Name: BC557B
Brand: Fairchild/ON Semiconductor
SKU: BC557B_111
Availability: InStock
Rating: 5 (157 reviews)

BC557B

For Reference Only

Part Number	BC557B
Manufacturer	Fairchild/ON Semiconductor
Description	TRANS PNP 45V 0.1A TO-92
Datasheet	BC557B Datasheet BC557B Specifications
Package	TO-226-3, TO-92-3 (TO-226AA)
ECAD
In Stock	775,680 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Jun 4 - Jun 9 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # BC557B (Transistors - Bipolar (BJT) - Single) is manufactured by Fairchild/ON Semiconductor and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For BC557B specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add BC557B with quantity into BOM. Heisener.com does NOT require any registration to request a quote of BC557B.

BC557B Specifications

Manufacturer	Fairchild/ON Semiconductor
Category	Discrete Semiconductor Products - Transistors - Bipolar (BJT) - Single
Package	TO-226-3, TO-92-3 (TO-226AA)
ECAD
Series	-
Transistor Type	PNP
Current - Collector (Ic) (Max)	100mA
Voltage - Collector Emitter Breakdown (Max)	45V
Vce Saturation (Max) @ Ib, Ic	650mV @ 5mA, 100mA
Current - Collector Cutoff (Max)	15nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	200 @ 2mA, 5V
Power - Max	500mW
Frequency - Transition	150MHz
Operating Temperature	150°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package	TO-92-3

BC557B Datasheet

BC557B Reviews

Hous*****Kakar

April 8, 2023

★ ★ ★ ★ ★

Fantastic transaction, very fast delivery. Highly recommended. Thank you.

Amari*****tractor

April 3, 2023

★ ★ ★ ★ ★

Great condition, super kind person, quick shipping! and great price too!

Kenne*****ndaram

March 14, 2023

★ ★ ★ ★ ★

Item sent as described. Showed up quickly. Worked as it said and would recommend again.

Sar*****Mejia

March 11, 2023

★ ★ ★ ★ ★

Awesome components selection and availability. Ordering process is easy. They don't spam me after the purchase.

Maev*****ight

March 5, 2023

★ ★ ★ ★ ★

I can get a patience and respect for each order. Thank you!

Lee*****erta

March 2, 2023

★ ★ ★ ★ ★

Well packaged and good condition with the parts, arrived on time, good customer service.

Lyla*****atri

March 1, 2023

★ ★ ★ ★ ★

Items arrived well pakaged, reasonable postage and as described. Top seller

Nicol*****hotra

February 27, 2023

★ ★ ★ ★ ★

They are components and they work. Wasn’t expecting anything more or anything less.

Ada***** Hill

February 24, 2023

★ ★ ★ ★ ★

Perfect, functional, arrived a weeks earlier, excellent Seller. Recommended

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

BC557B Packaging

BC557B FAQ

1. How to order BC557B on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that BC557B is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the BC557B. All suppliers must pass our qualification reviews before they can publish their products including BC557B on Heisener; we pay more attention to the channels and quality of BC557B products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the BC557B price and inventory displayed accurate?

