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Littelfuse 15SMC400CA Surface Mount Transient Voltage Suppression Diode

The Littelfuse 1.5SMC series is specifically engineered to safeguard sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. These surface mount diodes offer fast response times, halogen-free construction, and excellent clamping capability, making them ideal for protecting I/O interfaces, VCC bus, and other vulnerable circuits in telecom, computer, industrial, and consumer electronic applications. The devices are designed for surface mounted applications to optimize board space and include a built-in strain relief.

Authorized Distributors
Source:Newark
Part No:1.5SMC400CA
Stock:421
Inv Date:05-28-2026
Price: Unit price: $0.759
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Source:DigiKey
Part No:1.5SMC400CA
Stock:10
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Price: Unit price: $0.3888
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Source:DigiKey
Part No:1.5SMC400CA
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.30177
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Source:DigiKey
Part No:1.5SMC400CA
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.34603
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Part No:1.5SMC400CA
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Inv Date:05-28-2026
Price: Unit price: $0.96
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Part No:1.5SMC400CA
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Inv Date:05-28-2026
Price: Unit price: $0.64
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Part No:1.5SMC400CA
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Price: Unit price: $0.8602
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Part No:1.5SMC400CA
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Inv Date:05-28-2026
Price: Unit price: $0.4226
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Part No:1.5SMC400CA
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Inv Date:05-28-2026
Price: Unit price: $0.3887
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Authorized Distributors
Part No:1.5SMC400CA
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.8602
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Part No:1.5SMC400CA
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.4226
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Part No:1.5SMC400CA
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.3887
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Part No:1.5SMC400CA
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.425
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Part No:1.5SMC400CA
Stock:2
Inv Date:05-29-2026
Price: N/A
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Littelfuse 15SMC400CA Surface Mount Transient Voltage Suppression Diode Specifications:

  • Peak Pulse Power Dissipation at TA=25[O] C by 10x1000μs waveform: 1500 W
  • Power Dissipation on infinite heat sink at TA=50 [O] C: 6.5 W
  • Peak Forward Surge Current, 8.3ms Single Half Sine Wave: 200 A
  • Maximum Instantaneous Forward Voltage at 100A: 3.5/5.0 V
  • Operating Junction and Storage Temperature Range: -65 to 150 °C
  • Typical Thermal Resistance Junction to Lead: 15 °C/W
  • Typical Thermal Resistance Junction to Ambient: 75 °C/W
  • Reverse Breakdown Voltage (Uni): 6.8 to 200 V
  • Reverse Breakdown Voltage (Bi): 6.8 to 200 V
  • Maximum Clamping Voltage: 7.14 to 168.00 V
  • Maximum Reverse Current: 1 to 1000 mA
  • Peak Reverse Current: 10 to 144.8 A
  • Leakage Current @ VR: 1 to 100 μA

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Frequently Asked Questions

Where can I buy Littelfuse 15SMC400CA?

You can click on the BUY or RFQ button to purchase 15SMC400CA from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 15SMC400CA?

You can download the 15SMC400CA datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 15SMC400CA?

Littelfuse

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