P4KE18A The P4KE18A is a 400W unidirectional TVS diode from Taiwan Semiconductor with a reverse standoff voltage of 15.3V and clamping voltage of 25.5V. It is housed in a through-hole DO-204AL (DO-41) axial package.
Mfr Part #:

P4KE18A

Available from 1 distributors
Mfr Name: Taiwan Semiconductor
Taiwan Semiconductor
The P4KE18A is a 400W unidirectional TVS diode from Taiwan Semiconductor with a reverse standoff voltage of 15.3V and clamping voltage of 25.5V. It is housed in a through-hole DO-204AL (DO-41) axial package.
✓ Total Stock: 510 pcs
$ Price Range: $0.07

P4KE18A Available from 1 distributor

✓ Authorised
✓ Non-Authorised
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510 pcs
510 pcs On Request 1 On Request On Request On Request On Request On Request

P4KE18A 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
Lead Style
Medical Grade
Military Grade
Mounting Type
Operating Temperature
Power
Power Line Protection
Storage Temperature
Supplier Device Package
Type
Unidirectional Channels
Voltage

P4KE18A Description

Short technical summary and product information.

The P4KE18A is a 400W unidirectional transient voltage suppression (TVS) diode manufactured by Taiwan Semiconductor. It is designed to protect sensitive electronic equipment from voltage transients induced by lightning, ESD, and other surge events.

 

Key electrical specifications include a reverse standoff voltage (Vrwm) of 15.3V, a breakdown voltage (Vbr) of 18V, and a clamping voltage (Vc) of 25.5V at a peak pulse current (Ipp) of 16.5A. The device can handle 400W of peak pulse power dissipation (Ppp) under a 10/1000μs waveform.

 

The P4KE18A is a general-purpose protection device suitable for use in a wide range of applications. It features a through-hole mounting type and is packaged in a DO-204AL (DO-41) axial leaded package. The operating temperature range is -55°C to 175°C.

P4KE18A Quick Information

Product Type: TVS Diode
Series: P4KE
Canonical Name: Taiwan Semiconductor P4KE18A TVS Diode
Subcategory: Unidirectional TVS Diode

P4KE18A Compliance

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

P4KE18A Estimated Pricing

Qty Low High
5,000+ $0.07 $0.07

Estimated market price range - modelled values for guidance only, not live distributor offers.

P4KE18A Features

  • 400W peak pulse power dissipation.
  • 15.3V reverse standoff voltage.
  • 18V breakdown voltage.
  • 25.5V clamping voltage.
  • Through-hole DO-204AL (DO-41) package.

P4KE18A Applications

  • Protects sensitive electronics from voltage transients.
  • Suitable for general-purpose circuit protection.
  • Ideal for use in telecom and industrial equipment.

P4KE18A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the P4KE18A?

The reverse standoff voltage (Vrwm) is 15.3V.

What is the breakdown voltage of the P4KE18A?

The breakdown voltage (Vbr) is 18V.

What is the clamping voltage of the P4KE18A?

The clamping voltage (Vc) is 25.5V.

What is the peak pulse current rating of the P4KE18A?

The peak pulse current (Ipp) is 16.5A.

What package does the P4KE18A come in?

The P4KE18A is available in a DO-204AL (DO-41) axial leaded through-hole package.

What is the peak pulse power dissipation of the P4KE18A?

The peak pulse power dissipation (Ppp) is 400W.

What is the operating temperature range for the P4KE18A?

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

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