YS4020
PTC THERMISTOR, 1.1K, RADIAL LEADED
- Manufacturer: AMPHENOL ADVANCED SENSORS
- Product type: PTC Thermistors
- SVHC: No SVHC (07-Jul-2017)
- Applications: Current Limiting Protection
- Trip Current: -
- Product Range: -
- Qualification: -
- Thermistor Type: Disc, Radial Leaded
- Resistance (25°C): 1.1kohm
- Holding Current Max: -
- Thermistor Mounting: Through Hole
- Operating Voltage Max: 1kV
- PTC Thermistor Diameter: 8mm
- Operating Temperature Max: 60°C
- Operating Temperature Min: -20°C
- Switching Temperature Max: 80°C
- Switching Temperature Min: -
- Resistance Tolerance (25°C): ± 20%
| Delivery and price | |
|---|---|
| Units per pack | 2000 |
| Price | 1.52 € |
| Current stock | 50+ |
| Lead time | 30 days |
**Advanced Sensors Amphenol** Amphenol Thermometrics (UK) Ltd., Crown Industrial Estate, Priorswood Road, Taunton, Somerset, TA2 8QY, UK Tel +44 (0) 1823 335200 Fax +44 (0) 1823 332637 |**TEST SPECIFICATION**|PART No**. YS4020**|ISSUE:B| |---|---|---| |CUSTOMER:**Various**|DATE:**9th May 2014**|QUANTITY:| |**Customer P/N:**|ORIGINATOR:**M.J.Roberts**|PAGE 1 OF 2| **DESCRIPTION:** PTC THERMISTOR INTENDED FOR USE AS A CURRENT LIMITING PROTECTION DEVICE ## **MECHANICAL SPECIFICATION** CONSTRUCTION **:** BARE CERAMIC DISC WITH UNINSULATED LEADWIRES THICK FILM SILVER ELECTRODES TERMINATIONS **:** TIN COATED COPPER WIRE DIMENSIONS in mm NTS: SEE DRAWING BELOW **==> picture [263 x 201] intentionally omitted <==** **----- Start of picture text -----**<br> 6.0max<br>/ S \<br>| ||\ 8.0max<br>12.0max<br>\/<br>(/~—_[L_- “\ \ :<br>2.5min<br>|<br>| |<br>| | 7.6nom |<br>0.6+0.06/-0.05 3 —=$a<br>**----- End of picture text -----**<br> CHANGES SINCE LAST ISSUE: Update to Amphenol Issue : A B Date : 26/02/10 9/05/14 F13 SERIAL No. YS4020 ISSUE : A CONTINUATION PAGE NO. 2 ## **ELECTRICAL SPECIFICATION:** RESISTANCE AT 25 C : 1.1k 20% (1) RESISTANCE, -20 C to +55 C : 2.0k max. (1) SWITCHING TEMPERATURE : 80 10 C (2) MAXIMUM VOLTAGE (VMAX ) : 1000Vrms MAXIMUM INRUSH CURRENT : 0.6A rms approx (3) RESIDUAL CURRENT AT VMAX (Ir) : 2.0mA max. (4) AMBIENT TEMPERATURE RANGE at maximum voltage : -20 to +60 C : -25 to +125 C storage ## _NOTES:_ - _(1) Measuring current : 1mA max._ - _(2) Resistance = 2_ _Resistance minimum._ - _(3) V = Vmax. Rseries = 1.0k_ _._ - _(4) Mounting for test: Device held in test clips, leadlength from disc head to clip: 10mm. Measurement made in still air, Tamb = 25_ _C._ F3
Updated at April 23, 2026
Amphenol Advanced Sensors is a leading innovator in sensor technologies and measurement solutions, serving the highly regulated and demanding needs of the transportation, medical, and industrial markets. Through its renowned legacy brands—including Thermometrics for temperature sensing, NovaSensor for pressure, and Telaire for air quality—the company delivers a diverse portfolio of critical components designed to provide accurate environmental data for real-time decision-making. The core of this manufacturer's offering focuses heavily on highly reliable circuit protection and transducer components. Engineers will find an extensive selection of temperature sensing and compensation NTC thermistors, alongside a comprehensive range of high-performance pressure sensors and transducers. These precision-engineered devices are essential for ensuring thermal stability, accurate fluid measurement, and reliable operational feedback in complex commercial and industrial applications. Beyond these primary lines, the selection includes vital power management devices such as inrush current limiting (ICL) NTC thermistors and PTC thermistors engineered to safeguard sensitive electronics. The portfolio is further complemented by specialized temperature sensors, light sensors, and dataloggers, providing a robust, integrated suite of measurement and protection solutions for modern hardware design.
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