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CERAMIC PTC THERMISTORS:GENERAL HEATING APPLICATIONS


MODEL NOMENCLATURE  
PH20A24014721
PH:
Heating thermistor
2:
Rated Voltage=220-240V
O:
Switching Temp=240C
A:
Rectangular shaped
240:
Length=24.0mm
147:
Width=14.7mm
21:
Thickness=2.1mm

UL RATING PARAMETERS
PTC
Shape
Rated
Volt.
(V)
Max
Volt.
(V)
Min
R25C
()
Max
Ir
(A)
Max
ISS
(A)
TSW
(C)
Max
TSURF
(C)
Rectangular
100-240
240
100
10
3
30-250
280
Disk
100-240
240
100
10
3
30-250
280
Ring
100-240
240
100
10
3
30-250
280



STANDARD THEMISTOR MODELS
Model No.
VR
(V)
TSURF
(C)
VW/S
(V/min)
Dimension
(mm)
PH6HA18006014
12
2005
50/3
18.06.01.4
PH8JA23014721
50
2305
100/3
23.014.72.1
PH1NA24014721
120
2405
360/3
24.014.72.1
PH1PA27313114
120
2655
360/3
27.313.11.4
PH2FA05004016
220
1705
480/3
5.04.01.6
PH2KA27810614
220
2205
480/3
27.810.61.4
PH2MA27810614
2520
2405
480/3
27.810.61.4
PH2PA24014721
220
2655
480/3
24.014.72.1
PH4NA24014725
440
2605
600/3
24.014.72.5
 
 
 
 
 
PH5AB07600025
6
1305
24/3
7.62.5
PH7IB07000018
24
2305
50/3
7.01.8
PH19B08000018
120
1105
360/3
8.01.8
PH27B08000018
220
1055
480/3
8.01.8
PH2BB08000030
220
1355
480/3
8.03.0
PH2IB08000025
220
2005
480/3
8.02.5
PH2KB08000018
220
2255
480/3
X8.01.8
 
 
 
 
 
PH2FC22013532
220
1655
480/3
XO22xXi13.53.2



Available PTC dimensions (mm)
Rectangular
Disk
Ring
24.014.7t
5.0t
14.5ѣX4.3t
23.014.7t
6.0t
22.0ѣX13.4t
28.010.6t
7.0t
 
28.013.4t
8.0t
 
23.013.0t
9.4t
 
34.56.2t
10.0t
 
16.514.0t
12.0t
 
4.93.9t
13.4t
 
 
22.0t
 

UL Approved: Thickness "t"=1.5-3.0mm
Low Voltage (6 to 50V): Thickness 1.5>t>0.8mm

When placing an order, please provide specification parameters as indicated in the standard model list.

Note 1:The table provides standard PTC thermistors currently in production.

Note 2:For thermistors of non-standard dimensions, please send specific inquiries to our sales department.

Note 3:Unit price for the standard unit is set according to the purchase volume. Please ask for direct quotations.
Non-standard unit quotations are usually provided after the fabrication of the prototype.


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