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STMICROELECTRONICS SMBJ30ATR Transient Voltage Suppressor Diode

The SMBJ30ATR is a high-performance transient voltage suppression diode designed for protecting sensitive electronic equipment against electrostatic discharges and electrical surges. It features a peak pulse power dissipation of 600 W (10/1000 us) and a stand-off voltage range from 5 V to 188 V. Packaged in a JEDEC standard SMB footprint, it offers high reliability with low leakage current, high junction temperature operation, and compliance with IEC and MIL standards. Ideal for high-end equipment, switch-mode power supplies, and surge protection applications, ensuring long-lasting durability and stable performance.

Authorized Distributors
Source:Newark
Part No:SMBJ30A-TR
Stock:7782
Inv Date:06-11-2026
Price: Unit price: $0.503
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Source:DigiKey
Part No:SMBJ30A-TR
Stock:5203
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Price: Unit price: $0.62
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Part No:SMBJ30A-TR
Stock:4759
Inv Date:06-12-2026
Price: Unit price: $0.53
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Part No:SMBJ30A-TR
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.17
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Part No:SMBJ30A-TR
Stock:7500
Inv Date:06-11-2026
Price: Unit price: $0.0656
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Source:Arrow EU
Part No:SMBJ30A-TR
Stock:812
Inv Date:06-12-2026
Price: N/A
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Part No:SMBJ30A-TR
Stock:22500
Inv Date:06-12-2026
Price: N/A
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STMICROELECTRONICS SMBJ30ATR Transient Voltage Suppressor Diode Specifications:

  • Peak pulse power: 600 W (10/1000 us), 4 kW (8/20 us)
  • Stand-off voltage range: 5 V to 188 V
  • Maximum operating junction temperature: 150 °C
  • Peak pulse power dissipation: 600 W (initial), high power at Tj max: 515 W (10/1000 us)
  • Thermal resistances: Junction to leads: 20 °C/W, Junction to ambient: 100 °C/W
  • Soldering temperature: 260 °C for 10 seconds
  • Packaged in JEDEC SMB (DO-214AA) outline with solderable terminals
  • Compliance with IEC 61000-4-2 level 4, IEC 61000-4-5, MIL STD 883G, and other standards
  • Temperature range: -65 °C to +150 °C
  • Flammability: UL 94V-0, RoHS compliant
  • Polarity: Band indicates cathode for unidirectional types

Buy the STMicroelectronics SMBJ30ATR – Reliable Surge Protection for Industrial Applications

Ensure maximum safety and reliable performance in your electrical systems with the SMBJ30ATR transient voltage suppressor diode. Designed to protect sensitive electronics from voltage spikes and electrostatic discharges, this diode offers a peak pulse power of 600 W, a wide stand-off voltage range from 5 V to 188 V, and operates up to 150 °C. Its SMB package ensures easy surface-mount installation, making it ideal for high-end switching power supplies, surge protection, and sensitive equipment used in industrial environments. Buy online today for durable, high-quality surge protection solutions.

Get STMicroelectronics SMBJ30ATR today—built for precision and long-lasting durability in surge and ESD protection.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS SMBJ30ATR?

You can click on the BUY or RFQ button to purchase SMBJ30ATR from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part SMBJ30ATR?

You can download the SMBJ30ATR datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of SMBJ30ATR?

STMICROELECTRONICS

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