项目
item
检验标准
testspecifications
检验方法
testmethods
可焊性
solderablity
引线表面均匀沾锡,上锡面积不小于总面积的75%。
lead wire shall be soldered withuniformly coated on the axial or radial direction over 3/4 of thecircumferential direction.
将电容器引线浸入含25%酒精（或异丙醇）的松香溶液后浸入焊接槽温度为235±5℃的焊锡中2±0.5秒，浸入深度距离电容体2.5～3.0mm。
the lead wire ofa capacitor shall be dipped into a 25% methanol solution of rosinand then into molten solder of 235±5℃ for 2±0.5 seconds ,in bothcases the depth of dipping is up to about 2.5 to 3.0 mm from theroot of lead wires.
耐焊性
resistance
tosoldering
heat
外观
appearance
无损伤
no markeddefect
焊锡温度265±5℃，时间5±0.5秒，插入深度距离电容体2.5～3.0mm，插入速度1秒，试验后2～24小时测量。
the lead wireshall be immersed into the melted solder of 265±5℃，up to about 2.5 to 3.0mmfrom the main body for 5±0.5 sec and the specified items shall bemeasured after leaving for 2 to 24 hours.
容量变化δc/c
capacitancechange
npo:≤5%
x7r:≤-5～+10%
y5v:≤-10～+20%
介电强度（引线间）
dielectricstrength（between lead wires）
不失效
nofailure
耐久性
listtest
外观
appearance
无外观损伤
no markeddefect
条件
condition
npo
x7r
y5v
z5u
容量变化δc/c
capacitancechange
npo：≤2%
x7r：≤20%
y5v：≤30%
温度
temperature
+125℃
+85℃
d．f.
npo：≤0.3%
x7r：≤5%
y5v：≤7%
时间
time
t=1000h
r．c>25s
电压
voltage
v=1.5vr
恢复时间
recovery time
24±1h
引出端强度
strength
oflead
temination
拉力
pull
引线不断
电容器不破损
lead wire shallnot cut off. capacitor shall not be broken.
如图：固定电容器并加力，引线直径0.5mm以上加力3kg，保持5秒
as a figure, fixthe body of capacitor, apply a tensile weight gradually to eachlead in the radial direction of capacitor up to 2 okgf, and keep itfor l to 5 sec.
g
折弯
bending
引线负荷0.5kg向一方向折弯900后恢复原位，再向反方向折弯900恢复原状为一次，共3次。
each lead wire shall be subjectedto 0.5kgf weight and then a 900bend at the point ofegress, in one direction, return to original position and then a900bend in the opposite direetion at the rate of onebend.