Transistor C5681 technical information, including its features and specifications is available in this post.
This product features 800V, 15A, Silicon NPN Transistor functions.
The name of this part is 2SC5681. This package type is TO-3PMLH.
The component is manufactured by Sanyo Semicon Device.
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Description
C5681 transistor is a high-performance NPN transistor designed specifically for ultrahigh-definition CRT display horizontal deflection output applications. It features high speed, high breakdown voltage, and enhanced reliability by utilizing the HVP and MBIT process technologies.
Features
- High-speed switching performance
- High breakdown voltage: VCBO = 1500 V
- High reliability with HVP process
- Advanced MBIT (Multi-Base Injection Transistor) structure
Pinout

Absolute Maximum Ratings (Ta = 25°C)
| Parameter | Symbol | Conditions | Rating | Unit |
| Collector-to-Base Voltage | VCBO | — | 1500 | V |
| Collector-to-Emitter Voltage | VCEO | — | 800 | V |
| Emitter-to-Base Voltage | VEBO | — | 5 | V |
| Collector Current | IC | DC | 15 | A |
| Collector Current (Pulse) | ICP | — | 35 | A |
| Collector Dissipation (Tc = 25°C) | PC (Tc=25 °C) | — | 85 | W |
| Junction Temperature | Tj | — | 150 | °C |
| Storage Temperature Range | Tstg | — | −55 to +150 | °C |
Applications
- Horizontal deflection output stage for ultrahigh-definition CRT displays
- High-speed switching applications
- High-voltage driver circuits
Alternative & Equivalent Products
- 2SC5335 – High-speed, high-voltage NPN for deflection output
- 2SC5296 – Horizontal output transistor with high switching speed
- BUH515 – STMicroelectronics NPN for line output stage (CRT)
- 2SC5144 – Similar TO-3P NPN deflection transistor
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For more details, please refer to the file.
