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STMICROELECTRONICS SMC30J20A High Power Transient Suppressor

The SMC30J20A Transil diode is designed to protect sensitive electronic equipment from high surge pulses up to 3000 W and electro-static discharges compliant with IEC 61000-4-2 and MIL STD 883 standards. Featuring planar technology, it ensures low leakage current, high junction temperature tolerance, and reliable performance over time. Packaged in JEDEC DO-214AB SMC footprint with UL 94V-0 rated epoxy, the diode provides optimal surge and transient voltage suppression for high-end power supply and electronic systems in demanding industrial environments.

Authorized Distributors
Source:Newark
Part No:SMC30J20A
Stock:1174
Inv Date:06-11-2026
Price: Unit price: $1.3
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Source:DigiKey
Part No:SMC30J20A
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.54286
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Part No:SMC30J20A
Stock:78
Inv Date:06-12-2026
Price: Unit price: $1.46
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Part No:SMC30J20A
Stock:0
Inv Date:06-11-2026
Price: Unit price: $0.485
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STMICROELECTRONICS SMC30J20A High Power Transient Suppressor Specifications:

  • Peak pulse power: 3000 W (10/1000 us)
  • Stand off voltage range: 5 V to 33 V
  • Operating junction temperature: -55°C to +150°C
  • Storage temperature range: -65°C to +150°C
  • Maximum lead solder temperature: 260°C for 10 seconds
  • JEDEC DO-214AB package, SMC footprint, UL 94V-0 epoxy
  • Polarity: band indicates cathode for unidirectional types
  • Solderable terminals per MIL-STD-750, Method 2026
  • Dimensions (mm): Al: 1.90–2.45, b: 2.90–3.2, E: 0.15–0.41, L: 7.75–8.15
  • Stand off voltage: 28 V for typical models
  • Bidirectional and unidirectional variants available
  • Complies with IEC 61000-4-2 level 4, 15 kV air, 8kV contact discharge standards
  • Rated for high power at high junction temp with reliability for industrial use
  • RoHS and ECOPACK® compliant, environmentally friendly packaging

Buy the STMicroelectronics SMC30J20A – Reliable Surge Suppressor for Industrial Applications

Purchase the STMicroelectronics SMC30J20A surge protection diode online today and safeguard your electronic devices against high surge pulses and electro-static discharges. Designed for industrial applications, it offers exceptional reliability, low leakage current, and high junction temperature tolerance. Packaged in a JEDEC DO-214AB SMC footprint with UL 94V-0 rated epoxy, this device is perfect for power supplies and electronics requiring superior transient voltage suppression. Order now to enhance your project’s robustness and ensure continual performance with easy online procurement.

Order your STMicroelectronics SMC30J20A high-power transient voltage suppressor today and ensure robust protection for your sensitive electronic systems.

Frequently Asked Questions

Where can I buy STMICROELECTRONICS SMC30J20A?

You can click on the BUY or RFQ button to purchase SMC30J20A from an authorized STMICROELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part SMC30J20A?

You can download the SMC30J20A datasheet or visit the STMICROELECTRONICS website for support.

Who is the manufacturer of SMC30J20A?

STMICROELECTRONICS

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