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1N4747ATR 1N4747ATR is a 20V Zener diode from On Semiconductor rated for 1W power dissipation in a DO-41 through-hole package.
Mfr Part #:

1N4747ATR

Available from 4 distributors
Mfr Name: On Semiconductor
On Semiconductor
1N4747ATR is a 20V Zener diode from On Semiconductor rated for 1W power dissipation in a DO-41 through-hole package.
Total Stock: 52,889 pcs

1N4747ATR Available from 4 distributors

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1N4747ATR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Current - Reverse Leakage @ Vr
Impedance (Max) (Zzt)
Lead Style
Mounting Type
Operating Temperature
Operating Temperature Max
Package / Case
Power
Power Dissipation (Max)
Supplier Device Package
Tape & Reel
Tolerance
Voltage
Voltage - Zener (Nom)
voltage-reverse-leakage

1N4747ATR Description

Short technical summary and product information.

The 1N4747ATR is a 20V Zener diode manufactured by On Semiconductor, designed for voltage regulation and clamping applications. It offers a nominal Zener voltage of 20V with a tolerance of ±5% and a maximum power dissipation of 1W.

 

This device features a maximum impedance of 22Ω at the Zener test current and a reverse leakage current of 5µA at 15.2V. It is housed in a DO-204AL (DO-41) axial leaded package suitable for through-hole mounting.

 

The 1N4747ATR operates over a wide temperature range from -65°C to 200°C, making it suitable for demanding environments. It is commonly used in power supply circuits, voltage reference designs, and overvoltage protection applications.

1N4747ATR Quick Information

Product Type: Zener Diode
Canonical Name: 1N4747ATR Zener Diode 20V 1W DO-41
Subcategory: Single Zener Diode

1N4747ATR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

1N4747ATR Features

  • 20V nominal Zener voltage with ±5% tolerance.
  • 1W maximum power dissipation rating.
  • Through-hole DO-41 axial leaded package.
  • 22Ω maximum Zener impedance at test current.
  • Wide operating temperature range -65°C to 200°C.

1N4747ATR Applications

  • Voltage regulation in low-power DC supplies.
  • Overvoltage protection for sensitive circuits.
  • Voltage reference in analog and mixed-signal designs.
  • Clamping and transient suppression applications.

1N4747ATR FAQs

5 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of the 1N4747ATR?

The nominal Zener voltage is 20V with a tolerance of ±5%.

What is the power dissipation rating of the 1N4747ATR?

The maximum power dissipation is 1W.

What package does the 1N4747ATR come in?

It is available in a DO-204AL (DO-41) axial leaded through-hole package.

What is the reverse leakage current of the 1N4747ATR?

The reverse leakage current is 5µA at 15.2V.

What is the operating temperature range of the 1N4747ATR?

The operating temperature range is -65°C to 200°C.

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