metal film
Standard
MF • MFP
STRUCTURE
1
2
3
4
5
6
7
Ceramic core
Trimmed metal film
Steel cap (Cu, Sn plated)
Lead wire
Welding joint
Epoxy resin overcoating
Marking
Identification
coating color
Light Grey
Light Blue
MF
MFP
TYPE DESIGNATION (HOW TO ORDER)
MF
1/4
PRODUCT
CODE
D
C
POWER RATING
T.C.R.
Unit: Watt
E: ±25ppm/K
C: ±50ppm/K
D: ±100ppm/K
L: ±200ppm/K
TERMINATION
SURFACE
MATERIAL
MFS, MF,
MFP
*
T52
A
TAPING &
FORMING
PACKAGING
C: SnCu
A: Ammo
R: Reel
*Please see “PACKAGING”
marking
All these products have Pb-free terminations and
meet EU-RoHS and China-RoHS requirements
Color Code
(R-value and tolerance)
1002
NOMINAL
RESISTANCE
RESISTANCE
TOLERANCE
B,C,D,F: 4 digits
G: 3 digits
Contact us when you have control request for environmental hazardous
material other than the substance specified by EU-RoHS
F
B, C, D, F, G
Dimensions (mm)
Features
■ High precision and low T.C.R. metal film resistor
■ Automatic insertion is applicable
■ Various formings are available
■ Excellent long term stability
■ MFP = Flame retardant coating
■ MFS = Reduced size
■ Meets or exceeds IEC 60115-1, JIS C 5201-1, EIAJ RC-2137 (MF-series)
■ Rated ambient temperature: +70°C
■ Operating temperature range: -55°C ... +155°C
Type
l
MFS 1/4
MF 1/4
MFP 1/4
MF 1/2
MFP 1/2
MF 1
C Max.
3.2 ± 0.2
6.3 ± 0.5
6.5 ± 0.5
9.0 ± 1.0
9.5 ± 1.0
15.5 ± 1.0
ø d (nom.)
ød
3.4
1.7
+0.2
- 0.1
l*
0.45
7.1
11.1
12
18.3
2.3 ± 0.3
3.5 ± 0.4
3.5 ± 0.5
5.5 ± 0.5
0.60
0.8
30 ± 3
38 ±
* ead length changes depending on taping and forming type
L
derating curve
Ambient temperature (°C)
RATING
DIN
SIZE
TYPE
0204
0207
0411
0617
0207
0411
MFS 1/4 C C
MFS 1/4 D C
MF 1/4 E C
MF 1/4 C C
MF 1/4 D C
MF 1/4 L C
MF 1/2 E C
MF 1/2 C C
MF 1/2 D C
MF 1/2 L C
MF 1 E C
MFP 1/4 D C
MFP 1/2 D C
T.C.R.
(ppm/K)
POWER
RATING*
MAX.
WORKING
VOLTAGE
MAX.
OVERLOAD
VOLTAGE
C (± 50)
D (± 100)
E (± 25)
C (± 50)
D (± 100)
L (± 200)
E (± 25)
C (± 50)
D (± 100)
L (± 200)
E (± 25)
D (± 100)
0.25 W
250 V
350 V
158 V
223 V
B (±0.1%)
C (±0.25%)
300 V
–
–
500 V
0.5 W
1W
0.25 W
0.5 W
RESISTANCE RANGE
DIELECTRIC
WITHSTANDING
VOLTAGE
E24 • E96
E24 • E96
30.1Ω…750kΩ
30.1Ω…1MΩ
500 V
–
–
47.5Ω…1MΩ
47.5Ω…1.5MΩ
700 V
700 V
–
–
47.5Ω…2MΩ
47.5Ω…2.49MΩ
395 V
500 V
–
–
557 V
E24 • E96
E24
D (±0.5%)
F (±1%)
G (±2%)
49.9Ω…562kΩ
10Ω…1MΩ
–
E24 • E192
30.1Ω…1MΩ
30.1Ω…1MΩ
10Ω…2.21MΩ
10Ω…2.21MΩ
—
1.0Ω…10Ω
47.5Ω…2MΩ
47.5Ω…2MΩ
10Ω…4.99MΩ
10Ω…5.05MΩ
10Ω…5.11MΩ
–
1.0Ω…10Ω
47.5Ω…4.64MΩ 47.5Ω…5.11MΩ
–
10Ω…100kΩ**
_
0.51Ω…10Ω
–
0.51Ω…10Ω
–
–
* For resistors operated in ambient temperature over +70°C, power rating shall be derated like shown in above „Derating Curve“
** Please refer to „SNF“-series for other ohmic values.
Rated voltage = Power rating x resistance value or max. working voltage, whichever is lower.
z
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
106
Revision: 14. Dec. 2009
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.
produCt code
Specifications given herein may be changed at any time without prior notice.
Please confirm technical specifications before you order/or use.
RESISTORS
RESISTORS