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MF 標準型 |
| MF Series Metal Film Resistors |
METAL FILM RESISTORS
MF Series |
| 1/6W; 1/8W, 1/4W, 1/2W, 1W, 2W, MF-12, MF-25, MF-50, MF-100, MF-200 |
| INTRODUCTION |
| The MF series Metal Film Resistors are manufactured using vacuum sputtering system to deposit multiple layers of mixed metals and passivative materials onto a carefully treated fight grade ceramic substrate, the resistors are coated with layers of light-blue lacquer. |
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| FEATURES |
- MIL-R-1059F.
- MF-12, MF-25, MF-50, MF-100, MF-200
(RN-50, RN-55, RN-60, RN-65, RN-70)
- Resistance Tolerance :
±0.05%, ±0.1%, ±0.25%, ±0.5%, ±1%
- T.C.R. :
±15ppm, ±25ppm, ±50ppm, ±100ppm
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| DIMENSIONS: |
| STYLE |
DIMENSION (mm) |
POWER RATING
(Watt) |
VALUE
RANGE |
| L |
ψD |
H |
ψd |
| MF-12 |
3.2 ±0.2 |
1.8 ±0.3 |
28 ±2 |
0.43 ±0.02 |
1/6W ; 1/8W |
10 Ω~1M |
| MF-25 |
6.0 ±0.2 |
2.3 ±0.3 |
28 ±2 |
0.5 ±0.02 |
1/4W |
10 Ω~1M |
| MF-50 |
9 ±0.5 |
3.2 ±0.5 |
26 ±2 |
0.6 ±0.02 |
1/2W |
10 Ω~1M |
| MF-100 |
11.0 ±0.5 |
4.5 ±0.5 |
35 ±2 |
0.7 ±0.02 |
1W |
10 Ω~1M |
| MF-200 |
15.0 ±0.5 |
5.0 ±0.5 |
32 ±2 |
0.8 ±0.02 |
2W |
10 Ω~1M |
| MF-300 |
17.0 ±0.5 |
6.0 ±0.5 |
32 ±2 |
0.8 ±0.02 |
3W |
10 Ω~1M |
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ELECTRICAL CHARACTERISTICS |
| Style |
MF-12 |
MF-25 |
MF-50 |
MF-100 |
MF-200 |
- |
| Power Rating 70 o C |
1/6; 1/8W |
1/4W |
1/2W |
1W |
2W |
- |
| Operating Temp. Range |
-55 o C ~ +155 o C |
| Max. Working Voltage |
200V |
250V |
350V |
500V |
500V |
- |
| Max. Overload Voltage |
400V |
600V |
700V |
1000V |
1000V |
- |
| Dielectric Withstanding Voltage (AC) |
300V |
500V |
700V |
1000V |
1000V |
- |
| Max. Intermittence Overload Voltage |
400V |
600V |
700V |
1000V |
1000V |
- |
| Value Range ±0.25%, ±0.5%, ±1% |
10 Ω ~1M Ω |
| Value Range ±0.05%, ±0.1% |
100 Ω ~100K Ω |
| Temp. Coefficient (by Type) |
±15ppm, ±25ppm , ±50ppm, ±100ppm |
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| * The listed resistance range for standard resistance, below or over this resistance is on request. |
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ENVIRONMENTAL CHARACTERISTICS |
| PERFORMANCE TEST |
TEST METHOD |
APPRAISE |
| Short Time Overload |
JIS-C-5202 5.5 : 2.5 times RCWV for 5 seconds |
±(0.5%+0.05 Ω) |
| Dielectric Withstanding V. |
JIS-C-5202 5.7 : in V-Block for 60 seconds |
By Type |
| Temperature Coefficient |
JIS-C-5202 5.2 : -55 o C ~+155 o C |
By Type |
| Insulation Resistance |
JIS-C-5202 5.6 : in V-Block |
≧ 1000 M Ω |
| Solderability |
JIS-C-5202 6.5 : 230 o C for 5 ±0.5 seconds |
95% min. coverage |
| Resistance to Solvent |
JIS-C-5202 6.9 : Trichroethance for 1 min. with ultrasonic |
no deterioration |
| Terminal Strength |
Direct load for 10 sec. In the direction of the terminal leads |
≧2.5KG/24.5N |
| Pulse Overload |
JIS-C-5202 5.8 : 4 time RCWV 10000 cycles(1 sec.on, 25 sec.off) |
±(0.5%+0.05 Ω) |
| Load Life in Humidity |
JIS-C-5202 7.9 : 40 ±2 o C, 90~95% RH at RCWV for 1000 hrs
(1.5hrs. on, 0.5 hrs. off) |
±(1.5%+0.05 Ω) |
| Load Life |
JIS-C-5202 7.10 : 70 o C at RCWV for 1000hrs (1.5hrs.on, 0.5hrs.off) |
±(1.5%+0.05 Ω) |
| Temperature Cycling |
JIS-C-5202 7.4 : -55 o C~room temp.~155 o C~room temp for 5 cycle |
±(0.5%+0.05 Ω) |
| Soldering Heat |
JIS-C-5202 6.4 : 350 ±10 o C for 3 ±0.5 seconds |
±(0.5%+0.05 Ω) |
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| * The listed resistance range for standard resistance, below or over this resistance is on request. |
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