SM30T21CAY Bidirectional TVS diode from STMicroelectronics with 18V reverse standoff voltage, 29.2V clamping voltage, and 3kW peak pulse power rating.
Mfr Part #:

SM30T21CAY

Available from 1 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
Bidirectional TVS diode from STMicroelectronics with 18V reverse standoff voltage, 29.2V clamping voltage, and 3kW peak pulse power rating.
Total Stock: 2,500 pcs
$ Price Range: $0.48 - $1.35

SM30T21CAY Available from 1 distributor

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,500 pcs
2500 pcs On Request 1 On Request On Request On Request On Request On Request

SM30T21CAY Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Applications
Automotive Grade
Bidirectional Channels
Current
Mounting Type
Operating Temperature
Polarity
Power
Power Line Protection
Reverse Standoff Voltage (V_RWM)
Supplier Device Package
Tape & Reel
Type
Voltage

SM30T21CAY Description

Short technical summary and product information.

The SM30T21CAY is a bidirectional TVS diode manufactured by STMicroelectronics, designed for automotive applications. It features a reverse standoff voltage of 18V and a clamping voltage of 29.2V, providing robust protection against voltage transients.

 

With a peak pulse power rating of 3000W (3kW) and a peak pulse current of 102.7A, this device can handle high-energy surges. The operating temperature range spans -55°C to 175°C, making it suitable for harsh environments.

 

The SM30T21CAY is housed in a surface-mount DO-214AB (SMC) package, supporting standard SMD assembly processes. It is RoHS3 compliant and has an MSL of 1 (unlimited).

SM30T21CAY Quick Information

Product Type: TVS Diode
Series: SM30T
Canonical Name: SM30T21CAY
Subcategory: Bidirectional TVS

SM30T21CAY Compliance

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

SM30T21CAY Estimated Pricing

Qty Low High
1+ $1.35 $1.35
10+ $1.09 $1.09
100+ $0.85 $0.85
500+ $0.69 $0.69
1,000+ $0.60 $0.60
2,500+ $0.55 $0.55
5,000+ $0.51 $0.51
10,000+ $0.48 $0.48

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

SM30T21CAY Features

  • Bidirectional TVS diode for automotive applications.
  • 3000W peak pulse power dissipation rating.
  • 18V reverse standoff voltage with 29.2V clamping.
  • Surface mount DO-214AB (SMC) package.
  • Wide operating temperature range -55°C to 175°C.

SM30T21CAY Applications

  • Used in automotive electronic control units.
  • Protects sensitive circuits from voltage transients.
  • Suitable for high-reliability automotive systems.

SM30T21CAY FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the SM30T21CAY?

The reverse standoff voltage (V_RWM) is 18V.

What is the clamping voltage of this TVS diode?

The clamping voltage (V_C) is 29.2V.

What is the peak pulse power rating?

The peak pulse power (P_PP) is 3000W (3kW).

What package does the SM30T21CAY come in?

It comes in a DO-214AB (SMC) surface mount package.

Is this device bidirectional?

Yes, it is a bidirectional TVS diode.

What is the operating temperature range?

The operating temperature range is -55°C to 175°C (TJ).

What is the peak pulse current?

The peak pulse current (I_PP) is 102.7A.

Home
Account

Categories