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1.5KE15A The 1.5KE15A is a 1500W unidirectional TVS diode from Littelfuse. It features a clamping voltage of 21.2V and is housed in a DO-201 axial package.
Mfr Part #:

1.5KE15A

Available from 2 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The 1.5KE15A is a 1500W unidirectional TVS diode from Littelfuse. It features a clamping voltage of 21.2V and is housed in a DO-201 axial package.
✓ Total Stock: 521 pcs

1.5KE15A Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
302 pcs
On Request
302 pcs On Request 1 On Request On Request On Request On Request On Request
Speed Components Ltd ✓
Non-Authorised Inventory information
219 pcs
On Request
219 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

1.5KE15A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Applications
Automotive Grade
Clamping Voltage
Current
Halogen Free
Industrial Grade
Lead Finish
Medical Grade
Military Grade
Mounting Type
Number of Unidirectional Channels
Operating Temperature
Operating Temperature Range
Package / Case
Package Style
Peak Forward Surge Current
Peak Pulse Current
Peak Pulse Power
Power
Power Line Protection
Response Time
SVHC Present
Steady State Power Dissipation
Supplier Device Package
Supplier Package
Tape & Reel
Technology
Termination Style
Type
Unidirectional Channels
Voltage
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1.5KE15A Description

Short technical summary and product information.

The 1.5KE15A is a unidirectional TVS diode from Littelfuse, part of the 1.5KE series. It is designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient events. With a peak pulse power dissipation of 1500W (10/1000μs waveform) and a clamping voltage of 21.2V, it can handle surge currents up to 71.7A. The device features a fast response time of less than 1ps from 0V to breakdown voltage minimum. It is built with a glass passivated chip junction in a DO-201 (DO-201AA, DO-27) axial leaded package. The operating temperature range is -55°C to 175°C. It is RoHS3 compliant, halogen free, and Pb-free E3. Applications include general purpose protection for I/O interfaces, VCC bus, and other vulnerable circuits in telecom, computer, industrial, and consumer electronics. The device is not intended for power line protection.

1.5KE15A Quick Information

Product Type: TVS Diode
Series: 1.5KE
Canonical Name: 1.5KE15A Littelfuse TVS Diode, Unidirectional, 1500W, 21.2V Clamp, DO-201
Subcategory: Unidirectional TVS Diodes

1.5KE15A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Pb-free E3

1.5KE15A Features

  • 1500W peak pulse power dissipation.
  • 21.2V clamping voltage at 71.7A.
  • Fast response time less than 1ps.
  • Unidirectional, single channel protection.
  • DO-201 axial lead package, through hole mounting.

1.5KE15A Applications

  • Ideal for I/O interface transient protection.
  • Suitable for VCC bus surge protection.
  • Used in telecom and industrial equipment.
  • Provides ESD protection for data lines.

1.5KE15A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the clamping voltage of the 1.5KE15A?

The clamping voltage is 21.2V at peak pulse current.

What is the peak pulse current rating?

The peak pulse current is 71.7A using a 10/1000μs waveform.

What package is the 1.5KE15A available in?

It is available in a DO-201 (DO-201AA, DO-27) axial lead package.

What is the response time of the 1.5KE15A?

The response time is typically less than 1ps from 0V to breakdown voltage minimum.

What is the steady state power dissipation?

The steady state power dissipation is 6.5W on infinite heat sink at TL=75°C.

What is the operating temperature range?

The operating junction temperature range is -55°C to 175°C.

Is the 1.5KE15A unidirectional or bidirectional?

It is a unidirectional TVS diode with 1 channel.

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