PTC Over Temperature Protector

Western Electronic Components's PTC Thermistors are used for over temperature protection of electronic circuits including telecommunication, amplifier, power, and converter circuits.

Features:


- Small size for fast response time
- Easily Mounted
- Low Cost
- 100% SolidState - No Moving Parts
- Optional Physical Configurations (See Below Specification Table)

Applications:

- Electronic Thermostat Protection
- Power Amplifier Protection
- Power Supply Circuits
- Telecommunication Circuits
- DC-DC Circuits
- Motor Protection
- Transformer Protection
- Power Machinery Protection

Physical Specifications
:


See below for optional configurations (Ring Lug, Aluminum Housing, etc.,)

Electrical Specifications:


Resistance @ 25°C: 250 Ohms Maximum; Voltage Maximum: 30 Volts

Part Number
Switch Temp. (°C)

Resistance

(OHMS)

Resistance

(OHMS)

Resistance

(OHMS)

Resistance

(OHMS)

 

 

ST - 5 °C

ST + 5 °C

ST + 15 °C

ST + 23 °C

WMT1812

60

<570

>570

>4000

>6000

WMT1813

70

<570

>570

>4000

>6000

WMT1814

80

<570

>570

>4000

>6000

WMT1815

90

<550

>1330

>4000

>6000

WMT1816

100

<550

>1330

>4000

>6000

WMT1817

110

<550

>1330

>4000

>6000

WMT1818

120

<550

>1330

>4000

>6000

WMT1819

130

<550

>1330

>4000

>6000

WMT1820

140

<550

>1330

>4000

>6000

WMT1821

150

<550

>1330

>4000

>4000

WMT1822

160

<550

>1330

>4000

>4000

WMT1823

170

<570

>570

>4000

>4000

WMT1824

180

<570

>570

>4000

>4000



See below for optional configurations (Ring Lug, Aluminum Housing, etc.,)

Optional Physical Configuration:

Add Dash Number to Standard Part Number:  Example: WMT1815-01






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