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Bourns SMLJ78A Transient Voltage Suppressor Diode

The SMLJ78A is a surface-mount transient voltage suppressor diode series designed for efficient surge and ESD protection in portable communication, computing, and video equipment. Packaged in a compact DO-214AB (SMC) size, it features a Working Peak Reverse Voltage of 78 V and Breakdown Voltage up to 86.0 V. It offers high power dissipation of 3000 W, fast response times under 5 ps, and operates across a temperature range of -55°C to +150°C, making it ideal for rugged electronic applications requiring reliable transient suppression.

Authorized Distributors
Source:Newark
Part No:SMLJ78A
Stock:314
Inv Date:05-28-2026
Price: Unit price: $1.14
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Source:DigiKey
Part No:SMLJ78A
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.77
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Part No:SMLJ78A
Stock:4515
Inv Date:05-29-2026
Price: Unit price: $1.17
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Part No:SMLJ78A
Stock:6000
Inv Date:05-28-2026
Price: Unit price: $1.12
Buy/RFQ:
Part No:SMLJ78A
Stock:6000
Inv Date:05-28-2026
Price: Unit price: $1.12
Buy/RFQ:

Bourns SMLJ78A Transient Voltage Suppressor Diode Specifications:

  • Package: DO-214AB (SMC) surface mount
  • Working Peak Reverse Voltage: 78 V
  • Breakdown Voltage: 86.0 V
  • Maximum Pulse Power Dissipation: 3000 Watts
  • Maximum Surge Current: 300 Amps (8.3 ms single pulse)
  • Steady State Power Dissipation: 5.0 Watts at 75°C
  • Maximum Instantaneous Forward Voltage: 35 Volts at 100A
  • Operating Temperature Range: -55°C to +150°C
  • Storage Temperature Range: -55°C to +150°C
  • Physical Dimensions: A 6.60 - 7.11 mm, B 5.59 - 6.22 mm, C 2.90 - 3.20 mm, D 0.15 - 0.31 mm, E 7.75 - 8.13 mm, F 0.05 - 0.20 mm, G 2.00 - 2.62 mm, H 0.76 - 1.52 mm
  • Polarity: Cathode band indicates unidirectional device, no band indicates bidirectional
  • Compliance: RoHS

Buy the Bourns Series SMLJ78A Transient Voltage Suppressor Diode: SMLJ78A

Order the Bourns SMLJ78A surge and ESD protection diode online today to ensure reliable transient suppression for portable and industrial electronic devices. This compact surface-mount device offers a peak reverse voltage of 78V, high power dissipation of 3000W, and ultra-fast response times, making it ideal for protecting sensitive electronics against voltage spikes. Designed with rugged specifications, it operates within -55°C to +150°C, ensuring durability and performance in harsh environments. Secure your supply chain with fast, easy online purchase and dependable protection now.

Buy Bourns SMLJ78A now and experience unmatched surge and ESD protection in a compact surface-mount package.

Frequently Asked Questions

Where can I buy Bourns SMLJ78A?

You can click on the BUY or RFQ button to purchase SMLJ78A from an authorized Bourns distributor.

How do I troubleshoot issues or seek technical support for part SMLJ78A?

You can download the SMLJ78A datasheet or visit the Bourns website for support.

Who is the manufacturer of SMLJ78A?

Bourns

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