Name: 2N4123
Brand: Central Semiconductor Corp
SKU: 2N4123
Availability: InStock
Rating: 5 (141 reviews)

2N4123

For Reference Only

Part Number	2N4123
Manufacturer	Central Semiconductor Corp
Description	THROUGH-HOLE TRANSISTOR-SMALL SI
Datasheet	2N4123 Specifications
Package	TO-226-3, TO-92-3 (TO-226AA)
ECAD
In Stock	788,400 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 29 - May 4 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # 2N4123 (Transistors - Bipolar (BJT) - Single) is manufactured by Central Semiconductor Corp 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 2N4123 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add 2N4123 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of 2N4123.

2N4123 Specifications

Manufacturer	Central Semiconductor Corp
Category	Discrete Semiconductor Products - Transistors - Bipolar (BJT) - Single
Package	TO-226-3, TO-92-3 (TO-226AA)
ECAD
Series	-
Transistor Type	NPN
Current - Collector (Ic) (Max)	200mA
Voltage - Collector Emitter Breakdown (Max)	30V
Vce Saturation (Max) @ Ib, Ic	300mV @ 5mA, 50mA
Current - Collector Cutoff (Max)	50nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	50 @ 2mA, 10V
Power - Max	1.5W
Frequency - Transition	250MHz
Operating Temperature	-65°C ~ 150°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-226-3, TO-92-3 (TO-226AA)
Supplier Device Package	TO-92

2N4123 Reviews

Cha*****osas

April 9, 2023

★ ★ ★ ★ ★

Good seller, incredible reliable.Item as described. Very professional

Bent*****athis

March 23, 2023

★ ★ ★ ★ ★

Used this on starter solenoid and works as expected.

Qui*****Mehan

March 18, 2023

★ ★ ★ ★ ★

Used it on my system it works perfect as I need.

Keag*****strada

March 16, 2023

★ ★ ★ ★ ★

Received Quickly. Excellent Communication. Capacitors Look Excellent.

Kim***** Ward

March 14, 2023

★ ★ ★ ★ ★

The pricing is great. This is the first time I use Heisener Electronics but I will recommend it to my business partners.

Marl*****Mays

March 11, 2023

★ ★ ★ ★ ★

Good service, and great value for money I am pleased with the item of 2N4123.

Elli*****rquez

February 25, 2023

★ ★ ★ ★ ★

Boundless range of products, ease of search and fast delivery continue to impress. Heisener is always my first stop for electronic components.

Vince*****obinson

February 20, 2023

★ ★ ★ ★ ★

All items individually packed in anti static bags and properly labeled.

Write a Review

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2N4123 Packaging

2N4123 FAQ

1. How to order 2N4123 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 2N4123 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 2N4123. All suppliers must pass our qualification reviews before they can publish their products including 2N4123 on Heisener; we pay more attention to the channels and quality of 2N4123 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 2N4123 price and inventory displayed accurate?

The price and inventory of 2N4123 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 2N4123?

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 2N4123 we delivered, we will accept the replacement or return of the 2N4123 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 2N4123.

(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 2N4123 pin diagram, 2N4123 datasheet?

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

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2N4123 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

33220C

D# V99:2348_15125852

Murata Power Solutions

Inductor Power Toroid 22uH 15% 3.4Q-Factor 5.1A 33mOhm DCR Pin Tray

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
33220C D# 33220C	Murata Manufacturing Co Ltd	Ind Power Toroid 22uH 15% 3.4Q-Factor 5.1A Pin Tray (Alt: 33220C) RoHS: Not Compliant	0
2N4123 D# 2N4123	Harris Semiconductor	- Bulk (Alt: 2N4123) RoHS: Not Compliant	0
2N4123RLRM D# 2N4123RLRM	ON Semiconductor	- Bulk (Alt: 2N4123RLRM) RoHS: Not Compliant	0
2N4123 TIN/LEAD D# 2N4123 TIN/LEAD	Central Semiconductor Corp	Transistor GP BJT NPN 30V 0.2A 3-Pin TO-92 Box - Boxed Product (Development Kits) (Alt: 2N4123 TIN/LEAD) RoHS: Not Compliant	0
2N4123 APM TIN/LEAD D# 2N4123 APM TIN/LEAD	Central Semiconductor Corp	Transistor GP BJT NPN 30V 0.2A 3-Pin TO-92 Ammo - Ammo Pack (Alt: 2N4123 APM TIN/LEAD) RoHS: Not Compliant	0
2N4123 TRE TIN/LEAD D# 2N4123 TRE TIN/LEAD	Central Semiconductor Corp	Transistor GP BJT NPN 30V 0.2A 3-Pin TO-92 T/R - Tape and Reel (Alt: 2N4123 TRE TIN/LEAD) RoHS: Not Compliant	0
2N4123 TRE PBFREE D# 2N4123 TRE PBFREE	Central Semiconductor Corp	Transistor GP BJT NPN 30V 0.2A 3-Pin TO-92 T/R - Tape and Reel (Alt: 2N4123 TRE PBFREE) RoHS: Compliant	0
2N4123 APM PBFREE D# 2N4123 APM PBFREE	Central Semiconductor Corp	Transistor GP BJT NPN 30V 0.2A 3-Pin TO-92 Ammo - Ammo Pack (Alt: 2N4123 APM PBFREE) RoHS: Compliant	0
2N4123 PBFREE D# 2N4123 PBFREE	Central Semiconductor Corp	Transistor GP BJT NPN 30V 0.2A 3-Pin TO-92 Box - Boxed Product (Development Kits) (Alt: 2N4123 PBFREE) RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

