Mfr Part #:

1N749A

The 1N749A is a Zener Diode from Microsemi Corporation. It features a 4.3V Zener voltage and a power dissipation of 480mW.

✓ Total Stock: 9 pcs

$ Price Range: $0.99

1N749A 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	9 pcs On Request	9 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

1N749A Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Microsemi Corporation
Lead Style	Axial
Mounting Type	Through Hole
Power Dissipation	480mW
SVHC Present	Present

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1N749A Description

Short technical summary and product information.

The 1N749A is a Zener Diode manufactured by Microsemi Corporation. This component is designed for voltage regulation applications.

Key electrical specifications include a Zener voltage of 4.3V tested at 20mA, and a maximum power dissipation of 480mW. The operating temperature range for this diode is from -65°C to 175°C.

This device is available in a through-hole mounting package. Its robust construction and wide operating temperature range make it suitable for various electronic circuits requiring stable voltage reference.

Additional specifications such as forward voltage and reverse recovery time are not detailed in the available information but are typically found in Zener diode datasheets.

1N749A Quick Information

Product Type: Zener Diode

Canonical Name: 1N749A Zener Diode

Subcategory: Zener Diode

1N749A Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

1N749A Estimated Pricing

Qty	Low	High
1+	$0.99	$0.99

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

1N749A Features

4.3V nominal Zener voltage.
480mW maximum power dissipation.
Wide -65°C to 175°C operating temperature.
Through-hole mounting package.

1N749A Applications

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

1N749A FAQs

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

What is the Zener voltage of the 1N749A?

4.3V at 20mA test current.

What is the test current for the 1N749A?

20mA.

What is the power dissipation of the 1N749A?

480mW maximum.

What is the operating temperature range?

-65°C to 175°C.

What is the mounting type?

Through Hole.