PTC Over Current Protector - 80 C Switching Temp


PTC Over Current Protectors are used in series to protect electronic circuits when an over current condition develops. When a fault develops in a circuit leading to an over current condition, The PTC Thermistor switches from its low resistance state to a very high resistance state (this can be several decades of change) reducing the current flow to a very low and safe level.



PTC Over Current Protector - 80 C Switching Temperature


Part Number

Resis. @ 25 C (Ohms, +/- 20%)

Max. Continuous Current (Amps)

Min. Switching Current (Amps)

Maximum
Voltage

Maximum Diameter

WC6510DB5R0M

5.0

0.35

0.70

132

0.65"

WC6010DB7R5M

7.5

0.25

0.60

132

0.60"

WC5510DB100M

10.0

0.20

0.47

132

0.55"

WC5510DB150M

15.0

0.18

0.40

132

0.55"

WC4509DB200M

20.0

0.14

0.35

132

0.45"

WC4009DB300M

30.0

0.10

0.25

132

0.40"

WC3508DB500M

50.0

0.070

0.16

132

0.35"

WC3008DB750M

75.0

0.050

0.14

175

0.30"

WC3008DB101M

100.0

0.045

0.12

175

0.30"

WC3008DB151M

150.0

0.035

0.095

175

0.30"

WC2510DB251M

250.0

0.030

0.085

250

0.27"

WC2209DB501M

500.0

0.020

0.060

250

0.27"

WC2209DB102M

1000.0

0.015

0.040

300

0.27"

- 110 C Switching Temperature
- 120 C Switching Temperature
- 135 C Switching Temperature


Definitions:

Maximum Continuous Current (Imcc)
The maximum amount of current which a PTC Thermistor must be able to pass without switching into its high resistance state. Expressed in Amps.

Minimum Switching Current (Imsc)

The Minimum amount of current necessary to switch the thermistor into its high resistance state. Expressed in Amps.




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