風(fēng)華線繞電感可靠性試驗(yàn)項(xiàng)目 reliability testing items序號(hào)
no.
項(xiàng)目
items
要求
requirements
試驗(yàn)方法及備注
test methods and remarks
1
工作溫度范圍
operating
temperature
range
fhw-uc/hc series:-40℃~+125℃
fhw-uf/if/qf/hf series:-40℃~+85℃
2
可焊性
solder ability
外觀不發(fā)生變化;超過90%的焊錫覆蓋在端電極表面
there shall be no case deformation or change in appearance. the metalized area must have more than 90% solder coverage.
在 245±5℃ 熔 融 的 焊 錫
(96.5sn/3.0ag/0.5cu)中浸置 5±1 秒鐘。
dip pads in flux and dip in solder pot(96.5sn/3.0ag/0.5cu)at 245±5℃ for 5±1 seconds.
3
耐焊接熱
soldering heat resistance
外觀不發(fā)生變化;感量變化不超過±5%; q值變化不超過±10%。
there shall be no case deformation or change in appearance. inductance shall not change more than ±5%; q shall not change more than±10%.
在 260±5℃ 熔 融 的 焊 錫
(96.5sn/3.0ag/0.5cu)中浸置 10±1 秒鐘。
dip pads in flux and dip in solder pot(96.5sn/3.0ag/0.5cu)at 260±5℃ for 10±1 seconds.
4
介質(zhì)耐壓
dielectric
withstand
voltage
外觀不發(fā)生變化;無擊穿現(xiàn)象
here shall be no case deformation or change in appearance.no evidence of voltage breakdown.
在電感器端子和包封層間施加 500v 交流電壓,持續(xù)一分鐘。
input 500v ac between the electrodes and the resin of inductor and keep on one minute.
5
絕緣電阻
insulation
resistance
鐵氧體芯: ≥500mω 陶瓷芯:≥1000 mω ferrite: ≥500mω
ceramic: ≥1000 mω
在電感器端子和包封層間施加 100v 直流電壓,持續(xù)一分鐘。
input 100v dc between the electrodes and the resin of inductor and keep on one minute.
6
端電極附著力
(推力測試)
component
adhesion
(push of test)
繞線型片式電感器:
wire wound chip inductor:
0402uc series:≥0.45kg
0603uf series:≥0.9kg
0603uc series、0805uf series:≥1.3 kg
other series: ≥2kg
序號(hào)
no.
項(xiàng)目
items
要求
requirements
試驗(yàn)方法及備注
test methods and remarks
7
過載
over loading
外觀不發(fā)生變化;電感器不開路.
there shall be no case deformation or change in appearance.
inductors shall not have a open winding.
將規(guī)定額定電流2倍的直流電流加于電感器,其電流誤差為±2%,,保持 5 分鐘。
direct current of rating current between inductor terminals , direct current error ±2%, and keep on five minutes.
8
振 動(dòng)
vibration
無開路或短路; 感量變化不超過±5%; q值變化不超過±10%。
inductors shall not have a shorted or open winding.
inductance shall not change more than ±5%.
q shall not change more than±10%.
振幅 1.5mm,頻率 10~55hz,每個(gè)方向保持2小時(shí)。
inductors shall be subjected to vibration of 1.5mm amplitude frequency 10~55hz (10hz to 55hz to 10hz in a period of 1 minute) for 2 hours in each of three(x、y、z) axes.
9
溫度變化
temperature
change
外觀不發(fā)生變化;感量變化不超過±5%;
q值變化不超過±10%
there shall be no case deformation or change in appearance.
inductance shall not change more than ±5%.
q shall not change more than±10%.
fhw-uc/hc 系列: +125℃ 60 分鐘 ← → -40℃ 60分,鐘循環(huán)5次;
fhw-uf/if/qf/hf 系列:+85℃ 60分鐘
←→ -40℃ 60分,鐘循環(huán)5次;室溫下放置一小時(shí)后測試。
fhw-uc/hc series :+125℃ 60minutes
←→ -40℃ 60minutes 5 cycles;
fhw-uf/if/qf/hf series : +85℃ 60minutes ←→ -40℃ 60minutes 5
cycles;
inductors are to be tested after 1 hour at room temperature.
10
高溫
high temperature
外觀不發(fā)生變化;感量變化不超過±5%;
q值變化不超過±10%
there shall be no case deformation or change in appearance.
inductance shall not change more than ±5%.
q shall not change more than ±10%.
fhw-uc/hc 系列產(chǎn)品放置于溫度+125 ±5℃的環(huán)境中存放96±2小時(shí);
fhw-uf/if/qf/hf 系列產(chǎn)品放置于溫度 +85±5℃的環(huán)境中存放96±2小時(shí);在室溫下放置1小時(shí)后進(jìn)行測試。
fhw-uc/hc series shall be subjected to +125±5℃ for 96±2 hours; fhw-uf/if/qf/hf series shall be subjected to +85±5℃ for 96±2 hours;
inductors are to be tested after one hour at room temperature.
序號(hào)
no.
項(xiàng)目
items
要求
requirements
試驗(yàn)方法及備注
test methods and remarks
11
低溫
low temperature
外觀不發(fā)生變化;感量變化不超過±5%;
q值變化不超過±10%
there shall be no case deformation or change in appearance.
inductance shall not change more than ±5%.
q shall not change more than±10%
將電感器放置于溫度-40±2℃的環(huán)境中存放96±2小時(shí),然后在室溫下放置 1小時(shí)后進(jìn)行測試。
inductors shall be subjected to -40±2℃for 96±2 hours.
inductors are to be tested after one hour at room temperature.
12
恒定濕熱
static humidity
外觀不發(fā)生變化;感量變化不超過±5%;
q值變化不超過±10%
there shall be no case deformation or change in appearance.
inductance shall not change more than ±5%.
q shall not change more than±10%.
將電感器放置在于濕度93±3%,溫度50 ±2℃的環(huán)境中存放96±2小時(shí),經(jīng)過1 小時(shí)的風(fēng)干后進(jìn)行測試。
inductors shall be subjected to 93±3% r.h. at 50±2℃ for 96±2 hours .inductors are to be tested after having air dried for one hou.
13
耐久性
durability (life)
電感器不應(yīng)短路或斷路。
inductors shall not have a shorted or open winding.
fhw-uc/hc 系列產(chǎn)品加額定電流在 125 ±2℃溫度條件下存放1000小時(shí); fhw-uf/if/qf/hf 系列產(chǎn)品加額定電流在85±2℃溫度條件下存放1000小時(shí);然后在室溫下放置4小時(shí)后進(jìn)行測試。
fhw-uc/hc series shall be store at 125±2℃ for 1000 hours with rated current applied;
fhw-uf/if/qf/hf series shall be store at 85±2℃ for 1000 hours with rated current applied;
inductors shall be tested after four hours at room temperature.