DATA SHEET
METAL FILM RESISTORS
General Purpose
MFR Series
±0.5%, ±1%, ±2%, ±5%
1/6W to 3W
Product specification – September 27, 2023 V.3
RoHS compliant & Halogen Free
Through Hole Resistors
Metal Film Resistors
Product Specification
ORDERING INFORMATION
Part number of the general purpose metal film resistor are identified by
the series, power rating, tolerance, packing, temperature coefficient,
forming and resistance value.
PART NUMBER
APPLICATIONS
All general purpose
applications
Power applications
MFR
200
F
T
F
73-
100R
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(1) SERIES
MFR Series
(2) POWER RATING
-12 = 1/6W
-50 = 1/2W
200 = 2W
25S = 1/4W
100 = 1W
3WS = 3W
AEC-Q200 qualified
-25 = 1/4W
2WS = 2W
1WS = 1W
Wide resistance range
50S = 1/2W
F = ±1%
G = ±2%
T = Box Pack
B = Bulk
EATURES
PPAP ready
(MFR-25/MFR50S/MFR-50)
(3) TOLERANCE
High stability
D = ±0.5%
RoHS compliant &
halogen-free
J = ±5%
(4) PACKAGING
R = Reel Pack
(5) TEMPERATURE COEFFICIENT OF RESISTANCE
E=±50ppm/°C
F=±100ppm/°C
- = Based on spec
(6) FORMING
26- = 26mm
FFK = F-form Kink
52- = 52.4mm
FKK = FKK Type
73- = 73mm
MT = MT Type Forming
M = M-Type Forming
MB = M-form W/fla
FT = FT Type Forming
F = F Type
AV = AVIsert
FK = FK Type
FB-= FB- Type (for -25&50S)
PN = PANAsert
52A=52.4mm, ψd 0.4±0.02mm
52B=52.4mm, ψd 0.45±0.02mm
52C=52.4mm, ψd 0.5±0.02mm
52G=52.4mm, ψd ≥ 0.6mm
52H=52.4mm , non-painting on soldering spots
(7) RESISTANCE VALUE
E24 & E96 & E192 Series
Example:
100R = 100Ω, 10K = 10,000Ω, 1M = 1,000,000Ω
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MFR
Through Hole Resistors
Product Specification
Metal Film Resistors
DIMENSIONS
Unit: mm
Normal
Miniature
L
ψD
H
ψd
MFR-12
MFR25S
3.4 ± 0.3
1.9 ± 0.2
28 ± 2.0
0.45 ± 0.05
MFR-25
MFR50S
6.3 ± 0.5
2.4 ± 0.2
28 ± 2.0
0.55 ± 0.05
MFR-50
MFR1WS
9.0 ± 0.5
3.3 ± 0.3
26 ± 2.0
0.55 ± 0.05
MFR100
MFR2WS
11.5 ± 1.0
4.5 ± 0.5
35 ± 2.0
0.8 ± 0.05
MFR200
MFR3WS
15.5 ± 1.0
5.0 ± 0.5
33 ± 2.0
0.8 ± 0.05
DERATING CURVE
Rated Power (%)
100
80
60
40
20
20
40
70
100
155
Ambient Temperature (°C)
ELECTRICAL CHARACTERISTICS
CHARACTERISTICS MFR-12
MFR25S MFR-25
MFR50S MFR-50
MFR1WS
MFR100
MFR2WS
MFR200
MFR3WS
Power Rating
at 70 °C
1/6W
1/4W
1/4W
1/2W
1/2W
1W
1W
2W
3W
Maximum Working
Voltage
200V
200V
250V
300V
350V
400V
500V
500V
500V
Maximum Overload
Voltage
400V
400V
500V
600V
700V
800V
1000V
1000V
1000V
Voltage Proof on
Insulation
300V
400V
500V
500V
500V
700V
1000V
1000V
1000V
Resistance Range
1Ω ~ 4M7Ω for E24 & E96 series value
Operating Temp.
