| PartNumber | B59850C0080A051 | B59850C0120A051 | B59850C0080A070 |
| Description | Thermistors - PTC 850A 80A 51 12X2.5 PTC Thermisto | Thermistors - PTC 850A 120A 51 12X2.5 PTC Thermisto | Thermistors - PTC 850A 80A 70 12X2.5 PTC Thermisto |
| Manufacturer | EPCOS (TDK) | EPCOS | EPCOS / TDK |
| Product Category | PTC Resettable Fuses | PTC Resettable Fuses | PTC Thermistors |
| Series | - | - | - |
| Packaging | Tape & Reel (TR) | Reel | Ammo Pack |
| Termination Style | Radial | Radial | - |
| Operating Temperature Range | - 40 C to + 125 C | - 40 C to + 125 C | - |
| Length | 17 mm | - | - |
| Package Case | Radial, Disc | - | - |
| Tolerance | 25 % | 20 % | - |
| Current Max | 2.2A | - | - |
| Current Hold Ih Max | 110mA | - | - |
| Voltage Max | 230V | - | - |
| Current Trip It | 230mA | - | - |
| R Min Max | 6.000 ~ 10.00 Ohm | - | - |
| Time to Trip | - | - | - |
| Resistance | 10 Ohms | 10 Ohms | - |
| Part Aliases | - | B59850C120A51 | B59850C80A70 |