EPCOS B57550 User Manual
B57550Temperature Measurement
G550Glass-Encapsulated Sensors
Applications
■ Automotive electronics
■ Industrial electronics
■ Home appliances
Features
■ Glass-encapsulated, heat-resistive and highly stable
■ For temperature measurement up to 300 °C
■ Fast response
■ Small dimensions
■ Leads: dumet wires (copper-clad FeNi)
Options
Leads: nickel-plated wires
Delivery mode
Bulk
Climatic category (IEC 60068-1)
Max. power at 25
Resistance tolerance ∆RN/R
Rated temperature T
Dissipation factor (in air) δ
Thermal cooling time constant (in air) τ
Heat capacity C
R
25
Ω
2 k 8401 3420 3390
5 k 8402 3480 3450
10 k 8407 3480 3450
20 k 8415 3992 3970
30 k 8415 3992 3970
50 k 8403 3992 3970
100 k 8404 4066 4036
230 k 8405 4240 4537
1400 k 8406 4557 5133
°C P
No. of R/T
characteristic
B
25/85
K
25
N
N
th
c
th
B
0/100
K
± 1 % 3436 B57550G0202+
± 1 % 3497 B57550G0502+
± 1 % 3497 B57550G0103+
± 1 % 4006 B57550G0203+
± 1 % 4006 B57550G0303+
± 1 % 4006 B57550G0503+
± 1 % 4085 B57550G0104+
1)
± 1 %
2)
± 2 %
Dimensions
in mm
55/300/56
32
mW
± 1 %, ± 3 %, ± 5 %
25
approx. 0,75
approx. 7
approx. 5
B
25/100
Ordering code
°C
mW/K
s
mJ/K
K
4264 B57550G0234+
4581 B57550G0145+
ø1,3±0,2
2,2±0,4
71±5
TNT0280-6
ø0,2
+: F000 for
H000 for
J000 for
1) B
100/200
2) B
200/300
∆R
= ± 1 %; F002 for ∆RN/RN = ± 1 % for nickel-plated wires
N/RN
∆R
= ± 3 %; H002 for ∆RN/RN = ± 3 % for nickel-plated wires
N/RN
∆R
= ± 5 %; J002 for ∆RN/RN = ± 5 % for nickel-plated wires
N/RN
102 05/02
Reliability data
Test Standard Test conditions
Storage in
dry heat
IEC
60068-2-2
Storage at upper
category temperature
°C
T: 300
t: 1000 h
Storage in damp
heat, steady state
IEC
60068-2-3
Temperature of air: 85
Relative humidity of air: 85 %
Duration: 56 days
Rapid temperature
cycling
IEC
60068-2-14
Lower test temperature: – 55
Upper test temperature: 200
Number of cycles: 1000
°C
∆R
25/R25
(typical)
< 3 % No visible
< 2 % No visible
°C
< 2 % No visible
°C
B57550Temperature Measurement
G550Glass-Encapsulated Sensors
Remarks
damage
damage
damage
103 05/02
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