Transistor JCS830C technical information, including its features and specifications is available in this post.
This product features 500V, 4.5A, N-channel MOSFET functions.
This package type is TO-220C.
The component is manufactured by Jilin Sing Microelectronics.
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Description
The JCS830C is a 500V, 4.5A N-channel MOSFET supplied in a compact power package optimized for off-line switching and general high-voltage conversion. It features a low RDS(on) characteristic for its voltage class, stable gate charge behavior, and robust avalanche capability suited for demanding switching environments. This device is commonly applied in switched-mode power supplies, primary-side converters, and high-voltage PWM control stages.
Features
- Low gate charge
- Low Crss (typical 17pF )
- Improved dv/dt capability
- Stable gate charge profile suitable for high-frequency switching
- Rugged avalanche performance supporting transient-rich environments
Pinout

Absolute Maximum Ratings (Ta = 25 °C)
| Parameter | Symbol | Value | Unit |
| Drain-Source Voltage | VDS | 500 | V |
| Continuous Drain Current | ID | 4.5 | A |
| Gate-Source Voltage | VGS | ±30 | V |
| Total Power Dissipation | PD | 73 | W |
| Operating Junction Temperature | Tj | -55 ~ 150 | °C |
Applications
- High efficiency switch mode power supplies
- Electronic lamp ballasts based on half bridge
- DC-DC conversion blocks requiring fast, efficient MOSFET switching
- Load switching in medium-power instrumentation and automation
Alternative / Equivalent Products
- IRF840
- STF7N65M2
- FQP9N50
- 2SK3569
[ … ]
For more details, please refer to the file.
