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Littelfuse 15KE550CA Transient Voltage Suppressor

The 1.5KE Series transient voltage suppression diodes are axial leaded devices designed to protect sensitive electronic equipment from voltage transients caused by lightning and other transient events. With a peak pulse power dissipation of 1500W at 10/1000μs waveform, these devices feature fast response times, excellent clamping capabilities, and glass passivated chip junctions in DO-201 packages. Certified for safety and environmental standards, they are ideal for telecom, industrial, computer, and consumer applications where reliable ESD and EFT protection is essential.

Authorized Distributors
Source:DigiKey
Part No:1.5KE550CA
Stock:7849
Inv Date:05-28-2026
Price: Unit price: $1.57
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Source:DigiKey
Part No:1.5KE550CA
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.47878
Buy/RFQ:
Part No:1.5KE550CA
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.78
Buy/RFQ:
Part No:1.5KE550CA
Stock:0
Inv Date:05-28-2026
Price: Unit price: $0.38
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Littelfuse 15KE550CA Transient Voltage Suppressor Specifications:

  • Peak Pulse Power Dissipation: 1500W at 10/1000μs waveform
  • Stand-off Voltage Range: 5.80V to 448.00V (varies by model)
  • Breakdown Voltage: VBR 6.45V to 503.50V
  • Clamping Voltage: 3.5V to 5.0V at specified impulse current
  • Maximum Forward Surge Current: 200A
  • Operating Temperature Range: -55°C to +175°C
  • Thermal Resistance Junction to Lead: 16°C/W
  • Thermal Resistance Junction to Ambient: 6°C/W
  • Package: DO-201 Glass Passivated Chip in axial lead package
  • Polarity: Unidirectional and bidirectional models available
  • Soldering Parameters: Reflow max temperature 260°C, lead length 0.375 inches
  • Environmental Certifications: UL V-0 flammability, RoHS, Halogen free
  • Weight: 0.046 oz (1.2 g)

Buy the Littelfuse Series 1.5KE 1500W: 15KE550CA

Protect your sensitive electronics with the high-performance Littelfuse 1.5KE Series transient voltage suppression diodes. Featuring 1500W peak pulse power, fast response time, and certified environmental standards, these axial leaded devices are perfect for telecom, industrial, and consumer electronics. Easy to solder with standard reflow parameters, they provide reliable ESD and EFT protection for I/O interfaces, data lines, and bus systems. Available now online, order today to secure your circuit’s safety with trusted surge suppression technology.

Order your Littelfuse Series 1.5KE 1500W transient voltage suppression diode today and ensure your electronic circuits are protected with reliable, fast-response surge suppression.

Frequently Asked Questions

Where can I buy Littelfuse 15KE550CA?

You can click on the BUY or RFQ button to purchase 15KE550CA from an authorized Littelfuse distributor.

How do I troubleshoot issues or seek technical support for part 15KE550CA?

You can download the 15KE550CA datasheet or visit the Littelfuse website for support.

Who is the manufacturer of 15KE550CA?

Littelfuse

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