EU
WIRE WOUND
RoHS
Coat-Insulated Miniature Wirewound Resistors
CW
■Construction
①
②
t
t
③
⑤
④
L
D
①ꢀInsulation coating
②ꢀResistive wire
③ꢀLead wire
④ꢀElectrode cap
⑤ꢀCeramic core
Coating color:Gree(n CW1/4)、Blu(e CW、CW□X、CW□P)
Black(CW1S、CW1SS)
※1
Marking:Color cod(e CW、CW□X、CW1SS )
Alphanumeri(c CW□P、CW1S)
※1 Two silver lines for CW1SS.
■Dimensions
Dimensions(mm)
ℓ±3.0※2
d(Nominal)
Weigh(t g)
(1000pcs)
140
Type
L
D
t Max.
0.5
1
CW1/4
CW1/2
CW1
CW1X
CW1P
CW2
CW2X
CW2P
CW3
CW3X
CW3P
CW5
3.3±0.3
6.5±1.0
1.9±0.3
2.5±1.0
3.5±1.0
0.45
0.60
250
■Features
・Products meet EU-RoHS requirements.
・CW1SS has UL1412 approval. (File No. E320246)
・Automatic mounting machine is applicable by surface mounted
device style lead forming.
+1.5
9.0±1.0
12±1.0
15±1.0
3.5-0
3
3
3
650
950
3.5±1.0
4.0±1.0
30
+1.5
4.0-0
0.80
0.60
4.0±1.0
6.0±1.0
+1.5
6.0-0
1780
・Flame retardant coating (Equivalent to UL94 V-0)
6.0±1.0
9.0±1.5
24±1.5
6.5±1.0
38
30
3
1
4400
250
CW1S
CW1SS
2.5±1.0
■Type Designation
ꢀExample
※2 Lead length changes depending on taping and forming type.
CW
3
P
C
T521
A
10R0
F
Product
Code
Power
Rating
Style
Terminal
Surface Material
Taping &
Forming
Packaging
Nominal※3
Resistance
Resistance
Tolerance
1/4:0.25W
1/2:0.5W
1:1W
2:2W
3:3W
Nil:Power type(R≧0.1Ω)
X:Power type(R<0.1Ω)
P:Precision type
S:Small type
SS:Small type, UL approved.
C:SnCu
See table
below
A:AMMO
R:REEL
TEB・TEG:
Plastic embossed (N forming)
Nil:BOX
C, D, F:4 digits
G, J, K:3 digits
C:±0.25%
D:±0.5%
F:±1%
G:±2%
J:±5%
5:5W
K:±10%
Contact us when you have control request for environmental hazardous material other than the
substance specified by EU-RoHS.
For further information on taping and forming, please refer to APPENDIX C on the back pages.
Resistance Value
(Ω)
Resistance Value
(Ω)
3 digits
4 digits
10m~91m
0.1~0.91
1~9.1
10L~91L
R10~R91
1R0~9R1
0.1~0.976
1~9.76
R100~R976
1R00~9R76
■Taping & Forming Matrix
Axial Taping
Stand-off axial taping
Radial Taping
L Forming
L20A
N Forming
Type
T26
○
T52
○
T521
T631
L52
VTP
GT
L10A
L12.5A
L15A
L25A
L30A
L35A
N17
N20
CW1/4
CW1/2
CW1
○
○
○
○
○
○
○
○
※3
○
○
○
CW2
CW3
○
○
○
○
○
○
○
○
○
○
○
○
○
CW5
○
○
CW1X
CW2X
CW3X
CW1S
CW1SS
CW1P
CW2P
CW3P
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
○
※3
○
○
○
○
○
○
○
○
○
○
○
○
※3 Applicable to 0.47Ω or over.
■Ratings
Resistance Range(Ω)
Taping & Q'ty/AMMO
(pcs)
Rated
Operating
Temp.
Power
Rating
T.C.R.
Type
Ambient
C:±0.25% D:±0.5%
F:±1%
E24・E96
G:±2%
E24
J:±5%
K:±10%
-6
(×10 /K)
Temp.
Range
E24・E96
E24・E96
E24
E24
T26A
2,000
-
-
-
-
-
-
-
-
-
-
-
-
-
T52A
3,000
2,000
1,000
1,000
-
T521A
-
-
T631A
-
-
-
-
500
-
-
-
500
-
CW1/4
CW1/2
CW1
CW2
CW3
0.25W
0.5W
1W
2W
3W
5W
1W
2W
3W
1W
1W
1W
2W
-
-
-
-
-
-
-
-
-
-
0.47~15
0.1 ~100 0.1 ~100
0.47~15
-
-
-
-
0.1~390 0.1 ~390
0.1~390 0.1 ~390
0.1~390 0.1 ~390
0.1~390 0.1 ~390
-
-
-
-
-
±250
-
-
-
-
1,000
1,500
-
-40℃00000
00 ~+155℃
CW5
+70℃
-
-
-
-
-
CW1X
CW2X
CW3X
CW1S
CW1SS
CW1P
CW2P
CW3P
-
-
-
-
-
-
-
-
-
-
-
-
-
0.01~0.091 0.01~0.091
0.01~0.091 0.01~0.091
0.01~0.091 0.01~0.091
0.1 ~100 0.1 ~100
1,000
-
-
2,000
2,000
1,000
1,000
-
-
-
-
-
-
±500
1,000
1,500
-
-
-
1,000
1,500
-
-
-
-
±250
±100
10
-
-
-
-
-
-
-
-
-
-
500
1~100
1~390
1~390
0.47~220
0.47~390
0.47~390
0.1~430
0.1~390
0.1~390
±90:R≧10Ω -40℃00000
±50:R<10Ω 000~+155℃
+25℃
3W
Rated voltage= Power Rating×Resistance value.
√‾‾‾‾‾‾‾‾‾‾‾‾
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
Specifications given herein may be changed at any time without prior notice. Please confirm technical specifications before you order and/or use.
Oct. 2020
Oct. 2023
Contact our sales representatives before you use our products for applications including automotives, medical equipment and aerospace equipment.
Contact our sales representatives before you use our products for applications including automotives, medical equipment and aerospace equipment.
Malfunction or failure of the products in such applications may cause loss of human life or serious damage.
Malfunction or failure of the products in such applications may cause loss of human life or serious damage.
www.koaglobal.com
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