Bipolar Transistors – BJT 140V 1A 1W Small-Signal BJT THT

JAN2N3635 – 140V 1A Small-Signal BJT Transistor – Microsemi

The JAN2N3635 from Microsemi is a high-reliability bipolar junction transistor (BJT) engineered for demanding small-signal amplification and switching applications. This through-hole (THT) component delivers robust 140V voltage handling, 1A current capacity, and 1W power dissipation in a rugged package. PCX supplies this military-grade transistor with guaranteed authenticity, same-day shipping, and dedicated technical support.

Key Features

• 140V Collector-Emitter Voltage (V_CEO) – Handles high-voltage circuits
• 1A Continuous Collector Current (I_C) – Supports medium-power loads
• 1W Power Dissipation (P_D) – Efficient thermal performance
• Through-Hole (THT) Package – Simplified manual or wave soldering
• JAN-Suffix Qualified – Meets military reliability standards

Technical Details

This NPN bipolar transistor features a robust metal-can package designed for extended operational life. Optimized for linear amplification and low-frequency switching, it operates within industrial temperature ranges. The JAN2N3635 undergoes stringent MIL-PRF-19500 testing for consistent performance in critical systems. Note: Product images are representational; refer to datasheet for exact dimensions.

Typical Applications

• Power supply control circuits
• Audio amplification stages
• Industrial motor drivers
• Telecom infrastructure hardware
• Military/aerospace control systems

About Microsemi

Microsemi (now part of Microchip Technology) is a global leader in high-reliability semiconductors for mission-critical industries. With decades of expertise in military, aerospace, and industrial markets, Microsemi components undergo rigorous qualification processes far exceeding commercial standards.

Renowned for radiation-hardened and extended-temperature products, Microsemi’s commitment to zero-defect manufacturing ensures exceptional product longevity. Their BJT transistors like the JAN2N3635 series are trusted in applications where component failure is not an option.

About Bipolar Junction Transistors (BJTs)

Bipolar Junction Transistors are fundamental semiconductor devices used for current amplification, switching, and signal modulation. Unlike MOSFETs, BJTs are current-controlled devices known for linear response characteristics, making them ideal for analog amplification stages and precision control circuits.

Small-signal BJTs like the JAN2N3635 operate at lower power levels but offer superior gain linearity and noise performance compared to power transistors. Their through-hole packaging ensures mechanical stability in high-vibration environments, maintaining signal integrity in industrial, automotive, and defense applications.

Packaging Options

Available in bulk packaging for prototyping and low-volume production. Contact PCX for custom reel quantities or special handling requirements.

FAQs

Q: What does “JAN” prefix indicate?
A: JAN (Joint Army-Navy) denotes compliance with MIL-PRF-19500 standards for extreme reliability in military systems.

Q: Is this transistor suitable for audio amplifiers?
A: Yes, its linear gain characteristics make it ideal for pre-amplification and driver stages in audio equipment.

Q: What heatsink is recommended for 1W dissipation?
A: A small TO-39 compatible heatsink is advised for continuous operation at maximum power.

Q: Does PCX provide datasheets?
A: Yes, download the JAN2N3635 datasheet directly from PCXCo.com for full specifications.

Q: Can I use this for switching 12V relays?
A: Absolutely – its 1A rating exceeds typical relay coil currents, with ample 140V headroom.

Q: Are RoHS-compliant versions available?
A: This specific part number contains lead due to military specs. Contact PCX for RoHS alternatives.

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