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Specifications
Power(Watts):
690mW
Resistance @ 25℃:
250Ω
Mfr. Part #:
YGM1 C508
Package:
Through Hole
Key Attributes
Model Number:
YGM1 C508
Product Description
Product Overview
YGM Motor Protectors PTC (Positive Temperature Coefficient) Thermistors are designed for rapid response thermal protection of electrical machines. These compact sensors are easily assembled into windings and feature flexible connecting leads. They exhibit a non-linear resistance/temperature response, rapidly changing to a very high resistance value at a specified temperature, allowing for effective circuit interruption via a relay or amplifier. Ideal for monitoring the windings of electric motors and for use in simple fail-safe circuitry, they are available with or without an insulated sleeve.Product Attributes
- Brand: YGM
- Type: PTC Thermistors
- Features: Rapid response protection, Compact size, Silvered copper leads, Available with or without insulated sleeve, Flexible connecting leads
- Conductors: Silvered copper wire with Teflon insulation (PTFE)
- Conductor Cross-section: 0.25 mm (for single, double, and triple PTCs)
- Insulation Stripping: Approx. 10 mm
- Quality Standard: DIN 44081/44082
- Testing: Random testing according to DGQ P90/P10 (DIN 40080)
- Origin: Division of Microtherm, Montreal (Quebec), Canada
Technical Specifications
| Model | Response Temp. (NAT) | Tolerance | Colour Code | Nominal Response Temperature Range | Max. Allowable Operating Temp. (Tmax.) | Max. Allowable Operating Voltage (Umax.) at +25 C | Max. Allowable Power Dissipation at +25 C | Insulation Strength (between leads and outer insulation) | Conductor Lengths |
|---|---|---|---|---|---|---|---|---|---|
| YGM1 Single Thermistor | 80 - 180 C (in steps of 10, plus 145 and 155C) | 5 C | See detailed list below | 80 C to 180 C | 200 C | 25V (per bead) | 690 mW | 2.5 kV | 500 mm 10 mm |
| YGM3 Triple Thermistor | 80 - 180 C (in steps of 10, plus 145 and 155C) | 5 C | See detailed list below | 80 C to 180 C | 200 C | 25V (per bead) | 690 mW | 2.5 kV | 500 - 180 - 180 - 500 mm 10 mm |
| CEF1 Mount-on Sensor | 80 - 180 C (in steps of 10, plus 145 and 155C) | 5 C | See detailed list below | 80 C to 180 C | 200 C | 25V (per bead) | 690 mW | 2.5 kV (also for threaded sensor) | Special versions available |
| Model Specific Colour Codes & Response Temperatures: | |||||||||
| YGM3 C508 | 80 C | 5 C | white - yellow - yellow - white | ||||||
| YGM3 C509 | 90 C | 5 C | green - yellow - yellow - green | ||||||
| YGM3 C510 | 100 C | 5 C | red - yellow - yellow - red | ||||||
| YGM3 C511 | 110 C | 5 C | brown - yellow - yellow - brown | ||||||
| YGM3 C512 | 120 C | 5 C | grey - yellow - yellow - grey | ||||||
| YGM3 C513 | 130 C | 5 C | blue - yellow - yellow - blue | ||||||
| YGM3 C514 | 140 C | 5 C | white - yellow - yellow - blue | ||||||
| YGM3 C545 | 145 C | 5 C | white - yellow - yellow - black | ||||||
| YGM3 C515 | 150 C | 5 C | black - yellow - yellow - black | ||||||
| YGM3 C655 | 155 C | 5 C | blue - yellow - yellow - black | ||||||
| YGM3 C516 | 160 C | 5 C | blue - yellow - yellow - red | ||||||
| YGM3 C517 | 170 C | 5 C | white - yellow - yellow - green | ||||||
| YGM3 C518 | 180 C | 5 C | red - yellow - yellow - white | ||||||
| CEF1 C508 | 80 C | 5 C | white - white | ||||||
| CEF1 C509 | 90 C | 5 C | green - green | ||||||
| CEF1 C510 | 100 C | 5 C | red - red | ||||||
| CEF1 C511 | 110 C | 5 C | brown - brown | ||||||
| CEF1 C512 | 120 C | 5 C | grey - grey | ||||||
| CEF1 C513 | 130 C | 5 C | blue - blue | ||||||
| CEF1 C514 | 140 C | 5 C | white - blue | ||||||
| CEF1 C545 | 145 C | 5 C | white - black | ||||||
| CEF1 C515 | 150 C | 5 C | black - black | ||||||
| CEF1 C655 | 155 C | 5 C | blue - black | ||||||
| CEF1 C516 | 160 C | 5 C | blue - red | ||||||
| CEF1 C517 | 170 C | 5 C | white - green | ||||||
| CEF1 C518 | 180 C | 5 C | red - white | ||||||
| YGM1 C508 | 80 C | 5 C | white - white | ||||||
| YGM1 C509 | 90 C | 5 C | green - green | ||||||
| YGM1 C510 | 100 C | 5 C | red - red | ||||||
| YGM1 C511 | 110 C | 5 C | brown - brown | ||||||
| YGM1 C512 | 120 C | 5 C | grey - grey | ||||||
| YGM1 C513 | 130 C | 5 C | blue - blue | ||||||
| YGM1 C514 | 140 C | 5 C | white - blue | ||||||
| YGM1 C545 | 145 C | 5 C | white - black | ||||||
| YGM1 C515 | 150 C | 5 C | black - black | ||||||
| YGM1 C655 | 155 C | 5 C | blue - black | ||||||
| YGM1 C516 | 160 C | 5 C | blue - red | ||||||
| YGM1 C517 | 170 C | 5 C | white - green | ||||||
| YGM1 C518 | 180 C | 5 C | red - white | ||||||
| Resistance Characteristics: | |||||||||
| Single PTC | Temperature (C) | Resistance () | Measuring Voltage (V) | ||||||
| -20 to NAT - 20 | max. 250 | max. 2.5 | |||||||
| NAT - 20 to NAT - 5 | max. 550 | max. 2.5 | |||||||
| NAT | 1,000 | 2.5 | |||||||
| NAT + 5 | min. 1,330 | 2.5 | |||||||
| NAT + 15 | min. 4,000 | 7.5 | |||||||
| Triple PTC | Temperature (C) | Resistance () | Measuring Voltage (V) | ||||||
| -20 to NAT - 20 | max. 750 | max. 7.5 | |||||||
| NAT - 20 to NAT - 5 | max. 1,650 | max. 7.5 | |||||||
| NAT | min. 4,000 | 7.5 | |||||||
| NAT + 15 | min. 4,000* | 7.5 | |||||||
| * One PTC might reach NAT + 15 C, while the second or even both of the others could still remain at room temperature. | |||||||||
| Cold Resistance: Ideally between 40 - 200 ohms, can be anywhere between 35 - 250 ohms. Resistance values below NAT 20 are not specified. | |||||||||
| Resistance Change: Greatest change occurs between 5 C either side of NAT, being at least 15%/K. | |||||||||
Installation Tips
- For PTC temperature sensors in electrical windings, thermistors can only be inserted before impregnation.
- Embed one sensor in each phase, ideally in the center of the hottest coil and on the outflow side of air movement.
- Air inflow onto the sensor can interfere with heat transfer.
- For varnishes/lacquers not chemically neutral, suitability tests must be undertaken by the customer.
- WARNING! Install the sensor parallel with the copper of the winding to allow teflon leads to conform to the winding shape and retain high-voltage resistance rating.
2411220237_Cantherm-YGM1-C508_C17292562.pdf
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