The price and inventory of BC557B fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of BC557B?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the BC557B we delivered, we will accept the replacement or return of the BC557B only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of BC557B.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as BC557B pin diagram, BC557B datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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BC557B Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number	Manufacturer	Description	Stock
BC 557 B-BK D# E21:3489_06675324	Diotec Semiconductor AG	Trans GP BJT PNP 45V 0.1A 500mW 3-Pin TO-92 Box RoHS: Compliant	0
BC557B D# V99:2348_17557267	Diotec Semiconductor AG	Trans GP BJT PNP 45V 0.1A 500mW Automotive 3-Pin TO-92 Ammo RoHS: Compliant	0
BC557BZL1G D# VN5:3623_16963905	ON Semiconductor	Trans GP BJT PNP 45V 0.1A 625mW 3-Pin TO-92 Fan-Fold RoHS: Compliant	0
BC557BTA D# V72:2272_06297955	ON Semiconductor	Trans GP BJT PNP 45V 0.1A 500mW 3-Pin TO-92 Fan-Fold RoHS: Compliant	0
BC557BG D# VN5:3623_16272184	ON Semiconductor	Trans GP BJT PNP 45V 0.1A 625mW 3-Pin TO-92 Box RoHS: Compliant	0
BC557BRL1G D# VN5:3623_16967231	ON Semiconductor	Trans GP BJT PNP 45V 0.1A 625mW 3-Pin TO-92 T/R RoHS: Compliant	0
BC557BTF D# V36:1790_06297958	ON Semiconductor	Trans GP BJT PNP 45V 0.1A 500mW 3-Pin TO-92 T/R RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
BC557BRL1G D# BC557BRL1G	ON Semiconductor	Trans GP BJT PNP 45V 0.1A 3-Pin TO-92 T/R - Bulk (Alt: BC557BRL1G)	0
BC557BTA D# BC557BTA	ON Semiconductor	Trans GP BJT PNP 45V 0.1A 3-Pin TO-92 Ammo - Bulk (Alt: BC557BTA)	0
BC557BTF D# BC557BTF	ON Semiconductor	Trans GP BJT PNP 45V 0.1A 3-Pin TO-92 T/R - Bulk (Alt: BC557BTF)	0
BC557BZL1 D# BC557BZL1	ON Semiconductor	- Bulk (Alt: BC557BZL1) RoHS: Not Compliant	0
BC557BRL1 D# BC557BRL1	ON Semiconductor	- Bulk (Alt: BC557BRL1) RoHS: Not Compliant	0
BC557B D# BC557B	ON Semiconductor	Trans GP BJT PNP 45V 0.1A 3-Pin TO-92 Bulk - Bulk (Alt: BC557B) RoHS: Compliant	0
BC557BU D# BC557BU	Rochester Electronics LLC	Bipolar (BJT) Transistor PNP 45V 100mA 150MHz 500mW Through Hole TO-92-3 - Bulk (Alt: BC557BU) RoHS: Compliant	0
BC557BZL1G D# BC557BZL1G	ON Semiconductor	Trans GP BJT PNP 45V 0.1A 3-Pin TO-92 Tape and Ammo - Bulk (Alt: BC557BZL1G)	0
BC557BG D# BC557BG	ON Semiconductor	Trans GP BJT PNP 45V 0.1A 3-Pin TO-92 Bulk - Bulk (Alt: BC557BG)	0
BC557BX D# BC557BX	Rochester Electronics LLC	- Bulk (Alt: BC557BX)	0

Part Number

Manufacturer

Description

Stock

BC557BTA

D# BC557BTA

ON Semiconductor

Trans GP BJT PNP 45V 0.1A 3-Pin TO-92 Ammo (Alt: BC557BTA)

BC557BTF

D# BC557BTF

ON Semiconductor

Trans GP BJT PNP 45V 0.1A 3-Pin TO-92 T/R (Alt: BC557BTF)

Part Number

Manufacturer

Description

Stock

BC557BTF

D# BC557BTF

ON Semiconductor

Trans GP BJT PNP 45V 0.1A 3-Pin TO-92 T/R (Alt: BC557BTF)

BC557BTA

D# BC557BTA

ON Semiconductor

Trans GP BJT PNP 45V 0.1A 3-Pin TO-92 Ammo (Alt: BC557BTA)

