

The SP1233 includes TVS diodes fabricated in a proprietary silicon avalanche technology to protect each I/O pin and provide a high level of protection for electronic equipment that may experience destructive electrostatic discharges (ESD). These robust diodes can safely absorb repetitive ESD strikes at ±30kV (contact discharge, IEC61000-4-2) without performance degradation. Additionally, the SP1233 offers up to 20A 8/20 surge rating with low clamping voltages.
- ESD, IEC 61000-4-2, ±30kV contact, ±30kV air
- EFT, IEC 61000-4-4, 40A (5/50ns)
- Lightning, 20A (8/20 as defined in IEC 61000-4-5 2nd edition)
- Low clamping voltage
- Low leakage current
- AEC-Q101 qualified
- Moisture Sensitivity Level(MSL -1)
- Halogen free, lead free and RoHS compliant
SP1233 Parts
Filters
Showing 1 to 12 of 71 Total Results
Part Number | Actions | VR (Vstandoff) | ILeak (µA) | ESD Contact (kV) | ESD Air (kV) | Lightning Immunity (8x20µs)(A) | Clamp Voltage | CI/O TYP (pF) | Polarity | Channels | MIN VBR@IT (V) | Package |
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Part Number | Actions | VR (Vstandoff) | ILeak (µA) | ESD Contact (kV) | ESD Air (kV) | Lightning Immunity (8x20µs)(A) | Clamp Voltage | CI/O TYP (pF) | Polarity | Channels | MIN VBR@IT (V) | Package | |
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SP1233 Applications
- Switches / Buttons
- Test Equipment / Instrumentation
- Point-of-Sale Terminals
- Medical Equipment
- Notebooks / Desktops / Servers
- Computer Peripherals
Series: SP1233 Resources

Circuit Protection Selection Guide
Consult this guide to learn about circuit protection considerations and the solutions Littelfuse offers. Tables help match products with applications.