NTC Power Thermistors
Inrush Current Limiters
SCK
Series
MERITEK
UL E223037
F
EATURES
High inrush current capacity
Small power loss in steady state
(Normally IW or less than 50W power.)
High thermal and electrical stability
Wide selection of electrical characteristics
Special coating material: available silicone
P
ART
N
UMBERING
S
YSTEM
SCK
Meritek Series
Element Size (Diameter in m/m)
08
10
3
M
Zero power resistance at 25
o
C(Ω)
2~3 significant digits
Max steady state current at 25
o
C(A)
Tolerance
CODE
L
+15%
Blank
Straight
M
+20%
Y
Kinked Y
Lead Type
CODE
Package
CODE
Blank
Bulk
TR
Tape & Reel
D
IMENSIONS
:
Disc Ø
05
08
10
13
15
20
25
30
D max
6.5
9.5
11.5
14.5
16.5
21.5
29
36
L min
29
25
25
25
25
24
25
23
d
0.8 ± 0.02
0.8 ± 0.02
0.8 ± 0.02
0.8 ± 0.02
1.0 ± 0.02
1.0 ± 0.02
1.0 ± 0.02
1.0 ± 0.02
P
4 ± 0.6
5 ± 0.8
5 ± 0.8
7.5 ± 1
7.5 ± 1
7.5 ± 1
7.5 ± 1
7.5 ± 1
Unit: mm
Tmax
5
5
5
6
6
6
7
8
rev.6a
Specifications are
subject to change without notice.
NTC Power Thermistors
SCK
Series
MERITEK
S
PECIFICATIONS
SCK 05
Part No
SCK05-052
SCK05-081
SCK05101
SCK05-121
SCK05-20X3
Zero Power
Resistance
at 25
o
C ( )
5
8
10
12
20
Max.Steady
State Current
at 25
o
C ( A )
2
1
1
1
0.3
Residual
Max. Power
o
Resistance
rating at 25 C
at 25
o
C ( m ) (W)
429
1089
1126
1184
5560
1.8
Thermal
Dissipation
Constant
( mW/
o
C )
Thermal
Operating
Time Constant Temperature
( Sec. )
(
o
C )
15
17
-40~+150
SCK 08
Part No
SCK08-042
SCK08-04R72
SCK08-053
SCK08-063
SCK08-073
SCK08-082
SCK08-102
SCK08-152
SCK08-201
SCK08-30X
Zero Power
Resistance
at 25
o
C ( )
4
4.7
5
6
7
8
10
15
20
30
Max.Steady
State Current
at 25
o
C ( A )
2
2
3
3
3
2
2
2
1
0.5
Residual
Max. Power
o
Resistance
rating at 25 C
o
at 25 C ( m ) (W)
441
445
261
283
287
520
542
548
1544
4094
Thermal
Dissipation
Constant
( mW/
o
C )
Thermal
Operating
Time Constant Temperature
( Sec. )
(
o
C )
2.3
16
38
-40~+170
SCK 10
Part No
SCK10-015
SCK10-1R35
SCK10-1R55
SCK10-2R55
SCK10-035
SCK10-044
SCK10-054
SCK10-6R83
SCK10-083
SCK10-103
SCK10-123
SCK10-133
SCK10-152X
SCK10-162X
SCK10-202
SCK10-222
SCK10-252
SCK10-302
SCK10-472
SCK10-502
SCK10-801
SCK10-1001
SCK10-1201
Zero Power
Resistance
o
at 25 C ( )
1
1.3
1.5
2.5
3
4
5
6.8
8
10
12
13
15
16
20
22
25
30
47
50
80
100
120
Max.Steady
State Current
o
at 25 C ( A )
5
5
5
5
5
4
4
4
3
3
3
3
2.5
2.5
2
2
2
2
2
2
1
1
1
Residual
Max. Power
Resistance
rating at 25
o
C
o
at 25 C ( m ) (W)
91
101
120
120
119
161
180
180
278
297
301
356
442
442
646
646
674
700
720
813
2236
2318
2406
Thermal
Dissipation
Constant
o
( mW/ C )
Thermal
Operating
Time Constant Temperature
o
( Sec. )
(C )
2.4
17
43
-40~+170
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