DATA SHEET
METAL FILM RESISTORS
General Purpose
MFR Series
±0.5%, ±1%, ±2%, ±5%
1/6W to 3W
Product specification – April 3, 2024 V.4
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
EATURES
AEC-Q200 qualified
-12 = 1/6W
-50 = 1/2W
200 = 2W
25S = 1/4W
100 = 1W
3WS = 3W
-25 = 1/4W
2WS = 2W
1WS = 1W
F = ±1%
G = ±2%
T = Box Pack
B = Bulk
50S = 1/2W
Wide resistance range
PPAP ready
(MFR-25/MFR50S/MFR-50)
High stability
RoHS compliant &
halogen-free
(3) TOLERANCE
D = ±0.5%
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
F = F Type
52- = 52.4mm
FK = FK Type
73- = 73mm
FFK = F-form Kink
M = M-Type Forming
MB = M-form W/fla
FKK = FKK Type
MT = MT Type Forming
52A=52.4mm, ψd 0.4±0.02mm
FT = FT Type Forming
52B=52.4mm, ψd 0.45±0.02mm
PN = PANAsert
52C=52.4mm, ψd 0.5±0.02mm
AV = AVIsert
52G=52.4mm, ψd ≥ 0.6mm
FB-= FB- Type (for -25&50S)
52H=52.4mm , non-painting on soldering spots
Note: 26mm,52.4mm and 73mm represent dimension A of the axial type,
please refer to the category of AXIAL/REEL TAPE SPECIFICATION for the
detail.
(7) RESISTANCE VALUE
E24 & E96 & E192 Series
Example:
100R = 100Ω, 10K = 10,000Ω, 1M = 1,000,000Ω
www.yageo.com
Apr. 03, 2024
V.4
2
17
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.
www.yageo.com
Apr. 03, 2024
V.4
3
17
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
coatings and markings
Robustness of
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)
www.yageo.com
Apr. 03, 2024
V.4
4
17
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
www.yageo.com
Apr. 03, 2024
V.4
5
17
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
www.yageo.com
Apr. 03, 2024
V.4
6
17
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
www.yageo.com
Apr. 03, 2024
V.4
7
17
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
www.yageo.com
Apr. 03, 2024
V.4
8
17
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
www.yageo.com
Apr. 03, 2024
V.4
9
17
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
www.yageo.com
Apr. 03, 2024
V.4
10
17
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
www.yageo.com
Apr. 03, 2024
V.4
Through Hole Resistors
Product Specification
Metal Film Resistors
MHC TYPE
TYPE
DIMENSIONS
Normal
Miniature
MFR200
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
Unit: mm
Normal
Miniature L
ψD
ψd
P
h
MFR-50
MFR1WS
9.0±0.5
3.3±0.3
0.55±0.05
6±1
8±1
MFR100
MFR2WS
11.5±1
4.5±0.5
0.8±0.05
6±1
MFR200
MFR3WS
15.5±1
5.0±0.5
0.8±0.05
8±1
H
E
hl
HI
22
5±1
18.5 Max. 3.5
3.5±1
8±1
24
5±1
20 Max.
3.5
3.5±1
8±1
28
5± 1
25 Max.
3.5
3.5±1
Max.
Max.
e
www.yageo.com
Apr. 03, 2024
V.4
12
17
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
www.yageo.com
Apr. 03, 2024
V.4
13
17
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
www.yageo.com
Apr. 03, 2024
V.4
14
17
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
www.yageo.com
Apr. 03, 2024
V.4
15
17
MFR
Through Hole Resistors
Metal Film Resistors
Product Specification
REVISION HISTORY
REVISION
DATE
CHANGE NOTIFICATION
DESCRIPTION
Version 4
Apr.2, 2024
-
- Added forming code description for part number
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.”
www.yageo.com
Apr. 03, 2024
V.4
16
17
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, datasheet s, 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 maximum 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 applicatio ns 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 equipme nt, data-processing
equipment , Medical devices, Military equipment, Power generation 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 property 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 specifications 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.
www.yageo.com
Apr. 03, 2024
V.4
17
17
MFR