Part Number

Manufacturer

Description

Stock

BC557BRL

Motorola Semiconductor Products

1500

BC557B

ON Semiconductor

4500

Part Number

Manufacturer

Description

Stock

BC557B

D# 12S5450

Continental Device India Ltd

Transistor BC557B

4907

Part Number	Manufacturer	Description	Stock
BC557B	Diotec Semiconductor AG	Transistor: PNP, bipolar, 45V, 100mA, 500mW, TO92	4130
BC557BU	Fairchild Semiconductor Corporation	N/A 100 mA, 45 V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-92 LEAD FREE, TO-92, 3 PIN	88536
BC557BZL1G	ON Semiconductor	Trans GP BJT PNP 45V 0.1A 3-Pin TO-92 Tape and Ammo	20000
BC557BTAR	Fairchild Semiconductor Corporation	TRANS PNP 45V 0.1A TO-92	0
BC557BTFR	Fairchild Semiconductor Corporation	N/A 100 mA, 45 V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-92 LEAD FREE, TO-92, 3 PIN	42000
BC557B_D11Z	Fairchild Semiconductor Corporation	TRANS PNP 45V 0.1A TO-92	0
BC557BG	ON Semiconductor	Trans GP BJT PNP 45V 0.1A 3-Pin TO-92 Bulk	10000
BC557BTA	Fairchild Semiconductor Corporation	TRANS GP BJT PNP 45V 0.1A 3PIN TO-92 AMMO - Ammo Pack	0
BC557BZL1	ON Semiconductor	Trans GP BJT PNP 45V 0.1A 3-Pin TO-92 Tape and Ammo	20000
BC557BRL1G	ON Semiconductor	TRANSISTOR, BIPOL, PNP, -45V, TO-92-3	0
BC557B_J18Z	Fairchild Semiconductor Corporation	TRANS PNP 45V 0.1A TO-92	0
BC557BTF	Fairchild Semiconductor Corporation	TRANS GP BJT PNP 45V 0.1A 3PIN TO-92 - Tape and Reel	0
BC557BBU	Fairchild Semiconductor Corporation	N/A 100 mA, 45 V, PNP, Si, SMALL SIGNAL TRANSISTOR, TO-92 LEAD FREE, TO-92, 3 PIN	2803
BC557B_J35Z	Fairchild Semiconductor Corporation	TRANS PNP 45V 0.1A TO-92	0

Part Number	Manufacturer	Description	Stock
BC557BRL1G	ON Semiconductor	Amplifier Transistors NPN Silicon	22
BC557B	LGE	TO-92 Transistors (NPN/PNP) RoHS	960
BC557-B	Foshan Blue Rocket Electronics Co Ltd	PNP 100mA 45V 625mW TO-92 Transistors (NPN/PNP) RoHS	3440

Part Number	Manufacturer	Description	Stock
BC557B	Diotec Semiconductor AG	Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, TO-92 RoHS: Compliant	0
BC557BTA	Fairchild Semiconductor Corporation	RoHS: Compliant	0
BC557BRL1G	ON Semiconductor	Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, TO-92 RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
BC557BBK D# 2796-BC557BBK-ND	Diotec Semiconductor AG	BJT TO-92BK 45V 100MA	5000
BC557BZL1G D# 2156-BC557BZL1G-ONTB-ND	Rochester Electronics LLC	TRANS PNP 45V 100MA TO92-3	54000
BC557BG D# 2156-BC557BG-ON-ND	Rochester Electronics LLC	TRANS PNP 45V 100MA TO92-3	43912
BC557BTAR D# BC557BTAR-ND	ON Semiconductor	TRANS PNP 45V 0.1A TO-92	0
BC557BU D# BC557BU-ND	ON Semiconductor	TRANS PNP 45V 0.1A TO-92	0
BC557BRL1G D# 2156-BC557BRL1G-ONTR-ND	Rochester Electronics LLC	TRANS PNP 45V 100MA TO92-3	122273
BC557BZL1 D# 2156-BC557BZL1-ONTB-ND	Rochester Electronics LLC	TRANS PNP 45V 100MA TO92-3	26000
BC557B_D11Z D# BC557B_D11Z-ND	ON Semiconductor	TRANS PNP 45V 0.1A TO-92	0
BC557BRL1 D# 2156-BC557BRL1-ONTR-ND	Rochester Electronics LLC	SMALL SIGNAL BIPOLAR TRANSISTOR	42000
BC557BTF D# BC557BTFCT-ND	ON Semiconductor	TRANS PNP 45V 100MA TO92-3	1554
BC557BBU D# 2156-BC557BBU-FS-ND	Rochester Electronics LLC	TRANS PNP 45V 100MA TO92-3	0
BC557BTA D# BC557BTACT-ND	ON Semiconductor	TRANS PNP 45V 100MA TO92-3	3408
BC557B_J18Z D# BC557B_J18Z-ND	ON Semiconductor	TRANS PNP 45V 0.1A TO-92	0
BC557BTFR D# BC557BTFR-ND	ON Semiconductor	TRANS PNP 45V 0.1A TO-92	0
BC557B D# 2156-BC557B-FS-ND	Rochester Electronics LLC	TRANS PNP 45V 100MA TO92-3	9312
BC557B_J35Z D# BC557B_J35Z-ND	ON Semiconductor	TRANS PNP 45V 0.1A TO-92	0

