RESISTORS
STANDARD
CF • CFP
RESISTORS
CARBON film
STRUCTURE
1
2
3
4
5
6
7
Ceramic core
Trimmed carbon film
Steel cap (Cu, Sn plated)
Lead wire
Welding joint
Epoxy resin overcoating
Marking
Identification
produCt code
coating color
marking
CFS 1/4
Ivory
CF 1/4, CFB 1/2
Venetian Red
CFS 1/2
CFP series
Green
Color Code
(R-value
and
tolerance)
TYPE DESIGNATION (HOW TO ORDER)
*
1/4
C
T52
A
PRODUCT CODE
POWER RATING
S1/4: 0.25W
1/4: 0.25W
B1/2: 0.5W
S1/2: 0.5W
Termination
Surface Material
Taping &
FORMING
PACKAGING
CF, CFP
C: SnCu
NOMINAL
RESISTANCE
Contact us when you have
control request for environmental
hazardous material other than the
substance specified by EU-RoHS
J
RESISTANCE
TOLERANCE
3 digits
A: Ammo
R: Reel
103
G: (±2%)
J: (±5%)
*Please see “PACKAGING”
Dimensions (mm)
Features
■ General purpose lead-type resistor
■ Automatic insertion is applicable
■ Various types of forming are available
■ Stronger in pulse resistance than chip resistors of the same power
■ CFP = Flame retardant coating (Equivalent to UL94 V-0)
■ CF (P) S = Reduced size
■ Meets or exceeds IEC 60115-2, JIS C 5201-2
■ Rated ambient temperature: +70°C
■ Operating temperature range: -55°C ... +155°C
Type
L
CF (P) S 1/4
CF 1/4
CFP 1/4
CF (P) B 1/2
CF (P) S 1/2
C Max.
3.2 ± 0.2
6.1 ± 0.5
6.1 ± 0.5
9.0 ± 1.0
6.3 ± 0.5
øD
ø d (nom.)
+ 0.2
- 0.1
3.4
7.1
11.0
7.1
1.7
2.3 ± 0.3
3.5 ± 0.5
2.85 ± 0.3
l**
Standard
0.45
0.6
0.7
0.6
20 Min.
Short
14 Min.*
–
–
* Forming code S is appplied for bulk type
** ead length changes depending on taping and forming type
L
SURFACE TEMPERATURE RISE
DERATING CURVE
LOAD LIFE AT +70°C/1000h
Percent rated power (%)
Specifications given herein may be changed at any time without prior notice.
Please confirm technical specifications before you order/or use.
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.
CF
All these products have Pb-free terminations and
meet EU-RoHS and China-RoHS requirements
Ambient temperature (°C)
RATING
DIN
SIZE
TYPE
T.C.R.
(ppm/K)
POWER
RATING*
+350... -450
0... -700
0204
CFS 1/4 C
0.25 W
2.2Ω...47kΩ
0207
CF 1/4 C
0.25 W
2.2Ω...100kΩ 110kΩ...330kΩ
0411
CFB 1/2 C
0.5 W
2.2Ω...100kΩ
110kΩ...1MΩ
0307
CFS 1/2 C
0.5 W
2.2Ω...91kΩ
100kΩ...1MΩ
0204
CFPS 1/4 C
0.25 W
2.2Ω...47kΩ
51kΩ...100kΩ
0207
CFP 1/4 C
0.25 W
2.2Ω...100kΩ 110kΩ...330kΩ
0411
CFPB 1/2 C
0.5 W
2.2Ω...100kΩ
0307
CFPS 1/2 C
0.5 W
2.2Ω ~ 91kΩ
51kΩ...100kΩ
0... -1000
0... -1300
110kΩ...330kΩ 360kΩ...1MΩ
MAX.
WORKING
VOLTAGE
MAX.
OVERLOAD
VOLTAGE
RESISTANCE RANGE
DIELECTRIC
WITHSTANDING
VOLTAGE
G (±2%)
J (±5%)
10Ω... 330kΩ
2.2Ω ... 1MΩ
E24
250 V
500 V
300 V
360kΩ...1MΩ 1.1MΩ...5.1MΩ
300 V
600 V
500 V
1.1MΩ...2.2MΩ 2.4MΩ...5.1MΩ
400 V
800 V
10Ω...1MΩ
1.1MΩ...2.2MΩ 2.4MΩ...5.1MΩ
350 V
700 V
110kΩ...330kΩ 360kΩ...1MΩ
700 V
250 V
500 V
300 V
360kΩ...1MΩ
–
300 V
600 V
500 V
110kΩ...1MΩ
–
–
400 V
800 V
100kΩ...1MΩ
–
–
350 V
700 V
700 V
2.2Ω... 5.1MΩ
10Ω...100kΩ
10Ω...1MΩ
2.2Ω... 1MΩ
*For resistors operated in ambient temperature over +70°C, power rating shall be derated like shown in above "DERATING CURVE".
z
Rated voltage = Power rating x resistance value or max. working voltage, whichever is lower.
EUROPE GmbH • Kaddenbusch 6 • D-25578 Dägeling / ITZEHOE • PHONE: +49 (0) 48 21 / 89 89-0 • FAX: +49 (0) 48 21/ 89 89 89 • Internet: www.koaeurope.de
105
Revision: 14. Dec. 2009
