g
PTC THERMISTORS:
TYPE PTH
SELF-REGULATING HEATER
DESCRIPTION:
PTC disc thermistor for heating elements and
thermostat
FEATURES:
•
Low cost thermistor disc for heating
applications: contact lens cleaner kits,
medical equipment, in-line diesel fuel heaters,
LCD heaters, temperature stabilization of elec-
tronic components
•
Suitable for clamp contacting or soldering
•
Thermistor element acts as both heater and
thermostat
•
Available in a broad range of resistances and
transition temperatures
•
Available with alternative configurations,
contact materials, resistances and transition
temperatures
DIMENSIONS:
<
<
<
Operating
Voltage
Type Number
Ro @ 25°C
(Ohms)
A
in.
mm.
in.
B
mm.
12
12
12
24
24
24
120
120
120
120
120
240
240
240
5505-2.0-120-12-PTH
5505-2.0-140-12-PTH
5505-2.0-160-12-PTH
5506-5-65-24-PTH
5506-5-110-24-PTH
5506-20-140-24-PTH
5510-25-65-120-PTH
5510-100-120-120-PTH
5510-150-140-120-PTH
7510-10-110-120-PTH
7510-10-160-120-PTH
5515-50-65-240-PTH
6315-500-110-240-PTH
6315-250-120-240-PTH
2.0
2.0
2.0
5.0
5.0
20
25
100
150
10
10
50
500
250
0.55
0.55
0.55
0.55
0.55
0.55
0.55
0.55
0.55
0.75
0.75
0.55
0.63
0.63
13.97
13.97
13.97
13.97
13.97
13.97
13.97
13.97
13.97
19.05
19.05
13.97
16.00
16.00
0.06
0.06
0.06
0.06
0.06
0.06
0.10
0.10
0.10
0.10
0.10
0.15
0.15
0.15
1.52
1.52
1.52
1.52
1.52
1.52
2.54
2.54
2.54
2.54
2.54
3.81
3.81
3.81
OPTIONS:
•
Aluminum-nickel contacts, replace “PTH” suffix with “PHN”
•
Aluminum only contacts, replace “PTH” suffix with “PHA”
•
Silver contacts, replace “PTH” suffix with “PHS”
•
Other resistances, contact materials
•
Other tolerances, other transition temperatures
•
Other voltage ratings, configurations
Crown Industrial Estate, Priorswood Road
Taunton, Somerset TA2 8QY UK
Tel +44 (0) 1823 335200
Fax +44 (0) 1823 332637
808 US Highway 1
Edison, New Jersey 08817-4695 USA
Tel +1 (732) 287 2870
Fax +1 (732) 287 8847
967 Windfall Road
St. Marys, Pennsylvania 15857-3397 USA
Tel +1 (814) 834 9140
Fax +1 (814) 781 7969
<
A
(± .020”)
(± .020”)
B
<
Copper Contacts
<
Transition
Temperature
(°C)
Wattage at
Max. Power
Dissipation
120
140
160
65
110
140
65
120
140
110
160
65
110
120
35
40
45
20
35
40
20
25
35
40
45
20
25
30
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