MELF RESISTOR

High Frequency Melf Resistors (Non-inductance)

RFM

High frequency non-inductance RFM series, is the perfect choice for most fields of modern professional electronics where reliability and stability is major concern as well as 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.

Tokenchina offers competitive prices and are widely used Telecommunication, Hi-Fi, pulse loading applications, and Industrial electronics. Full line of MELF RFM series meet RoHS Directives and lead-free

High Frequency MELF Non-inductance 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.

Characteristics & Dimensions (mm) - Non-inductance Melf RFM

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
Dimensions (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 - High Frequency Melf RFM

RFM73 100R F C3 T
Product Type
RFM72
RFM73
RFM74
RFM75
Resistance Value (Ω)
25 ~ 200
Resistance Tolerance (%)
D ±0.5
F ±1.0
J ±5.0
Temperature coefficient (PPM/°C)
C2 ±50
C3 ±25
C5 ±15
C6 ±10
Packaging
T Taping Reel
P Bulk

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RFM series - Non-inductance High Frequency Melf Resistors