Name: BU505
Brand: STMicroelectronics
SKU: BU505
Availability: InStock
Rating: 5 (132 reviews)

BU505

For Reference Only

Part Number	BU505
Manufacturer	STMicroelectronics
Description	TRANS NPN 700V 2.5A TO220
Datasheet	BU505 Datasheet BU505 Specifications
Package	TO-220-3
ECAD
In Stock	157,632 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	May 2 - May 7 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # BU505 (Transistors - Bipolar (BJT) - Single) is manufactured by STMicroelectronics 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 BU505 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add BU505 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of BU505.

BU505 Specifications

Manufacturer	STMicroelectronics
Category	Discrete Semiconductor Products - Transistors - Bipolar (BJT) - Single
Package	TO-220-3
ECAD
Series	-
Transistor Type	NPN
Current - Collector (Ic) (Max)	2.5A
Voltage - Collector Emitter Breakdown (Max)	700V
Vce Saturation (Max) @ Ib, Ic	1V @ 900mA, 2A
Current - Collector Cutoff (Max)	150µA
DC Current Gain (hFE) (Min) @ Ic, Vce	-
Power - Max	75W
Frequency - Transition	-
Operating Temperature	150°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-220-3
Supplier Device Package	TO-220

BU505 Datasheet

BU505 Reviews

Sull***** Myers

April 5, 2023

★ ★ ★ ★ ★

Can't speak to the long term reliability as of yet, but they seem to be of decent quality and I don't expect any issues.

Nan*****Sant

April 3, 2023

★ ★ ★ ★ ★

Heisener is awesome! Never any issues whatsoever. Product selection is good and delivery is on time.

Trist*****mstrong

April 1, 2023

★ ★ ★ ★ ★

Excellent service over extended period of time. Incredibly fast shipping, never any errors. Couldn't be more pleased.

Mag***** Kaur

March 2, 2023

★ ★ ★ ★ ★

I recently became very interested in electronics and I have used several of them. They work great.

Dana*****kins

February 24, 2023

★ ★ ★ ★ ★

Awesome buying experience, smooth transmission with the seller, and fast delivery.

Write a Review

★★★★★

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Thanks for Your Review!

BU505 Packaging

BU505 FAQ

1. How to order BU505 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 BU505 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the BU505. All suppliers must pass our qualification reviews before they can publish their products including BU505 on Heisener; we pay more attention to the channels and quality of BU505 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the BU505 price and inventory displayed accurate?

The price and inventory of BU505 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 BU505?

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 BU505 we delivered, we will accept the replacement or return of the BU505 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 BU505.

(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 BU505 pin diagram, BU505 datasheet?

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

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BU505 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
BU-5050-B-60-0 D# 70547026	Mueller Electric Company	Black BNC Male on Both Ends, 60" RG58 Coax RoHS: Not Compliant	0
BU-5050-B-24-0 D# 70188537	Mueller Electric Company	Cable BNC Male X2 Rg-58C/U Coaxial Cbl 24" Shld Black BU Series RoHS: Not Compliant	39
BU-5050-B-12-0 D# 70188536	Mueller Electric Company	Cable BNC Male X2 Rg-58C/U Coaxial Cbl 12" Shld Black BU Series RoHS: Not Compliant	4
BU 505 D# 71491293	Steel City	Non-Metallic Insulated Bushing, 1.5", for use with Rigid/IMC Conduit RoHS: Not Compliant	0
BU-5050-B-36-0 D# 70188538	Mueller Electric Company	Cable BNC Male X2 Rg-58C/U Coaxial Cbl 36" Shld Black BU Series RoHS: Not Compliant	23
BU-5050-B-48-0 D# 70547025	Mueller Electric Company	Black BNC Male on Both Ends, 48" RG58 Coax RoHS: Not Compliant	0

Part Number	Manufacturer	Description	Stock
BU-5050-B-36-0 D# V99:2348_17070281	Mueller Electric Company	Test Leads - BNC Cable	0
BU-5050-B-48-0 D# V99:2348_17070283	Mueller Electric Company	Test Leads - BNC Cable	0
BU-5050-B-60-0 D# V99:2348_17070285	Mueller Electric Company	Test Leads - BNC Cable	0
BU-5050-B-24-0 D# V99:2348_17070279	Mueller Electric Company	Test Leads - BNC Cable	0
BU-5050-B-12-0 D# V99:2348_17070278	Mueller Electric Company	Test Leads - BNC Cable	0

