Product Overview
The Thermometrics PTO series comprises a range of radially-wired bare PTC disc thermistors, offering a low-cost, solid-state sensing solution. These thermistors are available in a wide variety of resistances, transition temperatures, and voltage ratings. They exhibit significant positive increases in resistance with temperature, with a resistance/temperature characteristic that is infinitely repeatable and exhibits no hysteresis. Proven quality and reliability are assured through many years of manufacturing experience. Applications include current regulation, circuit protection, and temperature measurement and control.
Product Attributes
- Brand: Thermometrics (Amphenol Advanced Sensors)
- Construction: Bare ceramic disc, thick silver film electrodes, uninsulated leadwires
- Terminations: Straight type, tin coated copper wire
Technical Specifications
| Part Number | Replacement for | R @ 25C (30%) | Switch Temperature, Tb | A (max) mm | B (max) mm | C (ref) mm | D (ref) mm | L (min) mm | Vmax A (max) |
|---|---|---|---|---|---|---|---|---|---|
| YQS5893PTO | YS5893PTO (RL5305-2.5-110-12-PTO) | 2.5 | 120C | 15.24 | 4.06 | 5.0 | 0.6 | 25 | 12 |
| YQS5898PTO | YS5898PTO (RL3005-25-110-12-PTO) | 25 | 120C | 8.89 | 3.81 | 5.0 | 0.6 | 25 | 12 |
| YQS5745PTO | YS5745PTO (RL3006-50-30-25-PTO) | 50 | 43C* | 8.89 | 3.81 | 5.0 | 0.5 | 25 | 25 |
| YQS5749PTO | YS5749PTO (RL3006-50-80-25-PTO) | 50 | 80C | 8.89 | 3.81 | 5.0 | 0.5 | 25 | 25 |
| YQS5750PTO | YS5750PTO (RL3006-50-90-25-PTO) | 50 | 90C | 8.89 | 3.81 | 5.0 | 0.5 | 25 | 25 |
| YQS5751PTO | YS5751PTO (RL3006-50-100-25-PTO) | 50 | 100C | 8.89 | 3.81 | 5.0 | 0.5 | 25 | 25 |
| YQS5917PTO | YS5917PTO (RL6010-20-120-120-PTO) | 20 | 120C | 16.51 | 5.84 | 8.38 | 0.8 | 38.1 | 120 |
| YS5918PTO | RL5510-25-60-120-PTO | 25 | 60C | 15.24 | 5.59 | 8.38 | 0.8 | 38.1 | 120 |
| YS5921PTO | RL2510-200-110-120-PTO | 200 | 120C | 7.62 | 5.08 | 3.81 | 0.6 | 38.1 | 120 |
| YQS5925PTO | YS5925PTO (RL6015-100-120-240-PTO) | 100 | 120C | 16.51 | 6.86 | 8.38 | 0.8 | 38.1 | 240 |
| YQS5930PTO | YS5930PTO (RL3020-3000-100-240-PTO) | 3K | 110C | 8.89 | 7.87 | 6.35 | 0.8 | 25 | 240 |
| YQS5934PTO | YS5934PTO (RL3020-5K-100-480-PTO) | 5K | 102C | 8.89 | 7.62 | 6.35 | 0.8 | 25 | 480 |
*Resistance = 2 x Resistance at 25C ref
Storage Temperature Range: -25 to +155C
Ambient Temperature Range at Maximum Voltage: +10 to +55C
2411220231_Amphenol-YQS5746PTO_C1562742.pdf
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