A Zener diode works like a normal diode in the FORWARD direction, but when voltage is applied in the REVERSE direction it does something really useful. At a specified reverse voltage, it starts to conduct. In other words, if you apply, say 12V (for a 12V Zener) across the diode it will start to conduct current. When the Zener starts to draw current this has the effect of regulating the positive (+) voltage. Jaycar carries a range of Zener diodes from 3.3V to 75V.
Features:
| Voltage | Type | Power (W) |
9V1 | 1N4739 | 1 |
Power Dissipation:1.0 W
Derate above 50°C:6.67 mW/°C
Storage Temperature Range:-65.0 °C
Operating Junction Temperate:200.0 °C
Thermal resistance junction to lead:53.5 °C/W
Thermal resistance junction to ambient:100.0 °C/W
Lead temperature (1/16" from case for 10 seconds):230.0 °C
Surge power:10.0 W
Dialectric Breakdown Voltage:9.1 V
9.1V 1N4739 1 Watt Zener Diode
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$0.65
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