| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
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13 pcs
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13 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The 1N749A is a silicon planar power Zener diode manufactured by Texas Instruments. It offers a nominal Zener voltage of 4.3V with a standard tolerance of ±5%. The diode has a maximum power dissipation of 500mW at 75°C and a maximum forward voltage of 1.2V at 200mA.
This Zener diode is packaged in a DO-35 Glass case and is suitable for through-hole mounting. It operates within a junction temperature range of -65°C to 175°C and has a storage temperature range of -65°C to +150°C. The device is Pb / RoHS Free.
Key electrical characteristics include a typical Zener impedance of 23Ω at 20mA and a maximum reverse leakage current of 2μA at 1V. The maximum DC Zener current is 85mA.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.21 | $1.21 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The nominal Zener voltage for the 1N749A is 4.3V at a test current of 20mA.
The 1N749A has a maximum power dissipation of 500mW when measured at a lead temperature of 75°C.
The 1N749A is supplied in a DO-35 Glass case.
The standard voltage tolerance for the 1N749A is ±5%.
The maximum operating junction temperature for the 1N749A is 175°C.
The 1N749A is listed as RoHS3 Compliant.