TIP125G ON Semiconductor Transistor (Transistor Outline, Vertical) In Stock

TIP125G from ON Semiconductor is a transistor. Key specs include 221A, 4 Weeks, Collector Current-Max (IC): 5 A. From inquiry pricing, buyers can request stock with worldwide shipping.

OBSOLETETransistorVerified Jun 2026
Package / Visual Reference
TIP125GTransistor Outline, Vertical
Quick Facts
Manufacturer
ON Semiconductor
Package
Transistor Outline, Vertical
Pin Count
3
Lifecycle
OBSOLETE
Category
Transistor
Price
From $0.2228(MOQ 1)
Temp Range
?°C to 150.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

What are the key features of TIP125G?

  • ON Semiconductor Transistor for TIP125G sourcing and replacement review
  • Transistor Outline, Vertical package configuration for board-level fit checks
  • 221A
  • 4 Weeks
  • 3-pin configuration for footprint and connector mapping

What is TIP125G used for?

TIP125G is used in assemblies that require a transistor with 221A and a documented Transistor Outline, Vertical form factor. Typical uses include maintenance builds, approved-source replacements, prototype validation, and production purchasing where engineers must match electrical, mechanical, and lifecycle requirements before release.

What are the specifications of TIP125G?

Pbfree CodeYes
Manufacturer Package Code221A
Factory Lead Time4Weeks
YTEOL0
Case ConnectionCOLLECTOR
Collector Current-Max (IC)5A
Collector-Emitter Voltage-Max60V
ConfigurationDARLINGTON WITH BUILT-IN DIODE AND RESISTOR
DC Current Gain-Min (hFE)1000
JEDEC-95 CodeTO-220AB
JESD-30 CodeR-PSFM-T3
JESD-609 Codee3
Number of Elements1
Package Body MaterialPLASTIC/EPOXY
Package ShapeRECTANGULAR
Package StyleFLANGE MOUNT
Peak Reflow Temperature (Cel)260
Polarity/Channel TypePNP
Power Dissipation-Max (Abs)65W
Qualification StatusNot Qualified
Surface MountNO
Terminal FinishMatte Tin (Sn) - annealed
Terminal FormTHROUGH-HOLE
Terminal PositionSINGLE
Time@Peak Reflow Temperature-Max (s)40
Transistor ApplicationAMPLIFIER
Transistor Element MaterialSILICON
PackageTransistor Outline, Vertical

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
ECCNEAR99

Where can I find the TIP125G datasheet?

TIP125G Datasheet Download

Official datasheet from ON Semiconductor

What are equivalent replacements for TIP125G?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

Which design checks matter before using TIP125G in a transistor application?

TIP125G should be checked against 221A, the current datasheet, and the target circuit conditions before it is approved for a production design.

How should the Transistor Outline, Vertical package influence board approval for TIP125G?

The Transistor Outline, Vertical package should be compared with the PCB footprint, assembly process, and 3 pins requirement so purchasing does not approve a mechanically incompatible substitute.

When comparing alternates, which ON Semiconductor specification should stay matched?

Keep Collector Current-Max (IC): 5 A aligned first, then review tolerance, lifecycle, compliance, and sourcing risk because nearby MPNs can differ in ratings even when descriptions look similar.

Related Guides

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.

AvailabilityIn Stock
Reference Price (USD)
From $0.2228
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$0.7200$0.72
100+$0.6860$68.60
250+$0.6520$163.00
1000+$0.2983$298.30
10000+$0.2660$2660.00
100000+$0.2228$22280.00
pcs
Unit price: $0.7200 · Total: $0.72

In Stock · 24h Response · Worldwide Shipping

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.

JW
James Wright
Supply Chain Director, CircuitPro Ltd, UK