Part Number

Manufacturer

Description

Stock

BC557BRL1

D# BC557BRL1

ON Semiconductor

Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct

Part Number

Manufacturer

Description

Stock

BC557BG

ON Semiconductor

In stock shipping within 2days

836

BC557B

Philips Semiconductors

In stock shipping within 2days

1000

Part Number	Manufacturer	Description	Stock
BC557BTF D# 2453805	ON Semiconductor	TRANSISTOR, BIPOL, PNP, -45V, TO-92-3 RoHS: Compliant Min Qty: 5 Container: Cut Tape	310
BC557BTA D# 2453804RL	ON Semiconductor	TRANSISTOR, BIPOL, PNP, -45V, TO-92-3 RoHS: Compliant Min Qty: 5 Container: Reel	0
BC557B D# 1574384	SPC Multicomp	TRANSISTOR, PNP,45V, 100MA, TO-92 RoHS: Compliant Min Qty: 5 Container: Each	16817

Part Number	Manufacturer	Description	Stock
BC557B-AP	Micro Commercial Components	RoHS: Compliant pbFree: Yes	0
BC557BTA	ON Semiconductor	BC557 Series 45 V 100 mA Through Hole PNP Epitaxial Transistor - TO-92 RoHS: Compliant pbFree: Yes	6000
BC557BTF	ON Semiconductor	BC557 Series 45 V 100 mA Through Hole PNP Epitaxial Silicon Transistor - TO-92-3 RoHS: Compliant pbFree: Yes	0

Part Number	Manufacturer	Description	Stock
BC557BTE2T	TOSHIB	OEM/CM QUOTES ONLY \| NO BROKERS	142600
BC557BRA	Philips Semiconductors	OEM/CM QUOTES ONLY \| NO BROKERS	25300
BC557BRL1G	Rochester Electronics LLC	OEM/CM QUOTES ONLY \| NO BROKERS	142051
BC557BTA	Samsung Electronics Co. Ltd	OEM/CM QUOTES ONLY \| NO BROKERS	96600
BC557BTF	ON SEMICONDUCTOR	OEM/CM QUOTES ONLY \| NO BROKERS	20700
BC557B1004781	MAJOR 98+	OEM/CM QUOTES ONLY \| NO BROKERS	1387
BC557BZL1G	Rochester Electronics LLC	OEM/CM QUOTES ONLY \| NO BROKERS	62100
BC557BP	Zetex / Diodes Inc	OEM/CM QUOTES ONLY \| NO BROKERS	274
BC557BG	Rochester Electronics LLC	OEM/CM QUOTES ONLY \| NO BROKERS	59124
BC557B01		OEM/CM QUOTES ONLY \| NO BROKERS	2300
BC557BBAM	GENERAL	OEM/CM QUOTES ONLY \| NO BROKERS	4600
BC557BZL1	Rochester Electronics LLC	OEM/CM QUOTES ONLY \| NO BROKERS	29900
BC557B	HSMC	OEM/CM QUOTES ONLY \| NO BROKERS	270250
BC557BSB36890	ITT Interconnect Solutions	OEM/CM QUOTES ONLY \| NO BROKERS	23000
BC557BSB36890E7	GENERAL SEMICONDUCTOR	OEM/CM QUOTES ONLY \| NO BROKERS	2903
BC557B1004782	NATIONAL 98+	OEM/CM QUOTES ONLY \| NO BROKERS	41
BC557BPSTOA	Zetex Inc	OEM/CM QUOTES ONLY \| NO BROKERS	6900

