Cement Power Resistors (RoHS Compliant)
CR-RC Series
FEATURES
• Temperature Range: -55°C ~ +155°C
• 5% tolerance
• Exceptionally small, sturdy, and reliable
• Sealed with a special cement
• Excellent moisture resistance
• High temperature stability
• Ceramic flame retardant package
• Recommended wash method is alcohol
HEAT RISE CHART
DERATING CURVE
5W
2
15-
200
10W
Percent Rated Load (%)
Heat Rise (ϒC)
250
5W
150
100
0
20 40 60 80 100
Rated Load (%)
70ϒ
100
155
275
80
60
40
20
0
-50
0 50 100 150 200 250 300
Ambient Temperature (ϒC)
PART NUMBERING SYSTEM
2
8
0
C
Preffix
R
Series
5
-
1
Watts
0
K
-
Value
R
C
Suffix (RoHS Compliant)
POWER RATING, RANGE OF VALUES, AND DIMENSIONS
d
H
I
Watts
(W)
5
10
15
25
Series
CR
CR
CR
CR
I
L
W
Range of Values
Wire Wound
Metal Oxide
0.1 ~ 47
48 ~ 25K
0.1 ~ 910
911 ~ 25K
1 ~ 1K
- - N/A - 2 ~ 1.0K
- - N/A - -
L ±1
22
49
49
64
W ±1
10
10
12.5
14.5
Dimensions (mm)
H ±1
9
9
11.5
13.5
I ±5
35
35
35
35
d ±0.05
0.75
0.75
0.75
0.75
STANDARD STOCKED VALUES (Ω)
0.1
0.15
0.2
0.22
0.27
0.3
0.33
0.39
0.43
0.47
0.5
0.51
0.56
0.62
0.68
0.75
0.82
0.91
1.0
1.1
1.2
1.3
1.5
1.6
1.8
2.0
2.2
2.4
2.7
3.0
3.3
3.6
3.9
4.0
4.3
4.7
5.0
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
25
27
30
33
36
39
43
47
50
51
56
62
68
75
82
91
100
110
120
130
150
160
180
200
220
240
250
270
300
330
360
390
430
470
500
510
560
620
680
750
820
910
1.0K
1.1K
1.2K
1.3K
1.5K
1.6K
1.8K
2.0K
2.2K
2.4K
2.7K
3.0K
3.3K
3.9K
4.7K
5.0K
10K
20K
25K
*Other values available by special request
XICON PASSIVE COMPONENTS • (800) 628-0544
XC-600041
Date Revised: 01/27/16
Specifications are subject to change without notice. No liability or warranty implied by this information. Environmental compliance based on producer documentation.
Cement Power Resistors (RoHS Compliant)
CR-RC Series
CONSTRUCTION
No. Subpart Name
Material
1
Body
Rod Type Ceramics
2
End Cap
Tin plated iron surface
3
Lead
Annealed copper wire
(Electrosolder plated surface) Pb Free
4
Ceramic Case
Ceramic
5 Resistance wire
Ni-Cr Alloy
6 Filling Materials
Quartz mixed sand
Material Generic Name
Al2O3, SiO2
Tin : 5%, Iron : 95%
Tin-Coated Copper wire
Al2O3, SiO2
Ni-Cr Alloy
SiO2
3
4
5
2
6
1
Cement: Wire wound
CHARACTERISTICS
Characteristics
Limits
Test Methods ( JIS C 5201-1 )
5.2 Natural resistance change per temp.
degree centigrade.
R2-R1
Temperature
± 350 PPM / °C Max.
x106
(PPM / °C)
coefficient
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