g
PTC THERMISTORS:
TYPE YM120
OVER-CURRENT PROTECTION
DESCRIPTION:
A range of radially-wired PTC disc thermistors with
black silicone resin coating.
FEATURES:
•
Designed for general purpose over-current, over-
voltage and direct over-temperature protection
•
Operation up to 265V rms
•
Wide range of operating current levels
•
Excellent stability
•
Fail-safe operation
•
Solid state
•
High performance barium titanate ceramic
•
Suitable for automatic PCB insertion
DIMENSIONS:
OPTIONS:
•
Non-standard resistances and tolerances
•
Resistance matching
•
Non-standard wire lengths
•
Other wire configurations
PACKAGING:
All types in the YM120 range are available loose-
packed, as shown in the drawing. Devices are also
available on bandolier (tape & reel): types with
diameter a <14.5mm comply with IEC 286-2.
To identify the packaging required, replace X in the
product codes shown in table as follows:
Bandoliered ......................................................R
Loose-packed ...................................................N
Pack quantities:
Loose-packed .........................................500/box
Bandoliered
a<14.5mm ........................1000/reel (0.5" pitch)
a
≥
14.5mm ............................500/reel (1" pitch)
DATA:
Maximum operating voltage
..............265V rms
Switch temperature....................120°C
nominal
Tolerance on R
25
.....................................±20%
Ambient temperature range:
at maximum voltage........................0
to +55°C
at zero voltage
...........................-25 to +155°C
Lead wire material.............Solder-coated
copper
Body coating
.................................Silicone resin
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
g
Code
PTC THERMISTORS:
TYPE YM120
OVER-CURRENT PROTECTION
R
25
Ω
I
nt
A
I
t
A
I
mo
A
I
r
mA
a
mm
b
mm
Brand code
YM120C15X182
YM120C20X122
YM120C30X601
YM120C45X301
YM120C60X151
YM120C80X101
YM120D105X600
YM120D125X450
YM120D150X330
YM120D170X250
YM120D200X200
YM120D260X150
YM120D370X100
YM120D480X060
1800
1200
600
300
150
100
60
45
33
25
20
15
10
6
0.016
0.020
0.028
0.039
0.057
0.070
0.093
0.110
0.128
0.161
0.192
0.234
0.314
0.407
0.023
0.028
0.040
0.055
0.080
0.098
0.131
0.155
0.181
0.228
0.265
0.330
0.444
0.575
0.1
0.1
0.2
0.2
0.2
0.4
0.6
0.7
0.9
1.1
1.3
1.7
2.7
3.9
5
6
6
7
7
8
8
9
9
10
11
12
16
25
4.0
4.0
4.0
4.0
4.0
4.5
6.0
7.0
7.5
8.5
9.5
11.5
14.5
17.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
D
E
F
G
H
I
J
bTh 450
bTh 330
bTh 250
bTh 200
bTh 150
bTh 100
bTh 060
R
25
I
nt
I
t
I
mo
I
r
Resistance at 25°C
Maximum current without tripping (25°C ambient)
Minimum trip current (25°C ambient)
Maximum overload current
Residual current (25°C ambient)
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