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1N3043B-1

The Microsemi 1N3043B-1 is a silicon unidirectional voltage regulator diode. It features a nominal Zener voltage of 91V and a maximum power dissipation of 1W.

✓ Total Stock: 120 pcs

$ Price Range: $0.99

1N3043B-1 Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Flip Electronics ✓ Non-Authorised Inventory information	120 pcs On Request	120 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

1N3043B-1 Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Microsemi Corporation
Mounting Type	Through Hole
Operating Temperature	-55°C ~ 175°C
SVHC Present	Not Present
Supplier Device Package	DO-204AL (DO-41)

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1N3043B-1 Description

Short technical summary and product information.

The Microsemi 1N3043B-1 is a Zener diode designed for voltage regulation applications. It offers a nominal Zener voltage of 91V and can handle a maximum power dissipation of 1W.

This diode is housed in a DO-41 axial package, making it suitable for through-hole mounting. Key electrical characteristics include a maximum forward voltage of 1.2V at 200mA and a reverse leakage current of 10µA at 69.2V. The operating temperature range is from -55°C to 175°C.

With its specified Zener voltage and power rating, the 1N3043B-1 is intended for use in circuits requiring stable voltage references or regulation.

1N3043B-1 Quick Information

Product Type: Zener Diode

Series: 1N3043B

Canonical Name: Microsemi Corporation 1N3043B-1 Zener Diode

Subcategory: Zener Diode

1N3043B-1 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

1N3043B-1 Estimated Pricing

Qty	Low	High
1+	$0.99	$0.99

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

1N3043B-1 Features

91V nominal Zener voltage rating.
1W maximum power dissipation.
DO-41 axial package for through-hole mounting.
Wide operating temperature range.
Suitable for voltage regulation.

1N3043B-1 Applications

Used for voltage regulation circuits.
Provides stable voltage references.
Suitable for industrial automation.
Component in process automation systems.

1N3043B-1 FAQs

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

What is the nominal Zener voltage of the 1N3043B-1?

91V.

What is the maximum power dissipation?

1W (1000mW).

What is the maximum Zener impedance?

250 Ohms.

What is the forward voltage drop?

1.2V max at 200mA.

What is the reverse leakage current?

10µA at 69.2V.

What is the operating temperature range?

-55°C to 175°C.

What package is the 1N3043B-1 available in?

DO-204AL (DO-41) axial lead package.