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SMBJ18CA TVS diode from Bourns, bidirectional, 18V reverse standoff voltage, 29.2V clamping, 600W peak pulse power in a surface mount DO-214AA (SMB) package. RoHS3 compliant.
Mfr Part #:

SMBJ18CA

Available from 2 distributors
Mfr Name: Bourns
Bourns
TVS diode from Bourns, bidirectional, 18V reverse standoff voltage, 29.2V clamping, 600W peak pulse power in a surface mount DO-214AA (SMB) package. RoHS3 compliant.
✓ Total Stock: 1,000 pcs

SMBJ18CA Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
970 pcs
On Request
970 pcs On Request 1 On Request On Request On Request On Request On Request
MW.FEP S.p.A. ✓
Non-Authorised Inventory information
30 pcs
On Request
30 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.

SMBJ18CA Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Bidirectional Channels
Current
Mounting Type
Number of Channels
Operating Temperature
Peak Forward Surge Current
Power
Power Line Protection
Prop 65
Response Time
Supplier Device Package
Tape & Reel
Type
Voltage
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SMBJ18CA Description

Short technical summary and product information.

The SMBJ18CA is a bidirectional transient voltage suppressor (TVS) diode from Bourns, designed to protect sensitive electronics from voltage transients induced by lightning, ESD, and other surge events. It offers a reverse standoff voltage of 18 V and a clamping voltage of 29.2 V at a peak pulse current of 20.6 A. The device can handle 600 W of peak pulse power for a 1 ms pulse (non-repetitive) and has a fast response time of less than 5 ps from 0 V to minimum breakdown voltage.

 

Packaged in a surface mount DO-214AA (SMB) package, the SMBJ18CA is suitable for automated assembly. It operates over a junction temperature range of -55°C to 150°C and is RoHS3 compliant. The part is available in tape and reel packaging for high-volume production.

 

Typical applications include general-purpose transient protection in consumer electronics, telecommunications, and industrial equipment. The bidirectional polarity allows protection of circuits with both positive and negative voltage swings without requiring orientation.

SMBJ18CA Quick Information

Product Type: TVS Diode
Series: SMBJ
Canonical Name: Bourns SMBJ18CA Bidirectional TVS Diode 18V 600W
Subcategory: Bidirectional TVS Diode

SMBJ18CA Compliance

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

SMBJ18CA Features

  • Bidirectional TVS diode for surge protection.
  • 600W peak pulse power dissipation.
  • Fast response time <5 ps.
  • Operating temperature range -55°C to 150°C.
  • Surface mount DO-214AA SMB package.

SMBJ18CA Applications

  • General purpose transient voltage suppression.
  • ESD protection in portable electronics.
  • Surge protection in telecommunications equipment.
  • Overvoltage protection in industrial control systems.

SMBJ18CA FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the SMBJ18CA?

18 V.

What is the clamping voltage?

29.2 V.

What is the peak pulse current rating?

20.6 A.

What package is the SMBJ18CA available in?

DO-214AA (SMB) surface mount package.

What is the peak pulse power rating?

600 W for a 1 ms pulse.

What is the operating temperature range?

-55°C to 150°C (junction).

Is the SMBJ18CA RoHS compliant?

Yes, RoHS3 compliant.

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