Part Number	Manufacturer	Description	Stock
XPLAWT-H0-0000-000BU5051 D# XPLAWT-H0-0000-000BU5051	Cree, Inc.	XLAMP XP-L LIGHT EMITTING DIODE WHITE - Tape and Reel (Alt: XPLAWT-H0-0000-000BU5051) RoHS: Compliant	0
XPLAWT-H0-0000-000BU5053 D# XPLAWT-H0-0000-000BU5053	Cree, Inc.	XLAMP XP-L LIGHT EMITTING DIODE WHITE - Tape and Reel (Alt: XPLAWT-H0-0000-000BU5053) RoHS: Compliant	0
XPLAWT-H0-0000-000BU5050 D# XPLAWT-H0-0000-000BU5050	Cree, Inc.	XLAMP XP-L LIGHT EMITTING DIODE WHITE - Tape and Reel (Alt: XPLAWT-H0-0000-000BU5050) RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
BU-5050-B-36-0	Mueller Electric Company	CABLE BNC MALE/MALE 36" BLACK	70
BU-5050-B-12-0	Mueller Electric Company	CABLE BNC MALE/MALE 12" BLACK	16
BU-5050-B-60-0	Mueller Electric Company	CABLE BNC MALE/MALE 60" BLACK	7
BU-5050-B-48-0	Mueller Electric Company	CABLE, COAXIAL, RG58C/U, 1.2M, BLACK, Impedance:50ohm, Cable Length - Imperial:48", Cable Length - Metric:1.2m, Connector Type A:BNC Straight Plug, Connector Type B:BNC Straight Plug, Jacket Colour:Black , RoHS Compliant: NA	0
BU-5050-B-24-0	Mueller Electric Company	CABLE BNC MALE/MALE 24" BLACK	54
BU505	Thomas & Betts	Fittings Bushing 1.5inch Non Metallic	0

Part Number	Manufacturer	Description	Stock
XPLAWT-H0-0000-000BU5050 D# XPLAWT-H0-0000-000BU5050-ND	Cree, Inc.	LED XLAMP XP-L 6200K WHITE SMD	0
XPLAWT-H0-0000-000BU5051 D# XPLAWT-H0-0000-000BU5051-ND	Cree, Inc.	LED XLAMP XP-L 6200K WHITE SMD	0
BU-5050-B-60-0 D# 314-1147-ND	Mueller Electric Company	CBL ASSY BNC PLUG-PLUG RG58C 5'	5
BU-5050-B-12-0 D# 314-1144-ND	Mueller Electric Company	CBL ASSY BNC PLUG RG58C 12"	13
BU-5050-B-24-0 D# 314-1145-ND	Mueller Electric Company	CBL ASSY BNC PLUG RG58C 24"	25
BU-5050-B-48-0 D# BU-5050-B-48-0-ND	Mueller Electric Company	CBL ASSY BNC PLUG-PLUG RG58C 4'	0
BU505 D# BU505-ND	STMicroelectronics	TRANS NPN 700V 2.5A TO220	0
BU-5050-B-36-0 D# 314-1146-ND	Mueller Electric Company	CBL ASSY BNC PLUG RG58C 36"	10
XPLAWT-H0-0000-000BU5053 D# XPLAWT-H0-0000-000BU5053-ND	Cree, Inc.	LED XLAMP XP-L 6000K WHITE SMD	0

Part Number

Manufacturer

Description

Stock

BU505

Philips Semiconductors

In stock shipping within 2days

12260

Part Number	Manufacturer	Description	Stock
BU-5050-B-24-0 D# 3228890	Mueller Electric Company	RF CABLE ASSY, BNC PLUG-PLUG, 609.6MM RoHS: Compliant Min Qty: 1 Container: Each	11
BU505 D# 1084459	STMicroelectronics	TRANSISTOR, NPN, 1500V, TO-220 RoHS: Compliant Min Qty: 1 Container: Each	0
BU-5050-B-36-0 D# 3228891	Mueller Electric Company	RF CABLE ASSY, BNC PLUG-PLUG, 914.4MM RoHS: Compliant Min Qty: 1 Container: Each	8

Part Number	Manufacturer	Description	Stock
BU5050B240	MUELLER ELECTRIC CO	OEM/CM QUOTES ONLY \| NO BROKERS	35
BU505DF	New Jersey Semiconductor Products Inc	OEM/CM QUOTES ONLY \| NO BROKERS	6166
BU5050B60BLK	MUELLER ELECTRIC	OEM/CM QUOTES ONLY \| NO BROKERS	3
BU505	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	8510
BU505D	New Jersey Semiconductor Products Inc	OEM/CM QUOTES ONLY \| NO BROKERS	5764
BU5050B360	MUELLER ELECTRIC CO	OEM/CM QUOTES ONLY \| NO BROKERS	140
BU5050B600	MUELLER ELECTRIC CO	OEM/CM QUOTES ONLY \| NO BROKERS	6
BU5050B120	MUELLER ELECTRIC CO	OEM/CM QUOTES ONLY \| NO BROKERS	39
TVBU505	ARLINGTON	OEM/CM QUOTES ONLY \| NO BROKERS	1
BU505F	Inchange Semiconductor Company Ltd	OEM/CM QUOTES ONLY \| NO BROKERS	24150