Part Number	Manufacturer	Description	Stock
BC557BAMMOPHI	NXP Semiconductors	OEM/CM ONLY	502
BC557B412	NXP Semiconductors	OEM/CM ONLY	26799
BC557BPHI	NXP Semiconductors	OEM/CM ONLY	512
BC557B126NXPR	NXP Semiconductors	OEM/CM ONLY	524000
BC557BROHSBENTLEADDC08	NXP Semiconductors	OEM/CM ONLY	442
BC557BGURT	NXP Semiconductors	OEM/CM ONLY	209
BC557BAMMO2KDC00	NXP Semiconductors	OEM/CM ONLY	580
BC557BB126	NXP Semiconductors	OEM/CM ONLY	120
BC557BBULK	NXP Semiconductors	OEM/CM ONLY	350
BC557BAMMOTO92	NXP Semiconductors	OEM/CM ONLY	638
BC557BTAP	NXP Semiconductors	OEM/CM ONLY	852
BC557BAMMOPACK	NXP Semiconductors	OEM/CM ONLY	436
BC557BPHAMMO	NXP Semiconductors	OEM/CM ONLY	600
BC557BPSTOA	NXP Semiconductors	OEM/CM ONLY	6100
BC557BDC99	NXP Semiconductors	OEM/CM ONLY	568

Part Number

Manufacturer

Description

Stock

BC557B TO 92 TAPED

Fairchild Semiconductor Corporation

BC557B TO 92 taped/FAIRCHILD

RoHS: Compliant

20000

Part Number

Manufacturer

Description

Stock

BC557BRL1

ON Semiconductor

Small Signal Bipolar Transistor, 0.1A I(C), 45V V(BR)CEO, 1-Element, PNP, Silicon, TO-92

916

Part Number

Manufacturer

Description

Stock

BC557B

D# C713617

LGE

960

BC557-B

D# C358539

Foshan Blue Rocket Electronics Co Ltd

3440

Part Number

Manufacturer

Description

Stock

BC557B

Philips Semiconductors

in stock - can ship the same day

407

Part Number	Manufacturer	Description	Stock
BC557BTFR	Fairchild Semiconductor Corporation	OEM/CM Immediate delivery	42000
BC557B	CJT Changjiang Connectors Co Ltd	OEM/CM Immediate delivery	20000
BC557BTF	Fairchild Semiconductor Corporation	OEM/CM Immediate delivery	3235
BC557BBU	Fairchild Semiconductor Corporation	OEM/CM Immediate delivery	6915
BC557BU	Fairchild Semiconductor Corporation	OEM/CM Immediate delivery	50000
BC557BTA	Fairchild Semiconductor Corporation	OEM/CM Immediate delivery	4619

Part Number

Manufacturer

Description

Stock

BC557BTA

D# 512-BC557BTA

ON Semiconductor

Bipolar Transistors - BJT TO-92 PNP GP AMP

RoHS: Compliant

5823

BC557BTF

D# 512-BC557BTF

ON Semiconductor

Bipolar Transistors - BJT PNP Si Transistor Epitaxial

RoHS: Compliant

1639

Part Number

Manufacturer

Description

Stock

BC557BTA

D# XSFP00000072437

Fairchild Semiconductor Corporation

4000

BC557BSB36890E7

D# XSCRSN000003249

GENERAL SEMICONDUCTOR

2524

Part Number	Manufacturer	Description	Stock
BC557BTA D# 82C0506	ON Semiconductor	TRANSISTOR,BJT,PNP,45V V(BR)CEO,100MA I(C),TO-92 ROHS COMPLIANT: YES RoHS: Compliant Min Qty: 1 Container: Bulk	3366
BC557BTF D# 84H1745	ON Semiconductor	PNP, -45V/-0.1A,200-450 ROHS COMPLIANT: YES RoHS: Compliant Min Qty: 8000 Container: TAPE & REEL - FULL	0
BC557B D# 04X5933	SPC Multicomp	TRANS, PNP, 45V, 100MA, 150DEG C, 625MW, Transistor Polarity:PNP, Collector Emitter Voltage V(br)ceo:45V, DC Collector Current:100mA, Power Dissipation Pd:625mW, Transistor Mounting:Through Hole, No. of Pins:3Pins, Product Range:- RoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Bulk	19949
BC557BG D# 26K3442	ON Semiconductor	BIPOLAR TRANSISTOR, PNP, -45V TO-92, Transistor Polarity:PNP, Collector Emitter Voltage V(br)ceo:45V, DC Collector Current:-100mA, Power Dissipation Pd:625mW, Transistor Mounting:Through Hole, No. of Pins:3Pins, Product Range:- RoHS Compliant: Yes RoHS: Compliant Min Qty: 15000 Container: Bulk	0

