Product Overview
The Thermometrics PTO series comprises a range of radially-wired bare PTC disc thermistors. These low-cost, solid-state sensors are available in a broad range of resistances, transition temperatures, and voltage ratings. They exhibit large positive increases in resistance with temperature, offering infinitely repeatable resistance/temperature characteristics with no associated hysteresis. The PTO series is known for its proven quality and reliability over many years of manufacturing, making it suitable for applications such as current regulation, circuit protection, and temperature measurement and control.
Product Attributes
- Brand: Thermometrics
- Series: PTO
- 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) |
|---|---|---|---|---|---|---|---|---|---|
| 12 YQS5893PTO | YS5893PTO (RL5305-2.5-110-12-PTO) | 2.5 | 120C | 15.24 | 4.06 | 5.0 | 0.6 | 25 | 12 |
| 12 YQS5898PTO | YS5898PTO (RL3005-25-110-12-PTO) | 25 | 120C | 8.89 | 3.81 | 5.0 | 0.6 | 25 | 12 |
| 25 YQS5745PTO | YS5745PTO (RL3006-50-30-25-PTO) | 50 | 43C* | 8.89 | 3.81 | 5.0 | 0.5 | 25 | 25 |
| 25 YQS5749PTO | YS5749PTO (RL3006-50-80-25-PTO) | 50 | 80C | 8.89 | 3.81 | 5.0 | 0.5 | 25 | 25 |
| 25 YQS5750PTO | YS5750PTO (RL3006-50-90-25-PTO) | 50 | 90C | 8.89 | 3.81 | 5.0 | 0.5 | 25 | 25 |
| 25 YQS5751PTO | YS5751PTO (RL3006-50-100-25-PTO) | 50 | 100C | 8.89 | 3.81 | 5.0 | 0.5 | 25 | 25 |
| 120 YQS5917PTO | YS5917PTO (RL6010-20-120-120-PTO) | 20 | 120C | 16.51 | 5.84 | 8.38 | 0.8 | 38.1 | 120 |
| 120 YS5918PTO | RL5510-25-60-120-PTO | 25 | 60C | 15.24 | 5.59 | 8.38 | 0.8 | 38.1 | 120 |
| 120 YS5921PTO | RL2510-200-110-120-PTO | 200 | 120C | 7.62 | 5.08 | 3.81 | 0.6 | 38.1 | 120 |
| 240 YQS5925PTO | YS5925PTO (RL6015-100-120-240-PTO) | 100 | 120C | 16.51 | 6.86 | 8.38 | 0.8 | 38.1 | 240 |
| 240 YQS5930PTO | YS5930PTO (RL3020-3000-100-240-PTO) | 3K | 110C | 8.89 | 7.87 | 6.35 | 0.8 | 25 | 240 |
| 480 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
Operating Temperature Range at Maximum Voltage: +10 to +55C
2411220127_Amphenol-YQS5930PTO_C1562750.pdf
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