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1.5SMC300A-M3/9AT TVS diode with 256V reverse standoff voltage, 414V clamping voltage, and 1500W peak pulse power capability. Unidirectional, surface mount in DO-214AB (SMC) package.
Mfr Part #:

1.5SMC300A-M3/9AT

Available from 2 distributors
Mfr Name: Vishay Dale
Vishay Dale
TVS diode with 256V reverse standoff voltage, 414V clamping voltage, and 1500W peak pulse power capability. Unidirectional, surface mount in DO-214AB (SMC) package.
Total Stock: 95,500 pcs

1.5SMC300A-M3/9AT Available from 2 distributors

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
94,500 pcs
94500 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
Non-Authorised Inventory information
1,000 pcs
1000 pcs On Request 1 On Request On Request On Request On Request On Request

1.5SMC300A-M3/9AT Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Applications
Automotive Grade
Clamping Voltage (Vc)
Current
Halogen Free
Industrial Grade
Maximum Junction Temperature
Mounting Type
Number of Unidirectional Channels
Operating Temperature
Operating Temperature Range
Package / Case
Peak Forward Surge Current (Ifsm)
Peak Pulse Current (Ipp)
Peak Pulse Power (Pppm)
Polarity
Power
Power Dissipation (PD)
Power Line Protection
Reverse Standoff Voltage (Vrwm)
SVHC Present
Storage Temperature
Supplier Device Package
Tape & Reel
Termination Style
Type
Unidirectional Channels
Voltage
Zener Type

1.5SMC300A-M3/9AT Description

Short technical summary and product information.

The 1.5SMC300A-M3/9AT is a unidirectional transient voltage suppressor (TVS) diode from Vishay's 1.5SMC series. It features a reverse standoff voltage of 256V and a clamping voltage of 414V at a peak pulse current of 3.6A. With a peak pulse power rating of 1500W (10/1000μs waveform), it provides robust protection against voltage transients.

 

This device is designed for general purpose transient protection in sensitive electronics, including consumer, computer, industrial, and telecommunication applications. It offers very fast response time, low incremental surge resistance, and a glass passivated chip junction for reliability.

 

The 1.5SMC300A-M3/9AT is housed in a surface mount DO-214AB (SMC) package with matte tin plated terminals. It operates over a temperature range of -65°C to 150°C and has a maximum junction temperature of 150°C. The device is RoHS3 compliant and halogen-free, with an MSL rating of 1 (unlimited).

1.5SMC300A-M3/9AT Quick Information

Product Type: TVS Diode
Series: 1.5SMC
Canonical Name: 1.5SMC300A-M3/9AT
Subcategory: Unidirectional TVS Diode

1.5SMC300A-M3/9AT Compliance

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

1.5SMC300A-M3/9AT Features

  • 1500W peak pulse power capability.
  • 256V reverse standoff voltage.
  • Unidirectional protection in SMC package.
  • RoHS3 and halogen-free compliant.
  • Operating temperature range -65°C to 150°C.

1.5SMC300A-M3/9AT Applications

  • Protects sensitive electronics from voltage transients.
  • Used in consumer and industrial power supplies.
  • Ideal for telecom and industrial systems.

1.5SMC300A-M3/9AT FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the 1.5SMC300A-M3/9AT?

256V.

What is the clamping voltage?

414V at 3.6A peak pulse current.

What is the peak pulse current rating?

3.6A.

What package is this TVS diode available in?

DO-214AB (SMC) surface mount package.

What is the peak pulse power rating?

1500W.

Is this device unidirectional or bidirectional?

Unidirectional.

What is the operating temperature range?

-65°C to 150°C.

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