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BD136 TO-126 Transistor

SKU: HMJ845 Category: Transistors
KSH 10.00
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Product Description

BD136 TO-126 Transistor (PNP)

= 1.5A PNP Medium Power Transistor for Audio and Switching Applications =

The BD136 is a mediumpower PNP bipolar junction transistor (BJT) housed in a TO126 (SOT32) plastic package. Designed as a complementary device to the NPN transistor BD135, it is wellsuited for a variety of driver stages in hifi amplifiers, television circuits, and general-purpose power applications.

Device Type: PNP Bipolar Junction Transistor (BJT)
Package: TO-126 (SOT32)
Maximum Collector Current (IC): 1.5A (DC); 2A peak
NPN Complement: BD135
Ensure correct pin identification: Pin 1 is the Emitter, Pin 2 is the Collector, and Pin 3 is the Base. The collector is electrically connected to the metal mounting tab.
Do not exceed the maximum ratings to prevent permanent damage.

= Key Technical Specifications =

ParameterValueNotes
------
Collector-Base Voltage (VCBO)-45VBD136 rating
Collector-Emitter Voltage (VCEO)-45VMaximum continuous voltage
Emitter-Base Voltage (VEBO)-5V
Collector Current (IC)-1.5AContinuous current rating
Peak Collector Current (ICM)-2ANon-repetitive peak current
Power Dissipation (Ptot)8WAt case temperature ≤70°C
Power Dissipation (Ptot)1.25WWithout heatsink at 25°C ambient
DC Current Gain (hFE)40 - 250Depends on variant and conditions
Transition Frequency (fT)160 MHzTypical value
Operating/Storage Temperature-65°C to +150°C

= Key Features =

Complementary PNP Design - Designed as a complementary transistor to the BD135 (NPN)

High Current Capability 1.5A continuous collector current for mediumpower applications

Low Saturation Voltage 0.5V maximum at IC = 500mA ensures low conduction losses

Versatile Performance - 160 MHz transition frequency for suitability in audio and RF driver stages

== Applications ==

  • Driver stages in hi-fi amplifiers
  • Television circuits
  • General-purpose power applications
  • Power management circuits
  • Industrial control
  • Audio circuits
Reliable Performance Designed for generalpurpose power applications
Widely Available Standard TO126 package with well-documented specifications

√ Ready to use A standard and welldocumented power transistor

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

= Package Includes =

  1. 1x BD136 PNP Transistor (TO-126 Package)
For reliable operation, ensure adequate heatsinking when dissipating significant power
This device is part of a complementary family: BD13616, 10, and -6 ranks are available with differing hFE ranges for gain selection
For a higher voltage variant, consider the BD138 (VCEO of 60V) or BD140 (VCEO of 80V)
For precise pin identification, the standard TO-126 configuration is Emitter (1), Collector (2), Base (3).
Some manufacturer packages may be designated as TO225 or SOT32, which share the same physical dimensions and pinout.

Avoid exceeding the maximum voltage ratings the collectoremitter voltage (VCEO) of 45V is critical

-Avoid exceeding the maximum junction temperature of 150°C

-Avoid using this transistor as a direct replacement without confirming the pinout and specifications