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| Part Number | STTH10R04FP | STTH20R04FP | 
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics | 
| Product Status | Obsolete | Obsolete | 
| Diode Type | Standard | Standard | 
| Voltage - DC Reverse (Vr) (Max) | 400 V | 400 V | 
| Current - Average Rectified (Io) | 10A | 20A | 
| Voltage - Forward (Vf) (Max) @ If | 1.7 V @ 10 A | 1.7 V @ 20 A | 
| Speed | Fast Recovery =< 500ns, > 200mA (Io) | Fast Recovery =< 500ns, > 200mA (Io) | 
| Reverse Recovery Time (trr) | 40 ns | 45 ns | 
| Current - Reverse Leakage @ Vr | 10 µA @ 400 V | 20 µA @ 400 V | 
| Capacitance @ Vr, F | - | - | 
| Mounting Type | Through Hole | Through Hole | 
| Package / Case | TO-220-2 Full Pack | TO-220-2 Full Pack | 
| Supplier Device Package | TO-220FPAC | TO-220FPAC | 
| Operating Temperature - Junction | 175°C (Max) | 175°C (Max) |