NTC thermistors for
temperature measurement
Leaded NTC thermistors,
lead spacing 5 mm
Series/Type:
Date:
B57875S
March 2013
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information contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
Temperature measurement
Leaded NTC thermistors, lead spacing 5 mm
B57875S
S875
Applications
Temperature measurement
Features
High measuring accuracy
Cost-effective
Rugged design, epoxy resin encapsulation
Tinned copper leads
Lead spacing 5 mm
Options
Flexible coating of head and wires available
on request
Delivery mode
Bulk (standard), cardboard tape, reeled or in
Ammo pack on request
General technical data
Climatic category
Max. power
Resistance tolerance
Rated temperature
Dissipation factor
Thermal cooling time constant
Heat capacity
(IEC 60068-1)
(at 25
°C)
Dimensional drawing
Dimensions in mm
Approx. weight 120 mg
(in air)
(in air)
P
25
∆R
R
/R
R
T
R
δ
th
τ
c
C
th
55/155/56
60
±1, ±3, ±5
25
approx. 3.8
approx. 7.5
approx. 28.5
mW
%
°C
mW/K
s
mJ/K
Electrical specification and ordering codes
R
25
Ω
2.1 k
10 k
10 k
12 k
30 k
+ = Resistance tolerance
F =
±1%
H =
±3%
J =
±5%
No. of R/T
characteristic
1008
8016
2908
2901
8018
B
25/100
K
3560
±1%
3988
±1%
3460
±1%
3760
±1%
3964
±1%
Ordering code
B57875S0212+000
B57875S0103+001
B57875S0103+002
B57875S0123+000
B57875S0303+000
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 2 of 27
Temperature measurement
Leaded NTC thermistors, lead spacing 5 mm
B57875S
S875
Reliability data
Test
Storage in
dry heat
Standard
IEC
60068-2-2
Test conditions
∆R
25
/R
25
(typical)
< 2%
Remarks
No visible
damage
Storage in damp
heat, steady state
Rapid temperature
cycling
Endurance
Long-term stability
(empirical value)
Storage at upper
category temperature
T: 155
°C
t: 1000 h
IEC
Temperature of air: 40
°C
60068-2-78 Relative humidity of air: 93%
Duration: 56 days
IEC
Lower test temperature: 55
°C
60068-2-14 Upper test temperature: 155
°C
Number of cycles: 100
P
max
: 60 mW
t: 1000 h
Temperature: 70
°C
t: 10000 h
< 1%
No visible
damage
No visible
damage
No visible
damage
No visible
damage
< 2%
< 3%
< 3%
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 3 of 27
Temperature measurement
Leaded NTC thermistors, lead spacing 5 mm
B57875S
S875
Reliability data according to AEC Q200, Rev. D
Test
High temperature
exposure (storage)
Biased humidity
Standard
MIL-STD-202,
method 108
MIL-STD-202,
method 103
Test conditions
∆R
25
/R
25
(typical)
< 2%
<2%
Remarks
No visible
damage
No visible
damage
Operational life
Temperature
cycling
Terminal strength
(leaded)
Mechanical shock
Storage at T = 125
°C
t = 1000 h
T = 85
°C
Relative humidity of air 85%
t = 1000 h
Test voltage max. 0.3 V DC on
NTC
1)
MIL-STD-202, T = 125
°C
method 108
t = 1000 h
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%
No visible
damage
< 2%
No visible
damage
< 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.
Note
Contact of NTC thermistors with any liquids and solvents shall be prevented. It must be
ensured that no water enters the NTC thermistors (e.g. through plug terminals).
Avoid dewing and condensation unless thermistor is specified for these conditions.
Please read
Cautions and warnings
and
Important notes
at the end of this document.
Page 4 of 27
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