Part Number	Manufacturer	Description	Stock
BU505	NXP Semiconductors	OEM/CM ONLY	293
BU505D	NXP Semiconductors	OEM/CM ONLY	565
BU505127	NXP Semiconductors	OEM/CM ONLY	680
BU505DF127	NXP Semiconductors	OEM/CM ONLY	867
BU505D127	NXP Semiconductors	OEM/CM ONLY	264
BU505DF	NXP Semiconductors	OEM/CM ONLY	215

Part Number	Manufacturer	Description	Stock
BU-5050-B-60-0	Mueller Electric Company	Black BNC Male on Both Ends, 60 RG58 Coax RoHS: Not Compliant	3
BU-5050-B-60-BLK	Mueller Electric Company	Cable Assembly Coaxial 1.5m BNC to BNC PL-PL RoHS: Not Compliant	3
BU-5050-B-36-0	Mueller Electric Company	Black BNC Male on Both Ends, 36 RG58 Coax RoHS: Not Compliant	35

Part Number

Manufacturer

Description

Stock

BU505

STMicroelectronics

OEM/CM Immediate delivery

12000

Part Number	Manufacturer	Description	Stock
BU-5050-B-36-0 D# 548-BU-5050-B-36-0	Mueller Electric Company	Test Leads Black BNC Male on Both Ends, 36" RG58 Coax RoHS: Compliant	47
BU-5050-B-48-0 D# 548-BU-5050-B-48-0	Mueller Electric Company	RF Cable Assemblies Black BNC Male on Both Ends, 48" RG58 Coax RoHS: Compliant	1
BU-5050-B-60-0 D# 548-BU-5050-B-60-0	Mueller Electric Company	RF Cable Assemblies Black BNC Male on Both Ends, 60" RG58 Coax RoHS: Compliant	6
BU-5050-B-24-0 D# 548-BU-5050-B-24-0	Mueller Electric Company	RF Cable Assemblies Black BNC Male on Both Ends, 24" RG58 Coax RoHS: Compliant	29
BU-5050-B-12-0 D# 548-BU-5050-B-12-0	Mueller Electric Company	RF Cable Assemblies Black BNC Male on Both Ends, 12" RG58 Coax RoHS: Compliant	9

Part Number	Manufacturer	Description	Stock
BU-5050-B-60-0 D# 16F3544	Mueller Electric Company	COAXIAL CABLE, RG-58C/U, 60IN, BLACK, Connector Type A:BNC Straight Plug, Connector Type B:BNC Straight Plug, Coaxial Cable Type:RG58C, Impedance:50ohm, Cable Length - Imperial:5ft, Cable Length - Metric:1.5m, Jacket Color:Black RoHS Compliant: NA RoHS: Not Compliant Min Qty: 1 Container: Bulk	0
BU-5050-B-24-0 D# 89F471	Mueller Electric Company	COAXIAL CABLE, RG-58C/U, 24IN, BLACK, Connector Type A:BNC Straight Plug, Connector Type B:BNC Straight Plug, Coaxial Cable Type:RG58C, Impedance:50ohm, Cable Length - Imperial:2ft, Cable Length - Metric:0.61m, Jacket Color:Black RoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Bulk	26
BU-5050-B-12-0 D# 89F470	Mueller Electric Company	COAXIAL CABLE, RG-58C/U, 12IN, BLACK, Connector Type A:BNC Straight Plug, Connector Type B:BNC Straight Plug, Coaxial Cable Type:RG58C, Impedance:50ohm, Cable Length - Imperial:1ft, Cable Length - Metric:305mm, Jacket Color:Black RoHS Compliant: NA RoHS: Not Compliant Min Qty: 1 Container: Bulk	0
BU 505 D# 73H9382	Thomas & Betts	1 1/2 IN BUSHING RGD/IMC NM INSUL RoHS: Not Compliant Min Qty: 25 Container: Bulk	0
BU-5050-B-36-0 D# 34AH0360	Mueller Electric Company	RF CABLE ASSY, BNC PLUG-PLUG, 914.4MM ROHS COMPLIANT: YES RoHS: Compliant Min Qty: 1 Container: Bulk	6
BU-5050-B-48-0 D# 37B8804	Mueller Electric Company	CABLE, COAXIAL, RG58C/U, 1.2M, BLACK, Connector Type A:BNC Straight Plug, Connector Type B:BNC Straight Plug, Coaxial Cable Type:RG58C, Impedance:50ohm, Cable Length - Imperial:4ft, Cable Length - Metric:1.2m, Jacket Color:Black RoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Bulk	0

