PTC thermistors
Motor protection, triple sensors
Series/Type:
B59300
Date:
March 2006
EPCOS AG 2006. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
Applications
Thermal protection of winding in electric
motors
Limit temperature monitoring
Features
Thermistor pellets with insulating
encapsulation in series connection
(triple sensor)
Low-resistance type, steep R/T curve
Silver-plated and Teflon-insulated AWG 26
litz wires
Characteristics for nominal threshold
temperatures T
NTT
= 90 up to 160
C
conform with DIN 44082
Color coding of litz wires to DIN 44082,
connecting wires in yellow
UL approval to UL 1434 (file number
E69802)
RoHS-compatible
Delivery mode
Bulk
Dimensional drawing
Dimensions in mm
General technical data
Max. operating voltage
(T
A
= 0 ... 40
C)
V
max
30
VDC
Max. measuring voltage
(T
A
=
25
C ... T
NTT
+23 K) V
meas,max
7.5
VDC
Rated resistance
(V
PTC
2.5 V)
R
R
300
Insulating test voltage
V
ins
2.5
kVAC
Thermal threshold time
t
a
<3
s
Operating temperature range
(V
V
meas,max
)
T
op
25/ T
NTT
+23
C
Operating temperature range
(V = V
max
)
T
op
0/+40
C
Electrical specifications and ordering codes
T
NTT
C
R
(T
NTT
T)
(V
PTC
2.5 V)
R
(T
NTT
+
T)
(V
PTC
2.5 V)
R
(T
NTT
+ 15 K)
(V
PTC
7.5 V)
R
(T
NTT
+ 23 K)
(V
PTC
2.5 V)
Ordering code
T = 5 K
60
1710
1710
-
30 k
B59300M1060A070
70
1710
1710
-
30 k
B59300M1070A070
80
1710
1710
-
30 k
B59300M1080A070
90
1650
3990
12 k
-
B59300M1090A070
Sensors
Motor protection, triple sensors
M1300
Page 2 of 8
Please read Important notes and
Cautions and warnings at the end of this document.
T
NTT
C
R
(T
NTT
T)
(V
PTC
2.5 V)
R
(T
NTT
+
T)
(V
PTC
2.5 V)
R
(T
NTT
+ 15 K)
(V
PTC
7.5 V)
R
(T
NTT
+ 23 K)
(V
PTC
2.5 V)
Ordering code
100
1650
3990
12 k
-
B59300M1100A070
110
1650
3990
12 k
-
B59300M1110A070
120
1650
3990
12 k
-
B59300M1120A070
130
1650
3990
12 k
-
B59300M1130A070
140
1650
3990
12 k
-
B59300M1140A070
145
1650
3990
12 k
-
B59300M1145A070
150
1650
3990
12 k
-
B59300M1150A070
155
1650
3990
12 k
-
B59300M1155A070
160
1650
3990
12 k
-
B59300M1160A070
T = 7 K
170
1710
1710
-
30 k
B59300M1170A070
180
1710
1710
-
30 k
B59300M1180A070
190
1710
1710
-
30 k
B59300M1190A070
Color coding of litz wires (to DIN 44081)
T
NTT
C
Color
60
white/grey
70
white/brown
80
white/white
90
green/green
100
red/red
110
brown/brown
120
grey/grey
130
blue/blue
140
white/blue
145
white/black
150
black/black
155
blue/black
160
blue/red
170
white/green
180
white/red
190
black/grey
Sensors
Motor protection, triple sensors
M1300
Page 3 of 8
Please read Important notes and
Cautions and warnings at the end of this document.
Characteristics (typical)
PTC resistance R
PTC
versus PTC temperature T
PTC
(measured at low signal voltage)
Sensors
Motor protection, triple sensors
M1300
Page 4 of 8
Please read Important notes and
Cautions and warnings at the end of this document.
Characteristics (typical)
PTC resistance R
PTC
versus PTC temperature T
PTC
(measured at low signal voltage)
Sensors
Motor protection, triple sensors
M1300
Page 5 of 8
Please read Important notes and
Cautions and warnings at the end of this document.
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