Part Number	Manufacturer	Description	Stock
BC557B_J35Z D# NS-BC557B_J35Z	Fairchild Semiconductor Corporation	OEM/CM ONLY	3596
BC557BDB(CHIP) D# NS-BC557BDB(CHIP)	Zetex / Diodes Inc	OEM/CM ONLY	1848
BC557BZL1G D# NS-BC557BZL1G	ON Semiconductor	OEM/CM ONLY	8025
BC557BRL1G D# NS-BC557BRL1G	ON Semiconductor	OEM/CM ONLY	6031
BC557BG D# NS-BC557BG	ON Semiconductor	OEM/CM ONLY	3605
BC557BZL1 D# NS-BC557BZL1	ON Semiconductor	OEM/CM ONLY	7187
BC557BTR D# NS-BC557BTR	National Semiconductor Corporation	OEM/CM ONLY	2556
BC557BDC(CHIP) D# NS-BC557BDC(CHIP)	Zetex / Diodes Inc	OEM/CM ONLY	8830
BC557BTA D# NS-BC557BTA	PH2	OEM/CM ONLY	6981
BC557BTFR D# NS-BC557BTFR	Fairchild Semiconductor Corporation	OEM/CM ONLY	9944
BC557BD D# NS-BC557BD	Zetex / Diodes Inc	OEM/CM ONLY	1053
BC557B D# NS-BC557B	ON Semiconductor	OEM/CM ONLY	6447

Part Number	Manufacturer	Description	Stock
BC557B	ITT Interconnect Solutions	Bipolar Junction Transistor, PNP Type, TO-92	9300
BC557BRL	Motorola Semiconductor Products		1200
BC557B-T	--		11200

Part Number

Manufacturer

Description

Stock

BC557B

D# BC557B

Vishay Intertechnologies

Semiconductor

12000

BC557BRL1

D# BC557BRL1

Motorola Semiconductor Products

Semiconductor

1600

Part Number

Manufacturer

Description

Stock

BC557BTA

D# 7613505P

ON Semiconductor

ON Semi BC557BTA PNP Transistor, 100 mA, 45 V, 3-Pin TO-92, TA

Min Qty: 100

Container: Ammo Pack

4300

BC557BTF

D# 8031138

ON Semiconductor

ON Semi BC557BTF PNP Transistor, 100 mA, 45 V, 3-Pin TO-92, PK

Min Qty: 200

Container: Package

2400

Part Number	Manufacturer	Description	Stock
BC557BRL1G	ON Semiconductor	Small Signal Bipolar Transistor, 0.1A, 45V, PNP, TO-92 RoHS: Compliant	122273
BC557BZL1	ON Semiconductor	Small Signal Bipolar Transistor, 0.1A, 45V, PNP, TO-92 RoHS: Not Compliant	26000
BC557BRL1	ON Semiconductor	Small Signal Bipolar Transistor, 0.1A, 45V, PNP, TO-92 RoHS: Not Compliant	42000
BC557BTF	Fairchild Semiconductor Corporation	Small Signal Bipolar Transistor, 0.1A, 45V, PNP, TO-92 RoHS: Compliant	30934
BC557BTA	ON Semiconductor	Small Signal Bipolar Transistor, 0.1A, 45V, PNP, TO-92 RoHS: Compliant	10000
BC557B	Fairchild Semiconductor Corporation	Small Signal Bipolar Transistor, 0.1A, 45V, PNP, TO-92 RoHS: Compliant	9312
BC557BZL1G	ON Semiconductor	Small Signal Bipolar Transistor, 0.1A, 45V, PNP, TO-92 RoHS: Compliant	54000
BC557BG	ON Semiconductor	Small Signal Bipolar Transistor, 0.1A, 45V, PNP, TO-92 RoHS: Compliant	43912

