1N4557B
DIODE ZENER 3.9V 50W TO204ADManufacturer: Microchip Technology
Categories: Single Zener Diodes
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Microchip Technology 1N4557B is a Through Hole Zener Diode with a nominal Zener voltage of 3.9 V and a ±5% tolerance. This component offers a maximum power dissipation of 50 W and features a low impedance of 0.16 Ohms at its test current. The reverse leakage current is specified at 150 µA at 500 mV. The diode is housed in a TO-204AD (TO-3) package, suitable for robust thermal management. It is designed for operation across a wide temperature range of -65°C to 175°C. This device finds application in power supply regulation and voltage clamping circuits within industrial and automotive sectors.
Additional Information
Series: -RoHS Status: RoHS non-compliantManufacturer Lead Time: 35 week(s)Product Status: ActivePackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Tolerance | ±5% |
| Packaging | Bulk |
| Package / Case | TO-204AD |
| Mounting Type | Through Hole |
| Operating Temperature | -65°C ~ 175°C |
| Voltage - Zener (Nom) (Vz) | 3.9 V |
| Impedance (Max) (Zzt) | 0.16 Ohms |
| Supplier Device Package | TO-204AD (TO-3) |
| Power - Max | 50 W |
| Voltage - Forward (Vf) (Max) @ If | 1.5 V @ 10 A |
| Current - Reverse Leakage @ Vr | 150 µA @ 500 mV |