| PartNumber | MOV-20D680KTR | MOV-20D680K | MOV-20D681K |
| Description | Varistors 68volts 20mm | Varistors 68volts 20mm | Varistors 680volts 20mm |
| Manufacturer | Bourns Inc. | Bourns Inc. | Bourns Inc. |
| Product Category | TVS - Varistors, MOVs | TVS - Varistors, MOVs | TVS - Varistors, MOVs |
| Series | - | - | - |
| Product | MOV | MOV | MOV |
| Packaging | Tape & Reel (TR) Alternate Packaging | Bulk Alternate Packaging | Bulk Alternate Packaging |
| Unit Weight | 0.105822 oz | 3 g | 0.105822 oz |
| Current Rating | 10 A | 10 A | 50 A |
| Mounting | Radial | Radial | Radial |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - 40 C to + 85 C |
| Package Case | Disc 20mm | Disc 20mm | Disc 20mm |
| Capacitance | 2900 pF | 2900 pF | 290 pF |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Number of Circuits | 1 | 1 | 1 |
| Tolerance | 10 % | 10 % | 10 % |
| Lead Spacing | 7.5 mm | 7.5 mm | 7.5 mm |
| Diameter | 20 mm | 20 mm | 20 mm |
| Varistor Voltage Min | 61V | 61V | 612V |
| Varistor Voltage Typ | 68V | 68V | 680V |
| Varistor Voltage Max | 75V | 75V | 748V |
| Current Surge | 2kA | 2kA | 6.5kA |
| Maximum AC Volts | 40VAC | 40VAC | 420VAC |
| Maximum DC Volts | 56VDC | 56VDC | 560VDC |
| Energy | 46J | 46J | 220J |
| Voltage Rating DC | 68 VDC | 68 VDC | 680 VDC |
| Clamping Voltage | 135 V | 135 V | 1.12 kV |
| Peak Surge Current | 1 kA | 1 kA | 4.5 kA |
| Surge Energy Rating | 14 J | 14 J | 130 J |