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P4SMA22A Unidirectional TVS diode with 18.8V reverse standoff voltage, 30.6V clamping voltage, and 400W peak pulse power dissipation in a DO-214AC (SMA) surface mount package.
Mfr Part #:

P4SMA22A

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Unidirectional TVS diode with 18.8V reverse standoff voltage, 30.6V clamping voltage, and 400W peak pulse power dissipation in a DO-214AC (SMA) surface mount package.
✓ Total Stock: 10 pcs

P4SMA22A Available from 1 distributor

✓ Authorised
✓ Non-Authorised
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Bristol Electronics ✓
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10 pcs
On Request
10 pcs On Request 1 On Request On Request On Request On Request On Request
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P4SMA22A 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
Medical Grade
Military Grade
Mounting Type
Operating Temperature
Power
Power Line Protection
Storage Temperature
Supplier Device Package
Type
Unidirectional Channels
Voltage
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P4SMA22A Description

Short technical summary and product information.

The P4SMA22A is a unidirectional TVS diode from Littelfuse designed to protect sensitive electronic equipment from voltage transients. It features a reverse standoff voltage of 18.8V and a maximum clamping voltage of 30.6V, with a peak pulse current rating of 13.4A. The device can dissipate 400W of peak pulse power under a 10/1000µs waveform.

 

This TVS diode is housed in a compact DO-214AC (SMA) surface mount package, suitable for automated assembly. It operates over a wide temperature range of -65°C to 150°C. The part is halogen-free and RoHS compliant, with matte tin lead-free plating.

 

Typical applications include general-purpose transient voltage protection for I/O interfaces, VCC bus, and other vulnerable circuits in telecom, computer, industrial, and consumer electronics. The fast response time (typically less than 1.0ps) ensures rapid clamping of transient events.

P4SMA22A Quick Information

Product Type: TVS Diode
Series: P4SMA
Canonical Name: P4SMA22A TVS Diode, Unidirectional, 400W, DO-214AC (SMA)
Subcategory: Unidirectional TVS Diode

P4SMA22A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: No

P4SMA22A Features

  • 400W peak pulse power dissipation.
  • 18.8V reverse standoff voltage.
  • 30.6V clamping voltage at 13.4A.
  • Surface mount DO-214AC (SMA) package.
  • Halogen-free and RoHS compliant.

P4SMA22A Applications

  • Protects I/O interfaces from voltage transients.
  • Suitable for VCC bus protection circuits.
  • Used in telecom and computer equipment.
  • Ideal for industrial and consumer electronics.

P4SMA22A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the P4SMA22A?

The maximum reverse standoff voltage is 18.8V.

What is the clamping voltage of the P4SMA22A?

The maximum clamping voltage is 30.6V.

What is the peak pulse current rating?

The maximum peak pulse current is 13.4A.

What package does the P4SMA22A come in?

It is available in a DO-214AC (SMA) surface mount package.

What is the peak pulse power dissipation?

The peak pulse power dissipation is 400W.

Is the P4SMA22A RoHS compliant?

Yes, the part is RoHS compliant and halogen-free.

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