Range
- 55°C to +155°C
Temperature
Coefficient
±50ppm/°C , ±100ppm/°C
Note: For resistance value out of above range is by request.
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MFR
Through Hole Resistors
Metal Film Resistors
Product Specification
TEST AND REQUIRMENTS
TEST
TEST METHOD
Short Time Overload
IEC 60115-1 4.13
PROCEDURE
APPRAISE
2.5 times RCWV for 5 sec.(Not more than
±0.25%+0.05Ω
maximum overload voltage)
Voltage Proof on
IEC 60115-1 4.7
Insulation
In V-Block for 60 sec. test voltage as
No Breakdown
above table
Temperature Coefficient
IEC 60115-1 4.8
Between -55°C to +155°C
By Type
Insulation Resistance
IEC 60115-1 4.6
In V-Block for 60 sec.
>10,000MΩ
Solderability
IEC 60115-1 4.17
245±5°C for 3±0.5 Sec.
95% Min. coverage
Solvent Resistance of
IEC 60115-1 4.30
IPA for 5±0.5 Min. with ultrasonic
No deterioration of
Marking
Robustness of
coatings and markings
IEC 60115-1 4.16
Terminations
Periodic-pulse Overload
Direct load for 10 Sec. in the direction of
≥2.5Kg(24.5N)
the terminal leads
IEC 60115-1 4.39
4 times RCWV 10,000 cycles (1 Sec. on,
±1.0%+0.05Ω
25 Sec.off)
Damp Heat Steady State
IEC 60115-1 4.24
40±2°C,90-95% RH for 56 days, loaded
±1.5%+0.05Ω
with 0.1 times RCWV
Endurance at 70°C
IEC 60115-1 4.25
70±2°C at RCWV(or Umax., whichever
±1.5%+0.05Ω
less) for 1,000 Hr.(1.5 Hr.on,0.5 Hr. off)
Temperature Cycling
IEC 60115-1 4.19
➔
-55°C
➔ Room Temp.
➔
±0.75%+0.05Ω
+155°C Room Temp.(5 cycles)
Resistance to Soldering
IEC 60115-1 4.18
Heat
260±3°C for 10±1 Sec., immersed to a
±0.25%+0.05Ω
point 3±0.5mm from the body
Note:
RCWV (Rated Continuous Working Voltage ):
The DC or AC (rms) continuous working voltage corresponding to the rated power is determined by the following
formula:
V=√(P X R)
or max. working voltage whichever is less
Where
V=Continuous rated DC or
AC (rms) working voltage (V)
P=Rated power (W)
R=Resistance value (Ω)
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MFR
Through Hole Resistors
Metal Film Resistors
Product Specification
PULSE DIAGRAMS
MFR25S Series: Pmax.: Maximum permissible peak pulse power
ti: Pulse duration
tp: Pulse repetition time
MFR50S Series: Pmax.: Maximum permissible peak pulse power
ti: Pulse duration
tp: Pulse repetition time
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MFR
Through Hole Resistors
Metal Film Resistors
Product Specification
AXIAL / REEL TAPE SPECIFICATION
Unit: mm
Normal
Miniature
a
MFR-12
MFR25S
6 ± 0.5
MFR-25
MFR50S
MFR1WS
6 ± 0.5
MFR100
MFR2WS
6 ± 0.5
MFR200
MFR3WS
A
B1-B2 (Max.)
