Name: TIP121
Brand: ON Semiconductor
SKU: TIP121_1D8
Availability: InStock
Rating: 5 (166 reviews)

TIP121

For Reference Only

Part Number	TIP121
Manufacturer	ON Semiconductor
Description	TRANS NPN DARL 80V 5A TO220AB
Datasheet	TIP121 Specifications
Package	TO-220-3
ECAD
In Stock	1,182,516 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 22 - Apr 27 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # TIP121 (Transistors - Bipolar (BJT) - Single) is manufactured by 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 TIP121 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add TIP121 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of TIP121.

TIP121 Specifications

Manufacturer	ON Semiconductor
Category	Discrete Semiconductor Products - Transistors - Bipolar (BJT) - Single
Package	TO-220-3
ECAD
Series	-
Transistor Type	NPN - Darlington
Current - Collector (Ic) (Max)	5A
Voltage - Collector Emitter Breakdown (Max)	80V
Vce Saturation (Max) @ Ib, Ic	4V @ 20mA, 5A
Current - Collector Cutoff (Max)	500µA
DC Current Gain (hFE) (Min) @ Ic, Vce	1000 @ 3A, 3V
Power - Max	2W
Frequency - Transition	-
Operating Temperature	-65°C ~ 150°C (TJ)
Mounting Type	Through Hole
Package / Case	TO-220-3
Supplier Device Package	TO-220AB

TIP121 Reviews

Aval*****Bruce

March 31, 2023

★ ★ ★ ★ ★

The best choice, clear and easy to make an order. Gives me full control.

Eri*****Bahri

March 28, 2023

★ ★ ★ ★ ★

Works great with an older drive in a newer computer.have not encountered any problems, Glad somebody is making these for all the older equipment.

Sari*****onway

March 18, 2023

★ ★ ★ ★ ★

Very good contact, well packed, hope to buy from you again.

Add*****n Das

March 5, 2023

★ ★ ★ ★ ★

Very good, fast shipping, super reliable seller.

Write a Review

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TIP121 Packaging

TIP121 FAQ

1. How to order TIP121 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 TIP121 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the TIP121. All suppliers must pass our qualification reviews before they can publish their products including TIP121 on Heisener; we pay more attention to the channels and quality of TIP121 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the TIP121 price and inventory displayed accurate?

The price and inventory of TIP121 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 TIP121?

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 TIP121 we delivered, we will accept the replacement or return of the TIP121 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 TIP121.

(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 TIP121 pin diagram, TIP121 datasheet?

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

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TIP121 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
TIP121G D# V36:1790_07309957	ON Semiconductor	Trans Darlington NPN 80V 5A 2000mW 3-Pin(3+Tab) TO-220AB Tube	0
TIP121TU D# V99:2348_06305984	ON Semiconductor	Trans Darlington NPN 80V 5A 2000mW 3-Pin(3+Tab) TO-220 Tube	0
TIP121 D# E02:0323_00213191	STMicroelectronics	Trans Darlington NPN 80V 5A 2000mW 3-Pin(3+Tab) TO-220AB Tube	0

Part Number	Manufacturer	Description	Stock
TIP121G D# TIP121G	ON Semiconductor	Transistor Darlington NPN 80V 5A 3-Pin TO-220AB Rail - Bulk (Alt: TIP121G) RoHS: Compliant	0
TIP121TU D# TIP121TU	ON Semiconductor	Transistor Darlington NPN 80V 5A 3-Pin TO-220AB Rail - Rail/Tube (Alt: TIP121TU) RoHS: Compliant	0
TIP121 D# TIP121	ON Semiconductor	Transistor Darlington NPN 80V 5A 3-Pin TO-220AB Bulk - Bulk (Alt: TIP121) RoHS: Not Compliant	0

Part Number

Manufacturer

Description

Stock

TIP121G

D# TIP121G

ON Semiconductor

Transistor Darlington NPN 80V 5A 3-Pin TO-220AB Rail (Alt: TIP121G)

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
TIP121TU D# TIP121TU	ON Semiconductor	Transistor Darlington NPN 80V 5A 3-Pin TO-220AB Rail (Alt: TIP121TU) RoHS: Compliant	0
TIP121G D# TIP121G	ON Semiconductor	Transistor Darlington NPN 80V 5A 3-Pin TO-220AB Rail (Alt: TIP121G) RoHS: Compliant	0
TIP121 D# TIP121	STMicroelectronics	Transistor Darlington NPN 80V 5A 3-Pin TO-220 Tube (Alt: TIP121)	0

Part Number	Manufacturer	Description	Stock
NL145TIP121	Motorola Semiconductor Products		28
TIP121	Motorola Semiconductor Products		1650
TIP121G	ON Semiconductor		150

