PTC THERMISTORS:
TYPE YR
OVER-TEMPERATURE PROTECTION
DESCRIPTION:
A range of PTC disc thermistors with insulated
flexible wires and housed in an eyelet tag.
FEATURES:
•
Suitable for surface temperature measurement
(over-temperature protection)
•
Sensing element electrically isolated from tag
•
Eyelets to fit M3, M4 & M5 screw sizes
•
Range of switch temperatures T
NF
60 to 140°C
•
Range of wire lengths 50 to 2000mm
(dimension WL in diagram right)
•
Typical applications include semiconductor
heatsinks, enclosure panels
DIMENSIONS:
DATA:
Typical characteristic for T
NF
>=90°C showing
specification limits:
T
NF
-20
T
NF
-10
T
NF
T
NF
+20
T
NF
+10
Dimensions in mm
Devices with T
NF
= 60 to 80°C
T
NF
+5°C
T
NF
-5°C
25°C
Ω
Ω
Ω
V d.c.
V d.c.
V d.c.
<=100
>=570
<=570
2.5
0.2
2.5
Devices with T
NF
= 90 to 160°C
T
NF
+5°C
T
NF
-5°C
25°C
Ω
Ω
Ω
V d.c.
V d.c.
V d.c.
<=100
>=1330
<=550
2.5
0.2
2.5
-20 to T
NF
-20ºC
Ω
V d.c.
<=250
2.5
T
NF
+23°C
V d.c.
Ω
2.5
>=10000
-20 to T
NF
-20ºC
Ω
V d.c.
<=250
2.5
T
NF
+15°C
V d.c.
Ω
7.5
>=4000
At temperatures lower than -20ºC the resistance can be greater than 250Ω.
BOWTHORPE THERMOMETRICS
Crown Industrial Estate, Priorswood Road
Taunton, Somerset TA2 8QY UK
Tel +44 (0) 1823 335200
Fax +44 (0) 1823 332637
THERMOMETRICS, INC.
808 US Highway 1
Edison, New Jersey 08817-4695 USA
Tel +1 (732) 287 2870
Fax +1 (732) 287 8847
KEYSTONE THERMOMETRICS CORPORATION
967 Windfall Road
St. Marys, Pennsylvania 15857-3397 USA
Tel +1 (814) 834 9140
Fax +1 (814) 781 7969
PTC THERMISTORS:
TYPE YR
OVER-TEMPERATURE PROTECTION
DATA:
Temperature range..................-25°C
to +155°C
Isolation voltage
................................500V d.c.
Maximum applied voltage
...................7.5V d.c.
Wire conductors...................Silver
plated copper
......................................................7x0.1mm dia
Wire insulation...........................................PTFE
Pack quantity & MOQ
.................................Dependent on wire length
OPTIONS:
•
Other resistances
•
Other wire types
CODING:
Switch temperature, eyelet size and wire length are specified by the product code e.g. YR060M3L500
Example
YR
Description
Sensor style
Standard values
Other information
Terminal wire colors
White - Grey
White - Brown
White - White
Green - Green
Black - Red
Red - Red
Brown - Brown
Brown - Red
Grey - Grey
Grey - Red
Blue - Blue
Blue - White
H (mm)
D (mm)
3.2
6.4
4.3
8.5
5.3
8.5
Wire length (mm)
50 ± 5
100 ± 10
200 ± 20
300 ± 20
400 ± 20
500 ± 20
1000 ± 50
1500 ± 50
2000 ± 50
060
Switch
temperature T
NF
°C
060
070
080
090
095
100
110
115
120
125
130
140
M3
M4
M5
L500
L101
L201
L301
L401
L501
L102
L152
L202
M3
Eyelet size
L (mm)
12.3
16.8
16.8
L500
Wire length
WL mm
BOWTHORPE THERMOMETRICS
Crown Industrial Estate, Priorswood Road
Taunton, Somerset TA2 8QY UK
Tel +44 (0) 1823 335200
Fax +44 (0) 1823 332637
THERMOMETRICS, INC.
808 US Highway 1
Edison, New Jersey 08817-4695 USA
Tel +1 (732) 287 2870
Fax +1 (732) 287 8847
KEYSTONE THERMOMETRICS CORPORATION
967 Windfall Road
St. Marys, Pennsylvania 15857-3397 USA
Tel +1 (814) 834 9140
Fax +1 (814) 781 7969
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