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SM4T26AY SM4T26AY is a unidirectional Zener TVS diode from STMicroelectronics with 22V reverse standoff voltage and 48.3V clamping voltage. It offers 400W peak pulse power capability and is designed for automotive applications in an SMA (DO-214AC) surface mount package.
Mfr Part #:

SM4T26AY

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
SM4T26AY is a unidirectional Zener TVS diode from STMicroelectronics with 22V reverse standoff voltage and 48.3V clamping voltage. It offers 400W peak pulse power capability and is designed for automotive applications in an SMA (DO-214AC) surface mount package.
✓ Total Stock: 5,000 pcs
$ Price Range: $0.35 - $1.02

SM4T26AY Available from 1 distributor

✓ Authorised
✓ Non-Authorised
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5,000 pcs
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5000 pcs On Request 1 On Request On Request On Request On Request On Request
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SM4T26AY Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Applications
Automotive Grade
Current
Mounting Type
Operating Temperature
Power
Power Line Protection
Supplier Device Package
Tape & Reel
Type
Unidirectional Channels
Voltage
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SM4T26AY Description

Short technical summary and product information.

SM4T26AY is a unidirectional Zener-type TVS diode designed for automotive electronics protection. It features a 22V reverse standoff voltage and a clamping voltage of 48.3V at 48A peak pulse current (8/20µs waveform). The device is capable of handling 400W peak pulse power. It is not intended for power line protection. The diode is packaged in a DO-214AC (SMA) surface mount package and operates over a temperature range of -55°C to 150°C. The manufacturer claims RoHS3 compliance and REACH unaffected status, with MSL level 1.

SM4T26AY Quick Information

Product Type: TVS Diode
Series: SM4TY
Canonical Name: STMicroelectronics SM4T26AY TVS Diode, Zener, Unidirectional, 22V Reverse Standoff, 48.3V Clamping, 400W, DO-214AC (SMA)
Subcategory: Zener TVS Diode

SM4T26AY Compliance

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

SM4T26AY Estimated Pricing

Qty Low High
1+ $1.02 $1.02
10+ $0.74 $0.74
100+ $0.52 $0.52
500+ $0.40 $0.40
1,000+ $0.36 $0.36
5,000+ $0.35 $0.35
25,000+ $0.35 $0.35

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

SM4T26AY Features

  • Rated for 22V reverse standoff.
  • Clamps at 48.3V maximum.
  • Handles 400W peak pulse power.
  • Designed for automotive use.
  • Surface mount in SMA package.

SM4T26AY Applications

  • Designed for automotive applications.
  • Protects against transient overvoltage.

SM4T26AY FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the SM4T26AY?

The reverse standoff voltage is 22V (typical).

What is the maximum clamping voltage?

The maximum clamping voltage is 48.3V at 48A peak pulse current.

What is the peak pulse current rating?

The peak pulse current is 48A for an 8/20µs waveform.

What package is the SM4T26AY available in?

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

What is the peak pulse power rating?

The peak pulse power rating is 400W.

What is the operating temperature range?

The operating temperature range is -55°C to 150°C.

Is the SM4T26AY unidirectional or bidirectional?

It is a unidirectional TVS diode with one channel.

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