Part Number: J6810, FJAF6810
Function: 750V, NPN Triple Diffused Planar Silicon Transisor
Package: TO-3PF Type
Manufacturer: Fairchild Semiconductor
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Description
The J6810 is a high-voltage silicon NPN power transistor designed for demanding switching applications, featuring a 750V collector-emitter rating and 10A collector current capability in a robust package. It offers high voltage tolerance, strong current handling, and reliable thermal performance suitable for pulse and inductive loads. This device is commonly used in horizontal deflection output stages of high-voltage color display systems and similar power switching circuits.
Features
1. High Collector-Base Breakdown Voltage : BVCBO= 1500V
2. High Switching Speed : tF(typ.) =0.1µs
3. For Color Monitor
Absolute maximum ratings ( Ta=25°C )
1. Collector to Base Voltage: Vcbo = 1500 V
2. Collector to Emitter Voltage: Vceo = 750 V
3. Emitter to Base Voltage: Vebo = 6 V
4. Collector Current: Ic = 10 A
5. Total Dissipation : Pc = 60 W
6. Junction Temperature: Tj = 150°C
7. Storage Temperature: Tsg = -55 ~ +150°C
J6810 Pinout
Design Notes
- Ensure proper heat sink design due to high power dissipation
- Use snubber networks to suppress voltage spikes in deflection circuits
- Base drive circuitry must provide sufficient current for fast switching
- Verify safe operating area (SOA) under high-voltage pulse conditions
- Maintain proper insulation and creepage distances for high-voltage operation
J6810 Datasheet PDF Download
How to Choose This Part
- Select for applications requiring high voltage (≥750V) switching capability
- Suitable for CRT deflection and flyback-based designs
- Ideal where high current and pulse robustness are required
- Consider thermal management and switching frequency requirements
- Ensure compatibility with driver stage and load characteristics
Applications
- CRT color display horizontal deflection output
- High-voltage power switching
- Flyback converter circuits
- Industrial control systems
- Pulse power electronics
Alternative / Equivalent Products
- 2SC6810
- BU508A
- 2SC4927
- D1555
- BU2520AF
Other data sheets are available within the file: FJAF6810D, J6810D






