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1SMB33AT3 Unidirectional 600W TVS diode with 33V working peak reverse voltage and 53.3V clamping voltage. Surface mount SMB (DO-214AA) package.
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1SMB33AT3

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
Unidirectional 600W TVS diode with 33V working peak reverse voltage and 53.3V clamping voltage. Surface mount SMB (DO-214AA) package.
✓ Total Stock: 465 pcs

1SMB33AT3 Available from 1 distributor

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465 pcs
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1SMB33AT3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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1SMB33AT3 Description

Short technical summary and product information.

The 1SMB33AT3 is a unidirectional transient voltage suppressor (TVS) diode from ON Semiconductor's 1SMB5.0AT3 series. It is designed to protect sensitive electronic circuits from high voltage, high energy transients. The device features a working peak reverse voltage of 33V and a typical breakdown voltage of 36.8V. With a peak power dissipation of 600W (1ms pulse) and a maximum clamping voltage of 53.3V at peak pulse current, it provides robust transient protection.

 

This TVS diode offers a fast response time of typically less than 1ns and an ESD rating of Class 3 (>16kV) per the Human Body Model. Reverse leakage current is less than 5µA above 10V. The device is housed in a surface mount SMB (DO-214AA) package with modified L-bend leads, suitable for automated assembly. Operating temperature range is -65°C to +150°C.

 

Typical applications include communication systems, automotive electronics, numerical controls, process controls, medical equipment, business machines, and power supplies. The part is UL 497B recognized for isolated loop circuit protection. Pb-free package options are available.

1SMB33AT3 Quick Information

Product Type: TVS Diode
Series: 1SMB5.0AT3 Series
Canonical Name: 1SMB33AT3 Unidirectional 600W TVS Diode
Subcategory: Unidirectional TVS Diode

1SMB33AT3 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Pb-Free packages available

1SMB33AT3 Features

  • 33V working peak reverse voltage.
  • 600W peak power dissipation at 1ms.
  • Fast response time typically less than 1ns.
  • ESD rating Class 3 (>16kV) per HBM.
  • Surface mount SMB (DO-214AA) package.

1SMB33AT3 Applications

  • Used in communication system transient protection.
  • Ideal for automotive electronic control modules.
  • Protects power supplies from voltage surges.
  • Suitable for medical equipment protection circuits.

1SMB33AT3 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the working peak reverse voltage of the 1SMB33AT3?

33 V.

What is the breakdown voltage of the 1SMB33AT3?

36.8 V (typical).

What is the clamping voltage of the 1SMB33AT3?

53.3 V (maximum at peak pulse current).

What is the peak power dissipation of the 1SMB33AT3?

600 W (1 ms pulse width, TL = 25°C).

What package does the 1SMB33AT3 come in?

SMB (DO-214AA) surface mount package.

What is the operating temperature range of the 1SMB33AT3?

-65°C to +150°C.

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