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Note:
| Serial No. | Rating Voltage | Rating Current | Rating Power | Rating Resistance |
| Hg20-0001 | 1.5 V | 0.2A | 0.3W | C-2R |
| Hg20-0002 | 2.5V | 0.3A | 0.75W | C-2R |
| Hg20-0003 | 3.8V | 0.3A | 1.14W | C-2R |
| Hg20-0004 | 6V | 0.5 A | 3W | C-2R |
| Hg20-0005 | 12 V | 0.2A | 2.4W | C-2V |
| Hg20-0006 | 24V | 0. 06A | 3W | C-2V |
| Hg20-0007 | 34V | 0.09A | 3W | CC-2F |