500W 可调瓷管电阻(精密线绕) 阻值可调
价格:电议
地区:广东 深圳市
电 话:86 0755 83657948
传 真:86 0755 83658648

功率瓷管式可调电阻器RX20

 

特点(Features 

 

  1. 耐热性强、温度系数小、短时间过负载能力大;
  2. 表面涂漆为绿色不燃性面漆。
  3. 阻值是可调的。

 

 

规格尺寸(Specifications and Dimensions):

品名功率

Part No.

尺寸

成型类型

L1±2

L2±2

L3±2

L4±2

H1±1

H2±2

50W

82

100

114

140

30

58

HPR

100W

132

150

174

200

30

58

HPR

150W

162

180

194

220

30

58

HPR

200W

204

225

240

265

30

58

HPR

250W

292

310

324

350

30

58

HPR

300W

258

270

285

328

41

85

HPR

400W

322

344

360

406

41

85

HPR

500W

322

344

355

406

51

95

HPR

1000W

290

315

325

375

71

110

HPR

1500W

405

420

435

505

71

110

HPR

2000W

495

525

540

610

71

110

HPR

 

电气特性(Electrical  Performance:

项目

性能要求

调试方法

温度系数

-350ppm/°C≤d≤+350ppm/°C

JIS52025.2

短时间过负载

R≤±(2%R0+0.1R)

JIS52025.2

焊接耐热性

R≤±(1%R0+0.1R)

JIS52026.4

不燃性

不可有明显火焰

SJ3272-90

耐湿负荷寿命

R≤±(5%R0+0.1R)

JIS52027.9

耐温负荷寿命

R≤±(5%R0+0.1R)

JIS52027.10

 

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