1.5KE51ARL4 1.5KE51ARL4 is a unidirectional TVS diode from On Semiconductor. It offers 1500W peak power dissipation and 70.1V clamping voltage in a DO-201AD axial package.
Mfr Part #:

1.5KE51ARL4

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
1.5KE51ARL4 is a unidirectional TVS diode from On Semiconductor. It offers 1500W peak power dissipation and 70.1V clamping voltage in a DO-201AD axial package.
Total Stock: 20 pcs

1.5KE51ARL4 Available from 1 distributor

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1.5KE51ARL4 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
ESD Rating
Lead Style
Leakage Current
Maximum Lead Temperature for Soldering
Mounting Type
Operating Temperature
Power
Power Line Protection
Response Time
Supplier Device Package
Tape & Reel
Termination Style
Type
UL Standard
Unidirectional Channels
Voltage

1.5KE51ARL4 Description

Short technical summary and product information.

The 1.5KE51ARL4 is a unidirectional Zener TVS diode from On Semiconductor, part of the Mosorb series. It is designed to protect sensitive electronic components from high-voltage, high-energy transients with a peak power dissipation of 1500W. The device features a clamping voltage of 70.1V at a peak pulse current of 21.4A, ensuring robust surge protection.

 

The device offers an ESD rating of Class 3 (>16 kV) per the Human Body Model and a response time of typically less than 1 ns. It is UL 497B recognized for isolated loop circuit protection. The operating temperature range spans from -65°C to 175°C, making it suitable for harsh environments.

 

The 1.5KE51ARL4 is housed in a DO-201AD axial package, which is void-free, transfer-molded, and thermosetting plastic. The leads are corrosion-resistant and readily solderable, with a maximum lead temperature of 260°C for 10 seconds. Mounting is through-hole, and the cathode is indicated by a polarity band.

 

This TVS diode is ideal for general-purpose transient protection in applications such as communication systems, numerical controls, process controls, medical equipment, business machines, and power supplies. It provides reliable protection for CMOS, MOS, and bipolar integrated circuits.

1.5KE51ARL4 Quick Information

Product Type: TVS Diode
Series: 1.5KE51A
Canonical Name: 1.5KE51ARL4 TVS Diode, Unidirectional, 1500W, DO-201AD Axial
Subcategory: Zener TVS Diode

1.5KE51ARL4 Compliance

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

1.5KE51ARL4 Features

  • 1500W peak power dissipation capacity.
  • 70.1V clamping voltage at 21.4A peak pulse current.
  • ESD rating >16 kV per Human Body Model.
  • Response time typically less than 1 ns.
  • UL 497B recognized for isolated loop circuit protection.

1.5KE51ARL4 Applications

  • Protects communication systems from voltage transients.
  • Used in numerical control and process control equipment.
  • Ideal for power supply and medical device protection.
  • Safeguards CMOS, MOS, and bipolar integrated circuits.

1.5KE51ARL4 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the clamping voltage of the 1.5KE51ARL4?

The clamping voltage is 70.1 V.

What is the peak pulse current rating?

The peak pulse current is 21.4 A.

What is the package type?

The package is DO-201AD, Axial (through-hole).

What is the ESD rating?

The ESD rating is Class 3 (>16 kV) per Human Body Model.

What is the response time?

The response time is typically less than 1 ns.

What is the operating temperature range?

The operating temperature range is -65°C to 175°C.

Is the device UL recognized?

Yes, it is UL 497B recognized for isolated loop circuit protection.

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