52.4 ± 1.5
1.2
26.0 ± 1.5
1.0
52.4 ± 1.5
1.2
26.0 ± 1.5
1.0
52.4 ± 1.5
1.2
73.0 ± 1.5
1.5
52.4 ± 1.5
1.2
73.0 ± 1.5
1.5
52.4 ± 1.5
1.2
S (spacing)
T (max. deviation of
spacing)
5
6 ± 0.5
MFR-50
5
5
1 mm per 10 spacing,
0.5 mm per 5 spacing
5
6 ± 0.5
10
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MFR
Through Hole Resistors
Metal Film Resistors
Product Specification
TAPE ON REEL PACKING
TYPE
Unit: mm/piece
Normal
Miniature
Across Flange(A)
B
Quantity Per Reel
MFR-12
MFR25S
66.5
75.5
5,000
MFR-25
MFR50S
66.5
75.5
5,000
MFR-50
MFR1WS
66.5
75.5
2,500
MFR100
MFR2WS
87
96
2,000
MFR200
MFR3WS
87
96
1,000
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MFR
Through Hole Resistors
Metal Film Resistors
Product Specification
TAPE ON BOX PACKING
TYPE
DIMENSIONS
Unit: mm/piece
Normal
Miniature
A
B
C
Quantity Per Box
MFR-12
MFR25S
48
102
255
5,000
MFR-12
MFR25S
81
70
260
5,000
MFR-25
MFR50S
48
102
255
5,000
MFR-25
MFR50S
81
104
260
5,000
MFR-50
MFR1WS
73
45
258
1,000
MFR100
MFR2WS
81
91
260
1,000
MFR100
MFR2WS
103
78
260
1,000
MFR200
MFR3WS
81
91
260
1,000
MFR200
MFR3WS
103
94
260
1,000
BULK PACKING
Normal
Miniature
Piece/Per Inner Box
Bag/Per Inner Box
Piece Per Bag
MFR-12
MFR25S
10,000
10
1,000
MFR-25
MFR50S
10,000
10
1,000
MFR-50
MFR1WS
5,000
5
1,000
MFR100
MFR2WS
2,000
4
500
MFR200
MFR3WS
1,000
2
500
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MFR
Through Hole Resistors
Metal Film Resistors
Product Specification
FORMING
M TYPE
TYPE
DIMENSIONS
Unit: mm
Normal
Miniature
L
ψD
ψd
MFR-12
MFR25S
3.4± 0.3
1.9 ± 0.2
0.45 ± 0.05
6.0 ± 1
10.0 ±1
MFR-25
MFR50S
6.3 ± 0.5
2.4 ± 0.2
0.55 ± 0.05
10.0 ± 1
10.0 ± 1
MFR-50
MFR1WS
9.0 ± 0.5
3.3± 0.3
0.55 ± 0.05
12.5 ± 1
10.0 ± 1
MFR100
MFR2WS
11.5 ± 1.0
4.5 ± 0.5
0.8 ± 0.05
15.0 ± 1
12.5 ± 1
MFR200
MFR3WS
15.5 ± 1.0
5.0 ± 0.5
0.8 ± 0.05
20.0 ± 1
15.0 ± 1
P
H
MB TYPE
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MFR
Through Hole Resistors
Metal Film Resistors
Product Specification
MB TYPE
TYPE
DIMENSIONS
Unit: mm
Normal
Miniature
L
ψD
ψd
P
H1
H2
t
MFR-25
MFR50S
6.3 ± 0.5
2.4 ± 0.2
0.55 ± 0.05
10.0 ± 1
6.0 ± 1
5.0 ± 1
1.2 ± 0.2
MFR-50
-
9.0 ± 0.5
3.3± 0.3
0.55 ± 0.05
12.5 ± 1
6.0 ± 1
5.0 ± 1
1.2 ± 0.2
-
MFR1WS
9.0 ± 0.5
3.3± 0.3
0.8 ± 0.05
12.5 ± 1
6.0 ± 1
5.0 ± 1
1.4 ± 0.2
MFR100
MFR2WS
11.5 ± 1.0
4.5 ± 0.5
0.8 ± 0.05
15.0 ± 1
6.0 ± 1
5.0 ± 1
1.4 ± 0.2
MFR200
MFR3WS
15.5 ± 1.0
5.0 ± 0.5
0.8 ± 0.05
20.0 ± 1
10.0 ± 1
5.0 ± 1
1.4 ± 0.2
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MFR
Through Hole Resistors
Product Specification
Metal Film Resistors
11
17
MFR
MHA TYPE
TYPE
DIMENSIONS
Normal
Miniature
MFR-50
MFR1WS
Unit: mm
L
ψD
ψd
B
H0
HI
P
P0
9.0±0.5
3.3±0.3
0.55±0.05
17.5Max
19.0±1.0
4.0±1.0
30.0±1.0
15.0±0.3
P1
P2
F
W
W0
W1
ΨD0
7.5±1.0
3.75±0.5
7.5±0.5
18.0±0.5
5.0Min
9.0±0.5
4.0±0.2
MHB TYPE
TYPE
Normal
DIMENSIONS
Miniature L
15.5±1.0
MFR200
MFR3WS P
30.0±1.0
Unit: mm
ψD
ψd
B
5.0±0.5
0.8±0.05
P0
15.0±0.3
H
H0
HI
H2
H3
21.0Max. 30Max.
