1.5KE300A 1.5KE300A is a 1500W unidirectional Zener TVS diode from STMicroelectronics. It features a 256V reverse standoff voltage and 529V clamping voltage in a DO-201AA axial package.
Mfr Part #:

1.5KE300A

Available from 4 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
1.5KE300A is a 1500W unidirectional Zener TVS diode from STMicroelectronics. It features a 256V reverse standoff voltage and 529V clamping voltage in a DO-201AA axial package.
Total Stock: 42,747 pcs

1.5KE300A Available from 4 distributors

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1.5KE300A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
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Capacitance
Capacitance @ Frequency
Clamping Voltage
Current
Lead Style
Mounting Type
Package / Case
Peak Pulse Current
Peak Pulse Power
Power
Power Line Protection
Reverse Standoff Voltage
Supplier Device Package
Tape & Reel
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Type
Unidirectional Channels
Voltage

1.5KE300A Description

Short technical summary and product information.

The 1.5KE300A is a unidirectional Zener transient voltage suppression (TVS) diode designed for general purpose circuit protection. Manufactured by STMicroelectronics, this device provides a peak pulse power dissipation of 1500W (1.5kW) under 8/20µs waveform conditions.

 

Key electrical characteristics include a reverse standoff voltage of 256V and a clamping voltage of 529V at a peak pulse current of 19A (8/20µs). The diode exhibits a typical capacitance of 500pF at 1MHz, which is suitable for protecting against voltage transients in various applications.

 

The 1.5KE300A is housed in a DO-201AA (DO-27) through-hole axial leaded package, with the supplier device package designated as DO-201. It is mounted using through-hole technology with axial leads, making it suitable for traditional PCB assembly processes. The device does not include power line protection and is intended for single-channel unidirectional transient suppression.

1.5KE300A Quick Information

Product Type: TVS Diode
Canonical Name: 1.5KE300A Zener TVS Diode, 1500W, Unidirectional, DO-201AA Package
Subcategory: Unidirectional TVS

1.5KE300A Compliance

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

1.5KE300A Features

  • 1500W peak pulse power dissipation.
  • 256V reverse standoff voltage rating.
  • 529V clamping voltage at 19A.
  • Unidirectional Zener TVS protection.
  • DO-201AA through-hole axial package.

1.5KE300A Applications

  • General purpose transient voltage suppression.
  • Protection for power supply rails.
  • Used in industrial control equipment.
  • Suitable for telecommunication line protection.
  • Ideal for automotive electronic modules.

1.5KE300A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the 1.5KE300A?

The reverse standoff voltage is 256V.

What is the clamping voltage of this TVS diode?

The clamping voltage is 529V.

What is the peak pulse power rating of the 1.5KE300A?

The peak pulse power rating is 1500W (1.5kW).

What package does the 1.5KE300A come in?

The device is available in a DO-201AA, DO-27, Axial package with through-hole mounting.

Is the 1.5KE300A unidirectional or bidirectional?

It is a unidirectional TVS diode with 1 channel.

What is the typical capacitance of the 1.5KE300A?

The typical capacitance is 500pF at 1MHz.

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