可靠性试验项目 reliability testing items序号
no.
项目
items
要求
requirements
试验方法及备注
test methods and remarks
1
工作温度范围
operating
temperature
range
-40℃~+85℃
2
可焊性
solder ability
至少95%端电极表面被焊锡覆盖。
at least 95% of terminal electrode should be covered with solder
预热温度:120℃ ~ 150℃ 预热时间: 60s
焊料:(96.5%sn/3.0%ag/0.5%cu)焊锡焊锡温度: 245℃±5℃ 浸锡深度:10mm 浸锡时间 : 5±1s 浸绩到助焊剂约:3 ~ 5 s
preheating temperature:120℃ to 150℃
preheating time: 60s
solder 96.5%sn/3.0%ag/0.5%cu of the sn solder.
solder temperature: 245±5℃
immersion tin depth:10mm
duration : 5±1s
dip performance to a flux of about:3 ~ 5 s
3
耐焊接热
resistance
to soldering
至少95%的焊锡覆盖在端电极表面,无可见机械损伤。
电感量变化率如下:
铁氧体电感 (ve、ue、vd、ud料): ±20% 铁氧体电感 (xe、xd料): ±25% 铁氧体电感 (je、jd料): ±30%
at least 95% of terminal electrode should be covered with solder.
no mechanical damage.
inductance :
ve、ue 、vd、ud:change within ±20%
xe、xd :change within ±25%
je、jd :change within ±30%
预热温度: 120℃~150℃ 预热时间: 60s
焊料:(96.5%sn/3.0%ag/0.5%cu)焊锡浸锡温度: 260℃±5℃ 浸锡深度:10mm 浸锡时间 : 10±1s 浸绩到助焊剂约:3 ~ 5 s
preheating temperature: 120℃ to 150℃
preheating time: 60s
solder 96.5%sn/3.0%ag/0.5%cu of the sn solder.
solder temperature: 260℃±5℃
immersion tin depth:10mm
duration : 10±1s
dip performance to a flux of about:3 ~ 5 s
序号
no.
项目
items
要求
requirements
试验方法及备注
test methods and remarks
4
端电极强度
adhesion of electrode
端电极与磁体不应受损,无可见机械损伤。
the termination and body should be no damage.
施加力:1608 系列为 7n;2012、2520、3216、系列为 10n。
保持时间:10±1s
applied force: 7n force for 1608 series. 10n force for 2012、2520、3216 series.
keep time :10±1s
5
耐低温
low temperature resistance
无可见机械损伤,电感量变化率小于±10%,
no mechanical damage.
inductance change: within ±10%
测试温度:-40±2℃
24
测试时间:1000-0 h
temperature:-40±2℃
24
testing time:1000-0 h
6
抗弯强度
bending strength
无可见机械损伤,
no mechanical damage
测试基板:玻璃环氧树脂基板
加压速度为0.5mm/s,弯度:2mm,保持时间20s±1s
testing board: glass epoxy-resin substrate for 0.5 mm/s compression speed, curvature:
2mm, hold time20s±1s。
7
振动
vibration
无可见机械损伤,电感量变化率小于±10%,
no mechanical damage.
inductance change: within ±10%
振幅:1.5mm
测试时间:沿三个垂直方向各做2小时
频率范围:10hz~55hz~10hz (1分钟)
amplitude modulation: 1.5mm
test time: a period of 2h in each of 3 mutually perpendicular directions.
frequency range: 10hz to 55hz to 10hz for 1min.
序号
no.
项目
items
要求
requirements
试验方法及备注
test methods and remarks
8
耐高温
high temperature resistance
无可见机械损伤,电感量变化率小于±10%,
no mechanical damage.
inductance change: within ±10%
24
测试时间:1000-0 h
测试温度:85±2℃
24
testing time: 1000-0 h
temperature: 85±2℃
9
恒定湿热
static
humidity
无可见机械损伤,电感量变化率小于±10%,
no mechanical damage.
inductance change: within ±10%
湿度:90%~95% rh,温度:60℃±2℃
24
测试时间:1000-0 h
humidity: 90% to 95% rh temperature: 60℃±2℃
24
testing time: 1000-0 h
10
高温负载
high temperature load
无可见机械损伤,电感量变化率小于±10%,
no mechanical damage.
inductance change: within ±10%
施加电流:额定电流
24
测试时间:1000-0 h 测试温度:85℃±2℃
impose current: at room
24
testing time: 1000-0 h
temperature: 85±2℃
11
温度冲击
temperature
shock
无可见机械损伤,电感量变化率小于±10%,
no mechanical damage.
inductance change: within ±10%
温度:-40℃,30±3分钟
+85℃,30±3分钟循环次数:32
temperature: -40℃ for 30±3min
+85℃ for 30±3min
number of cycles: 32
注:以上要求测试电性能的项目,应试验后在标准条件下放置24小时后测试。
note: when there are questions concerning, measurement shall be made after 24±2hrs of recovery under the standard condition.