| STANDARD | Peak Surge Voltage (V) | Voltage Waveform | Required peak current (A) | Current Waveform | Minimum serial resistor to meet standard (l ) |
| GR-1089 Core First level | 2500 1 000 | 2/10ps 10/1000ps | 500 1 00 | 2/1 0ps 10/1000ps | 1 0 24 |
| GR-1089 Core Second level | 5000 | 2/1 0ps | 500 | 2/1 0ps | 20 |
| GR-1089 Core Intra-building | 1 500 | 2/10ps | 1 00 | 2/1 0ps | 0 |
| ITU-T-K20/K21 | 6000 1 500 | 10/700ps | 1 50 37.5 | 5/310 ps | 1 1 0 0 |
| ITU-T-K20 (IEC61000-4-2) | 8000 15000 | 1/60 ns | ESD contact discharge ESD air discharge | 0 0 |
| VDE0433 | 4000 2000 | 10/700Us | 1 00 50 | 5/310 ps | 60 1 0 |
| VDE0878 | 4000 2000 | 1.2/50l-ls | 1 00 50 | 1/20ps | 0 0 |
| IEC61000-4-5 | 4000 4000 | 10/700ps 1.2/50ps | 1 00 1 00 | 5/310ps 8/20ps | 60 0 |
| FCC Part 68, lightning surge type A | 1 500 800 | 10/160ps 10/560ps | 200 1 00 | 10/160ps 10/560ps | 22.5 1 5 |
| FCC Part 68, lightning surge type B | 1 000 | 9/720ps | 25 | 5/320ps | 0 |
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