33220C

D# 33220C

Murata Manufacturing Co Ltd

Ind Power Toroid 22uH 15% 3.4Q-Factor 5.1A Pin Tray (Alt: 33220C)

Part Number

Manufacturer

Description

Stock

2N4123

New Jersey Semiconductor Products, Inc.

50106

2N4123BU

Fairchild Semiconductor Corporation

Part Number	Manufacturer	Description	Stock
RG2012N-4123-C-T5	Susumu Co Ltd	RES SMD 412K OHM 0.25% 1/8W 0805	2986
2N4123TAR	Fairchild Semiconductor Corporation	N/A 200 mA, 30 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92 LEAD FREE PACKAGE-3	34000
2N4123TFR	Fairchild Semiconductor Corporation	N/A 200 mA, 30 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92 LEAD FREE PACKAGE-3	13416
RG2012N-4123-B-T1	Susumu Co Ltd	RES SMD 412K OHM 0.1% 1/8W 0805	3096
RG2012N-4123-W-T1	Susumu Co Ltd	RES SMD 412K OHM 0.05% 1/8W 0805	0
33220C	Murata Power Solutions	INDUCTOR, 22UH, 15%5.1A TH TOROID	26
2N4123BU	Fairchild Semiconductor Corporation	TRANS NPN 30V 0.2A TO-92	0
2N4123TF	Fairchild Semiconductor Corporation	N/A 200 mA, 30 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92 LEAD FREE PACKAGE-3	13416
2N4123TA	Fairchild Semiconductor Corporation	N/A 200 mA, 30 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92 LEAD FREE PACKAGE-3	34000
2N4123RLRM	ON Semiconductor	N/A 200 mA, 30 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92 CASE 29-11, TO-226AA, 3 PIN	180331
RG2012N-4123-B-T5	Susumu Co Ltd	RES SMD 412K OHM 0.1% 1/8W 0805	0
RG2012N-4123-W-T5	Susumu Co Ltd	RES SMD 412K OHM 0.05% 1/8W 0805	0
RG2012N-4123-D-T5	Susumu Co Ltd	RES SMD 412K OHM 0.5% 1/8W 0805	0

Part Number	Manufacturer	Description	Stock
2N4123 PBFREE D# 1514-2N4123PBFREE-ND	Central Semiconductor Corp	THROUGH-HOLE TRANSISTOR-SMALL SI	0
2N4123TFR D# 2N4123TFR-ND	ON Semiconductor	TRANS NPN 30V 0.2A TO-92	0
RG2012N-4123-B-T1 D# RG2012N-4123-B-T1-ND	Susumu Co Ltd	RES SMD 412K OHM 0.1% 1/8W 0805	0
2N4123BU D# 2N4123-ND	ON Semiconductor	TRANS NPN 30V 0.2A TO-92	0
RG2012N-4123-W-T1 D# RG2012N-4123-W-T1-ND	Susumu Co Ltd	RES SMD 412K OHM 0.05% 1/8W 0805	0
RG2012N-4123-C-T5 D# RG2012N-4123-C-T5-ND	Susumu Co Ltd	RES SMD 412K OHM 0.25% 1/8W 0805	0
2N4123TA D# 2N4123TA-ND	ON Semiconductor	TRANS NPN 30V 0.2A TO-92	0
33220C D# 811-1233-ND	Murata Power Solutions	FIXED IND 22UH 5.1A 33 MOHM TH	10
2N4123TF D# 2N4123TF-ND	ON Semiconductor	TRANS NPN 30V 0.2A TO-92	0
2N4123 D# 2368-2N4123-ND	NTE Electronics Inc	T-NPN SI- GEN PUR AMP	7190
2N4123RLRM D# 2156-2N4123RLRM-ND	Rochester Electronics LLC	TRANS NPN 30V 200MA TO92-3	164821
RG2012N-4123-B-T5 D# RG2012N-4123-B-T5-ND	Susumu Co Ltd	RES SMD 412K OHM 0.1% 1/8W 0805	0
RG2012N-4123-W-T5 D# RG2012N-4123-W-T5-ND	Susumu Co Ltd	RES SMD 412K OHM 0.05% 1/8W 0805	0
2N4123TAR D# 2N4123TAR-ND	ON Semiconductor	TRANS NPN 30V 0.2A TO-92	0
RG2012N-4123-D-T5 D# RG2012N-4123-D-T5-ND	Susumu Co Ltd	RES SMD 412K OHM 0.5% 1/8W 0805	0

