JANSP2N3440L-Transistor Overview
The JANSP2N3440L transistor is a robust NPN bipolar junction transistor designed for medium power amplification and switching applications. This device offers a collector-emitter voltage rating of 100V and a collector current capacity of 10A, making it suitable for demanding industrial environments. Its high gain and power dissipation capabilities ensure reliable operation in circuits requiring efficient current control. The transistor??s TO-3 metal can package enhances thermal management, contributing to its durability and long-term stability. Engineers and sourcing specialists will find it a dependable choice for high-performance power regulation tasks. For more detailed manufacturer data, visit IC Manufacturer.
JANSP2N3440L-Transistor Technical Specifications
| Parameter | Specification |
|---|---|
| Device Type | NPN Bipolar Junction Transistor |
| Collector-Emitter Voltage (VCEO) | 100 V |
| Collector-Base Voltage (VCBO) | 140 V |
| Emitter-Base Voltage (VEBO) | 5 V |
| Collector Current (IC) | 10 A |
| Power Dissipation (Ptot) | 125 W |
| DC Current Gain (hFE) | 20 to 70 (at IC=4A) |
| Transition Frequency (fT) | 3 MHz (typical) |
| Package | TO-3 Metal Can |
JANSP2N3440L-Transistor Key Features
- High voltage tolerance: With a collector-emitter voltage rating of 100V, it supports applications with significant voltage requirements, ensuring robust performance.
- High collector current capability: Handles up to 10A, enabling effective control of high power loads in switching and amplification circuits.
- Efficient thermal management: The TO-3 metal can package allows superior heat dissipation, improving reliability and extending device lifespan under demanding conditions.
- Wide gain range: The transistor offers a DC current gain between 20 and 70 at 4A, providing flexibility for various amplification needs.
Typical Applications
- Power amplifiers in audio and industrial equipment requiring high current handling and voltage tolerance for reliable operation.
- Switching regulators and power supplies where efficient switching at moderate frequencies is necessary.
- Motor control circuits leveraging the device??s high current and power dissipation capabilities.
- General purpose high power transistor use in industrial electronics for current amplification and switching.
JANSP2N3440L-Transistor Advantages vs Typical Alternatives
This transistor stands out due to its high collector current rating and voltage handling, combined with a metal TO-3 package that enhances thermal dissipation and reliability. Compared to typical alternatives, it offers improved power handling and robustness, making it suitable for industrial power applications where durability and consistent performance are critical. Its gain range and frequency response balance power and control accurately, supporting efficient integration into diverse electronic systems.
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JANSP2N3440L-Transistor Brand Info
The JANSP2N3440L is a military-grade equivalent of the popular 2N3440 transistor, historically produced by manufacturers such as Motorola and ON Semiconductor. It adheres to stringent JAN (Joint Army-Navy) standards, ensuring high reliability and quality for defense and industrial applications. The device is known for its rugged construction and dependable performance in harsh environments. It remains a preferred choice for engineers requiring proven semiconductor solutions compliant with MIL-SPEC requirements.
FAQ
What type of transistor is the JANSP2N3440L?
The JANSP2N3440L is an NPN bipolar junction transistor designed for medium power applications. It operates effectively in switching and amplification roles that demand significant voltage and current handling capabilities.
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What are the maximum voltage ratings for this transistor?
This transistor supports a maximum collector-emitter voltage of 100 volts, a collector-base voltage of 140 volts, and an emitter-base voltage of 5 volts. These ratings ensure safe operation within high voltage circuits.







