BD235 TO-126 Transistor – KSH 10 at HIMASTORES Mombasa – best electronics in Kenya
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BD235 TO-126 Transistor

SKU: HMJ846 Category: Transistors
KSH 10.00
In Stock

Product Description

BD235 TO-126 Transistor (NPN)

2A Medium Power NPN Transistor for Linear and Switching Applications

The BD235 is a mediumpower NPN bipolar junction transistor (BJT) housed in a TO126 package [citation:3]. It is part of the BD23x series and is designed as a complementary device to the PNP transistor BD236 [citation:3][citation:9]. This transistor is wellsuited for a variety of mediumpower linear and switching applications [citation:6].

Device Type: NPN Bipolar Junction Transistor (BJT)
Package: TO-126
Maximum Collector Current (IC): 2A
Total Power Dissipation (Ptot): 25W (with heatsink) [citation:4]
Ensure correct pin identification: Pin 1 is the Emitter, Pin 2 is the Collector, and Pin 3 is the Base [citation:6][citation:10]. The collector is also electrically connected to the metal mounting tab of the package.
Do not exceed the maximum ratings to prevent permanent damage.

Key Technical Specifications

ParameterValueNotes
:-:-:-
Collector-Emitter Voltage (VCEO)60VMaximum continuous voltage [citation:4][citation:10]
Collector-Base Voltage (VCBO)60V[citation:4][citation:8]
Emitter-Base Voltage (VEBO)5V[citation:4][citation:8]
Collector Current (IC)2AContinuous current rating [citation:2][citation:4]
Peak Collector Current (ICM)2ANon-repetitive peak current
Power Dissipation (Ptot)25W (with heatsink)At case temperature of 25°C [citation:4]
Power Dissipation (Ptot)1.25W (without heatsink)At ambient temperature of 25°C [citation:4][citation:10]
DC Current Gain (hFE)40 - 130At IC 150mA, VCE 2V [citation:6][citation:10]
Transition Frequency (fT)3 MHz[citation:4][citation:8]
Operating Temperature Range-65°C to +150°CJunction temperature range [citation:4]

= Key Features =

NPN Complement Designed as a complementary transistor to the BD236 (PNP) for pushpull amplifier configurations [citation:3][citation:9]

Medium Power Capability - 2A collector current and 25W power dissipation for demanding applications [citation:1][citation:4]

Low Saturation Voltage - 0.6V max at IC = 1A ensures low losses [citation:4][citation:8]

GlassPassivated Junction Provides reliability and high thermal cycling performance [citation:3]

Wide Operating Temperature Range 65°C to +150°C for demanding environments [citation:4][citation:8]

= Applications =

  • Medium-power linear and switching circuits [citation:3]
  • Audio amplifiers and pre-amplifiers [citation:6]
  • Power supply regulators
  • General-purpose power amplification [citation:3]
  • Motor control circuits
  • Automotive electronics (with appropriate derating)
Reliable Performance Designed for use in mediumpower linear and switching applications
Widely Available Standard TO126 package for easy integration

√ Ready to use A standard and welldocumented power transistor

√ Medium power capability - Suitable for a wide range of applications

Package Includes

  1. 1x BD235 NPN Transistor (TO-126 Package)
For reliable operation, ensure adequate heatsinking when dissipating significant power (above 1.25W)
Direct equivalents include the BD235G and other BD23x series variants
For a higher voltage variant, consider the BD237 (VCEO of 80V) [citation:4][citation:10]
For precise pin identification, the standard TO-126 configuration is Emitter (1), Collector (2), Base (3) [citation:6][citation:10]
Always check your circuit's requirements against the datasheet for your specific variant

Avoid exceeding the maximum voltage ratings the collector-emitter voltage (VCEO) of 60V is critical

-Avoid exceeding the maximum junction temperature of 150°C

-Avoid using this transistor as a direct replacement for a PNP transistor without checking the pinout