独石电容,ct4-0805b104k
| 品牌 |
国产 |
型号 |
ct4-0805b104k |
| 介质材料 |
独石 |
应用范围 |
耦合 |
| 外形 |
圆柱形 |
功率特性 |
小功率 |
| 频率特性 |
中频 |
调节方式 |
固定 |
| 引线类型 |
轴向引出线 |
允许偏差 |
±10(%) |
| 耐压值 |
50(v) |
标称容量 |
100000pf |
| 损耗 |
0.035 |
额定电压 |
50(v) |
电气性能标准the standard of the electrical properticac
检验项目 item | 检验标准 test standard |
npo(n) cog(cg) | x7r(b) | z5u(e) | y5v(y、f) |
电容量(c) capacitance | 在相应的误差 范围内 in the tolerance | 在相应的误差 范围内 in the tolerance | 在相应的误差 范围内 in the tolerance | 在相应的误差 范围内 in the tolerance |
损耗角正切(df) dissipation factor | cr≥50pf df≤0.15% cr<50pf df≤1.5[(150/cr)+7] ×10-4 | ≤3.5% | ≤5% | ≤3.5%(150000pf以下) ≤10%(220000-470000pf) ≤15%(480000-1000000pf) |
绝缘电阻(ir) insulation resistance | c≤ 10nf r>10000 mω c> 10nf r.c> 100s | c≤ 25nf r>4000 mω c> 25nf r.c> 100s | c≤ 25nf r>4000 mω c> 25nf r.c> 100s | c≤ 25nf r>4000 mω c> 25nf r.c> 100s |
耐电压 dielectric withstanding voltage | 2.5倍额定电压 2.5×rated voltage | 2.5倍额定电压 2.5×rated voltage | 2.5倍额定电压 2.5×rated voltage | 2.5倍额定电压 2.5×rated voltage |
测试条件 test condition |
测试频率 test frequency | 100khz (c>1000pf,1khz) | 1khz | 1khz | 1khz |
测试电压 test voltage | 1±0.2vdc | 1±0.2vdc | 0.3±0.2vdc | 0.3±0.2vdc |
绝缘电阻测试电压 test voltage of ir | 额定电压 rated voltage | 额定电压 rated voltage | 额定电压 rated voltage | 额定电压 rated voltage |
环境温度 temperature | 18℃~25℃ | 18℃~25℃ | 18℃~25℃ | 18℃~25℃ |
环境湿度 humidity | < 75% | < 75% | < 75% | < 75% |
温度系数 temperature coefficient | 0±30ppm/℃ -55℃to +125℃ | ±15% -55℃to +125℃ | +22% to–56% +10℃to +85℃ | +30% to-80% -25℃to +85℃ |
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品质检验项目及可靠性试验quality inspection and rellability
项目 item | 检验标准 test specifications | 检验方法 test methods |
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 with uniformly coated on the axial or radial direction over 3/4 of the circumferential 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 of a capacitor shall be dipped into a 25% methanol solution of rosin and then into molten solder of 235±5℃ for 2±0.5 seconds ,in both cases the depth of dipping is up to about 2.5 to 3.0 mm from the root of lead wires. |
耐焊性 resistance to soldering heat | 外观 appearance | 无损伤 no marked defect | 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 wire shall be immersed into the melted solder of 265±5℃,up to about 2.5 to 3.0mm from the main body for 5±0.5 sec and the specified items shall be measured after leaving for 2 to 24 hours. |
容量变化δc/c capacitance change | npo:≤5% x7r:≤-5~+10% y5v:≤-10~+20% |
介电强度(引线间) dielectric strength(between lead wires) | 不失效 no failure |
耐久性 list test | 外观 appearance | 无外观损伤 no marked defect | 条件 condition | npo | x7r | y5v | z5u |
容量变化δc/c capacitance change | 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 |
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