被漆功率瓷管电阻器全系列20W-5000W
价格:电议
地区:江苏 苏州市
电 话:86 0512 66582766-8008
传 真:86 0512 66582798

●特点Features

●功率大      

●支架安装型    

●符合RoHS

●防护等级IP54    

●适用行业:焊机、电梯、发电机、音响、变频器等

High power

Rack mounting type

RoHS Complied

Protection grade IP54

Applicable industries:welder,elevator,dynamo,stereo system,

transduceretc.

●电气、机械特性Electrical and mechanical characteristics

特性

Characteristics

规格值

Standards

试验方法

Test methods

阻值误差

Resistance tolerance

±1%(F)±2%(G)±5%(J)±10%(K)

阻值测试仪测量

Testing by the resistance testing instrument

温度特性

Temperature coefficient

300ppm/

常温Room temperature+100

短时间过负荷

Short-time load

ΔR1%

U=5seconds

 

绝缘阻值

Insulation resistance

1000MΩ,min

接线柱与支架壳之间的电阻值

The resistance between the terminals and the bracket

耐电压

Dielectric withstanding voltage

无机械损伤及无绝缘层破损

no evidence of mechanical damage or insulation breakdown

ΔR0.2%

接线柱与支架壳之间60秒承受的电压值The 60 seconds Max. insulation voltage between the terminals and the bracket

振动

Vibration

无机械损伤

no evidence of mechanical damage

ΔR0.2%

XY方向各2小时2hours each

频率frequency 10~55Hz

振幅amplitude 1.5mm

可焊性

Solderability

焊锡面积覆盖率85%以上

The soldering area is over 85%

2453seconds

●耐候特性Environmental charactaristics

特性

Characteristics

规格值

Standards

试验方法

Test methods

耐热性

Heat resistance

无机械损伤

no evidence of mechanical damage

ΔR0.5%

2002小时hours

耐湿性

Humidity

无机械损伤

no evidence of mechanical damage

ΔR0.5%

4095%RH

500小时hours

耐湿负荷寿命

Load life in humidity

无机械损伤

no evidence of mechanical damage

ΔR0.5%

4095%RH

U=0.190分钟minutes ON, 30分钟minutes OFF, 500小时hours

负荷寿命

Load life

ΔR3%

U=90分钟minutes ON, 30分钟minutes OFF, 1000小时hours

不燃性(过负荷)

Flame retardant

不燃烧

no evidence of flaming or arcing

1~6倍的额定功率

1~6times rated power load