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ONSEMI 1N4728ATR Voltage Regulation Diode

This high-reliability Zener diode features precise voltage regulation, tolerance of 5%, and robust glass DO-41 packaging, making it ideal for voltage stabilization in electronic circuits. It operates within a temperature range of -65°C to +200°C and provides a maximum power dissipation of 1.0 W with a lead length of 3/8 inch. The device comes with marked cathode band for polarity identification and offers a low leakage current, ensuring stable performance under transient conditions, suited for power supply regulation and circuit protection applications.

Authorized Distributors
Source:Newark
Part No:1N4728ATR
Stock:852
Inv Date:06-10-2026
Price: Unit price: $0.175
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Source:DigiKey
Part No:1N4728A-TR
Stock:25000
Inv Date:06-10-2026
Price: Unit price: $0.17174
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Source:DigiKey
Part No:1N4728AT/R
Stock:10000
Inv Date:06-10-2026
Price: Unit price: $0.05
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Source:DigiKey
Part No:1N4728ATR
Stock:30742
Inv Date:06-10-2026
Price: Unit price: $0.28
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Source:DigiKey
Part No:1N4728ATR
Stock:406900
Inv Date:06-10-2026
Price: Unit price: $0.1
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Part No:1N4728A-TR
Stock:27756
Inv Date:06-11-2026
Price: Unit price: $0.48
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Part No:1N4728ATR
Stock:17873
Inv Date:06-11-2026
Price: Unit price: $0.28
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Part No:1N4728A T/R
Stock:0
Inv Date:06-11-2026
Price: N/A
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Part No:1N4728A-TR
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.16
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Authorized Distributors
Part No:1N4728A-T/R
Stock:2910
Inv Date:06-10-2026
Price: Unit price: $0.98
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Part No:1N4728ATR
Stock:27000
Inv Date:06-10-2026
Price: Unit price: $0.0417
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Part No:1N4728A-TR
Stock:4778
Inv Date:06-11-2026
Price: N/A
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Part No:1N4728ATR
Stock:12000
Inv Date:06-11-2026
Price: N/A
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ONSEMI 1N4728ATR Voltage Regulation Diode Specifications:

  • Package Type: DO-41 Glass case
  • Tolerance: ±5%
  • Power Dissipation: 1.0 W at TL< 50°C, Derate above 50°C by 6.67 mW/°C
  • Maximum Operating and Storage Temperature Range: -65°C to +200°C
  • Zener Voltage Range: 3.135V to 52.6V
  • Maximum Zener Impedance: 76Ω at 9V, Peak Reverse Current: 10mA, IR Max: 1380μA
  • Leakage Current: Low at specified test conditions
  • Lead Length: 3/8 inch
  • Markings: Color band indicates cathode, device marked with logo and device ID
  • Maximum Power: 1.0 W
  • Surge Power: Up to 1.0 W peak reverse power
  • Temperature Coefficient: Typical, varies with voltage
  • Application: Voltage regulation, transient suppression, circuit protection

Buy the Fairchild Series Zener Diodes: 1N4728ATR

Purchase the Fairchild 1N4728ATR Zener diode online for reliable voltage regulation and circuit protection. Designed with a durable glass package, it offers a tolerance of 5% and up to 1.0 W power dissipation. Operating from -65°C to +200°C, this diode is ideal for power supplies, transient suppression, and electronic circuit stabilization. Easy to identify with its colored cathode band, ensuring correct polarity. Order now for long-lasting, precise performance in your electronic projects and manufacturing needs.

Get Fairchild 1N4728ATR today—built for precision and long-lasting durability in voltage regulation and circuit protection.

Frequently Asked Questions

Where can I buy ONSEMI 1N4728ATR?

You can click on the BUY or RFQ button to purchase 1N4728ATR from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part 1N4728ATR?

You can download the 1N4728ATR datasheet or visit the ONSEMI website for support.

Who is the manufacturer of 1N4728ATR?

ONSEMI

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