RESISTORS
RESISTORS
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
PRODUCT CODE
MF
MFP
COaTIng COLOR
Light Grey
Light Blue
*
MaRKIng
Color Code
(R-value and tolerance)
all these products have Pb-free terminations and
meet EU-RoHS and China-RoHS requirements
TYPE DESIgnaTIOn (HOW TO ORDER)
MF
PRODUCT
CODE
MFS, MF,
MFP
1/4
POWER RATING
Unit: Watt
D
T .C .R .
E: ±25ppm/K
C: ±50ppm/K
D: ±100ppm/K
L: ±200ppm/K
C
TERMINATION
SURFACE
MATERIAL
C: SnCu
T52
TAPING &
FORMING
a
PACKAGING
A: Ammo
R: Reel
1002
NOMINAL
RESISTANCE
B,C,D,F: 4 digits
G: 3 digits
F
RESISTANCE
TOLERANCE
B, C, D, F, G
Contact us when you have control request for environmental hazardous
material other than the substance specified by EU-RoHS
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 .
Specifications given herein may be changed at any time without prior notice.
Please confirm technical specifications before you order/or use.
*Please see “PACKAGING”
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
DIMEnSIOnS (mm)
TYPE
MFS 1/4
MF 1/4
MFP 1/4
MF 1/2
MFP 1/2
MF 1
L
3.2 ± 0.2
6.3 ± 0.5
6.5 ± 0.5
9.0 ± 1.0
9.5 ± 1.0
15.5 ± 1.0
C Max.
3.4
7.1
11.1
12
18.3
øD
1.7
+0.2
- 0.1
ø d (nom.)
0.45
0.60
0.8
l*
2.3 ± 0.3
3.5 ± 0.4
3.5 ± 0.5
5.5 ± 0.5
30 ± 3
38 ±
DERaTIng CURVE
* ead length changes depending on taping and forming type
L
RaTIng
DIn
SIZE
0204
TYPE
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
Ambient temperature (°C)
T.C.R.
(ppm/K)
C (± 50)
D (± 100)
E (± 25)
C (± 50)
D (± 100)
L (± 200)
E (± 25)
C (± 50)
D (± 100)
L (± 200)
E (± 25)
D (± 100)
POWER
RaTIng*
0.25 W
0.5 W
MaX.
WORKIng
VOLTagE
250 V
350 V
158 V
223 V
MaX.
OVERLOaD
VOLTagE
DIELECTRIC
WITH-
STanDIng
VOLTagE
RESISTanCE RangE
E24 • E96
B (±0.1%)
–
30.1Ω…750kΩ
E24 • E96
C (±0.25%)
–
30.1Ω…1MΩ
–
47.5Ω…1.5MΩ
–
47.5Ω…2.49MΩ
–
E24 • E192
D (±0.5%)
49.9Ω…562kΩ
30.1Ω…1MΩ
10Ω…2.21MΩ
—
47.5Ω…2MΩ
10Ω…5.05MΩ
–
47.5Ω…4.64MΩ
–
E24 • E96
F (±1%)
10Ω…1MΩ
30.1Ω…1MΩ
10Ω…2.21MΩ
1.0Ω…10Ω
47.5Ω…2MΩ
10Ω…4.99MΩ
10Ω…5.11MΩ
1.0Ω…10Ω
47.5Ω…5.11MΩ
10Ω…100kΩ**
E24
g (±2%)
–
_
0.51Ω…10Ω
–
0.51Ω…10Ω
–
–
500 V
700 V
395 V
557 V
300 V
500 V
0207
0411
0617
0207
0411
1W
0.25 W
0.5 W
700 V
500 V
–
47.5Ω…1MΩ
–
47.5Ω…2MΩ
–
* 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
Power technology
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