B57981 EPCOS AG, B57981 Datasheet - Page 2

• Manufacturer Part Number: B57981
• Description: Ntc Thermistors For Temperature Measurement
• Manufacturer: EPCOS AG

Applications
Features
Options
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
Electrical specification and ordering codes
R
10 k
10 k
30 k
+ = Resistance tolerance
Please read Cautions and warnings and
Important notes at the end of this document.
Temperature measurement
Leaded NTC thermistors, lead spacing 2.5 mm
2.1 k
25
Temperature measurement
Flexible epoxy coating of head and wires
High measuring accuracy
Cost-effective
Rugged design
Tinned copper leads
Lead spacing 2.5 mm
Alternative coating length of wires on request
F = 1%
H = 3%
J = 5%
No. of R/T
characteristic
1008
2003
2908
8018
(IEC 60068-1)
(at 25 C)
(in air)
(in air)
Page 2 of 18
B
K
3560 1%
3980 1%
3460 1%
3964 1%
Dimensional drawing
Dimensions in mm
Approx. weight 150 mg
25/100
P
T
C
c
th
R
R
25
th
R
/R
R
55/155/56
100
25
approx. 4
approx. 11.5
approx. 46
1, 3, 5
Ordering code
B57981S0212+000
B57981S0103+001
B57981S0103+002
B57981S0303+000
B57981S
mW
%
mW/K
s
mJ/K
C
S981