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ONSEMI 1N4737ATR Zener Diode

The ONSEMI 1N4737ATR is a standard silicon Zener diode designed for voltage regulation and overvoltage protection in a variety of electronic circuits. It is encapsulated in a DO-41 glass case and features a color band to indicate the cathode. Typical applications include voltage stabilization, surge protection, and reference voltage generation. The device is characterized by its Zener voltage and associated electrical parameters, making it suitable for use in power supplies, regulators, and other sensitive electronic equipment. It is ROHS compliant and currently in active production.

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Part No:1N4737A-TR
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Part No:1N4737ATR
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Part No:1N4737A-TR
Stock:12375
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Source:DigiKey
Part No:1N4737ATR
Stock:6694
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Source:DigiKey
Part No:1N4737ATR
Stock:4000
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Part No:1N4737ATR
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Inv Date:06-11-2026
Price: Unit price: $0.28
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Part No:1N4737A-TR
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Part No:1N4737A-TR
Stock:17792
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Part No:1N4737ATR
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Price: Unit price: $0.0464
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Part No:1N4737ATR
Stock:819
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Part No:1N4737A-TR
Stock:5923
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ONSEMI 1N4737ATR Zener Diode Specifications:

  • Absolute Maximum Ratings Ta=25°C: Power Dissipation @ TL50C, Lead Length = 3/8” : 1.0 W, Derate above 50C: 6.67 mW/C
  • Operating and Storage Temperature Range: -65 to +200 C
  • Electrical Characteristics Ta=25°C: VZ (V) @ IZ (Note 1) Min: 3.465, Typ: 3.9, Max: 4.095, Test Current IZ (mA): 76
  • Max. Zener Impedance: 10 
  • Leakage Current: 1 A
  • Non-Repetitive Peak Reverse Current: 1380 mA
  • Zener Voltage (VZ): Measured with the device junction in thermal equilibrium at the lead temperature (TL) at 30C ± 1C and 3/8” lead length.

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Frequently Asked Questions

Where can I buy ONSEMI 1N4737ATR?

You can click on the BUY or RFQ button to purchase 1N4737ATR from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part 1N4737ATR?

You can download the 1N4737ATR datasheet or visit the ONSEMI website for support.

Who is the manufacturer of 1N4737ATR?

ONSEMI

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