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1.5KE550A The 1.5KE550A is a 1500W unidirectional TVS diode from Littelfuse with a standoff voltage of 468V and clamping voltage of 760V. It is housed in a DO-201 axial leaded package.
Mfr Part #:

1.5KE550A

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The 1.5KE550A is a 1500W unidirectional TVS diode from Littelfuse with a standoff voltage of 468V and clamping voltage of 760V. It is housed in a DO-201 axial leaded package.
✓ Total Stock: 11 pcs

1.5KE550A Available from 1 distributor

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11 pcs
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1.5KE550A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Conflict Minerals
Current
Halogen Free
Lead Style
Mounting Type
Number of Channels
Operating Temperature
Operating Temperature Range
Package / Case
Power
Power Line Protection
Response Time
SVHC Present
Storage Temperature
Supplier Device Package
Tape & Reel
Termination Style
Type
Unidirectional Channels
Voltage
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1.5KE550A Description

Short technical summary and product information.

The 1.5KE550A is a 1500W unidirectional Zener TVS diode from Littelfuse, designed to protect sensitive electronic equipment from voltage transients. It features a standoff voltage of 468V and a clamping voltage of 760V, with a peak pulse current rating of 2A under 10/1000μs waveform.

 

This TVS diode offers fast response time of less than 1.0ps from 0V to breakdown voltage, and excellent clamping capability. It is rated for ESD protection up to 30kV air and contact discharge per IEC 61000-4-2. The device has a glass passivated chip junction for reliability and low incremental surge resistance.

 

The 1.5KE550A is available in a DO-201AA, DO-27, or Axial package, with through-hole mounting. It has an operating temperature range of -55°C to 175°C. Thermal resistance is 15°C/W junction-to-lead and 75°C/W junction-to-ambient.

 

Typical applications include general purpose protection of I/O interfaces, VCC bus, and other vulnerable circuits in telecom, computer, industrial, and consumer electronics.

1.5KE550A Quick Information

Product Type: TVS Diode
Series: 1.5KE
Canonical Name: 1.5KE550A TVS Diode, 468V Standoff, 760V Clamp, DO-201 Package
Subcategory: TVS Diodes

1.5KE550A Compliance

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

1.5KE550A Features

  • 1500W peak pulse power dissipation.
  • 468V reverse standoff voltage.
  • 760V clamping voltage.
  • Fast response time <1.0ps.
  • DO-201 axial leaded package.

1.5KE550A Applications

  • Protect I/O interfaces from transients.
  • Suitable for VCC bus protection.
  • Used in telecom and industrial equipment.
  • Ideal for consumer electronics applications.

1.5KE550A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the 1.5KE550A?

The reverse standoff voltage (VRWM) is 468V.

What is the maximum clamping voltage of the 1.5KE550A?

The maximum clamping voltage is 760V.

What is the peak pulse current rating of the 1.5KE550A?

The peak pulse current (IPP) is 2A for a 10/1000μs waveform.

What package is the 1.5KE550A available in?

It is available in DO-201AA, DO-27, and Axial packages.

What is the peak pulse power dissipation of the 1.5KE550A?

The peak pulse power dissipation (PPPM) is 1500W.

Is the 1.5KE550A unidirectional or bidirectional?

It is a unidirectional TVS diode.

What is the ESD rating of the 1.5KE550A?

It is rated for 30kV air discharge and 30kV contact discharge per IEC 61000-4-2.

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