Item
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要求
Requirements
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试验方法及备注
Test Methods and Remarks
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绝缘电阻
Insulation Resistance
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≥100MΩ
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在电感器线圈和本体顶面中间施加
100 V 直流电压保持 60 s。
100 V DC between inductor coil and The
middle of the top surface of the body for 60 seconds.
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可焊性
Solderability
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电极面 90%以上覆盖新的焊料。
90% or more of electrode area shall be coated by new solder.
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在(245±5) ℃熔融的焊锡
(96.5Sn/3.0Ag/0.5Cu)中浸(5±1) s。
Dip pads in flux and dip in solder pot
(96.5Sn/3.0Ag/0.5Cu) at (245±5) ℃ for (5±1) seconds.
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耐焊接热
Resistance to Soldering Heat
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外观无可见机械损伤;
电感量变化率:±10%以内。
No visible mechanical damage.
Inductance change: Within ±10%
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在(260±5) ℃熔融的焊锡(96.5Sn/3.0Ag/0.5Cu)中浸 (10±1) s。
Dip pads in flux and dip in solder pot(96.5Sn/3.0Ag/0.5Cu) at (260±5) ℃ for (10±1) seconds.
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端子强度
Adhesion of terminal
electrode
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元件的端子与本体结合无松动、无脱落。
Strong bond between the pad and
the core, without come off PC
board.
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将电感器用(260±5) ℃,(20±5) s 焊在带有 0.3 mm 厚锡膏的基板上, 然后用冶具垂直电极面方向加压 10 N,(10±1) s。
Inductors shall be subjected to (260±5)℃ for (20±5) s Soldering in the base whit 0.3mm solder. And then aplomb
electrode way plus tax 10 N for (10±1) seconds.
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耐高温
High temperature
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外观无可见机械损伤;
电感量变化率:±10%以内。
No visible mechanical damage.
Inductance change: Within ±10%
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温度(+125 ± 2 )℃,时间(1000±2) h; Temperature is (+125±2)℃ and keep (1000±2) hours.
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耐低温
Low temperature
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外观无可见机械损伤;
电感量变化率:±10%以内。
No visible mechanical damage.
Inductance change: Within ±10%
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温度(-55℃ ±2) ℃,时间(1000±2) h; Temperature is (-55±2)℃ and keep (1000±2) hours.
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温度变化
Thermal shock
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外观无可见机械损伤; 电感量变
化率:±10%以内。
No visible mechanical damage.
Inductance change: Within ±10%
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(-55±3) ℃,时间(30±3) min ↔ (125℃±2) ℃/(30±3) min, 转换时间(2~3) min,循环32次;
在室温下放置 2 小时后、48 ±4小时内测试。
The test sample shall be placed at (-55±3)℃ and
(125±2)℃ for (30±3) min, different temperature
conversion time is 2~3 minutes. The temperature
cycle shall be repeated 32 cycles. Placed at room
temperature for 2 hours, within 48 hours of testing.
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温度特性
Temperature
characteristic
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Within ±20%
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a:+20 ℃ (30~45) min →
b: -40 ℃ (30~45) min →
c: +20 ℃ (30~45) min →
d: +125 ℃ (30~45) min →
e: +20 ℃ (30~45) min
;
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恒定湿热
Static
Humidity
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外观无可见机械损伤;
电感量变化率:±10%以内。
No visible mechanical damage.
Inductance change: Within ±10%
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将电感器放置在于湿度(95±3)%RH,温度(60±2)℃ 的环境中存放(1000±4)h, 在室温下放置2小时后、
48小时内测试。
Inductors shall be subjected to (95±3)%RH . at
(60±2)℃ for (1000±4) h . Placed at room temperature
for 2 hours, within 48 hours of testing.
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耐久性(寿命)
Life
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外观无可见机械损伤;
电感量变化率:±10%以内。
No visible mechanical damage.
Inductance change: Within ±10%
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温度(85 ±2)℃,时间(1000±4) h,施加 Irms, 在室温下放置2小时后、48小时内测试。
Inductors shall be store at (85±2)℃ for (1000±4)
hours with Irms applied.
Placed at room temperature for 2 hours, within 48
hours of testing
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