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1N4742A The Vishay Dale 1N4742A is a glass passivated junction silicon Zener diode with a nominal Zener voltage of 12V. It features a maximum power dissipation of 1W and is designed for through-hole mounting.
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1N4742A

Available from 1 distributors
Mfr Name: Vishay
Vishay
The Vishay Dale 1N4742A is a glass passivated junction silicon Zener diode with a nominal Zener voltage of 12V. It features a maximum power dissipation of 1W and is designed for through-hole mounting.
✓ Total Stock: 1,469 pcs
$ Price Range: $0.13

1N4742A Available from 1 distributor

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✓ Non-Authorised
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Braun Electronic Components ✓
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1,469 pcs
$0.13 ℹ
Qty Price
0+ 0.13
1469 pcs $0.13
QtyPrice
0+ 0.13
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1N4742A Specifications Quick View

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1N4742A Description

Short technical summary and product information.

The 1N4742A from Vishay Dale is a unidirectional, glass passivated junction silicon Zener diode. It offers a nominal Zener voltage of 12V at a Zener current of 21mA, with a tolerance of 5%. The diode has a maximum power dissipation rating of 1W and a typical forward voltage of 1.2V.

 

Designed for through-hole mounting, the 1N4742A operates within a temperature range of -65°C to 175°C. Its construction ensures reliable performance in various electronic applications requiring voltage regulation.

 

This Zener diode is suitable for applications where a stable reference voltage is needed. Its robust design and specified electrical characteristics make it a dependable component for circuit designers.

1N4742A Quick Information

Product Type: Zener Diode
Series: 1N4742A
Canonical Name: 1N4742A Glass Passivated Junction Silicon Zener Diode
Subcategory: Zener Diode

1N4742A Compliance

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

1N4742A Estimated Pricing

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1+ $0.02 $0.02

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

1N4742A Features

  • 12V nominal Zener voltage.
  • 1W maximum power dissipation.
  • 5% tolerance for precise regulation.
  • Operates from -65°C to 175°C.
  • Through-hole mounting type.

1N4742A Applications

  • Voltage regulation for 12V power supplies.
  • Overvoltage protection in DC circuits.
  • Reference voltage source for analog circuits.
  • Clamping in low-voltage signal paths.

1N4742A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the Zener voltage of 1N4742A?

12V at 21mA.

What is the maximum power dissipation?

1W.

What is the tolerance of the Zener voltage?

5%.

What is the forward voltage?

1.2V typical.

What is the operating temperature range?

-65°C to 175°C.

What is the mounting type?

Through hole.

How many terminals does the device have?

2.

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