Product Overview
Positive Temperature Coefficient (PTC) thermistors are self-regulating heating elements capable of maintaining a nearly constant temperature across a wide range of voltage and dissipation conditions. They are available in various configurations including discs, rectangles, squares, cylinders, and shapes with holes to increase surface area. Multiple PTCs can be used in parallel for larger area heating. They offer advantages such as no thermostat requirement, low cost, virtually unlimited life, no electrical noise, and no moving parts.
Product Attributes
- Brand: SPECTRUM SENSORS & CONTROLS, INC.
- Origin: St. Marys, PA
- Contact: Phone: 814.834.1541, Fax: 814.834.1556, E-mail: atp@SpecSensors.com, Web Site: www.SpecSensors.com
Technical Specifications
| Product Type | SS&C Part # | Switch Temp. Ts (C) | Vmax* (volts) | Dimensions (inches) | R25** () |
|---|---|---|---|---|---|
| Standard Rectangular PTC Heater | PR425C050S101H | 50 | 50 | L: 0.472, W: 0.236, T: 0.050 | 10 |
| Standard Rectangular PTC Heater | PR425C090S101H | 90 | 50 | L: 0.472, W: 0.236, T: 0.050 | 10 |
| Standard Rectangular PTC Heater | PR425C135S101H | 135 | 50 | L: 0.472, W: 0.236, T: 0.050 | 10 |
| Standard Rectangular PTC Heater | PR421D050S701H | 50 | 120 | L: 0.472, W: 0.236, T: 0.100 | 70 |
| Standard Rectangular PTC Heater | PR421D090S701H | 90 | 120 | L: 0.472, W: 0.236, T: 0.100 | 70 |
| Standard Rectangular PTC Heater | PR421D135S701H | 135 | 120 | L: 0.472, W: 0.236, T: 0.100 | 70 |
| Standard Disc PTC Heater | P5005C050S500H | 50 | 50 | D: 0.500, T: 0.050 | 5 |
| Standard Disc PTC Heater | P5005C090S500H | 90 | 50 | D: 0.500, T: 0.050 | 5 |
| Standard Disc PTC Heater | P5005C135S500H | 135 | 50 | D: 0.500, T: 0.050 | 5 |
| Standard Disc PTC Heater | P5010D050S401H | 50 | 120 | D: 0.500, T: 0.100 | 40 |
| Standard Disc PTC Heater | P5010D090S401H | 90 | 120 | D: 0.500, T: 0.100 | 40 |
| Standard Disc PTC Heater | P5010D135S401H | 135 | 120 | D: 0.500, T: 0.100 | 40 |
Typical Applications
IC heater, Instrumentation heater, Curling iron, Plug-in aroma heater, Hair dryer, Wax motor, Hot melt glue gun, TCXO heater, Food warmer, Liquid Crystal display, Diesel fuel heater, Bimetal heater.
2411200150_TE-Connectivity-PR421D090S701H_C3172100.pdf
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