METAL FILM RESISTOR
NORMAL & MINIATURE STYLE
RMF & RMFS SERIES
Metal Film Resistor – Normal & Miniature Style
Features
Low cost
Non-inductive design, wide resistance range (0.27
Ω
to 1M
Ω
)
Standard tolerance: ±1% (±0.5%, ±0.25% and ±0.1% available)
Varied temperatures coefficient: ±15ppm/
° C,
±25ppm/
° C,
±50ppm/
° C,
±100ppm/
° C
RoHS compliant
Mechanical Data
Full MIL-R-10509 performance
Bulk and 52mm tape and reel standard; ammo pack, cut and formed, and radial Panasert/Avisert
available upon request
Dimensions (in mm)
Outline
T-12
T-25
T-50
T-100
T-200
RMF08C
RMF25C
RMF50C
RMF1W
RMF2W
Type
RMFS25C
RMFS50C
RMFS1W
RMFS2W
RMFS3W
L
3.4±0.3
6.3±0.5
9.0±0.5
11.5±1.0
15.5±1.0
ΦD
1.9±0.2
2.4±0.2
3.3±0.3
4.5±0.5
5.0±0.5
H
28±2.0
28±2.0
26±2.0
35±2.0
33±2.0
Φd
0.45±0.05
0.55±0.05
0.55±0.05
0.8±0.05
0.8±0.05
TAITRON COMPONENTS INCORPORATED
www.taitroncomponents.com
Tel:
Fax:
(800)-TAITRON
(800)-TAITFAX
(800)-824-8766
(800)-824-8329
(661)-257-6060
(661)-257-6415
Rev. E/CW
Page 1 of 7
Metal Film Resistor - Normal & Miniature Style
RMF&RMFS Series
Absolute Maximum Ratings & Characteristics
Description
Power Rating at 70° C
Maximum Working Voltage
Maximum Overload Voltage
Dielectric Withstanding Voltage
Temperature Coefficient
Resistance
Range
±0.5%, ±1%
1~10M
±0.1%, ±0.25%
-55 to +155
°C
Ω
RMF
08C
1/6
200
400
300
RMF
S25C
1/4
200
400
400
RMF
25C
1/4
250
500
500
RMF
S50C
1/2
300
600
500
RMF
50C
1/2
350
700
500
RMF
S1W
1
400
800
700
RMF
1W
1
500
1000
1000
RMF
S2W
2
500
1000
1000
RMF
2W
2
500
1000
1000
RMF
S3W
3
500
1000
1000
Unit
W
V
V
V
ppm/° C
±15ppm/° C, ±25ppm/° C, ±50ppm/° C, ±100ppm/° C
Operating Temperature Range
Power derating curve
For resistors operate in the ambient temperature over 70˚C, loading power ratio will derate in accordance
with following curve.
Percentage of the rated dissipating (%)
Ambient Temperature (°C)
Rev. E/CW
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Page 2 of 7
Metal Film Resistor - Normal & Miniature Style
RMF&RMFS Series
Environmental Performance Specification
Item
Short Time Overload
Dielectric Withstanding Voltage
Insulation Resistance
Solderability
Terminal Strength
Pulse Overload
Load Life in Humidity
Load Life
Temperature Cycling
Resistance to Soldering Heat
IEC 60115-1 4.13
IEC 60115-1 4.7
IEC 60115-1 4.6
IEC 60115-1 4.17
IEC 60115-1 4.16
IEC 60115-1 4.39
IEC 60115-1 4.24
IEC 60115-1 4.25
IEC 60115-1 4.19
IEC 60115-1 4.18
Test Methods
2.5 Times RCWV for 5 seconds
In V-Block for 60 Seconds
In V-Block for 60 Seconds
235°C±5°C for 3±0.5 Seconds
Direct Load for 10 Seconds in The Direction of
The Terminal Leads
4 Times RCWV 1000 Cycle
(1 sec. on, 25 sec. off)
40±2°C , 90-95% RH at RCWV for 56 days,
loaded with 0.1 times RCWV
70°C at RCWV for 1000 Hrs
(1.5 Hrs. on, 0.5 Hrs. off)
-55°C Rom Temp.