18.0±1.0
5.5(Ref.)
8.0±1.5
16Max.
PI
P2
F
W
W0
W1
ΨD0
7.5±1.0
3.75±0.8
7.5±0.5
18.0±0.5
5.0Min.
9.0±0.5
4.0±0.3
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Sep. 27, 2023 V.3
Through Hole Resistors
Product Specification
Metal Film Resistors
MHC TYPE
TYPE
Normal
MFR200
DIMENSIONS
Miniature
MFR3WS
Unit: mm
L
ψD
ψd
B
H
HI
P
P0
15.5±1.0
5.0±0.5
0.8±0.05
21.0Max.
19.0±1.0
5.25±1.0
30.0±1.0
15.0±0.3
F
W
W0
W1
ΨD0
10.0±0.5
18.0±0.5
5.0Min.
9.0±0.5
4.0±0.2
F TYPE
FK TYPE
TYPE
FFK TYPE
FKK TYPE
DIMENSIONS
H
E
P
h
6.3 ± 0.5 2.4 ± 0.2
0.55 ± 0.05
6±1
-
-
5.5±0.5 13.5±0.5 3.5
-
MFR1WS
9.0±0.5
3.3±0.3
0.55±0.05
6±1
8±1
22
5±1
18.5 Max. 3.5
3.5±1
MFR2WS
11.5±1
4.5±0.5
0.8±0.05
6±1
8±1
24
5±1
20 Max.
3.5
3.5±1
MFR200 MFR3WS 15.5±1
5.0±0.5
0.8±0.05
Will EOL F forming code to -25&50S on Feb.28,2023
8±1
8±1
28
5± 1
25 Max.
3.5
3.5±1
Miniature L
MFR-25
MFR50S
MFR-50
MFR100
ψD
Unit: mm
ψd
Normal
Max.
hl
HI
Max.
e
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MFR
Through Hole Resistors
Product Specification
Metal Film Resistors
FB- TYPE (for -25&50S)
TYPE
DIMENSIONS
Unit: mm
Normal
Miniature
L
ψD
ψd
MFR-25
MFR50S
6.3 ± 0.5
2.4 ± 0.2
0.55 ± 0.05 6±1
P
hl
HI
E
Max.
5.5±0.5
13.5±0.5
3.5
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MFR
Through Hole Resistors
Metal Film Resistors
Product Specification
FT TYPE (Taping Pack)
MT TYPE (Taping Pack)
Rated Watts : 1/6W,1/4WS
TYPE
DIMENSIONS
Unit: mm
Normal
Miniature
H1
Max.
H2
Max.
H3
Max.
MFR-25
MFR50S
10
18.5
8.5
MFR-50
MFR1WS
13
21.5
8.5
MFR100
MFR2WS
16
24.5
8.5
PN TYPE (Taping Pack)
TYPE
AV TYPE (Taping Pack)
DIMENSIONS
Unit: mm
TYPE
DIMENSIONS
Unit: mm
Normal
Miniature
H1
Max.
