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1SMB20CAT3G The 1SMB20CAT3G is a bidirectional TVS diode from ON Semiconductor with a 20V reverse standoff voltage and 600W peak pulse power capability. It comes in a surface-mount SMB package.
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1SMB20CAT3G

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The 1SMB20CAT3G is a bidirectional TVS diode from ON Semiconductor with a 20V reverse standoff voltage and 600W peak pulse power capability. It comes in a surface-mount SMB package.
✓ Total Stock: 5,000 pcs

1SMB20CAT3G Available from 1 distributor

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Components Technology Group, Inc. ✓
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5,000 pcs
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1SMB20CAT3G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Bidirectional Channels
Capacitance
Capacitance @ Frequency
Current
Halogen Free
Mounting Type
Number of Channels
Operating Temperature
Package / Case
Power
Power Line Protection
Supplier Device Package
Tape & Reel
Type
Voltage
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1SMB20CAT3G Description

Short technical summary and product information.

The 1SMB20CAT3G is a bidirectional Zener TVS diode designed for general-purpose transient voltage suppression. It features a reverse standoff voltage of 20V and a clamping voltage of 32.4V at a peak pulse current of 18.5A. The device can handle 600W of peak pulse power (10/1000μs waveform).

 

With a capacitance of 425pF at 1MHz, this TVS diode is suitable for protecting sensitive electronics from voltage transients. It is not intended for power line protection, as indicated by the specifications.

 

The component is housed in a surface-mount DO-214AA (SMB) package, enabling compact PCB designs. It operates over a wide temperature range of -65°C to 150°C (junction). The device is RoHS3 compliant, Pb-free, and halide free per the manufacturer's product change notification.

1SMB20CAT3G Quick Information

Product Type: TVS Diode
Canonical Name: 1SMB20CAT3G TVS Diode, Bidirectional, 20V Standoff, 600W, SMB
Subcategory: Bidirectional Zener TVS

1SMB20CAT3G Compliance

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

1SMB20CAT3G Features

  • 20V reverse standoff voltage rating.
  • 32.4V clamping voltage at 18.5A.
  • 600W peak pulse power capability.
  • Bidirectional Zener TVS protection.
  • Surface-mount SMB package.

1SMB20CAT3G Applications

  • Protect I/O lines from ESD and transients.
  • Used in general-purpose circuit protection.
  • Suitable for portable electronics designs.
  • Ideal for low-voltage DC bus protection.

1SMB20CAT3G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the 1SMB20CAT3G?

The reverse standoff voltage (VRWM) is 20V.

What is the clamping voltage of the 1SMB20CAT3G?

The clamping voltage is 32.4V at the peak pulse current.

What is the peak pulse current rating?

The peak pulse current is 18.5A.

What is the peak pulse power rating?

The peak pulse power is 600W.

What is the capacitance of the 1SMB20CAT3G?

The capacitance is 425pF at 1MHz.

What package does the 1SMB20CAT3G come in?

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

Is the 1SMB20CAT3G unidirectional or bidirectional?

It is a bidirectional TVS diode.

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