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SMBJ40CA-E3/52 The Vishay Dale SMBJ40CA-E3/52 is a surface-mount TVS diode designed for transient voltage suppression. It offers 600W peak pulse power capability and operates within a wide temperature range.
Mfr Part #:

SMBJ40CA-E3/52

Available from 2 distributors
Mfr Name: Vishay
Vishay
The Vishay Dale SMBJ40CA-E3/52 is a surface-mount TVS diode designed for transient voltage suppression. It offers 600W peak pulse power capability and operates within a wide temperature range.
✓ Total Stock: 193,028 pcs
$ Price Range: $0.55

SMBJ40CA-E3/52 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
193,010 pcs
On Request
193010 pcs On Request 1 On Request On Request On Request On Request On Request
Speed Components Ltd ✓
Non-Authorised Inventory information
18 pcs
On Request
18 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

SMBJ40CA-E3/52 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Bidirectional Channels
Current
Junction Temperature
Mounting Type
Operating Temperature
Peak Forward Surge Current
Power
Power Dissipation
Power Line Protection
Supplier Device Package
Supplier Package
Type
Voltage
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SMBJ40CA-E3/52 Description

Short technical summary and product information.

The Vishay Dale SMBJ40CA-E3/52 is a surface-mount Transient Voltage Suppressor (TVS) diode, part of the SMBJ series. It is designed for general-purpose applications requiring protection against voltage transients.

 

Key electrical characteristics include a 40V working voltage and a 64.5V clamping voltage at 1mA test current. The diode boasts a significant 600W peak pulse power capability with a 10/1000 μs waveform. It also features a 100A peak forward surge current rating for unidirectional applications.

 

This device operates across a wide temperature range of -55°C to 150°C (TJ), making it suitable for various environmental conditions. The component is housed in a compact DO-214AA (SMB) package, ideal for automated placement on printed circuit boards.

 

Environmental compliance includes RoHS3 compliance and MSL 1 rating. The SMBJ40CA-E3/52 is designed for applications in consumer, computer, industrial, and telecommunication electronics, protecting sensitive components from voltage spikes.

SMBJ40CA-E3/52 Quick Information

Product Type: TVS Diode
Series: SMBJ
Canonical Name: Vishay Dale SMBJ40CA-E3/52 Transient Voltage Suppressor Diode
Subcategory: TVS Diodes

SMBJ40CA-E3/52 Compliance

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

SMBJ40CA-E3/52 Estimated Pricing

Qty Low High
1+ $0.55 $0.55

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

SMBJ40CA-E3/52 Features

  • 600W peak pulse power capability.
  • 40V working voltage.
  • 64.5V clamping voltage.
  • Surface mount DO-214AA SMB package.
  • Wide operating temperature range.

SMBJ40CA-E3/52 Applications

  • Protect power supply lines from transients.
  • Safeguard communication equipment from surges.
  • Used in industrial control systems protection.
  • Ideal for automotive electronics transient protection.
  • Bidirectional design simplifies circuit layout.

SMBJ40CA-E3/52 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the standoff (working) voltage of the SMBJ40CA-E3/52?

40 V.

What is the breakdown voltage range?

44.4 V (min) to 51.1 V (max) at 1 mA test current.

What is the clamping voltage?

64.5 V at 1 mA.

What is the peak pulse power rating?

600 W for a 10/1000 μs waveform.

What is the package type?

DO-214AA (SMB) surface-mount package.

What is the operating temperature range?

-55°C to 150°C junction temperature.

Is this device bidirectional?

Yes, it has 1 bidirectional channel.

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