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1SMA45AT3G The 1SMA45AT3G is a unidirectional TVS diode from ON Semiconductor with a standoff voltage of 45V and clamping voltage of 72.2V. It is housed in a surface-mount SMA package and rated for 400W peak pulse power.
Mfr Part #:

1SMA45AT3G

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The 1SMA45AT3G is a unidirectional TVS diode from ON Semiconductor with a standoff voltage of 45V and clamping voltage of 72.2V. It is housed in a surface-mount SMA package and rated for 400W peak pulse power.
Total Stock: 30,000 pcs

1SMA45AT3G Available from 1 distributors

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1SMA45AT3G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Capacitance @ Frequency
Clamping Voltage (V_C)
Current
Lead Spacing
Lead Style
Mounting Type
Operating Temperature
Package / Case
Peak Pulse Current (I_PP)
Peak Pulse Power (P_PP)
Power
Power Line Protection
Standoff Voltage (V_RWM)
Storage Temperature
Supplier Device Package
Type
Unidirectional Channels
Voltage

1SMA45AT3G Description

Short technical summary and product information.

The 1SMA45AT3G is a unidirectional TVS (Transient Voltage Suppression) diode designed by ON Semiconductor for general purpose circuit protection. It provides protection against voltage transients by clamping excessive voltages to a safe level.

 

This device features a standoff voltage (V_RWM) of 45V and a clamping voltage (V_C) of 72.2V at a peak pulse current (I_PP) of 5.5A. It can handle a peak pulse power (P_PP) of 400W. The diode has a capacitance of 280pF at 1MHz and is not intended for power line protection.

 

The 1SMA45AT3G is offered in a DO-214AC (SMA) surface-mount package, making it suitable for automated assembly. It operates over a junction temperature range of -65°C to 150°C.

1SMA45AT3G Quick Information

Product Type: TVS Diode
Series: SMA
Canonical Name: 1SMA45AT3G - TVS Diode, 45V Standoff, 72.2V Clamp, 400W, SMA
Subcategory: TVS Diode

1SMA45AT3G Compliance

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

1SMA45AT3G Features

  • Unidirectional TVS diode for transient protection.
  • 45V standoff voltage with 72.2V clamping.
  • 400W peak pulse power handling.
  • Surface-mount SMA package for automated assembly.

1SMA45AT3G Applications

  • General purpose transient voltage suppression.
  • Protection for unidirectional voltage transients.
  • Used in consumer and industrial electronics.

1SMA45AT3G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the standoff voltage of the 1SMA45AT3G?

The standoff voltage (V_RWM) is 45V.

What is the clamping voltage of the 1SMA45AT3G?

The clamping voltage (V_C) is 72.2V.

What is the peak pulse current rating?

The peak pulse current (I_PP) is 5.5A.

What package is the 1SMA45AT3G available in?

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

What is the peak pulse power rating?

The peak pulse power (P_PP) is 400W.

Is the 1SMA45AT3G RoHS compliant?

Yes, it is RoHS3 compliant.

What is the operating temperature range?

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

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