This device is a 27 V zener voltage regulator in a DO-41 hermetically sealed glass package. It is rated for 1 W steady-state power dissipation at a lead temperature of 50°C and operates over a junction and storage temperature range of -65°C to +200°C. The diode has a nominal zener voltage of 27 V at 9.5 mA, with a maximum zener impedance of 35 Ω at the test current and 750 Ω at 0.25 mA. It uses double-slug and metallurgically bonded construction with an oxide-passivated die, and it is specified as RoHS compliant with a solder hot dip tin lead finish.
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TAK Cheong Electronics (Holdings) 1N4750A technical specifications.
| Zener Voltage | 27V |
| Zener Voltage Min | 25.65V |
| Zener Voltage Max | 28.35V |
| Test Current (IZT) | 9.5mA |
| Zener Impedance Max at IZT | 35ohm |
| Zener Impedance Max at IZK | 750ohm |
| Knee Current (IZK) | 0.25mA |
| Reverse Leakage Current Max | 5uA |
| Reverse Voltage | 20.6V |
| Power Dissipation | 1W |
| Power Derating Above 50C | 6.67mW/°C |
| Operating and Storage Temperature Range Min | -65°C |
| Operating and Storage Temperature Range Max | 200°C |
| Forward Voltage Max | 1.2V |
| Forward Current Test Condition | 200mA |
| Package Type | DO-41 (DO-204AL) |
| ESD Rating | >6kV |
| Zener Voltage Tolerance | ±5% |
| RoHS | Compliant |
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