2N4029Alternatives & Equivalent Parts

About 2N4029

2N4029 is a Transistor BJT PNP component manufactured by Microchip. It comes in a Other package. Below you'll find known alternative and equivalent parts that can serve as replacements in your design.

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Specification Comparison

Parameter2N4029Source2N4033
ManufacturerMicrochipSTMicroelectronics
Package TypeOtherOther
Pin Count33
Temperature Range~ 200.0°C~ 175.0°C
Price$1.9320$0.3930
StockIn StockIn Stock
LifecycleACTIVEOBSOLETE
Electrical Parameters
YTEOL230
Collector Current-Max (IC)1 A1 A
Collector-Emitter Voltage-Max80 V80 V
ConfigurationSINGLESINGLE
DC Current Gain-Min (hFE)2525
JEDEC-95 CodeTO-206AATO-39
JESD-30 CodeO-MBCY-W3O-MBCY-W3
JESD-609 Codee0e3
Number of Elements11
Package Body MaterialMETALMETAL
Package ShapeROUNDROUND
Package StyleCYLINDRICALCYLINDRICAL
Polarity/Channel TypePNPPNP
Qualification StatusNot QualifiedNot Qualified
Surface MountNONO
Terminal FinishTin/Lead (Sn/Pb)MATTE TIN
Terminal FormWIREWIRE
Terminal PositionBOTTOMBOTTOM
Transistor ApplicationSWITCHING
Transistor Element MaterialSILICONSILICON
Turn-off Time-Max (toff)210 ns400 ns
Turn-on Time-Max (ton)40 ns100 ns
Pbfree CodeYes
Additional FeatureLOW NOISE
Power Dissipation-Max (Abs)0.8 W
Transition Frequency-Nom (fT)150 MHz

Cells highlighted in yellow indicate differing values across parts. Always verify with official datasheets before substitution.

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Quick Links

2N4033by STMicroelectronics

Small Signal Bipolar Transistor, 1A I(C), 80V V(BR)CEO, 1-Element, PNP, Silicon, TO-39

Why Look for Alternatives?

Finding alternatives for 2N4029 is essential for supply chain resilience. Component shortages, long lead times, and end-of-life notices can disrupt production schedules. Having verified alternative parts ensures your designs remain manufacturable.

When evaluating 2N4029 replacements, consider key parameters such as package compatibility, electrical specifications, and operating temperature range. Our engineering team can help verify pin-to-pin compatibility for your specific application.

Can't Find What You Need?

Our sourcing team can help find compatible alternatives for 2N4029. Get expert recommendations within 24 hours.

FAQ

What is equivalent to 2N4029?

Known equivalents for 2N4029 include 2N4033. Contact FindMyChip for a full compatibility analysis for your specific application.

Can I use a different manufacturer's part instead of 2N4029?

In many cases, yes. Cross-manufacturer alternatives exist for most standard components. However, always verify pin compatibility, electrical specs, and package dimensions before substituting in production.

How do I verify 2N4029 alternatives?

Compare the datasheet specifications including pinout, voltage ratings, timing parameters, and package dimensions. FindMyChip's engineering team can help with compatibility verification — submit an RFQ to get started.