MF Series Metal Film Resistors

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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.
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 :
    ¡Ó0.05%, ¡Ó0.1%, ¡Ó0.25%, ¡Ó0.5%, ¡Ó1%
  • T.C.R. :
    ¡Ó15ppm, ¡Ó25ppm, ¡Ó50ppm, ¡Ó100ppm
DIMENSIONS:
STYLE DIMENSION (mm) POWER RATING
(Watt)
VALUE
RANGE
L £rD H £rd
MF-12 3.2 ¡Ó0.2 1.8 ¡Ó0.3 28 ¡Ó2 0.43 ¡Ó0.02 1/6W ; 1/8W 10 £[~1M
MF-25 6.0 ¡Ó0.2 2.3 ¡Ó0.3 28 ¡Ó2 0.5 ¡Ó0.02 1/4W 10 £[~1M
MF-50 9 ¡Ó0.5 3.2 ¡Ó0.5 26 ¡Ó2 0.6 ¡Ó0.02 1/2W 10 £[~1M
MF-100 11.0 ¡Ó0.5 4.5 ¡Ó0.5 35 ¡Ó2 0.7 ¡Ó0.02 1W 10 £[~1M
MF-200 15.0 ¡Ó0.5 5.0 ¡Ó0.5 32 ¡Ó2 0.8 ¡Ó0.02 2W 10 £[~1M
MF-300 17.0 ¡Ó0.5 6.0 ¡Ó0.5 32 ¡Ó2 0.8 ¡Ó0.02 3W 10 £[~1M

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 ¡Ó0.25%, ¡Ó0.5%, ¡Ó1% 10 £[ ~1M £[
Value Range ¡Ó0.05%, ¡Ó0.1% 100 £[ ~100K £[
Temp. Coefficient (by Type) ¡Ó15ppm, ¡Ó25ppm , ¡Ó50ppm, ¡Ó100ppm
* The listed resistance range for standard resistance, below or over this resistance is on request.

ENVIRONMENTAL CHARACTERISTICS

PERFORMANCE TEST TEST METHOD APPRAISE
Short Time Overload JIS-C-5202 5.5 : 2.5 times RCWV for 5 seconds ¡Ó(0.5%+0.05 £[)
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 ¡Ó 1000 M £[
Solderability JIS-C-5202 6.5 : 230 o C for 5 ¡Ó0.5 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 ¡Ó2.5KG/24.5N
Pulse Overload JIS-C-5202 5.8 : 4 time RCWV 10000 cycles(1 sec.on, 25 sec.off) ¡Ó(0.5%+0.05 £[)
Load Life in Humidity JIS-C-5202 7.9 : 40 ¡Ó2 o C, 90~95% RH at RCWV for 1000 hrs
(1.5hrs. on, 0.5 hrs. off)
¡Ó(1.5%+0.05 £[)
Load Life JIS-C-5202 7.10 : 70 o C at RCWV for 1000hrs (1.5hrs.on, 0.5hrs.off) ¡Ó(1.5%+0.05 £[)
Temperature Cycling JIS-C-5202 7.4 : -55 o C~room temp.~155 o C~room temp for 5 cycle ¡Ó(0.5%+0.05 £[)
Soldering Heat JIS-C-5202 6.4 : 350 ¡Ó10 o C for 3 ¡Ó0.5 seconds ¡Ó(0.5%+0.05 £[)
* The listed resistance range for standard resistance, below or over this resistance is on request.