• Power Resistor Feature:
    20 Watt at 25°C Case Temperature Heat Sink Mounted.
    TO-220 Style Power Package.
    Molded Case for Protection and Easy to Mount.
    Isolated Case.
    Non Inductive.
  • Applications:
    High Speed Switching Power Supplies.
    Snubber Circuits.
    Load Resistor for Pulse Generators.
    Voltage Regulation.
    VHF Amplifiers.
 Thin Film power resistors
TO-220 Power Resistors Dimensions TO-220 Power Resistors Derating Curve
Dimensions (Unit: mm)
Type W H T T1 T2 B B1 C D D1
RMG20 10.15~10.67 16.00~16.52 2.92~3.44 0.40~0.60 1.52~2.04 11.43~13.97 2.54~4.06 4.82~5.34 0.66~0.86 1.14~1.40

Electrical Characteristics Specifications
Resistance Range Resistance Tolerance TCR(PPM/°C)
0.05Ω~1Ω ±5.00%
±10.0%		 -
2Ω~5Ω ±1.00%
±5.00%
±10.0%		 ±200
5Ω~10Ω ±1.00%
±5.00%
±10.0%		 ±100
±200
11Ω~10KΩ ±0.50%
±1.00%
±5.00%
±10.0%		 ±50
±100
±200
  • Operating Voltage:350V Max.
  • Dielectric Strength: 1800VAC
  • Insulation Resistance: 10GΩmin.
  • Working Temperature Range:-65°C to +150°C
  • Resistance Value < 1Ω is Available
Environmental Characteristics
Test Item Specification Test Method
Temperature Coefficient of Resistance 10Ω and above, ±50ppm/°C
1Ω and 10Ω, (±100ppm)/°C		 Referenced to 25°C, ΔR taken at +105°C
Short Time Overload Δ R±0.3% 2 times rated power with applied voltage not to exceed 1.5 times maximum continuous operating voltage for 5 seconds.
Load Life Δ R±1.0% MIL-R-39009,2,000 hours at rated power.
Humidity (Steady State) Δ R±0.5% MIL-STD-202F, Method 103B
40°C, 90~95%RH, RCWV 1.5hours ON, 0.5hours OFF. total 1000~1048 hours.
Thermal Shock Δ R±0.3% MIL-STD-202, Method 107G.
-65°C~150°C,100 cycle
Terminal Strength Δ R±0.2% MIL-STD-202, Method 211, Cond.A(Pull Test) 2.4N.
Vibration, High Frequency Δ R±0.2% MIL-STD-202, Method 204, Cond.D.
  • Lead Material: Tinned Copper.
  • Without a Heat Sink, when in Free Air at 25°C, the RMG20 is Rated for 2.25W.
  • The Case Temperature is to be used for the Definition of the Applied Power Limit.
  • The Case Temperature Measurement Must be Made with a Thermocouple Contacting the Center of the Component Mounted on the Designed Heat Sink.
  • Thermal Grease Should be Applied Properly.
How to Order
RMG 20 J P D 1001
Thin Film Power Resistors Thin Film Power Resistors Thin Film Power Resistors Thin Film Power Resistors Thin Film Power Resistors Thin Film Power Resistors
Product Type Power Rating Resistance Tolerance Packaging TCR Resistance
TO-220
Power Resistors		 20 Watts D(±0.5%)
F(±1%)
G(±2%)
J(±5%)
K(±10%)		 T(Tube)
P(Bulk)		 D(±50PPM/°C)
E(±100PPM/°C)
F(±200PPM/°C)
- No specified 		0R10(0.1Ω)
0100(10Ω)
4700(470Ω)
1001(1000Ω)
1002(10000Ω)

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