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1N4738A-T50R 1N4738A-T50R is a 8.2V zener diode from On Semiconductor with 1W power dissipation, ±5% tolerance, and DO-41 through-hole package.
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1N4738A-T50R

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
1N4738A-T50R is a 8.2V zener diode from On Semiconductor with 1W power dissipation, ±5% tolerance, and DO-41 through-hole package.
✓ Total Stock: 45,000 pcs
$ Price Range: $0.05 - $0.44

1N4738A-T50R Available from 1 distributor

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45,000 pcs
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1N4738A-T50R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Impedance (Max) (Zzt)
Lead Style
Mounting Type
Operating Temperature
Power
Storage Temperature
Supplier Device Package
Tape & Reel
Tolerance
Voltage
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1N4738A-T50R Description

Short technical summary and product information.

The 1N4738A-T50R is a 8.2V zener diode from On Semiconductor designed for voltage regulation and protection applications. It offers a nominal zener voltage of 8.2V with ±5% tolerance and a maximum power dissipation of 1W at lead temperatures up to 50°C with a derating factor of 6.67 mW/°C above 50°C.

 

This device features a maximum zener impedance of 4.5 Ω at test current and 700 Ω at IZK (0.5 mA). The leakage current is limited to 10 µA at 6V reverse voltage. The operating temperature range spans -65°C to 200°C, making it suitable for a wide variety of environments.

 

The 1N4738A-T50R is housed in a DO-204AL / DO-41 axial lead package optimized for through-hole mounting. It is part of the 1N4728A-1N4758A series of 1W zener diodes from On Semiconductor.

1N4738A-T50R Quick Information

Product Type: Zener Diode
Series: 1N4738A
Canonical Name: Zener Diode 8.2V, 1W, DO-41, On Semiconductor
Subcategory: Single Zener Diode

1N4738A-T50R Compliance

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

1N4738A-T50R Estimated Pricing

Qty Low High
1+ $0.44 $0.44
10+ $0.30 $0.30
100+ $0.19 $0.19
500+ $0.12 $0.12
1,000+ $0.11 $0.11
3,000+ $0.09 $0.09
6,000+ $0.08 $0.08
9,000+ $0.07 $0.07
24,000+ $0.05 $0.05

Estimated market price range - modelled values for guidance only, not live distributor offers.

1N4738A-T50R Features

  • 8.2V nominal zener voltage ±5%.
  • 1W power dissipation at 50°C lead.
  • DO-41 through-hole axial package.
  • 4.5 Ω maximum zener impedance.
  • 10 µA maximum leakage current.

1N4738A-T50R Applications

  • Voltage regulation in power supplies.
  • Overvoltage protection circuits.
  • Voltage reference in analog circuits.
  • Clamping and transient suppression.

1N4738A-T50R FAQs

5 frequently asked questions generated from this part’s specifications.
What is the zener voltage of the 1N4738A-T50R?

The nominal zener voltage is 8.2V, with a tolerance of ±5%. The datasheet specifies a range of 7.79V min to 8.61V max.

What is the power dissipation rating of this zener diode?

The maximum power dissipation is 1W at a lead temperature of 50°C or less, with a derating factor of 6.67 mW/°C above 50°C.

What package does the 1N4738A-T50R come in?

It comes in a DO-204AL / DO-41 axial lead through-hole package.

What is the operating temperature range?

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

What is the leakage current of this zener diode?

The maximum leakage current is 10 µA at a reverse voltage of 6V.

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