H2
Max.
H3
Max.
Normal
Miniature
H1
Max.
H2
Max.
H3
Max.
MFR-25
MFR50S
13
21.5
8.5
MFR-25
MFR50S
11.5
20
8.5
MFR-50
MFR1WS
17
25.5
8.5
MFR-50
MFR1WS
14.5
23
8.5
MFR100
MFR2WS
19
27.5
8.5
MFR100
MFR2WS
17.5
26
8.5
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MFR
Through Hole Resistors
Product Specification
Metal Film Resistors
MARKING
4-BAND-CODE
±2%, ±5%
COLOR
BLACK
BROWN
RED
ORANGE
YELLOW
GREEN
BLUE
VIOLET
GREY
WHITE
GOLD
SILVER
1st BAND
0
1
2
3
4
5
6
7
8
9
2nd BAND
0
1
2
3
4
5
6
7
8
9
3rd BAND
0
1
2
3
4
5
6
7
8
9
MULTIPLIER
1Ω
10Ω
100Ω
1KΩ
10KΩ
100K
1MΩ
10MΩ
0.001Ω
0.0001Ω
0.1Ω
0.01Ω
TOLERANCE
± 1% ( F )
± 2% ( G )
± 0.5 % ( D )
±5%(J)
±0.5%, ±1%
5-BAND-CODE
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MFR
Through Hole Resistors
Metal Film Resistors
Product Specification
REVISION HISTORY
REVISION
DATE
CHANGE NOTIFICATION
DESCRIPTION
Version 3
Sep.6, 2023
-
- Updated legal disclaimer and footer versions
numbers
Version 2
Aug.31, 2022
-
- Add FB- forming code to -25&50S
- Will EOL F forming code to -25&50S on
Feb.28,2023
Version 1
Sep.28, 2021
-
- Add F TYPE for -25&50S power
Version 0
Aug.2, 2021
-
- First issue of this specification
“ Yageo reserves all the rights for revising the content of this datasheet without further notification, as long as
the products itse lf are unchanged. Any product change will be announced by PCN.”
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MFR
Through Hole Resistors
Metal Film Resistors
Product Specification
LEGAL DISCLAIMER
YAGEO, its distributors and agents (collectively, “YAGEO”), hereby disclaims any and all liabilities for any
errors, inaccuracies or incompleteness contained in any product related information, including but not
limited to product specifications, datasheets, pictures and/or graphics. YAGEO may make changes,
modifications and/or improvements to product related information at any time and without notice.
YAGEO makes no representation, warranty, and/or guarantee about the fitness of its products for any
particular purpose or the continuing production of any of its products. To the m aximum extent permitted
by law, YAGEO disclaims (i) any and all liability arising out of the application or use of any YAGEO product,
(ii) any and all liability, including without limitation special, consequential or incidental damages, and (iii)
any and all implied warranties, including warranties of fitness for a particular purpose, non -infringement
and merchantability.
YAGEO products are designed for general purpose applications under normal operation and usage
conditions. Please contact YAGEO for the applications listed below which require especially high
reliability for the prevention of defects which might directly cause damage to the third party's life, body or
property: Aerospace equipment (artificial satellite, rocket, etc.), Atomic energy -related equipment,
Aviation equipment, Disaster prevention equipment, crime prevention equipment, Electric heating
apparatus, burning equipment, Highly public information network equipment, data -processing equipment ,
Medical devices, Military equipment, Power g eneration control equipment, Safety equipment, Traffic
signal equipment, Transportation equipment and Undersea equipment, or for any other application or use
in which the failure of YAGEO products could result in personal injury or death, or serious proper ty damage.
Particularly YAGEO Corporation and its affiliates do not recommend the use of commercial or
automotive grade products for high reliability applications or manned space flight.
Information provided here is intended to indicate product specificat ions only. YAGEO reserves all the
rights for revising this content without further notification, as long as products are unchanged. Any product
change will be announced by PCN.
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MFR