Mfr Part #:

1N4742A

Available from 1 distributors

Mfr Name: QPL

The 1N4742A is a Zener Diode manufactured by QPL. It features a 12V Zener Voltage and 1W Max Power Dissipation.

✓ Total Stock: 70 pcs

$ Price Range: $0.99

1N4742A Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Speed Components Ltd ✓ Non-Authorised Inventory information	70 pcs On Request	70 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

1N4742A Specifications Quick View

Most important parameters for selection – full specs in datasheet.

SELECT ALL

Category	New Products
Manufacturer Name	QPL
Forward Voltage	1.2V
Lead Style	Axial
Mounting Type	Through Hole
Storage Temperature	-65°C ~ 200°C
Tolerance	5%

View Similar Products (0)

1N4742A Description

Short technical summary and product information.

The 1N4742A is a glass passivated junction silicon Zener diode manufactured by QPL. This unidirectional diode is designed for through-hole mounting and features a nominal Zener voltage of 12V with a tolerance of 5%.

Key electrical specifications include a Zener current of 21mA and a maximum power dissipation of 1W. The forward voltage is rated at 1.2V. The operating temperature range for this component is from -65°C to 175°C.

This component is suitable for various voltage regulation applications where a stable 12V reference is required. Its through-hole package facilitates easy integration into circuit boards.

1N4742A Quick Information

Product Type: Zener Diode

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

Qty	Low	High
1+	$0.99	$0.99

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

1N4742A Features

Nominal Zener voltage of 12V.
Maximum power dissipation of 1W.
Tolerance of 5%.
Operates from -65°C to 175°C.
Through Hole mounting type.

1N4742A Applications

Voltage regulation in low-power circuits.
Overvoltage protection for sensitive components.
Voltage reference for analog circuits.
Clamping in DC power supplies.

1N4742A FAQs

6 frequently asked questions generated from this part’s specifications.

What is the Zener voltage of the 1N4742A?

The Zener voltage is 12V nominal.

What is the power dissipation of the 1N4742A?

The maximum power dissipation is 1W.

What is the tolerance of the 1N4742A?

The tolerance is 5%.

What is the operating temperature range?

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

What is the forward voltage of the 1N4742A?

The forward voltage is 1.2V.

What is the mounting type for the 1N4742A?

The mounting type is through-hole.