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1N4742A The Semtech 1N4742A is a unidirectional Zener diode with a nominal Zener voltage of 12V. It features a maximum power dissipation of 1W and a tolerance of 5%.
Mfr Part #:

1N4742A

Available from 1 distributors
Mfr Name: Semtech
Semtech
The Semtech 1N4742A is a unidirectional Zener diode with a nominal Zener voltage of 12V. It features a maximum power dissipation of 1W and a tolerance of 5%.
✓ Total Stock: 500 pcs
$ Price Range: $0.02

1N4742A Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
500 pcs
On Request
500 pcs On Request 1 On Request On Request 10+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

1N4742A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Forward Voltage
Lead Style
Operating Temperature
Tolerance
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1N4742A Description

Short technical summary and product information.

The 1N4742A from Semtech is a glass-passivated junction silicon Zener diode designed for unidirectional operation. 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.

 

This Zener diode is suitable for through-hole mounting and operates within a temperature range of -65°C to 175°C. Its construction ensures reliable performance in various electronic circuits requiring voltage regulation or reference.

 

Key electrical characteristics include a 12V Zener voltage and 1W power dissipation. The through-hole package facilitates easy integration into printed circuit boards for both prototyping and production applications.

1N4742A Quick Information

Product Type: Zener Diode
Canonical Name: 1N4742A Zener Diode
Subcategory: Zener Diode

1N4742A Compliance

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

1N4742A Estimated Pricing

Qty Low High
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.
  • Through hole mounting type.
  • Wide operating temperature range.

1N4742A Applications

  • Voltage regulation in power supplies.
  • Voltage reference in analog circuits.
  • Clamping and protection circuits.
  • General purpose zener diode applications.

1N4742A FAQs

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

The nominal zener voltage is 12V at 21mA.

What is the power dissipation rating of the 1N4742A?

The maximum power dissipation is 1W.

What is the tolerance of the 1N4742A zener voltage?

The tolerance is 5%.

What is the operating temperature range of the 1N4742A?

The operating temperature range is -65°C to 175°C.

What is the forward voltage of the 1N4742A?

The typical forward voltage is 1.2V.

What is the mounting type of the 1N4742A?

The mounting type is through hole.

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