RCR Series are made by metal glaze coating on the surface of a cylindrical substrate with excellent characteristics and stable at even high resistance range.
Token offers competitive prices and are widely used in the power source protector like fluorescent's inverter, and starting resistor for Mercury Lamp. For high value resistance application, are widely used in computer and electronics, like protector of eliminate electrostatic and thunder lightning.

RCR General Specifications
Metal Oxide Resistors
Type Power Rating L D d ± 0.05 H
RCR25 1/4W 6.5±1 2.3±0.5 0.5 ~ 0.6 26±3
RCR50 1/2W 9.5±1 3.4±0.5
RCR100 1W 12.0±1 4.0±0.5 0.7 ~ 0.8
RCR200 2W 16.0±1 6.1±0.5
RCR300 3W 17.0±1 7.0±0.5
RCR500 5W 24.0±1 8.0±0.5
RCR1000 10W max.50 max.10

RCR Power Rating
Type Power Rating Max Working Voltage Max Overload Voltage Dielectric With-standing Voltage TCP.(ppm/°C) Resistance Range
Operating Temp.range
RCR25 1/4W 500V 700V 500V ±350 1 ~ 33M -20°C
RCR50 1/2W 1000V 1500V 600V ±350 1 ~ 68M
RCR100 1W 1500V 2500V 800V ±350 1 ~ 100M
RCR200 2W 2000V 3000V 800V ±350 1 ~ 100M
RCR300 3W 2500V 4000V 1000V ±350 1 ~ 100M
RCR500 5W 3000V 5000V 1000V ±350 1 ~ 100M

Loading Conditions
Power Resistance Range (Ω) Surge Voltage Anti-Surge Characteristics Surge Test Condition
0.25 W 50K < R 3KV (2.5 Sec. ON + 2.5 Sec. Off)
× 10 Cycles
ΔR ≤ ±(50%R+0.1Ω)
In accordance with IEC
65 Safety specification.
0.5 W 10K ≤ R < 100K 3KV
100K ≤ R < 360K 5KV
360K ≤ R < 1M 7KV
1M ≤ R 10KV

Test Circuit
Carbon Film MELF Resistors

How to Order
RCR50 1/2W 220KR J TB
Part Number
Rated Power
Resistance Value
1R0 1.0Ω
100R 100Ω
220K 220KΩ
22M 22MΩ
Resistance Tolerance
J ±5%
P Bulk
TB Taping Box

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