MELF型 高(gāo)稳定、高(gāo)精密柱状无引线电阻器 说明书
Series MELF High Stability,close toleranc,Cylindrical Resistors
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MELF 系列电阻器
Series MELF |
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产品特点:
·高(gāo)稳定,高(gāo)精度,低温漂,低噪声
·表面贴装
·High Stability,High stability,Low t煙哥cr,Moisture proof
·Surface mount
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应用范围 APPLICATION
·测试测量设备
·Test and measuring equipment
·仪器仪表 Instrument and meter
·工业和医用 钻探 Industrial and medical e男土lectronics, misering
·航空(kōng) 航天 舰船 军用 Aviation aeros村湖pace warship and military
主要技术指标 TECHNICAL SPECIFICATIONS
型号(TYPE) |
MELF3215 |
MELF5918 |
MFLF8820 |
在不(bù)同温度下的额定功率(W)
Power Rating (W) |
70 ℃ |
0.150 |
0.250 |
0.50 |
125 ℃ |
0.050 |
0.100 |
0.125 |
额定电压(V) Work Vol |
200 |
200 |
250 |
阻值范围(Ω) Resistance Range |
10R-2M0 |
10R-3M0 |
10R-10M |
外(wài)形尺寸(mm) Size |
L±0.3 |
3.5 |
5.8 |
8.0 |
D±0.3 |
1.5 |
1.8 |
2.0 |
W±0.1 |
0.8 |
1.14 |
1.35 |
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试验项目 test item |
GJB1929-94要求 requirements |
试验方法 test methods |
ART试验变化 test result |
过 载 Short time overload |
≤±(0.25%R+0.05Ω) |
2.5VR,5S |
±0.05% |
温度冲击 Thermal shock |
≤±(0.25%R+0.05Ω) |
-65℃~175℃,5cycles |
±0.05% |
低温工作(zuò) Low temp. Operation |
≤±(0.25%R+0.05Ω) |
-65℃,PR,1h |
±0.015% |
介质耐压 Dielectric Strength |
≤±(0.25%R+0.05Ω) |
VAC,1min |
±0.010% |
耐焊接熱(rè) Resistance to Solder |
≤±(0.1%R+0.05Ω) |
260℃,10s |
±0.02% |
耐 湿 Resistance to moisture |
≤±(0.5%R+0.05Ω) |
-10℃~65℃,RH80~98%,240h |
±0.15% |
寿 命 Load life |
≤±(0.5%R+0.05Ω) |
125℃,PR,1000h |
±0.20% |
冲 击 Shock |
≤±(0.25%R+0.05Ω) |
1000m/s,6ms |
±0.01% |
振 动 Vibration |
≤±(0.25%R+0.05Ω) |
10~1000Hz,0.75mm,200m/s |
±0.01% |
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