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

●Part NO. Regulation

RX20 500W 100R J T
Product Name Rated power Resistance Tolerance Special
Code
High power wire wound resistor 10w,20w,50w,…. 0R1=0.1Ω
0R22=0.22Ω
10R=10Ω
10K=10KΩ
F=±1%
J=±5%

k=±10%

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