Part Number

Manufacturer

Description

Stock

TIP121

D# 25S3350

STMicroelectronics

Trans Darlington NPN 80V 5A 20

180

Part Number	Manufacturer	Description	Stock
TIP121TU	Fairchild Semiconductor Corporation	TRANS DARLINGTON NPN 80V 5A 3PIN TO-220 - Rail/Tube	0
TIP121G	ON Semiconductor	BIP T0220 NPN 5A 80V - Rail/Tube	3450
TIP121	STMicroelectronics	Min Qty 550	11300

Part Number

Manufacturer

Description

Stock

TIP121

Motorola Semiconductor Products

Power Bipolar Transistor, 5A I(C), 80V V(BR)CEO, 1-Element, NPN, Silicon, TO-220AB, Plastic/Epoxy, 3 Pin

RoHS: Not Compliant

Part Number	Manufacturer	Description	Stock
TIP121G D# TIP121GOS-ND	ON Semiconductor	TRANS NPN DARL 80V 5A TO220AB	1850
TIP121 D# 2156-TIP121-ND	Rochester Electronics LLC	POWER BIPOLAR TRANSISTOR	3975
TIP121TU D# TIP121TU-ND	ON Semiconductor	TRANS NPN DARL 80V 5A TO220-3	2469

Part Number

Manufacturer

Description

Stock

TIP121G

D# TIP121G

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

150

Part Number

Manufacturer

Description

Stock

TIP121TU

ON Semiconductor

In stock shipping within 2days

1000

TIP121

Texas Instruments

In stock shipping within 2days

14260

Part Number	Manufacturer	Description	Stock
TIP121 D# 9294228	SPC Multicomp	DARLINGTON TRANSISTOR, TO-220 RoHS: Compliant Min Qty: 1 Container: Each	4109
TIP121TU D# 3615702	ON Semiconductor	BIPOLAR TRANSISTOR RoHS: Not Compliant Min Qty: 1000 Container: Tube	0
TIP121G D# 2535660	ON Semiconductor	TRANSISTOR, BIPOL, NPN, 80V, TO-220-3 RoHS: Compliant Min Qty: 1 Container: Each	975

Part Number	Manufacturer	Description	Stock
TIP121	STMicroelectronics	TIP121 Series 80 V 5 A NPN Complementary Power Darlington Transistor TO-220-3 RoHS: Compliant pbFree: Yes	19000
TIP121TU	ON Semiconductor	TIP Series NPN 2 W 80 V 5 A Epitaxial Darlington Transistor - TO-220-3 RoHS: Compliant pbFree: Yes	0
TIP121G	ON Semiconductor	TIP Series 80 V 5 A NPN Medium Power Darlington Silicon Transistor - TO-220AB RoHS: Compliant pbFree: Yes	0

Part Number	Manufacturer	Description	Stock
TIP121TU	ON SEMICONDUCTOR	OEM/CM QUOTES ONLY \| NO BROKERS	2939
TIP121	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	101665
NL145TIP121		OEM/CM QUOTES ONLY \| NO BROKERS	34
TIP121B	*	OEM/CM QUOTES ONLY \| NO BROKERS	48
TIP121HSE	General Electric Company	OEM/CM QUOTES ONLY \| NO BROKERS	4
TIP121D	SGS Semiconductor Ltd	OEM/CM QUOTES ONLY \| NO BROKERS	60
TIP121BCE	National Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	1
TIP121G	ON Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	2305
TIP121S	Bourns Inc	OEM/CM QUOTES ONLY \| NO BROKERS	1190
TIP121EQV	RCA	OEM/CM QUOTES ONLY \| NO BROKERS	2
TIP121H	RCA	OEM/CM QUOTES ONLY \| NO BROKERS	1
WO6031TIP121	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	42

Part Number

Manufacturer

Description

Stock

TIP121G

ON Semiconductor

In stock

150

TIP121

ST Microwave Corporation

In stock

Part Number

Manufacturer

Description

Stock

TIP121

Texas Instruments

in stock - can ship the same day

5246

Part Number

Manufacturer

Description

Stock

TIP121

Fairchild Semiconductor Corporation

OEM/CM Immediate delivery

36530

Part Number	Manufacturer	Description	Stock
TIP121G D# 863-TIP121G	ON Semiconductor	Darlington Transistors 5A 80V Bipolar Power NPN RoHS: Compliant	4208
TIP121TU D# 512-TIP121TU	ON Semiconductor	Darlington Transistors NPN Epitaxial Darl RoHS: Compliant	3148
TIP121 D# 511-TIP121	STMicroelectronics	Darlington Transistors NPN Power Darlington RoHS: Compliant	2667

