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SMCJ30A The SMCJ30A is a 1500W unidirectional TVS diode from Bourns with a 30V reverse standoff voltage and 48.4V clamping voltage. Ideal for protecting sensitive electronics from voltage transients.
Mfr Part #:

SMCJ30A

Available from 1 distributors
Mfr Name: Bourns
Bourns
The SMCJ30A is a 1500W unidirectional TVS diode from Bourns with a 30V reverse standoff voltage and 48.4V clamping voltage. Ideal for protecting sensitive electronics from voltage transients.
✓ Total Stock: 478 pcs
$ Price Range: $0.17 - $0.93

SMCJ30A Available from 1 distributor

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
478 pcs
On Request
478 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.

SMCJ30A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Applications
Current
ESD Protection
Halogen Free
Industrial Grade
Lead Style
Mounting Type
Operating Temperature
Peak Forward Surge Current
Power
Power Dissipation
Power Line Protection
Response Time
Storage Temperature
Supplier Device Package
Tape & Reel
Type
Unidirectional Channels
Voltage
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SMCJ30A Description

Short technical summary and product information.

The SMCJ30A is a 1500W peak pulse power unidirectional TVS diode designed for surface mount applications. It features a reverse standoff voltage of 30V, a minimum breakdown voltage of 33.3V, and a maximum breakdown voltage of 36.8V. The clamping voltage is 48.4V at a peak pulse current of 31A (10/1000µs waveform).

 

With a fast response time of typically less than 1.0ps from 0V to breakdown voltage, this device provides excellent protection against electrostatic discharge (ESD) per IEC 61000-4-2, with ratings of 30kV air and 30kV contact. The operating junction temperature range is -55°C to 150°C, and the storage temperature range is -65°C to 175°C.

 

Housed in a DO-214AB (SMC) package, the SMCJ30A is suitable for general purpose applications including I/O interfaces, VCC bus, telecom, computer, industrial, and consumer electronics. The device is halogen free and RoHS compliant per the datasheet, though compliance data is unverified.

SMCJ30A Quick Information

Product Type: TVS Diode
Series: SMCJ
Canonical Name: SMCJ30A TVS Diode
Subcategory: Surface Mount

SMCJ30A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Pb-free E3

SMCJ30A Estimated Pricing

Qty Low High
1+ $0.93 $0.93
10+ $0.58 $0.58
100+ $0.38 $0.38
500+ $0.29 $0.29
1,000+ $0.26 $0.26
3,000+ $0.22 $0.22
6,000+ $0.21 $0.21
9,000+ $0.20 $0.20
15,000+ $0.19 $0.19
21,000+ $0.18 $0.18
30,000+ $0.17 $0.17

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

SMCJ30A Features

  • 1500W peak pulse power dissipation.
  • 30V reverse standoff voltage.
  • Fast response time under 1ps.
  • ESD protection up to 30kV.
  • Surface mount DO-214AB package.

SMCJ30A Applications

  • Protects I/O interfaces from voltage transients.
  • Used in telecom and computer equipment.
  • Ideal for consumer electronics power rails.
  • Suitable for industrial control systems.

SMCJ30A FAQs

7 frequently asked questions generated from this part’s specifications.
What is the reverse standoff voltage of the SMCJ30A?

30V.

What is the breakdown voltage range?

33.3V to 36.8V.

What is the clamping voltage?

48.4V.

What is the peak pulse current rating?

31A for 10/1000µs waveform.

What package is the SMCJ30A available in?

DO-214AB (SMC) surface mount.

What is the peak pulse power dissipation?

1500W.

Does the SMCJ30A provide ESD protection?

Yes, up to 30kV air and 30kV contact per IEC 61000-4-2.

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