

The SR70 consists of four, low capacitance, rail-to-rail diodes that provide protection against ESD and lightning surge events. These robust diodes can safely absorb up to 40A (tP=8/20μs) and repetitive ESD strikes at the maximum level (Level 4) specified in the IEC 61000-4-2 international standard without performance degradation.
Its low loading capacitance makes it ideal for protecting high-speed data lines such as VDSL and VDSL2.
- ESD, IEC61000-4-2 , ±30kV contact discharge, ±30kV air discharge
- EFT, IEC61000-4-4, 80A (tP=5/50ns)
- Lightning protection, IEC61000-4-5, 40A (tP=8/20μs)
- Low capacitance of 2.0pF (TYP) per I/O
- Low clamp voltage
- Small SOT143 (JEDEC TO-253) packaging
SR70 Parts
Filters
Showing 1 to 11 of 11 Total Results
Part Number | Actions | VR (Vso) | 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 |
---|
Part Number | Actions | VR (Vso) | 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 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SR70 Applications
- xDSL Lines
- Video Lines
- Customer Premises Equipment
- 10/100/1000 Ethernet
Series: SR70 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.