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| Part Number | KBU6J | KBU8J | KBU6M | KBU6K | KBU4J | KBU6A | KBU6B | KBU6D | KBU6G | 
|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | GeneSiC Semiconductor | GeneSiC Semiconductor | Fairchild Semiconductor | onsemi | Fairchild Semiconductor | GeneSiC Semiconductor | GeneSiC Semiconductor | Fairchild Semiconductor | 
| Product Status | Obsolete | Active | Active | Obsolete | Obsolete | Obsolete | Active | Active | Obsolete | 
| Diode Type | Single Phase | Single Phase | Single Phase | Single Phase | Single Phase | Single Phase | Single Phase | Single Phase | Single Phase | 
| Technology | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | 
| Voltage - Peak Reverse (Max) | 600 V | 600 V | 1 kV | 800 V | 600 V | 50 V | 100 V | 200 V | 400 V | 
| Current - Average Rectified (Io) | 6 A | 8 A | 6 A | 6 A | 4 A | 6 A | 6 A | 6 A | 6 A | 
| Voltage - Forward (Vf) (Max) @ If | 1 V @ 6 A | 1 V @ 8 A | 1 V @ 6 A | 1 V @ 6 A | 1 V @ 4 A | 1 V @ 6 A | 1 V @ 6 A | 1 V @ 6 A | 1 V @ 6 A | 
| Current - Reverse Leakage @ Vr | 10 µA @ 50 V | 10 µA @ 600 V | 10 µA @ 1000 V | 10 µA @ 800 V | 5 µA @ 50 V | 10 µA @ 50 V | 10 µA @ 50 V | 10 µA @ 200 V | 10 µA @ 50 V | 
| Operating Temperature | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | -55°C ~ 150°C (TJ) | 
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | 
| Package / Case | 4-SIP, KBU | 4-SIP, KBU | 4-SIP, KBU | 4-SIP, KBU | 4-SIP, KBU | 4-SIP, KBU | 4-SIP, KBU | 4-SIP, KBU | 4-SIP, KBU | 
| Supplier Device Package | KBU | KBU | KBU | KBU | KBU | KBU | KBU | KBU | KBU |