TIP31 ON Semiconductor Transistor BJT NPN (Transistor Outline, Vertical) In Stock

Name: TIP31
Brand: ON Semiconductor
SKU: TIP31
Availability: InStock

Obsolete - NPN Bipolar Power Transistor

OBSOLETETransistor BJT NPNVerified Jun 2026

Package / Visual Reference

TIP31Transistor Outline, Vertical

Quick Facts

Manufacturer: ON Semiconductor
Package: Transistor Outline, Vertical
Pin Count: 3
Lifecycle: OBSOLETE
Datasheet: TIP31 Datasheet PDF
Category: Transistor BJT NPN
Price: From $0.2420(MOQ 1)
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the specifications of TIP31?

Pbfree Code	No
Manufacturer Package Code	221A
Factory Lead Time	4Weeks
YTEOL	0
Collector Current-Max (IC)	3A
Collector-Emitter Voltage-Max	40V
Configuration	SINGLE
DC Current Gain-Min (hFE)	25
JEDEC-95 Code	TO-220AB
JESD-30 Code	R-PSFM-T3
Number of Elements	1
Package Body Material	PLASTIC/EPOXY
Package Shape	RECTANGULAR
Package Style	FLANGE MOUNT
Polarity/Channel Type	NPN
Power Dissipation Ambient-Max	40W
Qualification Status	Not Qualified
Surface Mount	NO
Terminal Form	THROUGH-HOLE
Terminal Position	SINGLE
Transistor Element Material	SILICON
Transition Frequency-Nom (fT)	2MHz
VCEsat-Max	1.2V
Package	Transistor Outline, Vertical

Compliance & Regulatory

ECCN	EAR99
HTS Code	8541.29.00.95

Where can I find the TIP31 datasheet?

TIP31 Datasheet Download

Official datasheet from ON Semiconductor

What are equivalent replacements for TIP31?

Compatible alternatives and drop-in replacements for TIP31:

suggested

suggested

suggested

Compare all alternatives & request quotes →

Frequently Asked Questions

What is the price of TIP31?

TIP31 is priced from $0.2420 USD depending on quantity. Submit an RFQ on FindMyChip for the best current pricing from authorized China distributors.

Is TIP31 in stock?

TIP31 is listed as in stock at FindMyChip, sourced from authorized distributors, and ships worldwide with typical 3-7 business day lead time. Submit an RFQ for current quantity pricing, MOQ, and confirmed availability.

Where can I buy TIP31?

You can buy TIP31 from FindMyChip, a B2B electronic component platform sourcing from China distributors. We offer competitive pricing and low MOQ for TIP31 from ON Semiconductor.

What is the datasheet for TIP31?

The official TIP31 datasheet from ON Semiconductor contains full specifications including pin configuration, electrical characteristics, and application notes. Download it directly from the datasheet section above.

What package does TIP31 come in?

TIP31 is available in Transistor Outline, Vertical packaging. See the package diagram and pinout above for detailed dimensional information.

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.

Aug 6, 2026

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.

Aug 6, 2026

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.

Aug 4, 2026

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.

Aug 4, 2026

Why Buy from FindMyChip

Authorized Source

Verified supply chain with full traceability & inspection

Competitive Pricing

Factory-direct from China distributors, low MOQ

Fast Shipping

DHL Express 3–5 days · FedEx/UPS 5–7 days worldwide

Quality Guaranteed

30-day replacement for defective parts, no questions asked

About ON Semiconductor

ON Semiconductor (onsemi) provides intelligent power and sensing technologies for automotive, industrial, IoT, and cloud infrastructure applications.

View all ON Semiconductor parts →

More from ON Semiconductor

MC7808BDTRKG

Other

Integrated Circuit

MM74HCT245WM

Other

Undefined or Miscellaneous

NCL30188BDR2G

Small Outline Packages

Integrated Circuit

NCL30185BDR2G

Small Outline Packages

Integrated Circuit

MM74HCT138M

Other

Undefined or Miscellaneous

LV8811G-AH

Small Outline Packages

Motor

AvailabilityIn Stock

Reference Price (USD)

From $0.2420

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
1+	$0.3630	$0.36
21+	$0.3000	$6.30
43+	$0.2975	$12.79
662+	$0.2420	$160.20

pcs

Unit price: $0.3630 · Total: $0.36

In Stock · 24h Response · Worldwide Shipping

Direct Contact

WhatsApp Inquiry Email RFQ

Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”

James Wright

Supply Chain Director, CircuitPro Ltd, UK

TIP31 ON Semiconductor Transistor BJT NPN (Transistor Outline, Vertical) In Stock

What are the specifications of TIP31?

Compliance & Regulatory

Where can I find the TIP31 datasheet?

What are equivalent replacements for TIP31?

Frequently Asked Questions

What is the price of TIP31?

Is TIP31 in stock?

Where can I buy TIP31?

What is the datasheet for TIP31?

What package does TIP31 come in?

Related Guides

CSD87313DMS Synchronous Buck Power Stage Design Guide

STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection

C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC

STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security

Why Buy from FindMyChip

About ON Semiconductor

More from ON Semiconductor

You May Also Like