SMCJ70A-Q SMCJ70A-Q is a 1500W unidirectional TVS diode from Bourns. It features 70V standoff voltage, 146.9V clamping voltage, and is packaged in DO-214AB (SMC) for surface mount applications.
Mfr Part #:

SMCJ70A-Q

Available from 1 distributors
Mfr Name: Bourns
Bourns
SMCJ70A-Q is a 1500W unidirectional TVS diode from Bourns. It features 70V standoff voltage, 146.9V clamping voltage, and is packaged in DO-214AB (SMC) for surface mount applications.
Total Stock: 55 pcs
$ Price Range: $0.29

SMCJ70A-Q Available from 1 distributor

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SMCJ70A-Q Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
AEC-Q101
Applications
Automotive Grade
Current
Mounting Type
Operating Junction Temperature Range
Operating Temperature
Peak Forward Surge Current
Peak Pulse Power Dissipation
Power
Power Line Protection
Storage Temperature Range
Supplier Device Package
Type
Unidirectional Channels
Voltage

SMCJ70A-Q Description

Short technical summary and product information.

The Bourns SMCJ70A-Q is a 1500W unidirectional transient voltage suppressor (TVS) diode designed for overvoltage protection in automotive and industrial applications. It offers a standoff voltage of 70V and a clamping voltage of 146.9V at peak pulse current. The device is AEC-Q101 qualified, ensuring reliability for automotive environments.

 

Key electrical specifications include a peak pulse power dissipation of 1500W (TP=1ms), a peak forward surge current of 200A (8.3ms), and a peak pulse current of 66.5A (8/20µs). The TVS diode operates over a junction temperature range of -55°C to 150°C and is stored in the same range.

 

The SMCJ70A-Q is housed in a surface mount DO-214AB (SMC) package, suitable for automated assembly. It is RoHS and REACH compliant, with an MSL rating of 1 (unlimited). The unidirectional design provides single-channel protection for sensitive electronics.

SMCJ70A-Q Quick Information

Product Type: TVS Diode
Series: SMCJ-Q
Canonical Name: Bourns SMCJ70A-Q TVS Diode
Subcategory: Unidirectional TVS Diode

SMCJ70A-Q Compliance

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

SMCJ70A-Q Estimated Pricing

Qty Low High
12,000+ $0.29 $0.29

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

SMCJ70A-Q Features

  • 1500W peak pulse power dissipation.
  • Unidirectional TVS protection.
  • AEC-Q101 automotive qualified.
  • Surface mount DO-214AB package.
  • 200A peak forward surge current.

SMCJ70A-Q Applications

  • Protection of power buses.
  • Overvoltage transient protection.
  • Automotive electronics protection.
  • I/O interface protection.
  • Telecom and industrial applications.

SMCJ70A-Q FAQs

7 frequently asked questions generated from this part’s specifications.
What is the clamping voltage of SMCJ70A-Q?

The maximum clamping voltage is 146.9V at Ipp (10/1000 µs).

What is the peak pulse current rating?

The maximum peak pulse current is 66.5A (8/20 µs).

What package is the SMCJ70A-Q available in?

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

What is the peak pulse power dissipation?

The minimum peak pulse power dissipation is 1500W (TP=1 ms).

What is the operating temperature range?

-55°C to 150°C (junction temperature).

Is the SMCJ70A-Q AEC-Q101 qualified?

Yes, it is AEC-Q101 compliant for automotive applications.

How many unidirectional channels does it have?

It has 1 unidirectional channel.

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