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 | 特征
1.Radial leaded Devices
2.Cured,flame retardant epoxy polymer insulating material mees UL94V-0
3. Bulk packaging,or tape and reel available on most models | 应用 Almost anywhere there is a low voltage power supply,up to DC90V and a load to be protested,including:
1.Automotive elevtronics
2.Medical products
3.lndustrial controls |
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自恢复保险丝-Electrical characteristics(25℃) |
| Model | lhold | ltrip | Vmax | lmax | Pd | Maximum Time To Trip | Resistance | | | OP | | Typ | Current | Time | Rmin | Rmax | R1max | | (mA) | (mA) | Vdc | (A) | (W) | (A) | (S) | (Ω) | (Ω) | (Ω) | | JK90-150 | 0.15 | 0.30 | 90 | 20 | 1.65 | 0.45 | 60 | 1.5 | 3.0 | 4.0 | | JK90-200 | 0.20 | 0.40 | 90 | 20 | 1.70 | 0.60 | 60 | 1.0 | 2.5 | 3.4 | | JK90-250 | 0.25 | 0.50 | 90 | 20 | 1.75 | 0.75 | 60 | 0.8 | 2.0 | 2.8 | | JK90-350 | 0.35 | 0.70 | 90 | 20 | 1.80 | 1.05 | 60 | 0.6 | 1.2 | 1.8 | | JK90-550 | 0.55 | 1.10 | 90 | 20 | 2.00 | 1.65 | 60 | 0.3 | 0.9 | 1.5 | | JK90-750 | 0.75 | 1.50 | 90 | 20 | 2.50 | 2.25 | 60 | 0.2 | 0.6 | 1.1 | | JK90-900 | 0.90 | 1.80 | 90 | 20 | 3.00 | 2.70 | 60 | 0.1 | 0.5 | .8 | | JK90-550Z | 0.55 | 1.10 | 90 | 20 | 2.00 | 1.65 | 60 | 0.3 | 0.9 | 1.5 |
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保持电流（I H）：25℃静止空气环境中不触发PPTC自恢复保险丝突越的电流。 |
| 触发电流（I T）：25℃静止空气环境中PPTC自恢复保险丝从低阻抗转为高阻抗的小电流。 |
电压（V max）：PPTC自恢复保险丝能承受的工作电压。 |
| 电流（I max）：P35倍PTC自恢复保险丝能承受的电流。 |
| 动作时间（T trip）：指定电流下的动作时间。 |
| 动作功率（Pd typ）：25℃环境温度时PPTC自恢复保险丝动作状态下的消耗功率。 |
| 小电阻（R min）：25℃ 温度条件下小零功率电阻。 |
| 电阻（R max）：25℃ 温度条件下零功率电阻。 |
| 操作超出规定评级可能导致伤害和可能的灭弧和火焰 |
自恢复保险丝-JK250外形尺寸
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| 自恢复保险丝JK600 产品尺寸(毫米) |
| Model | Fig | A(max) | B(max) | C(max) | D（typ） | | JK90-150 | 1 | 4.8 | 12.7 | 3.0 | 5.1 | | JK90-200 | 1 | 5.4 | 13.0 | 3.0 | 5.1 | | JK90-250 | 1 | 6.2 | 13.7 | 3.0 | 5.1 | | JK90-350 | 1 | 7.8 | 14.5 | 3.0 | 5.1 | | JK90-550 | 1 | 9.7 | 15.8 | 3.0 | 5.1 | | JK90-750 | 1 | 11.2 | 18.0 | 3.0 | 5.1 | | JK90-900 | 1 | 12.8 | 19.6 | 3.0 | 5.1 | | JK90-550Z | 2 | 9.7 | 15.8 | 3.0 | 5.1 |
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| 自恢复保险丝JK250物理特性 |
| 铅材料 | | JK90-150~900 | Tin-plated copper,22AWG,Φ0.6mm | | JK90-550Z | Tin-plated copper,20AWG,Φ0.8mm |
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| 自恢复保险丝JK600 环境规格 |
| Test | conditios | Resistance change | | Passibe aging | +85℃,1000hrs | ±8%typical | | Humidity aging | +85℃,85%R.h.,1000hrs | ±8%typical | | Thermal | +125℃ to -55℃,10 times | ±12%typical | | Resistance to solvent | MIL-STD-202,Method 215 | No change | | Vibration | MIL-STD-202,Method 201 | No change |
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| Storage conditions:-40℃ to 85℃ |