Part Number

Manufacturer

Description

Stock

33220C

Murata Manufacturing Co Ltd

In stock shipping within 2days

38625

Part Number

Manufacturer

Description

Stock

33220C

D# 2062801

Murata Power Solutions

INDUCTOR, 22UH, 15%5.1A TH TOROID

RoHS: Compliant

Min Qty: 1

Container: Each

Part Number	Manufacturer	Description	Stock
RG2012N-4123-B-T5	Susumu Co Ltd	RoHS: Compliant pbFree: Yes	0
RG2012N-4123-W-T5	Susumu Co Ltd	RoHS: Compliant pbFree: Yes	0
RG2012N-4123-D-T5	Susumu Co Ltd	RoHS: Compliant pbFree: Yes	0
RG2012N-4123-C-T5	Susumu Co Ltd	RoHS: Compliant pbFree: Yes	0
33220C	Murata Power Solutions	RoHS: Compliant pbFree: Yes	0
RG2012N-4123-W-T1	Susumu Co Ltd	RoHS: Compliant pbFree: Yes	0
2N4123-AP	Micro Commercial Components	RoHS: Compliant pbFree: Yes	0

Part Number	Manufacturer	Description	Stock
2N4123EBC	Motorola Semiconductor Products	OEM/CM QUOTES ONLY \| NO BROKERS	565
2N4123T	TAITRON COMPONENTS INC	OEM/CM QUOTES ONLY \| NO BROKERS	1520
M2N4123EBC1	Motorola Semiconductor Products	OEM/CM QUOTES ONLY \| NO BROKERS	1
2N4123AMMOCROWN	Motorola Semiconductor Products	OEM/CM QUOTES ONLY \| NO BROKERS	12656
2N4123BU	Fairchild Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	442
2N4123EQUIV	Motorola Semiconductor Products	OEM/CM QUOTES ONLY \| NO BROKERS	670
2N4123RLRM	Rochester Electronics LLC	OEM/CM QUOTES ONLY \| NO BROKERS	193039
2N4123EBCK	Motorola Semiconductor Products	OEM/CM QUOTES ONLY \| NO BROKERS	283
2N4123	General Electric Company	OEM/CM QUOTES ONLY \| NO BROKERS	216960

Part Number

Manufacturer

Description

Stock

2N4123

NTE Electronics Inc

Trans GP BJT NPN 40V 0.6A 3-Pin TO-92

RoHS: Compliant

6707

Part Number	Manufacturer	Description	Stock
2N4123TFR	Fairchild Semiconductor Corporation	OEM/CM Immediate delivery	12000
2N4123	Fairchild Semiconductor Corporation	OEM/CM Immediate delivery	7500
2N4123TA	Fairchild Semiconductor Corporation	OEM/CM Immediate delivery	6000
2N4123TAR	Fairchild Semiconductor Corporation	OEM/CM Immediate delivery	33900

Part Number

Manufacturer

Description

Stock

33220C

D# 580-33220C

Murata Manufacturing Co Ltd

Fixed Inductors 22uH 5.1A Vertical Mt Toroidal

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

2N4123

D# 98M5097

NTE Electronics Inc

TRANSISTOR, BIPOLAR, NPN, 40V, 600mA, TO-92-3, Transistor Polarity:NPN, Collector Emitter Voltage V(br)ceo:40V, DC Collector Current:600mA, Power Dissipation Pd:1.5W, Transistor Mounting:Through Hole, No. of Pins:3Pins RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Bulk

33220C

D# 12N4123

Murata Power Solutions

INDUCTOR, 22UH, 5.1A, 15%, 37MHZ, RADIAL LEADED, Product Range:3300 Series, Inductance:22µH, RMS Current (Irms):5.1A, DC Resistance Max:0.033ohm, Inductance Tolerance:± 15%, Case Dimensions:24mm x 16.3mm x 31mm, No. of Pins:4Pins RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 40

