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| Part Number | NCP1937B1DR2G | NCP1937B3DR2G | NCP1937B51DR2G | NCP1937B2DR2G | NCP1937C1DR2G | NCP1937A1DR2G |
|---|---|---|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi | onsemi | onsemi | onsemi |
| Product Status | Active | Active | Active | Obsolete | Obsolete | Obsolete |
| Mode | Critical Conduction (CRM) | Critical Conduction (CRM) | Critical Conduction (CRM) | Critical Conduction (CRM) | Critical Conduction (CRM) | Critical Conduction (CRM) |
| Frequency - Switching | - | - | - | - | - | - |
| Current - Startup | 20 mA | 20 mA | 15 mA | 20 mA | 20 mA | 20 mA |
| Voltage - Supply | 9V ~ 30V | 9V ~ 30V | 9V ~ 30V | 9V ~ 30V | 9V ~ 30V | 9V ~ 30V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C (TJ) | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 20-LSOP (0.154", 3.90mm Width), 17 Leads | 20-LSOP (0.154", 3.90mm Width), 17 Leads | 20-LSOP (0.154", 3.90mm Width), 17 Leads | 20-LSOP (0.154", 3.90mm Width), 17 Leads | 20-LSOP (0.154", 3.90mm Width), 17 Leads | 20-LSOP (0.154", 3.90mm Width), 17 Leads |
| Supplier Device Package | 20-SOIC | 20-SOIC | 20-SOIC | 20-SOIC | 20-SOIC | 20-SOIC |
