1N4744A 15V 1W Zener Diode
1N4744A 15V 1W Zener Diode
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1N4744A 15V 1W Zener Diode

Rs.5.00
Rs.6.00
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1N4744A 15V 1W Zener Diode
1N4744A 15V 1W Zener Diode
Rs.5.00
Rs.6.00

1N4744A 15V 1W Zener Diode

The 1N4744A Zener Diode from onsemi is a 15 V, 1 W Zener diode designed for precise voltage regulation and reference in electronic circuits. Housed in a DO‑41 glass axial package with hermetically sealed construction, it provides stable performance and long-term reliability. The diode is suitable for use in power supplies, protection circuits, and control systems, supporting both new and existing through‑hole PCB designs. For complete technical information, refer to the official datasheet: 1N4744A Datasheet – ON Semiconductor.

The 1N4744A features a ±5% voltage tolerance around its 15 V nominal voltage, ensuring accurate regulation under varying load conditions. Its low reverse leakage current and controlled impedance allow for effective voltage clipping and regulation. The diode operates reliably across a temperature range of −65 °C to +200 °C, making it suitable for industrial, telecom, and test equipment applications.

The diode’s glass‑sealed DO‑41 package allows for through‑hole mounting and provides protection against environmental factors, supporting long-term operation. It is commonly used in transient suppression, voltage limiting, and general voltage reference tasks where stability and reliability are required.

Key Specs

Specification Value
Nominal Zener Voltage (Vz) 15 V ±5 %
Power Rating 1 W
Test Current (IZT) ~17 mA
Maximum Reverse Leakage ≤ 5 µA @ 11.4 V
Maximum Zener Impedance (Zzt) ~14 Ω
Forward Voltage (Vf) ~1.2 V @ 200 mA
Operating Temperature Range −65 °C to +200 °C
Package DO‑41 Glass Axial
Mounting Type Through‑Hole
Compliance RoHS / Lead‑Free


For more detailed information, please refer to the datasheet: 1N4744A Datasheet – ON Semiconductor.


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