CHIP RESISTOR
测试方法
Test Method
试验项目
Test Item
规定值
Standard
使用材料为铍青铜的滑动触点在导体层的滑动区内接触导体,触点与导体层滑动区
的接触压力为0.25 N±0.05 N,来回磨擦,每一个来回为一次,试验要求不少于
200万个周期(空气中)或500万个周期(浸入汽油或柴油中)。
Materials used for the bronze sliding contact area in sliding contact with
the conductor layer of the conductor, the conductor layer sliding contact
试验后产品接触导线不断
线,试验后阻值符合要求。
After test contact wire
line, after the test value
conforms to the
requirement
导体耐磨性
Wear life
with the contact area pressure 0.25 N±0.05 N, rub back and forth, back
and forth to each one, the test requires less than 200 million cycles
(in
the air)or 500 million cycle ( dip in gasoline or diesel oil).
使用溶剂:85%柴油(或92#汽油)+15%乙醇。
Solvent: 85% diesel or 92 # gasoline) + 15% ethyl alcohol
溶剂温度 (23 5)
Solvent temperature:(23
浸泡时间 (10 1)h
Soaking time:(10
耐有机溶剂
腐蚀性
Corrosion
(
:
±
℃
|ΔR/R|≤1%
±
5)℃
resistance to
organic solvents
:
±
±
1)h
将焊盘完全浸入270℃±5℃的锡槽,保持(5±1)s。恢复时间(24±4)h。
The pad completely immersed in 270℃± of the tin bath, to
maintain (5 1)s. Recovery time(24 4)h.
耐焊接热
Resistance to
Soldering Heat
|ΔR/R|≤1%
5
℃
±
±
IEC 60115-1 4.8
/-55 /+25℃/+125℃/+25℃
在规定值内
within specified T.C.R +25
电阻温度系数
℃
℃
T.C.R
IEC 60115-1 4.19
-40℃(30分钟)~常温(5分钟)~85℃(30分钟)5个循环;
-40 (30min) normal temperature(5min) 85℃(30min)5cycles;
温度快速变化
Rapid Change of
Temperature
|ΔR/R|≤1%
|ΔR/R|≤1%
|ΔR/R|≤1%
℃
~
~
IEC 60115-1 4.13
施加2.5倍额定电压或最大过负荷电压(取较小者),持续5秒。
Apply 2.5 times rated voltage or Max overload voltage, whichever is
lower, for 5 s.
短时间过负载
Short Time
Overload
IEC 60115-1 4.25.1
70℃±2℃,1000小时 额定电压通1.5小时,断0.5小时,持续1000小时。
70℃±2℃, 1000h Rated voltage 1.5h on/ 0.5h OFF 1000h.
70℃耐久性
Endurance at70℃
稳态湿热
Damp Heat
Steady State
IEC 60115-1 4.24
40℃±2℃,93%±3%RH,1000h.
|ΔR/R|≤1%
|ΔR/R|≤1%
将产品放置于(-55±1)℃的低温试验箱存储,持续时间:1000 h。
Place the product in the low temperature storage chamber which the
temperature is (-55±1)℃, duration: 1000 h.
低温贮存
Low Temperature
Storage
高温贮存
将电阻板放置于(125±1)℃的高温试验箱存储,持续1000 h。
Resistance to
|ΔR/R|≤1%
Place the resistance plate on the(125
chamber, continuous 1000 h.
±1)℃ high temperature storage
Dry Heat
上述试验电阻值均按总阻值进行测量判断。
The above test resistance values are measured by total resistance values.
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