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| Part Number | STK621-015B1-E | STK621-728-E | STK621-043A-E | STK621-041A-E | STK621-061-E |
| Manufacturer | onsemi | onsemi | onsemi | onsemi | onsemi |
| Series | - | - | - | - | - |
| Package/Case | - | 29-SSIP Module, 21 Leads, Formed Leads | 23-SIP, 19 Leads, Formed Leads | 22-SIP, 18 Leads, Formed Leads | 22-SIP, 18 Leads, Formed Leads |
| Packaging | Tube | Tube | Tube | Tube | Tray |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
| Output Configuration | Half Bridge (3) | Half Bridge (3) | Half Bridge (3) | Half Bridge (3) | Half Bridge (3) |
| Applications | - | AC Motors | AC Motors | AC Motors | AC Motors |
| Interface | Logic | Logic | Logic | Logic | Logic |
| Load Type | - | Inductive | Inductive | Inductive | Inductive |
| Technology | - | IGBT | IGBT | IGBT | IGBT |
| Rds On (Typ) | - | - | - | - | - |
| Current - Output / Channel | 10A | 10A | 20A | 20A | 30A |
| Current - Peak Output | - | 20A | 40A | 25A | 45A |
| Voltage - Supply | 12.5V ~ 17.5V | 12.5V ~ 17.5V | 12.5V ~ 17.5V | 12.5V ~ 17.5V | 12.5V ~ 17.5V |
| Voltage - Load | 400V (Max) | 400V (Max) | 400V (Max) | 400V (Max) | 400V (Max) |
| Operating Temperature | -20°C ~ 100°C (TA) | -20°C ~ 150°C (TJ) | -20°C ~ 150°C (TJ) | -20°C ~ 150°C (TJ) | -20°C ~ 150°C (TJ) |
| Grade | - | - | - | - | - |
| Qualification | - | - | - | - | - |
| Features | - | Auto Restart, Bootstrap Circuit, Status Flag | Auto Restart, Bootstrap Circuit, Status Flag | Bootstrap Circuit, Status Flag | Auto Restart, Bootstrap Circuit, Status Flag |
| Fault Protection | - | Current Limiting, UVLO | Current Limiting, UVLO | Current Limiting, Over Temperature, UVLO | Current Limiting, Over Temperature, UVLO |
| Mounting Type | - | Through Hole | Through Hole | Through Hole | Through Hole |
| Supplier Device Package | - | 21-SIP | 23-SIP | 22-SIP | - |
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