Container: Bulk

Part Number	Manufacturer	Description	Stock
RG2012N-4123-D-T5 D# NS-RG2012N-4123-D-T5	Susumu Co Ltd	OEM/CM ONLY	5465
RG2012N-4123-C-T5 D# NS-RG2012N-4123-C-T5	Susumu Co Ltd	OEM/CM ONLY	1379
RG2012N-4123-B-T1 D# NS-RG2012N-4123-B-T1	Susumu Co Ltd	OEM/CM ONLY	3729
2N4123BU D# NS-2N4123BU	Fairchild Semiconductor Corporation	OEM/CM ONLY	7187
2N4123 D# NS-2N4123	Microsemi-IPG	OEM/CM ONLY	6077
RG2012N-4123-W-T1 D# NS-RG2012N-4123-W-T1	Susumu Co Ltd	OEM/CM ONLY	3793
33220C D# NS-33220C	Murata Power Solutions	OEM/CM ONLY	6359
2N4123-D D# NS-2N4123-D	ON Semiconductor	OEM/CM ONLY	1447
2N4123TA D# NS-2N4123TA	Microsemi-IPG	OEM/CM ONLY	1741
2N4123RLRM D# NS-2N4123RLRM	ON Semiconductor	OEM/CM ONLY	2874
RG2012N-4123-B-T5 D# NS-RG2012N-4123-B-T5	Susumu Co Ltd	OEM/CM ONLY	3949
RG2012N-4123-W-T5 D# NS-RG2012N-4123-W-T5	Susumu Co Ltd	OEM/CM ONLY	6531

Part Number

Manufacturer

Description

Stock

2N4123

NTE Electronics Inc

Trans GP BJT NPN 40V 0.6A 3-Pin TO-92

RoHS: Compliant

6707

Part Number

Manufacturer

Description

Stock

2N4123BU

Fairchild Semiconductor Corporation

200 mA, 30 V, NPN, Si, SMALL SIGNAL TRANSISTOR, TO-92

2N4123

National Semiconductor Corporation

Bipolar Junction Transistor, NPN Type, TO-92

Part Number

Manufacturer

Description

Stock

2N4123

D# 2N4123

ROHM Semiconductor

Semiconductor

709

Part Number

Manufacturer

Description

Stock

2N4123

Harris Semiconductor

NPN EPITAXIAL SILICON TRANSISTOR

RoHS: Not Compliant

782

2N4123RLRM

ON Semiconductor

NPN EPITAXIAL SILICON TRANSISTOR

RoHS: Not Compliant

164821

Part Number

Manufacturer

Description

Stock

33220C

D# 000000000002649196

Murata Power Solutions

IND 22H, 5.1A TH TOROID

Part Number	Manufacturer	Description	Stock
2N4123RLRM	ON Semiconductor	OEM/CM ONLY	966
2N4123EBCK	Motorola Semiconductor Products	OEM/CM ONLY	266
2N4123EBC	Motorola Semiconductor Products	OEM/CM ONLY	516
2N4123 EQUIV	Motorola Semiconductor Products	OEM/CM ONLY	609
2N4123/AMMO/CROWN	Motorola Semiconductor Products	OEM/CM ONLY	11216
2N4123 T	TAITRON COMPONENTS INC	OEM/CM ONLY	1440
2N4123	Fairchild Semiconductor Corporation	OEM/CM ONLY	698583
33220C	Murata Manufacturing Co Ltd	OEM/CM ONLY	125
2N4123BU	Fairchild Semiconductor Corporation	OEM/CM ONLY	432

Part Number	Manufacturer	Description	Stock
2N4123	Fairchild Semiconductor Corporation	IN stock Immediate delivery	7515
2N4123TFR	Fairchild Semiconductor Corporation	IN stock Immediate delivery	12015
2N4123TA	Fairchild Semiconductor Corporation	IN stock Immediate delivery	6015
2N4123TAR	Fairchild Semiconductor Corporation	IN stock Immediate delivery	33885

Part Number

Manufacturer

Description

Stock

33220C

Murata Manufacturing Co Ltd

Fixed Inductors 22uH 5.1A Vertical Mt Toroidal

pbFree: Pb-Free

19418-0004

Molex

Automotive Connectors 4CKT RECPT 14-16AWG

pbFree: Pb-Free

Part Number

Manufacturer

Description

Stock

2N4123

D# 2028002626

Vishay Sprague

2N4123 SPRAGUE Transistor

7568

Part Number

Manufacturer

Description

Stock

2N4123

D# 51652241

NTE Electronics Inc

Trans GP BJT NPN 30V 0.2A 3-Pin TO-92

33220C

D# 25893590

Murata Manufacturing Co Ltd

Inductor Power Toroid 22uH 15% 3.4Q-Factor 5.1A 33mOhm DCR Pin Tray

Part Number

Manufacturer

Description

Stock

2N4123

U/K

RFQ

6375

Quick Inquiry

2N4123

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