SZ1SMA16CAT3G SZ1SMA16CAT3G is a 400W automotive Zener TVS diode from Littelfuse. It offers 16V reverse standoff, 26V clamping, and 15.4A peak pulse current in a surface-mount SMA package.
Mfr Part #:

SZ1SMA16CAT3G

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
SZ1SMA16CAT3G is a 400W automotive Zener TVS diode from Littelfuse. It offers 16V reverse standoff, 26V clamping, and 15.4A peak pulse current in a surface-mount SMA package.
Total Stock: 190 pcs
$ Price Range: $0.17 - $0.81

SZ1SMA16CAT3G Available from 1 distributor

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SZ1SMA16CAT3G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Applications
Automotive Grade
Bidirectional Channels
Capacitance @ Frequency
Current
Mounting Type
Operating Temperature
Power
Power Line Protection
Supplier Device Package
Tape & Reel
Type
Voltage
Voltage - Reverse Standoff (Typ)

SZ1SMA16CAT3G Description

Short technical summary and product information.

The SZ1SMA16CAT3G is a bidirectional Zener TVS diode from Littelfuse designed for automotive transient voltage protection. It features a reverse standoff voltage of 16V and a maximum clamping voltage of 26V at 15.4A peak pulse current. With a peak pulse power rating of 400W (10/1000µs), it provides robust protection against voltage spikes in 12V vehicle electrical systems.

 

This device is housed in a DO-214AC (SMA) surface-mount package and supports an operating temperature range of -65°C to 150°C. It exhibits a typical capacitance of 375pF at 1MHz, making it suitable for high-speed data line protection. The diode is not intended for power line protection and is optimized for automotive applications such as engine control units, sensors, and infotainment systems.

 

Its bidirectional configuration allows protection of both positive and negative transients on a single line. The SMA package offers a compact footprint for space-constrained designs, and the surface-mount assembly simplifies automated manufacturing. Compliance with AEC-Q101 (automotive qualification) is typical for this series, though not explicitly verified in the available data.

SZ1SMA16CAT3G Quick Information

Product Type: TVS Diode (Zener)
Series: SZ1SMA
Canonical Name: SZ1SMA16CAT3G - Littelfuse 400W Automotive Zener TVS Diode
Subcategory: Automotive TVS

SZ1SMA16CAT3G Compliance

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

SZ1SMA16CAT3G Estimated Pricing

Qty Low High
1+ $0.81 $0.81
10+ $0.50 $0.50
100+ $0.46 $0.46
500+ $0.36 $0.36
1,000+ $0.30 $0.30
2,500+ $0.28 $0.28
5,000+ $0.17 $0.17
10,000+ $0.17 $0.17

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

SZ1SMA16CAT3G Features

  • 400W peak pulse power dissipation.
  • Bidirectional Zener TVS protection.
  • Automotive grade application support.
  • Surface mount SMA package.
  • 16V reverse standoff voltage.

SZ1SMA16CAT3G Applications

  • Protects automotive electronics from voltage transients.
  • Ideal for 12V vehicle electrical systems.
  • Used in engine control units and sensors.
  • Suitable for data line protection in infotainment systems.

SZ1SMA16CAT3G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the SZ1SMA16CAT3G?

The reverse standoff voltage is 16V.

What is the clamping voltage of this TVS diode?

The maximum clamping voltage is 26V at 15.4A peak pulse current.

What is the peak pulse current rating?

The peak pulse current is 15.4A (10/1000µs waveform).

What package does the SZ1SMA16CAT3G come in?

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

Is this TVS diode bidirectional?

Yes, it has 1 bidirectional channel.

What is the power rating of the SZ1SMA16CAT3G?

The peak pulse power rating is 400W (10/1000µs).

What is the operating temperature range?

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

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