Product Overview
Taitron 2N3906 Through-Hole PNP Silicon Switching and Amplifier Transistor
Condition
Unused new old stock. Leads are straight and clean. Markings legible: 2N 3906 with Taitron logo. Sold individually.
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Product Overview
Manufactured by Taitron Components, the 2N3906 is a classic through-hole PNP bipolar junction transistor designed for general-purpose switching and small-signal amplification. Built in a standard TO-92 package, it handles up to -40V collector-emitter breakdown voltage and -200mA continuous collector current with an E-B-C pinout configuration.
Key Features
- Transistor Polarity: PNP Bipolar Junction Transistor (BJT)
- Package / Case: TO-92-3 through-hole
- Collector-Emitter Voltage (VCEO): -40 V
- Collector-Base Voltage (VCBO): -40 V
- Emitter-Base Voltage (VEBO): -5.0 V
- Continuous Collector Current (IC): -200 mA
- DC Current Gain (hFE): 100 to 300 at 10 mA
- Transition Frequency (fT): 250 MHz minimum
- Pin Configuration: Pin 1 Emitter, Pin 2 Base, Pin 3 Collector (E-B-C, flat side facing forward)
Applications
- Breadboard prototyping, logic inverters, and low-side switching circuits
- Audio preamplifier stages and analog sensor signal conditioning
- Complementary push-pull output driver stages paired with 2N3904 NPN transistors
Frequently Asked Questions
What is the pin configuration for this transistor?
Looking at the flat front face with the leads pointed downward, the pin arrangement from left to right is Pin 1 (Emitter), Pin 2 (Base), and Pin 3 (Collector).
What is the complementary NPN transistor for the 2N3906?
The standard complementary NPN match is the 2N3904, commonly used alongside the 2N3906 in push-pull amplifiers and complementary switching pairs.
Are variants like 2N3906BU or 2N3906TA electrically interchangeable with this part?
Yes. Suffixes such as BU or TA denote distribution order codes; the underlying silicon, electrical ratings, and TO-92 pinout are identical. The price per piece drops at each step in the price-break table on this page.
Every bench tech has reached into a component drawer for a 2N3906 when a build needed a steady, predictable PNP switch. Solder it into place, bias the base, and let your circuit get to work.
