Datasheet > PSP500KB-120R

PSP500KB-120R

更新时间： 2024-01-18 19:22:49

品牌	Logo	应用领域
国巨 - YAGEO		/
页数	文件大小	规格书
9页	292K
描述
水泥电阻

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PSP500KB-120R 数据手册

(8) Periodic-pulse Overload

Apply 4 times of rated voltage to the specimen at the 1 second on and 25 seconds off cycle, subjected

to voltage application cycles specified in 10,000 time。

The change of the resistance value shall be within ± 2.0% + 0.05 Ω

(9) Damp Heat Steady State

Place the specimen in a test chamber at 40 °C and 93 % relative humidity. Apply the rated voltage to

the specimen at the 1.5 hours on and 0.5 hour off cycle. The total length of test is 1,000 hours

The change of the resistance value shall be within ± 5.0 % + 0.05 Ω

(10) Endurance at 70 °C

Placed in the constant temperature chamber of 70 ± 3 °C the resistor shall be connected to the lead wire

at the point of 25mm. Length with each terminal, the resistors shall be arranged not much effected

mutually by the temperature of the resistors and the excessive ventilation shall not be performed, for 90

minutes on and 30 minutes off under this condition the rated D.C. voltage is applied continuously for

1000+48/-0 hours then left at no-load for 1hour, measured at this time the resistance value。

The change of the resistance value shall be within ± 5.0 % + 0.05 Ω .

There shall be no remarkable change in the appearance and the color code shall be legible after the test.

(11) Temperature Cycling Test

The temperature cycle shown in the following table shall be repeated 5 times consecutively. The

measurement of the resistance value is done before the first cycle and after ending the fifth cycle,

leaving in the room temperature for about 1 hour。

Temperature Cycling Conditions:

Step

Temperature(°C)

-55 ± 3

Time (minute)

25 ± 3

10 ~ 15

155 ± 3

25 ± 3

10 ~ 15

The change of the resistance value shall be within ± 2.0 % + 0.05 Ω

After the test the resistor shall be free from the electrical or mechanical damage.

(12) Resistance to Soldering Heat

The terminal lead shall be dipped into the solder pot at 260 ± 3 °C for 10 ± 1.0 seconds up to 2.5 ~ 3.5

mm.

The change of the resistance value shall be within ± 1.0 % + 0.05 Ω

(13) Overload Flame Retardant

At 4 times of the rated voltage. ( If the voltage exceeds the maximum load voltage, the maximum load

voltage will be used as the rated voltage ) applied for 1 minute

Overload Test Voltage = 4* Power Rating  Resistance Value

The resistor shall be able to no evidence of flaming arcing

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