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1.5SMC220A-E3/9AT 1.5SMC220A-E3/9AT is a unidirectional TVS diode from Vishay General Semiconductor, with 185V standoff voltage, 328V clamping voltage, and 1500W peak pulse power.
Mfr Part #:

1.5SMC220A-E3/9AT

Available from 2 distributors
Mfr Name: Vishay
Vishay
1.5SMC220A-E3/9AT is a unidirectional TVS diode from Vishay General Semiconductor, with 185V standoff voltage, 328V clamping voltage, and 1500W peak pulse power.
✓ Total Stock: 4,500 pcs

1.5SMC220A-E3/9AT Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Risen Electronics ✓
Non-Authorised Inventory information
3,500 pcs
On Request
3500 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Braun Electronic Components ✓
Non-Authorised Inventory information
1,000 pcs
On Request
1000 pcs On Request 1 On Request On Request On Request On Request On Request
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1.5SMC220A-E3/9AT Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Automotive Grade
Current
Industrial Grade
Mounting Type
Operating Temperature
Package / Case
Peak Forward Surge Current
Power
Power Line Protection
Storage Temperature
Supplier Device Package
Tape & Reel
Termination Style
Type
Unidirectional Channels
Voltage
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1.5SMC220A-E3/9AT Description

Short technical summary and product information.

The 1.5SMC220A-E3/9AT is a surface-mount unidirectional Transient Voltage Suppressor (TVS) diode from Vishay General Semiconductor's 1.5SMC series. It provides 1500W of peak pulse power capability with a 10/1000µs waveform, making it suitable for protecting sensitive electronics from voltage transients caused by inductive load switching and lightning. The device has a standoff voltage of 185V, a breakdown voltage of 220V, and a clamping voltage of 328V. It features a glass passivated chip junction for reliable performance and very fast response time for transient suppression. Housed in a standard SMC (DO-214AB) package, it is designed for automated surface-mount assembly and is RoHS compliant.

1.5SMC220A-E3/9AT Quick Information

Product Type: TVS Diode
Series: 1.5SMC
Canonical Name: 1.5SMC220A-E3/9AT Vishay General Semiconductor - Diodes Division TVS Diode
Subcategory: Unidirectional TVS Diode

1.5SMC220A-E3/9AT Compliance

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

1.5SMC220A-E3/9AT Features

  • 1500W peak pulse power capability.
  • 185V standoff, 328V clamping voltage.
  • Unidirectional Zener TVS diode.
  • Surface-mount in SMC (DO-214AB) package.
  • RoHS compliant and MSL 1 rated.

1.5SMC220A-E3/9AT Applications

  • Protects sensitive electronics from inductive load switching transients.
  • Used in lightning surge protection for signal lines.
  • Suitable for consumer, computer, and industrial applications.

1.5SMC220A-E3/9AT FAQs

5 frequently asked questions generated from this part’s specifications.
What is the standoff voltage of the 1.5SMC220A-E3/9AT?

The standoff voltage (VWM) is 185V.

What is the breakdown voltage and clamping voltage?

The breakdown voltage (VBR) is 220V, and the clamping voltage is 328V.

What is the peak pulse power rating?

The peak pulse power is 1500W (1.5kW) for a 10/1000µs waveform.

What package is the 1.5SMC220A-E3/9AT available in?

It is available in the SMC (DO-214AB) surface-mount package.

Is this diode unidirectional or bidirectional?

It is a unidirectional TVS diode.

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