- Low cost solid state fuse
- Available in a broad range of resistances, transition temperatures and voltage ratings
- Exhibits large positive increases in resistance with temperature
- Resistance/temperature characteristic is infinitely repeatable and has no hysteresis associated with its action
- Proven quality and reliability over many years of manufacturing
Thermometrics PTC Thermistors
Type PTO
Thermometrics Type PTO PTC Thermistors consist of a range of radially-wired bare PTC disc thermistors for current regulation, circuit protection and temperature measurement and control. Available in a broad range of resistances, transition temperatures and voltage ratings.
- Current regulation
- Circuit protection
- Temperature measurement and control
Part Number | Operating Voltage, Vmax | R @ 25°C (±30%) Ω | Switch Temp, Tb |
A (max) mm |
B (max) mm |
C (ref) mm |
D (ref) mm |
L (min) mm |
YQS5893PTO | 12 | 2.5 | 120°C | 15.24 | 4.06 | 5.0 | 0.6 | 25 |
YQS5898PTO | 12 | 25 | 120°C | 8.89 | 3.81 | 5.0 | 0.6 | 25 |
YQS5745PTO | 25 | 50 | 43°C* | 8.89 | 3.81 | 5.0 | 0.5 | 25 |
YQS5749PTO | 25 | 50 | 80°C | 8.89 | 3.81 | 5.0 | 0.5 | 25 |
YQS5750PTO | 25 | 50 | 90°C | 8.89 | 3.81 | 5.0 | 0.5 | 25 |
YQS5751PTO | 25 | 50 | 100°C | 8.89 | 3.81 | 5.0 | 0.5 | 25 |
YQS5917PTO | 120 | 20 | 120°C | 16.51 | 5.84 | 8.38 | 0.8 | 38.1 |
YS5918PTO | 120 | 25 | 60°C | 15.24 | 5.59 | 8.38 | 0.8 | 38.1 |
YS5921PTO | 120 | 200 | 120°C | 7.62 | 5.08 | 3.81 | 0.6 | 38.1 |
YQS5925PTO | 240 | 100 | 120°C | 16.51 | 6.86 | 8.38 | 0.8 | 38.1 |
YQS5930PTO | 240 | 3K | 110°C | 8.89 | 7.87 | 6.35 | 0.8 | 25 |
YQS5934PTO | 480 | 5K | 102°C | 8.89 | 7.62 | 6.35 | 0.8 | 25 |
English
Thermometrics PTC Thermistors | Type PTO Datasheet
Thermometrics Product Spotlight | PTC Heaters for Angle of Attack Vane De-Icing - Product Spotlight
English
Thermometrics Application Spotlight | Thermistors FAQ - Application Spotlight
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Thermometrics | Temperature Resistance Curves - Reference Guide
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Part No. | Replacement For |
YQS5893PTO | YS5893PTO (RL5305-2.5-110-12-PTO) |
YQS5898PTO | YS5898PTO (RL3005-25-110-12-PTO) |
YQS5745PTO | YS5745PTO (RL3006-50-30-25-PTO) |
YQS5749PTO | YS5749PTO (RL3006-50-80-25-PTO) |
YQS5750PTO | YS5750PTO (RL3006-50-90-25-PTO) |
YQS5751PTO | YS5751PTO (RL3006-50-100-25-PTO) |
YQS5917PTO | YS5917PTO (RL6010-20-120-120-PTO) |
YS5918PTO | RL5510-25-60-120-PTO |
YS5921PTO | RL2510-200-110-120-PTO |
YQS5925PTO | YS5925PTO (RL6015-100-120-240-PTO) |
YQS5930PTO | YS5930PTO (RL3020-3000-100-240-PTO) |
YQS5934PTO | YS5934PTO (RL3020-5K-100-480-PTO) |