Metal Film Precision Resistors
CSR Series
Features
•
•
•
•
Excellent overall stability
Tight tolerance down to ±0.1%
Extremely low TCR down to ±10 PPM/°C
High power rating up to 1 Watts
Applications
•
•
•
•
Automotive
Telecommunication
Medical Equipment
Measurement / Testing Equipment
Construction
1
2
3
Insulation Coating
Trimming Line
Ceramic Road
4
5
6
Electrode Cap (Fe, Cu, Sn)
Resistor Layer
Marking
Dimensions
Type
MCFRBTNV
MCFRFTDV
MCFRFTDU
L
3.50 ±0.2
5.90 ±0.2
ΦD
1.40 ±0.15
2.20 ±0.20
K
min.
0.5
0.5
Weight
(g)
(1,000pcs)
18.7
80.9
Packaging
180mm (7″)
3,000EA
2,000EA
Dimensions: mm
Derating Curve
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Metal Film Precision Resistors
CSR Series
Standard Electrical Specifications
Item
Type
Power
Rating
at 70°C
Operating
Temp.
Range
Max.
Max.
Operating Overload
Voltage
Voltage
Resistance Range
± 0.1%
± 0.25% ± 0.5% ± 1%
49.9Ω - 20KΩ
49.9Ω - 300KΩ
MCFRBTNV
MCFRFTDV
1 / 4W
-55 ~ +155°C
200V
400V
10Ω - 1MΩ
10Ω - 1MΩ
-
Jumper: 2A
0Ω (<15mΩ)
49.9Ω - 20KΩ
49.9Ω - 300KΩ
MCFRFTDU
1 / 2W
-55 ~ +155°C
300V
500V
10Ω - 1MΩ
10Ω - 1MΩ
-
Jumper: 4A
0Ω (<15mΩ)
1Ω - 1MΩ
10Ω - 4.7MΩ
0.2Ω - 10MΩ
0.1Ω - 10MΩ
1Ω - 1MΩ
10Ω - 4.7MΩ
0.2Ω - 10MΩ
0.1Ω - 10MΩ
± 5%
± 10
± 15
± 25
± 50
± 100
-
± 10
± 15
± 25
± 50
± 100
-
TCR
(PPM/°C)
High Power Rating Electrical Specifications
Item
Type
Power
Rating
at 70°C
Operating
Temp.
Range
Max.
Max.
Operating Overload
Voltage
Voltage
Resistance Range
± 0.1%
± 0.25% ± 0.5% ± 1%
49.9Ω - 100KΩ
MCFRFTDU
1W
-55 ~ +155°C
350V
700V
10Ω - 1MΩ
10Ω - 1MΩ
-
1Ω - 1MΩ
0.2Ω - 10MΩ
0.1Ω - 10MΩ
± 5%
± 15
± 25
± 50
± 100
TCR
(PPM/°C)
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Metal Film Precision Resistors
CSR Series
Environmental Characteristics
Item
Temperature Coefficient of
Resistance (T.C.R.)
Short Time Overload
Requirement
As Spec
Test Method
JIS-C-5201-1 4.8
IEC 60115-1 4.8
-55°C ~ +125°C, 25°c is the reference temperature
JIS-C-5201-1 4.13
IEC-60115-1 4.13
RCWV × 2.5 or Max. overload voltage for 5 seconds
JIS-C-5201-1 4.6
IEC-60115-1 4.6
Max.overload voltage for 1minute
JIS-C-5201-1 4.25
IEC-60115-1 4.25.1
70 ± 2°C, Max. working voltage for 1,000 hrs with 1.5 hrs “ON”
and 0.5 hrs “OFF”
JIS-C-5201-1 4.24
40 ± 2°C, 90 ~ 95% R.H. Max. working voltage for 1,000 hrs
with1.5 hrs “ON” and 0.5 hrs “OFF”
JIS-C-5201-1 4.23
IEC-60115-1 2.23.2
at +155°C for 1,000 hrs
JIS-C-5201-1 4.33
IEC 60115-1 4.33
Bending once for 5 seconds with 2mm
JIS-C-5201-1 4.17
IEC 60115-1 4.17
245 ± 5°C for 3 seconds
JIS-C-5201-1 4.18
IEC 60115-1 4.18
260 ± 5°C for 10 seconds
± (0.15% + 0.05Ω)
Insulation Resistance
≥ 10G
Endurance
± (0.5% + 0.05Ω)
Damp Heat with Load
± (1 0% + 0.05Ω)
Dry Heat
± (1.0% + 0.05Ω)
Bending Strength
± (0 5% + 0.05Ω)
Solderability
95% min.coverage
Resistance to Soldering Heat
± (0.5% + 0.05Ω)
Voltage Proof
No breakdown or flasho-
JIS-C-5201-1 4.7
ver
IEC 60115-1 4.7
1.42 times RCWV (RMS) for 1minute
Individual leaching area
JIS-C-5201-1 4.18
≤ 5%
IEC 60068-2-58 8.2.1
Total leaching area ≤ 10% 260 ± 5°C for 30 seconds
JIS-C-5201-1 4.18
IEC 60115-1 4.18
-55°C ~ +155°C, 5 cycles
Leaching
Rapid Change of Temperature ± (0 5% + 0.05Ω)
Storage Temperature : 25 ± 3°C; Humidity < 80%RH
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Metal Film Precision Resistors
CSR Series
Soldering Condition
Packing
Packing Quantity & Real Specifications
Type
MCFRBTNV
MCFRFTDV
MCFRFTDU
ΦA
178.5 ± 1.5
178.5 ± 1.5
ΦB
60 ± 1
60 ± 1
ΦC
13 ± 0.2
13 ± 0.5
W
9 ± 0.5
13 ± 0.5
T
12.5 ± 0.5
15.5 ±0.5
Emboss
Plastic
Tape (EA)
3,000
2,000
Dimensions: mm
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Metal Film Precision Resistors
CSR Series
Emboss Plastic Tape Specifications
Type
A
8
3.7 ± 0.1
w
8 ± 0.1
E
F
P
0
4 ± 0.1
4 ± 0.1
p
1
4 ± 0.1
4 ± 0.1
p
2
2 ± 0.05
2 ± 0.05
ΦD
0
1.5 + 0.1
1.5 + 0.1
T
1.87 ± 0.1
2.8 ± 0.1
MCFRBTNV
1.6 ± 0.10
MCFRFTDV
MCFRFTDU
2.4 ± 0.1
1.75 ± 0.1 3.5 ± 0.05
6.05 ± 0.1 12 ± 0.1 1.75 ± 0.1 5.5 ± 0.05
Dimensions: mm
Pulse withstanding capacity
The single impulse graph is the result of 50 impulses of rectangular shape applied at one-minute intervals. The limit of acceptance
was a shift in resistance of less than 1% from the initial value. The power applied was subject to the restrictions of the maximum
permissible impulse voltage graph shown.
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