RX20 series high power wire-wound resistor

YF-RX20

●Product Features:

1.High power loading, good heat stability, and long using age.
2.Green non-inflame painting coated.
3.Temperature range:-55℃~+275℃.
4.Resistance tolerance:±5%、±10%.

●Dimensions and Voltage Perormance:
A: RX20-A-F
B: RX20-B-W
Type Rated Power Dimension(mm) Remarks
D±2 L±3 T±3 M±3 S±2 H±2 >N±0.5 R±0.5 P±1
RX20 10W 28 40 80 58 13 40 6 3.5 4.5 -
RX20 20W 35 50 84 75 16 45 6 3.5 4.5 -
RX20 25W 35 50 90 75 20 47 6 3.5 4.5 -
RX20 30W 55 70 110 95 20 47 6 3.5 4.5 -
RX20 40W 75 90 130 118 20 47 6 3.5 4.5 -
RX20 50W 75 90 145 122 28 65 8 4.5 6.5 -
RX20 80W 125 140 195 172 28 65 8 4.5 6.5 -
RX20 100W 155 167 220 200 28 65 8 4.5 6.5 -

RX20

150W

203

215

270

247

28

65

8

4.5

6.5

-

RX20

200W

250

267

320

300

28

65

8

4.5

6.5

-

RX20

300W

250

267

337

302

40

90

10

6.0

6.5

-

RX20

400W

312

330

398

365

40

90

10

6.0

6.5

-

RX20

500W

298

330

374

353

50

103

10

6.0

7.0

RX20

800W

368

400

450

422

60

122

14

6.5

9.0

RX20

1000W

398

430

480

452

60

122

14

6.5

9.0

RX20

2000W

398

430

490

462

70

132

14

6.5

8.5

RX20

3000W

398

430

490

457

80

145

14

8.0

8.5

RX20

4000W

398

430

510

473

100

157

16

8.0

9.0

RX20

5000W

510

540

620

583

100

157

16

8.0

9.0

Note: 1.We can make the resistors according to the requirements of CUSTOMER.
2.We can make the multi-resistance resistors, according the the requirements.

●Rated Power Derating Curve:

untitled

●Performance Test:

Item

Test Condition

Performance

T.C.R.

R0:The resistance of the Normal-temperature(T0);

R1:The resistance of the Test-temperature(T1);

±500PPM/℃

Overload in short time

The voltage is 10 times rated power(max value is the max overload voltage), and the time is 5s.

△R≤±(2%R+0.05Ω)

Soldering Heat

Put the tails to the 350±5℃ tin-heater container for 3s

△R≤±(1%R+0.05Ω)

Solderability

Put the tails to the 235±5℃ tin-heater container for 5s

soldering area>95%

Temperature cycle

5 cycle:from +25℃/15min, to +125℃/15min, then?+25℃/15min, later?-55℃/15min.

△R≤±(1%R+0.05Ω)

Durability of humidity

Temperature:40±2℃, Humidity:90-95%, testing container;Load ratedvoltage or max working voltage, power-on for 1.5h, power-off for 0.5h, total cycle time is not less than 1000h.

△R≤±(5%R+0.05Ω)

Durability

Temperature:70±2℃, Humidity:60-65%, testing container;Load ratedvoltage or max working voltage, power-on for 1h, power-off for 0.5h, total cycle time is not less than 1000h.

△R≤±(5%R+0.05Ω)

No inflame

Load the 16 times rated power to the resistor ?for 5min.

No fire, no flame

●How to order
RX20 - 500W - P/N - 100R - J
Product Name Rated power Special Code Resistance Tolerance
High power wire wound resistor 10W,20W,50W,

….

Requirements

Null:Default

0R1=0.1Ω;

2R2=2.2Ω

10R=10Ω

10K=10KΩ

F=±1%

J=±5%

k=±10%

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