Metal
Film Precision MELF Resistors
Metal Film Precision Resistor－CSR Series
■Construction
6
1
MFMP
Series
MERITEK
5
2 3 4
ΦD
K
L
1
Insulation Coating
2
Trimming Line
3
Ceramic Rod
4
5
6
Electrode Cap
Resistor Layer
Marking
■Features
－Excellent
overall stability
－Tight
tolerance down to ±0.1%
－Extremely
low TCR down to ±10 PPM/°C
－High
power rating up to 1 Watt
■Dimensions
Type
MFMP0204
MFMP0207
L
3.50±0.20
5.90±0.20
ΦD
1.40±0.15
2.20±0.20
K
min.
0.5
0.5
Weight (g)
(1000pcs)
18.7
80.9
Unit: mm
Packaging
180mm (7”)
3,000EA
2,000EA
■Applications
－Automotive
－Telecommunication
－Medical
Equipment
■Part
Numbering
MFMP
Product
Type
0204
Dimensions
(L×ΦD)
0204: 3.5x1.4
0207: 5.9x2.2
V
Power
Rating
T: 1W
U: 1/2W
V: 1/4W
1
0100: 10ohm
1000: 100ohm
2201: 2200ohm
1001: 1Kohm
1004: 1Mohm
1000
Resistance
D
Resistance
Tolerance
B: ±0.1%
C: ±0.25%
D: ±0.5%
D: ±50
E: ±100
D
TCR
(PPM/°C)
B: ±10
N: ±15
C: ±25
D: ±50
E: ±100
■Derating
Curve
100
Power ratio(%)
80
60
40
20
0
0
20
40
60
80
100
120
140
160
180
Ambient Temperature(℃)
1
REV. 6B
■
Standard Electrical Specifications
Item
Type
Power
Rating
at 70°C
Operating
Max.
Temp.
Operating
Range
Voltage
Max.
Overload
Voltage
Resistance Range
±0.1%
100Ω-20KΩ
100Ω-100KΩ
0204
1/4W
-55 ~
+155°C
200V
400V
100Ω-270KΩ
100Ω-270KΩ
10Ω-330KΩ
1Ω-330KΩ
-
100Ω-20KΩ
0207
1/2W
-55 ~
+155°C
100Ω-100KΩ
300V
500V
100Ω-400KΩ
100Ω-400KΩ
10Ω-400KΩ
1Ω-330KΩ
-
±0.25%
±0.5%
±1%
10Ω-20KΩ
10Ω-100KΩ
4.7Ω-560KΩ
1Ω-1MΩ
4.7Ω-1MΩ
1Ω-10MΩ
5.11MΩ-10MΩ
±5%
TCR
(PPM/°C)
±10
±15
±25
±50
-
0.1Ω-0.91Ω
10Ω-20KΩ
10Ω-100KΩ
10Ω-560KΩ
1Ω-1MΩ
10Ω-560KΩ
1Ω-5.1MΩ
0.1Ω-0.91Ω
±100
±10
±15
±25
±50
±100
■High
Power Rating Electrical Specifications
Item
Type
Power
Rating
at 70°C
Operating
Max.
Max.
Temp.
Operating Overload
Range
Voltage
Voltage
Resistance Range
±0.1%
100Ω-100KΩ
0207
1W
-55 ~
+155°C
350V
700V
100Ω-100KΩ 4.7Ω - 1MΩ
100Ω-100KΩ
10Ω - 1MΩ
-
±0.25%
±0.5%
4.7Ω - 1MΩ
1Ω - 1MΩ
±1%
±5%
±15
±25
±50
±100
TCR
(PPM/°C)
10Ω-100KΩ
4.7Ω-560KΩ
1Ω - 2.2MΩ
0.1Ω – 0.91Ω
■Environmental
Characteristics
Item
Temperature Coefficient of
Resistance (T.C.R.)
Short Time Overload
Endurance
Humidity
with
Loa
As Spec.
Requirement
Test Method
+20/-15/+20/+100/+20°C
RCWV*2.5 or Max. overload voltage for 5 seconds
70±2°C, Max. working voltage for 1000 hrs with 1.5 hrs
“ON” and 0.5 hrs “OFF”
40±2°C, 90~95% R.H. Max. working voltage for 1000 hrs
with 1.5 hrs “ON” and 0.5 hrs “OFF”
at +155°C for 1000 hrs
245±5°C for 3 seconds
260±5°C for 10 seconds
△R±0.5%
△R±2%
△R±2%
Dry Heat
Solderability
Resistance to Soldering Heat
△R±2%
95%min. coverage
△R±0.5%
Reference Standards: JIS-C 5201-1
Storage Temperature: 25±3°C; Humidity < 80%RH
2
REV. 6B
