B57236 Epcos, B57236 Datasheet - Page 2

• Manufacturer Part Number: B57236
• Description: NTC Thermistors for Inrush Current Limiting
• Manufacturer: Epcos

Applications
Features
Options
Resistance tolerance <20% and alternative
lead configurations available on request
Delivery mode
Bulk (standard),
cardboard tape, reeled or in Ammo pack
General technical data
Climatic category
Max. power
Resistance tolerance
Rated temperature
B value tolerance
Dissipation factor
Thermal cooling time constant
Heat capacity
Electrical specification and ordering codes
R
10
12
16
20
25
50
80
1) For details on the capacitance C
Please read Important notes and
Cautions and warnings at the end of this document.
Inrush current limiters
ICLs
2.5 5.5
3
5
8
25
Switch-mode power supplies
Useable in series connections up to 265 V
Coated thermistor disk
Kinked leads of tinned copper wire
Wide resistance range
UL approval (E69802)
I
(0...65 C)
A
5.0
4.5
3.5
3.5
3.2
2.9
2.8
2.5
1.9
1.6
max
No. of
R/T char-
acteristic
1201
1201
1202
1203
1203
1203
1207
1208
1208
1209
1304
test
as well as on the parameters k and n refer to "Application Notes", chapters 2.6 and 2.7.
B
K
2700
2700
2800
2900
2900
2900
2965
3065
3065
3165
3300
25/100
(IEC 60068-1)
(at 25 C)
(in air)
(in air)
C
230 V
200
300
300
300
300
300
300
300
300
300
400
F
test
rms
1)
Page 2 of 6
C
110 V
1200
1200
1200
1200
1200
1200
1200
1200
1200
1600
F
800
Dimensional drawing
Dimensions in mm
Approx. weight 1 g
test
1)
P
T
C
c
Param.
for R(I)
k
0.621
0.804
0.761
1.11
0.942
1.00
1.08
1.13
1.22
1.44
1.64
th
R
R
B/B
max
th
R
/R
R
1)
55/170/21
2.1
25
approx. 10
approx. 70
approx. 700
Param.
for R(I)
n
20
3
1.27
1.34
1.30
1.34
1.32
1.32
1.33
1.34
1.34
1.38
1.37
1)
Ordering code
B57236S0259M000
B57236S0309M000
B57236S0509M000
B57236S0809M000
B57236S0100M000
B57236S0120M000
B57236S0160M000
B57236S0200M000
B57236S0250M000
B57236S0500M000
B57236S0800M000
W
%
%
mW/K
s
mJ/K
B57236
C
S236