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1.5KE43A Littelfuse 1.5KE43A is a 1500W TVS diode with 36.8V reverse standoff voltage and 59.3V clamping voltage. It comes in a DO-201 axial leaded package.
Mfr Part #:

1.5KE43A

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse 1.5KE43A is a 1500W TVS diode with 36.8V reverse standoff voltage and 59.3V clamping voltage. It comes in a DO-201 axial leaded package.
✓ Total Stock: 153 pcs

1.5KE43A Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
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153 pcs
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153 pcs On Request 1 On Request On Request On Request On Request On Request
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1.5KE43A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Applications
Automotive Grade
Current
Halogen Free
Industrial Grade
Medical Grade
Military Grade
Mounting Type
Operating Temperature
Package / Case
Power
Power Line Protection
Storage Temperature
Supplier Device Package
Tape & Reel
Type
Unidirectional Channels
Voltage
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1.5KE43A Description

Short technical summary and product information.

The Littelfuse 1.5KE43A is a 1500W transient voltage suppression diode designed to protect sensitive electronics from voltage transients. It features a reverse standoff voltage of 36.8V and a clamping voltage of 59.3V at a peak pulse current of 25.6A. The device is unidirectional with a Zener breakdown mechanism. It is suitable for general purpose applications such as I/O interfaces, VCC bus, and telecom equipment. The diode is housed in a DO-201AA, DO-27, or axial leaded package and supports through-hole mounting. It operates over a temperature range of -55°C to 175°C. The part is RoHS compliant and halogen free as per the datasheet.

1.5KE43A Quick Information

Product Type: TVS Diode
Series: 1.5KE
Canonical Name: Littelfuse 1.5KE43A TVS Diode, 36.8V Reverse Standoff, 59.3V Clamping, DO-201
Subcategory: 1500W TVS Diode

1.5KE43A Compliance

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

1.5KE43A Features

  • 1500W peak pulse power dissipation.
  • 36.8V reverse standoff voltage.
  • 59.3V clamping voltage at 25.6A.
  • Unidirectional Zener TVS diode.
  • DO-201 axial leaded package.

1.5KE43A Applications

  • Protects I/O interfaces and VCC bus.
  • Used in telecom and industrial equipment.
  • Suitable for consumer electronic applications.
  • Ideal for voltage transient protection.

1.5KE43A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the 1.5KE43A?

36.8V

What is the clamping voltage?

59.3V

What is the peak pulse current rating?

25.6A

What package does the 1.5KE43A come in?

DO-201AA, DO-27, Axial

What is the peak pulse power dissipation?

1500W

What is the operating temperature range?

-55°C to 175°C

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