1SMB18CAT3G The On Semiconductor 1SMB18CAT3G is a TVS Diode with an 18V reverse standoff voltage and a 29.2V maximum clamping voltage at 20.5A peak pulse current. It is designed for general purpose applications.
Mfr Part #:

1SMB18CAT3G

Available from 3 distributors
Mfr Name: On Semiconductor
On Semiconductor
The On Semiconductor 1SMB18CAT3G is a TVS Diode with an 18V reverse standoff voltage and a 29.2V maximum clamping voltage at 20.5A peak pulse current. It is designed for general purpose applications.
✓ Total Stock: 1,307 pcs
$ Price Range: $0.99

1SMB18CAT3G Available from 3 distributors

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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1,015 pcs
1015 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
162 pcs
162 pcs On Request 1 On Request On Request On Request On Request On Request
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130 pcs
130 pcs On Request 1 On Request On Request 20+ On Request On Request

1SMB18CAT3G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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1SMB18CAT3G Description

Short technical summary and product information.

The 1SMB18CAT3G from On Semiconductor is a Transient Voltage Suppressor (TVS) Diode designed for general-purpose protection applications. It features a reverse standoff voltage of 18V and a breakdown voltage of 20V. The device can clamp voltage up to 29.2V at a peak pulse current of 20.5A (10/1000µs), with a peak pulse power rating of 600W.

 

This TVS diode operates within a temperature range of -65°C to 150°C. It has a capacitance of 465pF at 1MHz. The 1SMB18CAT3G is housed in a surface mount SMB package (DO-214AA).

 

It is suitable for various general-purpose applications requiring transient voltage suppression. The bidirectional Zener type design offers protection against overvoltage transients.

1SMB18CAT3G Quick Information

Product Type: TVS Diode
Series: 1SMB
Canonical Name: 1SMB18CAT3G Transient Voltage Suppressor Diode
Subcategory: TVS Diodes

1SMB18CAT3G Compliance

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

1SMB18CAT3G Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

1SMB18CAT3G Features

  • 18V reverse standoff voltage.
  • 29.2V maximum clamping voltage.
  • 20.5A peak pulse current.
  • 600W peak pulse power.
  • Surface mount SMB package.

1SMB18CAT3G Applications

  • Protects sensitive electronics from voltage transients.
  • Suitable for general-purpose circuit protection.
  • Used in surface-mount PCB designs for TVS.
  • Ideal for 18V rail clamping applications.

1SMB18CAT3G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the 1SMB18CAT3G?

18V.

What is the breakdown voltage?

20V minimum.

What is the clamping voltage?

29.2V maximum at 20.5A.

What is the peak pulse current rating?

20.5A (10/1000µs).

What package is this device available in?

Surface mount SMB package (DO-214AA).

What is the peak pulse power rating?

600W.

What is the operating temperature range?

-65°C to 150°C.

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