PTC thermistors as
limit temperature sensors
Probe assemblies
Series/Type:
Date:
B59052D1*/B59901D0*
January 2016
© EPCOS AG 2016. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
Sensors
Limit temperature sensors, probe assemblies
D901, D1052
Applications
Limit temperature sensor
Features
Sensor with epoxy resin coating
Tinned leads
Metal tag for easy mounting
Characteristics for sensing temperatures
T
sense
= 90 to 120
°C
conform with DIN 44081
Metal tag permits good thermal coupling and
thus short response time
Marking type D1052: Type, manufacturer's
logo, T
sense
temperature in
°C
and date code
YYWW
Marking type D901: Three digits stamped on
to identify T
sense
RoHS-compatible
Delivery mode
Type D1052: Cardboard strips with hot-melt
adhesive tape in cardboard box (800 pcs.)
Type D901: Cardboard strips with manila
paper strips in cardboard box (500 pcs.)
Dimensional drawings
Type D1052
Type D901
Dimensions in mm
General technical data
Max. operating voltage
Measuring voltage
1)
Max. measuring voltage
1)
Rated resistance
Insulating test voltage
Operating temperature range
Operating temperature range
(T
A
= 0 ... 40
°C)
(T
A =
40
°C
... T
sense
+5 K)
For T
A
see table "Electrical
specifications"
(V
PTC
≤
2.5 V)
(between tags and leads)
(V
≤
V
meas,max
)
(V = V
max
)
V
max
V
meas
V
meas,max
R
R
V
ins
T
op
T
op
30
≤
2.5
7.5
≤
100
500
40/ T
sense
+23
0/+40
V DC
V DC
V DC
Ω
V AC
°C
°C
1) V
meas
and V
meas,max
for 90
°C ≤
T
sense
≤
120
°C
acc. to DIN 44081.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 11
Sensors
Limit temperature sensors, probe assemblies
D901, D1052
Electrical specifications and ordering codes
T
sense
R
(T
sense
5 K)
(V
PTC
≤
2.5 V)
Ω
R
(T
sense
+ 5 K)
(V
PTC
≤
2.5 V)
Ω
≥
570
≥
570
≥
570
≥
1330
≥
570
≥
570
≥
570
≥
1330
≥
1330
≥
1330
≥
1330
R
(T
sense
+ 15 K)
(V
PTC
≤
7.5 V)
Ω
-
-
-
≥
4k
-
-
-
≥
4k
≥
4k
≥
4k
≥
4k
R
Stamp Ordering code
(T
sense
+ 23 K) code
(V
PTC
≤
7.5 V)
Ω
≥
10 k
≥
10 k
≥
10 k
-
≥
10 k
≥
10 k
≥
10 k
-
-
-
-
-
-
-
-
331
341
351
361
371
381
391
B59052D1060A040
B59052D1070A040
B59052D1080A040
B59052D1090A040
B59901D0060A040
B59901D0070A040
B59901D0080A040
B59901D0090A040
B59901D0100A040
B59901D0110A040
B59901D0120A040
°C
Type D1052
60
≤
570
70
≤
570
80
≤
570
90
≤
550
Type D901
60
≤
570
70
≤
570
80
≤
570
90
≤
550
100
≤
550
110
≤
550
120
≤
550
Reliability data
Test
Electrical endurance,
constant
Damp heat
Standard
IEC 60738-1
IEC 60738-1
Rapid change
of temperature
IEC 60738-1
Vibration
IEC 60738-1
Test conditions
Storage at V
max
and T
op,max
(@ V
max
)
Test duration: 1000 h
Temperature of air: 40
°C
Relative humidity of air: 93%
Duration: 56 days
Test according to IEC 60068-2-78
T
1
= T
op,min
(0 V), T
2
= T
op,max
(0 V)
Number of cycles: 5
Test duration: 30 min
Test according to IEC 60068-2-14, test Na
Frequency range: 10 to 55 Hz
Displacement amplitude: 0.75 mm
Test duration: 3
×
2 h
Test according to IEC 60068-2-6, test Fc
∆R
25
/R
25
< 25%
< 10%
< 25%
< 5%
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 11
Sensors
Limit temperature sensors, probe assemblies
D901, D1052
Characteristics (typical) for type D1052
PTC resistance R
PTC
versus
PTC temperature T
PTC
(measured at low signal voltage)
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 11
Sensors
Limit temperature sensors, probe assemblies
D901, D1052
Characteristics (typical) for type D901
PTC resistance R
PTC
versus
PTC temperature T
PTC
(measured at low signal voltage)
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 11
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