+155°C
Rom Temp.
for 5 Cycles
260°C±3°C for 10±1 Seconds, immersed to a
point 3±0.5mm from the body
Specifications
±(0.25%+0.05Ω)
by Type
>1000MΩ
95% Min. Coverage
>=2.5kg (24.5N)
±(1%+0.05Ω)
±(1.5%+0.05Ω)
±(1.5%+0.05Ω)
±(0.75%+0.05Ω)
±(0.25%+0.05Ω)
Packing Information:
Carrier Tape Dimensions
(in mm)
Outline
T-12
T-25
T-50
T-100
T-200
Type
RMF08C
RMF25C
RMF50C
RMF1W
RMF2W
RMFS25C
RMFS50C
RMFS1W
RMFS2W
RMFS3W
a
6±0.5
6±0.5
6±0.5
6±0.5
6±0.5
A
52.4±1.5
52.4±1.5
52.4±1.5
73.0±1.5
73.0±1.5
B1-B2
1.2
1.2
1.2
1.5
1.5
S
(Spacing)
5
5
5
5
10
T
(Max. Deviation of Spacing)
1mm Per 10 Spacings,
0.5mm Per 5 Spacings
Rev. E/CW
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Page 3 of 7
Metal Film Resistor - Normal & Miniature Style
RMF&RMFS Series
Tape on Reel Pack Information
Outline
T-12
T-25
T-50
T-100
T-200
Reel/Inner Box
Qty.
(pcs)
5,000
5,000
2,500
2,000
1,000
Across
Flange (A)
(mm)
72
72
72
95
95
Inner Box Size
(LxWxH)
(cm)
29.0x8.0x29.6
29.0x8.0x29.6
29.0x8.0x29.6
29.2x9.8x29.6
29.2x9.8x29.6
Inner Box
Weight
(kg)
0.90
1.40
1.38
1.95
1.50
Carton
Qty.
(pcs)
50,000
50,000
25,000
20,000
10,000
Carton Size
(LxWxH)
(cm)
60.0x30.5x43.5
60.0x30.5x43.5
60.0x30.5x43.5
60.0x30.5x54.5
60.0x30.5x54.5
Carton
Weight
(kg)
11
16
15
21
16
Rev. E/CW
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Page 4 of 7
Metal Film Resistor - Normal & Miniature Style
RMF&RMFS Series
Ammo Pack Information
Outline
T-12
T-25
T-50
T-100
T-200
Inner Box
Qty.
(pcs)
5,000
5,000
1,000
1,000
1,000
Inner Box Size
(LxWxH)
(cm)
26.0x8.0x10.0
25.8x7.4x9.0
26.5x9.7x7.8
26.3x9.7x9.5
26.3x9.7x9.5
Inner Box
Weight
(kg)
0.66
1.08
0.36
0.74
1.20
Carton
Qty.
(pcs)
100,000
75,000
30,000
12,000
12,000
Carton Size
(LxWxH)
(cm)
42.5x28.0x34.8
42.5x28.0x34.8
42.5x28.0x34.8
42.5x28.0x34.8
42.5x28.0x34.8
Carton
Weight
(kg)
13.30
16.30
10.90
8.98
14.50
Bulk Pack Information
Outline
T-12
T-25
T-50
T-100
T-200
Inner Box
Qty.
(pcs)
10,000
10,000
5,000
2,000
1,000
Inner Box Size
(LxWxH)
(cm)
26.3x9.7x11.7
26.3x9.7x11.7
26.3x9.7x11.7
26.3x9.7x11.7
26.3x9.7x11.7
Inner Box
Weight
(kg)
1.10
1.82
1.93
1.64
1.06
Carton
Qty.
(pcs)
160,000
100,000
50,000
32,000
16,000
Carton Size
(LxWxH)
(cm)
42.5x28.0x34.8
42.5x28.0x34.8
42.5x28.0x34.8
42.5x28.0x34.8
42.5x28.0x34.8
Carton
Weight
(kg)
18.2
19.0
20.0
26.0
18.0
Rev. E/CW
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Page 5 of 7
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