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high frequency non-inductance melf resistor - rfm series

high frequency non-inductance melf resistor - rfm series

melf resistors

features

  • high frequency.
  • non-inductance.
  • resistance range: 25Ω to 200Ω.
  • tolerance range: ±0.5% to ±5.0%.
  • power dissipation rating at 70°c up to 0.75w.
  • small size.
quick reference data
type rfm72 rfm73 rfm74 rfm75
metric sizes din: 0102 din: 0204 din: 0207 din: 0207
resistance range 25Ω ~ 200Ω
operating temperature range -55°c ~ 125°c
resistance tolerance (%) d(±0.5);   f(±1.0);   j(±5.0)
temperature coefficient (ppm/°c) c2(±50);   c3(±25);   c5(±15);   c6(±10)
rated dissipation (w)   p70 0.125 0.25 0.5 0.75
operating mode standard standard standard power
climatic category (lct/uct/days) 55/125/56 55/125/56 55/155/56 55/155/56

dimension (mm)
l±0.2 2.2 3.45 5.7 6.0
l1±0.2 1.2 1.6 3.0 3.3
d±0.2 1.3 1.3 2.1 2.1
k±0.1 0.4 0.8 min 1.2 min 1.2 min
d1±0.1 d+0/d-0.15 d+0/d-0.25 d+0/d-0.3 d+0/d-0.3

soldering bath (recommended) (mm)
s 1.0 1.6 2.6 2.8
w 2.0 2.0 2.5 2.5
h 2.0 2.5 2.5 2.5
endurance,
max, resistance change at p70,
δr/r max., after 1000h
≤0.5% for tol.=±1%   &   ≤1% for tol.=±5%
derating standard type linear from 70°c to 125°c
insulation voltage 500v
insulation resistance >1gΩ

how to order
rfm73100rfc3t
12345
1 part number
2 resistance value (Ω)
coderesistance value (Ω)
100r100Ω
3 resistance tolerance (%)
coderesistance tolerance (%)
d±0.5%
f±1.0%
j±5.0%
4 temperature coefficient (ppm/°c)
codetemperature coefficient (ppm/°c)
c2±50ppm/°c
c3±25ppm/°c
c5±15ppm/°c
c6±10ppm/°c
5 package
codepackage
ttaping reel
pbulk