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P4SMA47A The P4SMA47A is a 400W TVS diode from Littelfuse with a 40.2V reverse standoff voltage and 64.8V clamping voltage. It is housed in a surface mount DO-214AC (SMA) package.
Mfr Part #:

P4SMA47A

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
The P4SMA47A is a 400W TVS diode from Littelfuse with a 40.2V reverse standoff voltage and 64.8V clamping voltage. It is housed in a surface mount DO-214AC (SMA) package.
✓ Total Stock: 46 pcs

P4SMA47A Available from 1 distributor

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✓ Non-Authorised
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Bristol Electronics ✓
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46 pcs
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P4SMA47A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Halogen Free
Mounting Type
Operating Temperature
Peak Forward Surge Current
Power
Power Line Protection
Response Time
Supplier Device Package
Tape & Reel
Type
Unidirectional Channels
Voltage
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P4SMA47A Description

Short technical summary and product information.

The P4SMA47A is a surface-mount transient voltage suppressor (TVS) diode from Littelfuse's P4SMA series. It provides 400W peak pulse power capability (10/1000µs waveform) with a reverse standoff voltage of 40.2V and a clamping voltage of 64.8V at a peak pulse current of 6.3A. The device responds to transients in less than 1.0ps, offering fast protection for sensitive circuits.

 

Designed for general-purpose circuit protection, the P4SMA47A protects I/O interfaces, VCC buses, and other vulnerable circuits in telecom, computer, industrial, and consumer electronic applications. It can withstand peak forward surge currents of 60A (8.3ms) and operates over a junction temperature range of -65°C to 150°C.

 

The diode is packaged in a DO-214AC (SMA) surface mount package with matte tin, lead-free plated terminals. It is RoHS3 compliant, halogen-free, and meets MSL level 1 per J-STD-020. The plastic package is flammability rated V-0 per UL-94.

P4SMA47A Quick Information

Product Type: TVS Diode
Series: P4SMA
Canonical Name: P4SMA47A TVS Diode, 400W, 40.2V Standoff, DO-214AC
Subcategory: TVS Diodes

P4SMA47A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): Level 1 Unlimited
REACH Status: Non-Compliant
Lead Free: Lead-Free

P4SMA47A Features

  • 400W peak pulse power handling.
  • Fast response time less than 1ps.
  • Surface mount DO-214AC package.
  • RoHS3 and halogen-free compliant.
  • Operating temperature -65°C to 150°C.

P4SMA47A Applications

  • Protection for I/O interfaces and VCC bus.
  • Used in telecom and computer circuits.
  • Protects against voltage transients from lightning.
  • Suitable for industrial and consumer electronics.
  • General-purpose circuit protection.

P4SMA47A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the P4SMA47A?

40.2V.

What is the clamping voltage of the P4SMA47A?

64.8V.

What is the peak pulse current rating of the P4SMA47A?

6.3A.

What package is the P4SMA47A available in?

DO-214AC (SMA) surface mount package.

What is the peak pulse power rating of the P4SMA47A?

400W.

What is the response time of the P4SMA47A?

Less than 1.0ps.

Is the P4SMA47A RoHS compliant?

Yes, it is RoHS3 compliant, halogen-free, and lead-free.

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