Part Number	Manufacturer	Description	Stock
BU-5050-B-36-0 D# NS-BU-5050-B-36-0	Mueller Electric Co	OEM/CM ONLY	1186
BU-5050-B-12-0 D# NS-BU-5050-B-12-0	Mueller Electric Co	OEM/CM ONLY	4252
BU-5050-B-60-0 D# NS-BU-5050-B-60-0	Mueller Electric Co	OEM/CM ONLY	2551
BU-5050-B-24-0 D# NS-BU-5050-B-24-0	Mueller Electric Co	OEM/CM ONLY	7203
BU-5050-B-60-BLK D# NS-BU-5050-B-60-BLK	MUELLER ELECTRIC	OEM/CM ONLY	3928

Part Number	Manufacturer	Description	Stock
BU-5050-B-60-0	Mueller Electric Company	Black BNC Male on Both Ends, 60 RG58 Coax RoHS: Not Compliant	3
BU-5050-B-36-0	Mueller Electric Company	Black BNC Male on Both Ends, 36 RG58 Coax RoHS: Not Compliant	35
BU-5050-B-60-BLK	Mueller Electric Company	Cable Assembly Coaxial 1.5m BNC to BNC PL-PL RoHS: Not Compliant	3

Part Number

Manufacturer

Description

Stock

BU-5050-B-36-0

Mueller Electric Company

Black BNC Male on Both

100

Part Number

Manufacturer

Description

Stock

BU505

D# BU505

STMicroelectronics

Semiconductor

400

Part Number

Manufacturer

Description

Stock

BU505

D# 000000000000535532

Thomas & Betts

Fittings Bushing 1.5in Non Metallic

Part Number	Manufacturer	Description	Stock
BU505F	Philips Semiconductors	OEM/CM ONLY	25217
BU505DF	Philips Semiconductors	OEM/CM ONLY	9378
BU5050B60BLK	Mueller Electric Company	OEM/CM ONLY	98
BU505D	Philips Semiconductors	OEM/CM ONLY	9064
BU505	STMicroelectronics	OEM/CM ONLY	16768
BU5050B600	Mueller Electric Company	OEM/CM ONLY	100
BU5050B120	Mueller Electric Company	OEM/CM ONLY	108
TVBU505	Arlington Industries Inc	OEM/CM ONLY	96

Part Number

Manufacturer

Description

Stock

BU505

STMicroelectronics

IN stock Immediate delivery

12015

Part Number

Manufacturer

Description

Stock

BU505

ISC

shipping today

126

Part Number	Manufacturer	Description	Stock
BU-5050-B-24-0 D# 30646237	Mueller Electric Company	Test Leads - BNC Cable	0
BU-5050-B-12-0 D# 25622601	Mueller Electric Company	Test Leads - BNC Cable	0
BU-5050-B-36-0 D# 25622603	Mueller Electric Company	Test Leads - BNC Cable	0
BU-5050-B-60-0 D# 25622605	Mueller Electric Company	Test Leads - BNC Cable	0

Part Number	Manufacturer	Description	Stock
BU505F	Philips Semiconductors	RFQ	468
BU505DF	Philips Semiconductors	RFQ	4552
BU505	STMicroelectronics	RFQ	14383
BU505D	NXP Semiconductors	RFQ	8948

Part Number	Manufacturer	Description	Stock
BU-5050-B-24-0 D# 3228890	Mueller Electric Company	RF CABLE ASSY, BNC PLUG-PLUG, 609.6MM RoHS: Compliant Min Qty: 1 Container: Each	11
BU505 D# 1084459	STMicroelectronics	TRANSISTOR, NPN, 1500V, TO-220 RoHS: Compliant Min Qty: 1 Container: Each	0
BU-5050-B-36-0 D# 3228891	Mueller Electric Company	RF CABLE ASSY, BNC PLUG-PLUG, 914.4MM RoHS: Compliant Min Qty: 1 Container: Each	8

Quick Inquiry

BU505

Certified Quality

Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.

ISO9001:2015, ICAS, IAF, UKAS