Mfr Part #:

1N4740A

Mfr Name: Semtech

The Semtech 1N4740A is a Zener diode with a nominal voltage of 10V and a power rating of 1W. It features a ±5% tolerance and is designed for through-hole mounting.

✓ Total Stock: 5,391 pcs

$ Price Range: $0.99

1N4740A Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Optech Co.,Limited ✓ Non-Authorised Inventory information	5,391 pcs On Request	5391 pcs	On Request	1	On Request	On Request	24+	On Request	On Request

1N4740A Specifications Quick View

Most important parameters for selection – full specs in datasheet.

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Category	New Products
Manufacturer Name	Semtech
Forward Voltage	1.2 V @ 200 mA
Mounting Type	Through Hole
Operating Temperature	-65°C ~ 200°C
Supplier Device Package	DO-41G
Tolerance	±5%

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1N4740A Description

Short technical summary and product information.

The Semtech 1N4740A is a Zener diode designed for voltage regulation and circuit protection applications. It offers a nominal Zener voltage of 10V with a tolerance of ±5%, ensuring stable voltage output.

This component has a maximum power dissipation of 1W and a low reverse leakage current of 10 µA at 7.6V. The forward voltage is a maximum of 1.2V at 200mA. The operating temperature range is from -65°C to 200°C.

Packaged in a DO-41G (DO-204AL, DO-41, Axial) case, the 1N4740A is suitable for through-hole mounting. Its robust construction and specified electrical characteristics make it a reliable choice for various electronic designs requiring precise voltage regulation.

1N4740A Quick Information

Product Type: Zener Diode

Canonical Name: 1N4740A Zener Diode

Subcategory: Single Zener Diodes

1N4740A Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

1N4740A Estimated Pricing

Qty	Low	High
1+	$0.99	$0.99

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

1N4740A Features

10V nominal Zener voltage.
1W maximum power dissipation.
±5% voltage tolerance.
Through-hole mounting package.
Wide operating temperature range.

1N4740A Applications

Voltage regulation circuits.
Power supply stabilization.
Reference voltage generation.
Circuit protection applications.

1N4740A FAQs

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

What is the nominal Zener voltage of the 1N4740A?

The nominal Zener voltage is 10V.

What is the power rating of the 1N4740A?

The maximum power dissipation is 1W.

What is the tolerance for the 1N4740A Zener voltage?

The tolerance is ±5%.

What type of package is the 1N4740A in?

It is in a DO-41G package, also known as DO-204AL, DO-41, Axial.

How is the 1N4740A mounted?

It is designed for through-hole mounting.

1N4740A Alternate Parts

Same form/fit/function or matching attribute configuration across different manufacturers.

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1N4752A

Thomson-CSF

The Lumimax Optoelectronic Technology 1N4752A is a Zener Diode with a power rating of 1W and a Zener voltage of 33V. It features a ±5% tolerance and comes in an axial DO-41G package.

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