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| Part Number | ZSR500CSTZ | ZSR520CSTZ | ZSR900CSTZ | ZMR500CSTZ | ZSR300CSTZ | ZSR400CSTZ | 
|---|---|---|---|---|---|---|
| Manufacturer | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | Diodes Incorporated | 
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | 
| Output Configuration | Positive | Positive | Positive | Positive | Positive | Positive | 
| Output Type | Fixed | Fixed | Fixed | Fixed | Fixed | Fixed | 
| Number of Regulators | 1 | 1 | 1 | 1 | 1 | 1 | 
| Voltage - Input (Max) | 20V | 20V | 20V | 25V | 20V | 20V | 
| Voltage - Output (Min/Fixed) | 5V | 5.2V | 9V | 5V | 3V | 4V | 
| Voltage - Output (Max) | - | - | - | - | - | - | 
| Voltage Dropout (Max) | - | - | - | - | - | - | 
| Current - Output | 200mA | 200mA | 200mA | 50mA | 200mA | 200mA | 
| Current - Quiescent (Iq) | 600 µA | 600 µA | 600 µA | 70 µA | 600 µA | 600 µA | 
| Current - Supply (Max) | - | - | - | - | - | - | 
| PSRR | 62dB (120Hz) | 62dB (120Hz) | 57dB (120Hz) | 72dB (120Hz) | 62dB (120Hz) | 62dB (120Hz) | 
| Control Features | - | - | - | - | - | - | 
| Protection Features | Over Temperature, Short Circuit | Over Temperature, Short Circuit | Over Temperature, Short Circuit | Over Current, Over Temperature | Over Temperature, Short Circuit | Over Temperature, Short Circuit | 
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | -55°C ~ 125°C | 
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | 
| Package / Case | TO-226-3, TO-92-3 (TO-226AA) Formed Leads | TO-226-3, TO-92-3 (TO-226AA) Formed Leads | TO-226-3, TO-92-3 (TO-226AA) Formed Leads | TO-226-3, TO-92-3 (TO-226AA) Formed Leads | TO-226-3, TO-92-3 (TO-226AA) Formed Leads | TO-226-3, TO-92-3 (TO-226AA) Formed Leads | 
| Supplier Device Package | TO-92 | TO-92 | TO-92 | TO-92 | TO-92 | TO-92 |