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| Part Number | FSQ510M | FSQ510MX | FSQ510 | FSQ510H | 
|---|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi | Fairchild Semiconductor | 
| Product Status | Obsolete | Last Time Buy | Obsolete | Obsolete | 
| Output Isolation | Isolated | Isolated | Isolated | Isolated | 
| Internal Switch(s) | Yes | Yes | Yes | Yes | 
| Voltage - Breakdown | 700V | 700V | 700V | 700V | 
| Topology | Flyback | Flyback | Flyback | Flyback | 
| Voltage - Start Up | 8.7 V | 8.7 V | 8.7 V | 8.7 V | 
| Voltage - Supply (Vcc/Vdd) | 6.7V ~ 20V | 6.7V ~ 20V | 6.7V ~ 20V | 6.7V ~ 20V | 
| Duty Cycle | 60% | 60% | 60% | 60% | 
| Frequency - Switching | 94.3kHz ~ 132kHz | 94.3kHz ~ 132kHz | 94.3kHz ~ 132kHz | 94.3kHz ~ 132kHz | 
| Power (Watts) | 9 W | 9 W | 9 W | 9 W | 
| Fault Protection | Current Limiting, Over Load, Over Temperature | Current Limiting, Over Load, Over Temperature | Current Limiting, Over Load, Over Temperature | Current Limiting, Over Load, Over Temperature | 
| Control Features | Sync | Sync | Sync | Sync | 
| Operating Temperature | -40°C ~ 140°C (TJ) | -40°C ~ 140°C (TJ) | -40°C ~ 140°C (TJ) | -40°C ~ 140°C (TJ) | 
| Package / Case | 8-SMD (7 Leads), Gull Wing | 8-SMD (7 Leads), Gull Wing | 8-DIP (0.300", 7.62mm), 7 Leads | 8-DIP (0.300", 7.62mm) | 
| Supplier Device Package | 7-LSOP | 7-LSOP | 7-DIP | 8-DIP | 
| Mounting Type | Surface Mount | Surface Mount | Through Hole | Through Hole |