| PartNumber | VS-P421 | VS-P423 | VS-P422 |
| Description | SCR Modules 400 Volt 40 Amp | SCR Modules 800 Volt 40 Amp | SCR Modules 600 Volt 40 Amp |
| Manufacturer | Vishay | Vishay | Vishay |
| Product Category | SCR Modules | SCR Modules | SCR Modules |
| RoHS | E | E | E |
| Non Repetitive On State Current | 385 A | 385 A | 385 A |
| Rated Repetitive Off State Voltage VDRM | 400 V | 800 V | 600 V |
| Off State Leakage Current @ VDRM IDRM | 10 mA | 10 mA | 10 mA |
| On State Voltage | 1.4 V | 1.4 V | 1.4 V |
| Holding Current Ih Max | 130 mA | 130 mA | 130 mA |
| Gate Trigger Voltage Vgt | 2 V | 2 V | 2 V |
| Gate Trigger Current Igt | 60 mA | 60 mA | 60 mA |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Mounting Style | Chassis | Chassis | Chassis |
| Package / Case | PACE-PAK (D-19) | PACE-PAK (D-19) | PACE-PAK (D-19) |
| Packaging | Bulk | Bulk | Bulk |
| Breakover Current IBO Max | 400 A | 400 A | 400 A |
| Current Rating | 40 A | 40 A | 40 A |
| Brand | Vishay Semiconductors | Vishay Semiconductors | Vishay Semiconductors |
| Circuit Type | Thyristors / Diodes | Thyristors / Diodes | Thyristors / Diodes |
| Product Type | SCR Modules | SCR Modules | SCR Modules |
| Factory Pack Quantity | 10 | 10 | 10 |
| Subcategory | Thyristors | Thyristors | Thyristors |
| Part # Aliases | P421 | P423 | P422 |
| Unit Weight | 2.045890 oz | 2.045890 oz | 2.045890 oz |