SZ1SMB24CAT3G Littelfuse SZ1SMB24CAT3G is a 600W bidirectional Zener TVS diode with 24V reverse standoff voltage and 38.9V clamping voltage, designed for automotive applications.
Mfr Part #:

SZ1SMB24CAT3G

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse SZ1SMB24CAT3G is a 600W bidirectional Zener TVS diode with 24V reverse standoff voltage and 38.9V clamping voltage, designed for automotive applications.
Total Stock: 5,000 pcs
$ Price Range: $0.15 - $0.87

SZ1SMB24CAT3G Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
5,000 pcs
5000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16

SZ1SMB24CAT3G 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
Reverse Standoff Voltage
Supplier Device Package
Type
Voltage

SZ1SMB24CAT3G Description

Short technical summary and product information.

The Littelfuse SZ1SMB24CAT3G is a bidirectional Zener TVS diode designed to protect sensitive electronic circuits from voltage transients. It features a reverse standoff voltage of 24V and a maximum clamping voltage of 38.9V, ensuring robust protection for automotive electronics.

 

With a peak pulse power rating of 600W and a peak pulse current of 15.4A, this diode can handle significant surge events. The typical capacitance of 366pF at 1MHz makes it suitable for high-speed signal lines where low loading is required.

 

This component is surface mount packaged in a DO-214AA (SMB) case, with an operating temperature range of -65°C to 150°C. It is specifically rated for automotive applications, meeting the reliability demands of vehicle electronics.

SZ1SMB24CAT3G Quick Information

Product Type: TVS Diode
Series: SZ1SMB
Canonical Name: Littelfuse SZ1SMB24CAT3G Automotive 600W Bidirectional Zener TVS Diode
Subcategory: Bidirectional Zener TVS

SZ1SMB24CAT3G Compliance

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

SZ1SMB24CAT3G Estimated Pricing

Qty Low High
1+ $0.87 $0.87
10+ $0.54 $0.54
100+ $0.35 $0.35
500+ $0.27 $0.27
1,000+ $0.24 $0.24
2,500+ $0.18 $0.18
5,000+ $0.16 $0.16
7,500+ $0.15 $0.15
12,500+ $0.15 $0.15

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

SZ1SMB24CAT3G Features

  • 600W peak pulse power dissipation.
  • 24V reverse standoff voltage rating.
  • 38.9V maximum clamping voltage.
  • Bidirectional Zener TVS protection.
  • Automotive grade operating temperature range.

SZ1SMB24CAT3G Applications

  • Protects automotive ECU power lines.
  • Safeguards sensor inputs from transients.
  • Used in infotainment system interfaces.
  • Clamps voltage spikes on data lines.

SZ1SMB24CAT3G FAQs

6 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the SZ1SMB24CAT3G?

The reverse standoff voltage is 24V.

What is the clamping voltage of this TVS diode?

The maximum clamping voltage is 38.9V.

What is the peak pulse current rating?

The maximum peak pulse current is 15.4A.

What package does the SZ1SMB24CAT3G come in?

It comes in a DO-214AA (SMB) surface mount package.

Is this TVS diode bidirectional?

Yes, it has 1 bidirectional channel.

What is the operating temperature range?

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

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