Part Number	Manufacturer	Description	Stock
BC557BBK	Diotec Semiconductor AG	OEM/CM ONLY	5046
BC557BTE2T	Toshiba America Electronic Components	OEM/CM ONLY	124016
BC557BRL1G	ON Semiconductor	OEM/CM ONLY	20016
BC557B 1004782		OEM/CM ONLY	52
BC557BTF	Fairchild Semiconductor Corporation	OEM/CM ONLY	97029
BC557BP	Zetex / Diodes Inc	OEM/CM ONLY	254
BC557B/RA	Philips Semiconductors	OEM/CM ONLY	22016
BC557BZL1G	ON Semiconductor	OEM/CM ONLY	42016
BC557BG	ON Semiconductor	OEM/CM ONLY	15016
BC557B01		OEM/CM ONLY	2016
BC557B	Fairchild Semiconductor Corporation	OEM/CM ONLY	540067
BC557BBAM	GENERAL	OEM/CM ONLY	4016
BC557BZL1	ON Semiconductor	OEM/CM ONLY	5016
BC557BTA	Fairchild Semiconductor Corporation	OEM/CM ONLY	88016
BC557BSB36890	ITT Interconnect Solutions	OEM/CM ONLY	20016
BC557BSB36890E7	Vishay Semiconductors	OEM/CM ONLY	2540
BC557BPSTOA	Diodes Incorporated	OEM/CM ONLY	6016

Part Number	Manufacturer	Description	Stock
BC557BTFR	Fairchild Semiconductor Corporation	IN stock Immediate delivery	41985
BC557BTA	Fairchild Semiconductor Corporation	IN stock Immediate delivery	4634
BC557BTF	Fairchild Semiconductor Corporation	IN stock Immediate delivery	3250
BC557B	CJ	IN stock Immediate delivery	19985
BC557BBU	Fairchild Semiconductor Corporation	IN stock Immediate delivery	6930
BC557BU	Fairchild Semiconductor Corporation	IN stock Immediate delivery	49985

Part Number	Manufacturer	Description	Stock
BC557B	N/A	shipping today	104
BC557-B	KEC	shipping today	96
BC557BRL1G	ON Semiconductor	shipping today	3405
BC557BTA	Fairchild Semiconductor Corporation	shipping today	21996

Part Number	Manufacturer	Description	Stock
BC557BZL1G D# 35311688	ON Semiconductor	Trans GP BJT PNP 45V 0.1A 625mW 3-Pin TO-92 Fan-Fold RoHS: Compliant	0
BC557BG D# 35274556	ON Semiconductor	Trans GP BJT PNP 45V 0.1A 625mW 3-Pin TO-92 Box RoHS: Compliant	0
BC557BRL1G D# 35311127	ON Semiconductor	Trans GP BJT PNP 45V 0.1A 625mW 3-Pin TO-92 T/R RoHS: Compliant	0
BC557BTA D# 31266346	ON Semiconductor	Trans GP BJT PNP 45V 0.1A 500mW 3-Pin TO-92 Fan-Fold RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

BC557BRL1G

mfr

RFQ

750

BC557B

RFQ

9586

Part Number

Manufacturer

Description

Stock

BC557BRL1G

ON Semiconductor

Amplifier Transistors PNP Silicon

3400

Part Number	Manufacturer	Description	Stock
BC557BTA D# 2453804	ON Semiconductor	TRANSISTOR, BIPOL, PNP, -45V, TO-92-3 RoHS: Compliant Min Qty: 5 Container: Cut Tape	11890
BC557B D# 8734720	Nexperia	TRANSISTOR, PNP, SOT-54 RoHS: Compliant Min Qty: 5 Container: Each	0
BC557BZL1G D# 9558527	ON Semiconductor	TRANSISTOR, PNP, 45V, 0.1A, TO-92 RoHS: Compliant Min Qty: 5 Container: Each	0

Quick Inquiry

BC557B

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