Part Number

Manufacturer

Description

Stock

TIP121

D# XSFT00000004508

STMicroelectronics

TIP121 Series 80 V 5 A NPN Complementary Power Darlington Transistor TO-220-3

4350

Part Number	Manufacturer	Description	Stock
TIP121G. D# 28AC3886	ON Semiconductor	Transistor Polarity:NPN, Collector Emitter Voltage V(br)ceo:80V, DC Collector Current:5A, Power Dissipation Pd:65W, Transistor Mounting:Through Hole, No. of Pins:3Pins, Transition Frequency ft:-, DC Current Gain hFE:1000hFE, MSL:- RoHS Compliant: Yes RoHS: Compliant Min Qty: 50 Container: Bulk	2134
TIP121. D# 28AC3885	STMicroelectronics	Transistor Polarity:NPN, Collector Emitter Voltage V(br)ceo:80V, DC Collector Current:5A, Power Dissipation Pd:65W, Transistor Mounting:Through Hole, No. of Pins:3Pins, Transition Frequency ft:-, DC Current Gain hFE:1000hFE, MSL:- RoHS Compliant: Yes RoHS: Compliant Min Qty: 1000 Container: Bulk	650
TIP121 D# 78M7067	SPC Multicomp	BIPOLAR TRANSISTOR, NPN, 80V, Transistor Polarity:NPN, Collector Emitter Voltage V(br)ceo:80V, Transition Frequency ft:-, Power Dissipation Pd:65W, DC Collector Current:5A, DC Current Gain hFE:1000hFE, No. of Pins:3Pins, MSL:- RoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Bulk	4109

Part Number

Manufacturer

Description

Stock

TIP121G

D# NS-TIP121G

ON Semiconductor

OEM/CM ONLY

2535

TIP121

D# NS-TIP121

STMicroelectronics

OEM/CM ONLY

2856

Part Number

Manufacturer

Description

Stock

TIP121

Motorola Semiconductor Products

Bipolar Junction Transistor, Darlington, NPN Type, TO-220AB

1008

Part Number

Manufacturer

Description

Stock

TIP121

D# TIP121

Panasonic Electronic Components

Semiconductor

154

Part Number

Manufacturer

Description

Stock

TIP121G

D# 1867440

ON Semiconductor

ON Semi TIP121G NPN Darlington Pair, 5 A dc 80 V dc HFE:1000, 3-Pin TO-220, TU

Min Qty: 50

Container: Tube

150

TIP121

D# 1024100

STMicroelectronics

STMicroelectronics TIP121 NPN Darlington Pair, 5 A 80 V HFE:1000, 3-Pin TO-220, TU

Min Qty: 50

Container: Tube

200

Part Number	Manufacturer	Description	Stock
TIP121	ON Semiconductor	Power Bipolar Transistor, 5A, 80V, NPN, TO-220AB, 3 Pin RoHS: Compliant	75
TIP121TU	ON Semiconductor	NPN Darl/5A/80V To-220 RoHS: Compliant	1700
TIP121G	ON Semiconductor	Power Bipolar Transistor, 5A, 80V, NPN, TO-220AB, Plastic/Epoxy, 3 Pin RoHS: Compliant	7913

Part Number

Manufacturer

Description

Stock

TIP121

D# TDSTD7028

STMicroelectronics

NPN DARLINGTON 80V 5A 65W TO220

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
TIP121 B	C*Core Technology Co Ltd	OEM/CM ONLY	135
WO6031TIP121	STMicroelectronics	OEM/CM ONLY	51
TIP121TU	Fairchild Semiconductor Corporation	OEM/CM ONLY	3841
TIP121D	SGS Semiconductor Ltd	OEM/CM ONLY	105
TIP121S	Bourns Inc	OEM/CM ONLY	1016
TIP121G	ON Semiconductor	OEM/CM ONLY	1558
TIP121	Fairchild Semiconductor Corporation	OEM/CM ONLY	1178371

Part Number

Manufacturer

Description

Stock

TIP121

Fairchild Semiconductor Corporation

IN stock Immediate delivery

36515

Part Number

Manufacturer

Description

Stock

TIP121

D# 2028016140

Texas Instruments

TIP121 TI Transistor

126

Part Number	Manufacturer	Description	Stock
TIP121G D# 25632856	ON Semiconductor	Trans Darlington NPN 80V 5A 2000mW 3-Pin(3+Tab) TO-220AB Tube	0
TIP121TU D# 26637014	ON Semiconductor	Trans Darlington NPN 80V 5A 2000mW 3-Pin(3+Tab) TO-220 Tube	0
TIP121 D# 7904190	STMicroelectronics	Trans Darlington NPN 80V 5A 2000mW 3-Pin(3+Tab) TO-220AB Tube	0

Part Number

Manufacturer

Description

Stock

TIP121TU

Fairchild Semiconductor Corporation

RFQ

11742

TIP121GOS

ON Semiconductor

RFQ

6021

Part Number

Manufacturer

Description

Stock

TIP121

STMicroelectronics

TRANS NPN DARL 80V 5A TO-220

3400

Part Number

Manufacturer

Description

Stock

TIP121

D# 9804013

STMicroelectronics

TRANSISTOR, DARLINGTON, 80V, 5A, TO-220

RoHS: Compliant

Min Qty: 1

Container: Each

3566

TIP121G

D# 2535660

ON Semiconductor

TRANSISTOR, BIPOL, NPN, 80V, TO-220-3

RoHS: Compliant

Min Qty: 1

Container: Each

981

Quick Inquiry

TIP121

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