NTC thermistors for
temperature measurement
Glass-encapsulated sensors
for media contact
Series/Type:
Date:
B57565G1
August 2014
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information contained therein without EPCOS' prior express consent is prohibited.
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Temperature measurement
Glass-encapsulated sensors for media contact
B57565G1
G1565
Applications
Temperature measurement
Features
Glass-encapsulated NTC thermistor,
heat-resistant and highly stable
Coating of glass body and leads for electrical
insulation and improved resistance against
media
For temperature measurement up to
260
°C
in oil
Short response time
Leads: dumet wires (copper-clad FeNi)
Testing conditions must be verified
Options
Alternative dimensions and resistance values
available on request.
For temperature measurement in other
media on request.
Delivery mode
Bulk
General technical data
Climatic category
Max. power
Resistance tolerance
Rated temperature
Dissipation factor
Thermal cooling time constant
Heat capacity
Insulation resistance
1)
Test voltage
1)
(IEC 60068-1)
(at 25
°C)
Dimensional drawing
Dimensions in mm
Approx. weight 140 mg
(in air)
(in air)
(V = 100 V DC)
(t = 1 s)
P
25
∆R
R
/R
R
T
R
δ
th
τ
c
C
th
R
ins
V
test
55/260/56
50
±1, ±2, ±3
25
approx. 1.5
approx. 18
approx. 27
≥
100
500
mW
%
°C
mW/K
s
mJ/K
MΩ
V DC
1) Medium: NaCl-solution; Temperature: Room temperature
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 19
Temperature measurement
Glass-encapsulated sensors for media contact
B57565G1
G1565
Electrical specification and ordering codes
R
25
Ω
10 k
No. of R/T
B
25/85
characteristic K
8307
3478
B
0/100
K
3450
B
25/100
K
3492
±1%
Ordering code
B57565G1103+000
+ = Resistance tolerance
F =
±1%
G =
±2%
H =
±3%
Note
The type series G1565 has a specially designed insulation (coating, wire coating) to withstand the
named media tests. Therefore these sensors must be protected to avoid any damage of the
insulation material during handling and in the application. The non-insulated area of the NTC
element must not have contact with the media or vapor thereof.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 19
Temperature measurement
Glass-encapsulated sensors for media contact
B57565G1
G1565
Reliability data
Test
Storage in
dry heat
Standard
IEC
60068-2-2
Test conditions
∆R
25
/R
25
(typical)
< 3%
Remarks
No visible
damage
Storage at upper
category temperature
T: 260
°C
t: 1000 h
Storage in damp
IEC
Temperature of air: 85
°C
heat, steady state
60068-2-67 Relative humidity of air: 85%
Duration: 1000 h
Rapid temperature
IEC
Lower test temperature: 55
°C
cycling
60068-2-14 Upper test temperature: 200
°C
Number of cycles: 1000
Storage in
T: 140
°C
motor oil, synthetic
t: 2000 h
Shock test in motor oil
10000 cycles
+25
°C/+125 °C
Storage in transmission oil,
T: 140
°C
synthetic
t: 2000 h
Shock test in transmission
10000 cycles
oil
+25
°C/+125 °C
Motor fuels: Gasoline
T: 25
°C
(ÖNORM EN 228)
t: 2000 h
Diesel (ÖNORM EN 590)
Biodiesel (FAME & RME
quality)
Storage in
With 0.3 V DC on NTC over
anti freeze protection
protective resistor
cleaner solvent
T: 25
°C
windshield cleaner
t: 168 h
breaking fluid
ethanol
ethanol/gasoline
< 3%
No visible
damage
No visible
damage
No visible
damage
No visible
damage
No visible
damage
No visible
damage
No visible
damage
< 3%
< 3%
< 3%
< 3%
< 3%
< 3%
< 3%
No visible
damage
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 19
Temperature measurement
Glass-encapsulated sensors for media contact
B57565G1
G1565
Reliability data according to AEC Q200, Rev. D
Test
High temperature
exposure (storage)
Operational life
Standard
MIL-STD-202,
method 108
MIL-STD-202,
method 108
Test conditions
∆R
25
/R
25
(typical)
< 2%
< 2%
Remarks
No visible
damage
No visible
damage
No visible
damage
Temperature
cycling
Terminal strength
(leaded)
Mechanical shock
Storage at T = +125
°C
t = 1000 h
1000 h / +125
°C
Test voltage max. 0.3 V DC on
NTC
1)
JESD 22,
Lower test temperature: 55
°C
method JA-104 Upper test temperature: 125
°C
1000 cycles
Dwell time: max. 30 min at each
temperature
Transition time in air: max. 1 min
MIL-STD-202, Test leaded device integrity
method 211
Condition A: 2.27 N
2)
MIL-STD-202,
method 213,
condition C
MIL-STD-202,
method 204
Acceleration: 40
g
2)
Pulse duration: 6 ms
Number of bumps: 3, each
direction
Acceleration: 5
g
t = 20 min
12 cycles in each of 3 directions
Frequency range: 10 to 2000 Hz
< 2%
< 1%
< 1%
No visible
damage
No visible
damage
Vibration
< 1%
No visible
damage
1) Self heating of the NTC thermistor must not exceed 0.2 K, steady state. Test conditions deviating from AEC Q200, Rev. D.
2) Deviating from AEC Q200, Rev. D.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 5 of 19
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