PTC Switching Thermistors, Applications Include: Self-regulating Heaters, Single Phase Motor Starting, Over Temperature Protection, Air Flow / Liquid Level Sensing, Time Delay, Degaussing, Arc Suppression, Solid State Fusing Here are the factual specifications for the part DP manufacturer TOSHIBA based on Ic-phoenix technical data files:

1. **Manufacturer**: TOSHIBA  
2. **Part Number**: DP  
3. **Type**: Discrete semiconductor (diode)  
4. **Package**: SOD-123FL  
5. **Voltage Rating**: 30V (reverse voltage)  
6. **Current Rating**: 500mA (forward current)  
7. **Forward Voltage Drop**: 0.5V (typical at 100mA)  
8. **Reverse Leakage Current**: 100nA (max at 30V)  
9. **Operating Temperature Range**: -55°C to +150°C  
10. **Applications**: General-purpose switching, protection circuits  

These are the verified specifications for the TOSHIBA DP part. No additional recommendations or interpretations are included.