MELF型 高穩定、高精密柱狀無引線電阻器(qì) 說(shuō)明書
Series MELF High Stability,close toleranc,Cylindrical Resistors
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MELF 系列電阻器(qì)
Series MELF |
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産品特點：
·高穩定，高精度，低(dī)溫漂，低(dī)噪聲
·表面貼裝
·High Stability,High stability,Low tcr,Moisture proof
·Surface mount
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應用範圍 APPLICATION
·測試測量設備
·Test and measuring equipment
·儀器(qì)儀表 Instrument and meter
·工業和醫(yī)用 鑽探 Industrial and medical electronics, misering
·航空 航天 艦船 軍用 Aviation aerospace warship and military
主要技術指标 TECHNICAL SPECIFICATIONS
型号(TYPE) |
MELF3215 |
MELF5918 |
MFLF8820 |
在不同溫度下(xià)的額定功率(W)
Power Rating (W) |
70 ℃ |
0.150 |
0.250 |
0.50 |
125 ℃ |
0.050 |
0.100 |
0.125 |
額定電壓(V) Work Vol |
200 |
200 |
250 |
阻值範圍(Ω) Resistance Range |
10R-2M0 |
10R-3M0 |
10R-10M |
外形尺寸(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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| 試驗項目 test item |
GJB1929-94要求 requirements |
試驗方法 test methods |
ART試驗變化(huà) test result |
| 過 載 Short time overload |
≤±（0.25％R+0.05Ω） |
2.5VR,5S |
±0.05% |
| 溫度沖擊 Thermal shock |
≤±（0.25％R+0.05Ω） |
-65℃～175℃,5cycles |
±0.05% |
| 低(dī)溫工作(zuò) Low temp. Operation |
≤±（0.25％R+0.05Ω） |
-65℃,PR,1h |
±0.015% |
| 介質耐壓 Dielectric Strength |
≤±（0.25％R+0.05Ω） |
VAC,1min |
±0.010% |
| 耐焊接熱 Resistance to Solder |
≤±（0.1％R+0.05Ω） |
260℃,10s |
±0.02% |
| 耐 濕 Resistance to moisture |
≤±（0.5％R+0.05Ω） |
-10℃～65℃,RH80～98%,240h |
±0.15% |
| 壽 命 Load life |
≤±（0.5％R+0.05Ω） |
125℃,PR,1000h |
±0.20% |
| 沖 擊 Shock |
≤±（0.25％R+0.05Ω） |
1000m/s,6ms |
±0.01% |
| 振 動 Vibration |
≤±（0.25％R+0.05Ω） |
10～1000Hz,0.75mm,200m/s |
±0.01% |
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