Oxide Film - RY31A, with the inner and outer surfaces coated with a special glass, features higher thermal resistance and larger electric power capacity for the compact volume. Unlike conventional wire wound type, the volumetric resistance will provide superior stability versus frequency and higher durability against transient voltage. RY31A can be suitable for the application with large current as well as high frequency circuit.
frequency resistors
RY31A Electrical Characterisics
Rated
power
(W)
T.C.R
(PPM/°C)
Resistance
range
(Ω)
Tolerance
(%)
Pulse test
voltage
(KV)
Ambient Temp.(70°C
Full Power)
D max.
(mm)
L max.
(mm)
d max.
(mm)
l max.
(mm)
10 (+20°C
~
+125°C)



±400
50 ±5(J)




±10(K)
3.2 -55°C
~
+125°C
Φ 15.1 77 Φ 10.7 5±0.5
75 4
25 50 5 Φ 25.1 121 Φ17.9 10±1
70 6.5
50 50 7.5 162
75 8.7
100 50 11 Φ 35.1 202 Φ23.1 12±1
75 12.5
150 50 12.5 302 20+2
20-1
75 12.5
Note: Resistance rage is 1~100Ω.
The resistors with the standard resistance values as showed as above. will be supplied with a shorter delivery.
How to Order
RY31A 10W 50R K
Part Number
RY31A
Rated Power
(W)
10W
25W
50W
100W
150W
Resistance Value
(Ω)
51R 51Ω
56R 56Ω
62R 62Ω
68R 68Ω
75R 75Ω
Resistance Tolerance
(%)
J ±5%
K ±10%


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