• Features:
    30 Watt at 25°C Case Temperature Heat Sink Mounted.
    TO-220 Style Power Package.
    Single Screw Mounting to Heat Sink.
    Molded Case for Protection and Easy to Mount.
    Isolated Case.
    Non Inductive.
  • Applications:
    Gate Resistors in Power Supplies.
    Snubbers.
    Load and Dumping Resistors in CRT Monitors.
    Terminal Resistance in RF Power Amplifiers.
    Voltage Regulation.
    Low Energy Pulse Loading.
    UPS.
TO-220 Power Resistors
Derating Curve
TO-220 Power Resistors Derating Curve

Dimensions (Unit: mm)
TO-220 Power Resistors Dimensions
Type W H T T1 T2 B B1 C D D1 G R
RMG30 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
2.92
~
3.44
3.08
~
3.28

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.
  • Maximum Torque: 0.9 Nm.
  • Without Heat Sink, When in Free Air at 25°C, the RMG30 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 - TO-220 Power Resistors
RMG 30 J P D 1K
Part Number
RMG
Power Rating
(W)
30
Resistance Tolerance
(%)
D ±0.5%
F ±1%
G ±2%
J ±5%
K ±10%
Package
T Tube
P Bulk
TCR
(PPM/°C)
D ±50PPM/°C
E ±100PPM/°C
F ±200PPM/°C
- No specified
Resistance
(Ω)
0R1 0.1Ω
10R 10Ω
1K 1000Ω
10K 10000Ω


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