P4SMA56A P4SMA56A is a 400W unidirectional Zener TVS diode from Littelfuse. It features a 47.8V reverse standoff voltage and 77V clamping voltage in a surface mount DO-214AC (SMA) package.
Mfr Part #:

P4SMA56A

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
P4SMA56A is a 400W unidirectional Zener TVS diode from Littelfuse. It features a 47.8V reverse standoff voltage and 77V clamping voltage in a surface mount DO-214AC (SMA) package.
Total Stock: 19 pcs

P4SMA56A Available from 1 distributor

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P4SMA56A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
Forward Voltage
Halogen Free
Mounting Type
Operating Temperature
Peak Forward Surge Current
Power
Power Line Protection
Response Time
Reverse Standoff Voltage
Storage Temperature Range
Supplier Device Package
Tape & Reel
Thermal Resistance Junction-to-Ambient
Thermal Resistance, Junction to Lead
Type
Unidirectional Channels
Voltage

P4SMA56A Description

Short technical summary and product information.

The P4SMA56A is a 400W peak pulse power unidirectional Zener TVS diode from Littelfuse, designed for protecting sensitive electronic equipment from voltage transients. It offers a reverse standoff voltage of 47.8V and a clamping voltage of 77V at a peak pulse current of 5.3A (10/1000µs waveform).

 

This device features a fast response time of less than 1.0ps from 0V to breakdown voltage, making it suitable for high-speed transient protection. It is rated for a peak forward surge current of 60A (8.3ms single half sine wave) and operates over a junction temperature range of -65°C to 150°C.

 

The P4SMA56A is housed in a surface mount DO-214AC (SMA) package, suitable for compact PCB layouts. It is RoHS3 compliant, halogen-free, and has a moisture sensitivity level (MSL) of 1 (unlimited). The device is ideal for general purpose applications including I/O interfaces, VCC bus, and other vulnerable circuits in telecom, computer, industrial, and consumer electronics.

P4SMA56A Quick Information

Product Type: TVS Diode
Series: P4SMA
Canonical Name: P4SMA56A Littelfuse 400W Zener TVS Diode, DO-214AC (SMA)
Subcategory: Unidirectional TVS Diode

P4SMA56A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Status: Non-Compliant
Lead Free: Pb-Free (E3)

P4SMA56A Features

  • 400W peak pulse power capability.
  • 47.8V reverse standoff voltage.
  • 77V clamping voltage at 5.3A.
  • Fast response time less than 1.0ps.
  • Surface mount DO-214AC (SMA) package.

P4SMA56A Applications

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

P4SMA56A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the P4SMA56A?

The reverse standoff voltage (VRWM) is 47.8V.

What is the clamping voltage of the P4SMA56A?

The clamping voltage (Vc) is 77V.

What is the peak pulse power rating of the P4SMA56A?

The peak pulse power (Ppp) is 400W at 10/1000µs waveform.

What package is the P4SMA56A available in?

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

Is the P4SMA56A RoHS compliant?

Yes, it is RoHS3 compliant and halogen-free.

What is the operating temperature range for the P4SMA56A?

The operating junction temperature range is -65°C to 150°C.

What is the peak pulse current rating of the P4SMA56A?

The peak pulse current (Ipp) is 5.3A.

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