Thermistor
0102030405
TDK EPCOS B57238S0160M NTC thermistors for inrush current limiting
Electrical specifications
Electrical specification and ordering codes
R25 |
Imax1 |
Ct1 |
Ct2 |
Rmin |
Ordering code |
|
(0...65 °C) |
at 230 V AC |
at 110 V AC |
(at Imax, 25 °C) |
|
Ω |
A |
μF |
μF |
Ω |
|
16 |
4 |
700 |
2800 |
0.246 |
|
22 |
4 |
700 |
2800 |
0.257 |
|
25 |
3.4 |
700 |
2800 |
0.339 |
|
30 |
4 |
700 |
2800 |
0.259 |
|
40 |
4 |
700 |
2800 |
0.281 |
|
47 |
4 |
700 |
2800 |
0.298 |
|
60 |
4 |
700 |
2800 |
0.316 |
Remark: Imax1 & Ct1 in table 1 are tested according to UL and IEC certificat.
**= Delivery mode
00/90=Bulk 51/91=Reel
packing 54/94=Ammo
packing
R25 |
Imax2 |
Ct2 |
Ct2 |
Rmin |
Ordering code |
|
(0...65 °C) |
at 230 V AC |
at 110 V AC |
(at Imax, 25 °C) |
|
Ω |
A |
μF |
μF |
Ω |
|
2.5 |
8.4 |
700 |
2800 |
0.054 |
|
5 |
7 |
868 |
3472 |
0.097 |
|
7 |
5 |
1041 |
4164 |
0.113 |
|
10 |
6 |
955 |
3820 |
0.160 |
|
16 |
4.4 |
868 |
3472 |
0.246 |
|
25 |
4 |
868 |
3472 |
0.339 |
|
30 |
4 |
695 |
2780 |
0.259 |
|
40 |
4 |
612 |
2450 |
0.281 |
|
47 |
4 |
868 |
3472 |
0.298 |
|
60 |
4 |
868 |
3472 |
0.316 |
Remark: Imax2 & Ct2 in table 2 refer to below testing method.
**= Delivery mode
00/90=Bulk 51/91=Reel
packing 54/94=Ammo
packing
Ct2 Test capacitance [μF]
Imax2 Max current across the NTC under test [A]
Number of cycles: 1000
Dimension
Dimension drawings in mm
b |
16.0 max. |
mm |
th |
6.0 max. |
mm |
h |
23.0 max. |
mm |
LL |
25.0 min.2) |
mm |
LD |
1.0 ±0.05 |
mm |
LS |
7.5 ±0.08 |
mm |
1)Seating plane to IEC 60717
2)Effective Lead length acc. taping spec. IEC 60286-2
Approx. weight: 3 g
The Others
-
FEATURES
Leaded and coated NTC thermistorsTinned copper wire, kinkedCoating material flame retardant to UL 94 V-0Component marking includes the manufacturer’s logo, resistance value and data codeHighly stable electrical characteristics -
APPLICATIONS
Inrush current limiting, e.g. in switch-mode power supplies, soft-start motors