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SMAJ12CA-TR The STMicroelectronics SMAJ12CA-TR is a Bidirectional TVS Diode with a 12V stand-off voltage and 400W peak pulse power dissipation. It is designed for transient voltage suppression.
Mfr Part #:

SMAJ12CA-TR

Available from 3 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics SMAJ12CA-TR is a Bidirectional TVS Diode with a 12V stand-off voltage and 400W peak pulse power dissipation. It is designed for transient voltage suppression.
✓ Total Stock: 355,563 pcs

SMAJ12CA-TR Available from 3 distributors

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✓ Non-Authorised
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Optech Co.,Limited ✓
Non-Authorised Inventory information
316,020 pcs
On Request
316020 pcs On Request 1 On Request On Request On Request On Request On Request
Fe Components ✓
Non-Authorised Inventory information
35,000 pcs
On Request
35000 pcs On Request 1 On Request On Request On Request On Request On Request
Chanetech ✓
Non-Authorised Inventory information
4,543 pcs
On Request
4543 pcs On Request 1 On Request On Request On Request On Request On Request
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SMAJ12CA-TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Bidirectional Channels
Current
Mounting Type
Operating Temperature
Power
Power Line Protection
Supplier Device Package
Type
Voltage
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SMAJ12CA-TR Description

Short technical summary and product information.

The STMicroelectronics SMAJ12CA-TR is a Bidirectional Transient Voltage Suppressor (TVS) diode designed to protect sensitive electronic equipment from transient overvoltage events. It features a stand-off voltage of 12V and a clamping voltage of 20V.

 

This TVS diode offers a peak pulse power dissipation of 400W for a 10/1000 µs waveform and 2.3 kW for an 8/20 µs waveform. It exhibits low leakage current, with values of 0.2 µA at 25°C and 1 µA at 85°C. The operating junction temperature range is -55°C to 150°C.

 

Designed for general-purpose applications, the SMAJ12CA-TR is housed in a surface-mount SMA (DO-214AC) package, making it suitable for integration into compact electronic designs. Its construction adheres to standards like IEC 61000-4-2 and MILSTD883, ensuring robust protection against electrostatic discharge and electrical overstress.

 

This component is suitable for applications requiring reliable protection against voltage transients, such as in consumer electronics and industrial equipment. The bidirectional nature allows it to protect circuits from transients in either polarity.

SMAJ12CA-TR Quick Information

Product Type: TVS Diode
Series: Transil
Canonical Name: STMicroelectronics SMAJ12CA-TR Bidirectional TVS Diode
Subcategory: Transient Voltage Suppressor

SMAJ12CA-TR Compliance

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

SMAJ12CA-TR Features

  • 400W peak pulse power dissipation.
  • 12V stand-off voltage range.
  • Low leakage current at 25°C.
  • Bidirectional and unidirectional types available.
  • Surface mount SMA package.

SMAJ12CA-TR Applications

  • Protects against electrostatic discharge.
  • Suppresses transient voltage spikes.
  • Suitable for general purpose applications.
  • Used in sensitive electronic equipment.
  • Ensures circuit reliability and stability.

SMAJ12CA-TR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the peak pulse power dissipation of the SMAJ12CA-TR?

The peak pulse power dissipation is 400 W for a 10/1000 µs waveform and 2.3 kW for an 8/20 µs waveform.

What is the stand-off voltage range for this TVS diode?

The stand-off voltage range is from 5 V to 188 V.

What is the clamping voltage for the SMAJ12CA-TR?

The clamping voltage is 5 V, 20 V, or 50 V depending on the specific configuration.

What is the leakage current at 25°C?

The leakage current is 0.2 μA at 25 °C.

What is the maximum operating junction temperature?

The maximum operating junction temperature is 150 °C.

What type of package is the SMAJ12CA-TR in?

The part is available in a DO-214AC, SMA package, suitable for surface mounting.

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