供应chrx-30w汽车减速电阻

功率：30wr301．采用95高铝陶瓷作为绕线基体，精心选用的高稳定性电阻丝依科学的工程标准和严谨的工艺方法绕制，使电阻具有较强的耐冲击性和较高的稳定性。不燃性涂漆包封，使电阻得到有效保护，从而提高其使用寿命。2．规格：30wr30j3．应用范围：减速场合4．符合rohs规范和lead-free无铅标准。testitemtestmethodscharacteristics电阻值容许误差resistancetolerancejis-c52025-1±；5%电阻温度特性temperaturecoefficient×；106（ppm/℃r1-r0r0（t1-t0）jis-c52025-2）250ppm℃max定格负荷powerratingloadjis-c52025-4powerrating60min△r&le；±；(1%+0.1&omega；)surfacetemperatureup400℃max短时间过负荷short-termoverloadjis-c52025-5500%powerrating5sfreeofappearanceorstructuralirregularity△r&le；±；(2%+0.1&omega；)绝缘电阻值insulationresistancejis-c52025-6500vdc100m&omega；min耐电压dielectricwithstandingvoltagejis-c52025-71000vdc60sfreeofappearanceorstructuralirregularity△r&le；±；(0.1%+0.05&omega；)耐振性vibrationjis-c52026-31.5mm10-50-10hzminfreeofappearanceorstructuralirregularity△r&le；±；(1%+0.05&omega；)热冲击thermalshockjis-c52027-3roomtemp30℃，30minon，55℃15minoffresistorfreeofstructuralirregularitysurfacecoatungcrack△r&le；±；(2%+0.1&omega；)耐湿性humidityjis-c52027-540℃±；2℃，90-95%rh，240hfreeofappearanceorstructuralirregularity△r&le；±；(3%+0.1&omega；)耐久性loadlifejis-c52027-10powerrating90minon，30minoff，500hfreeofappearanceorstructuralirregularity△r&le；±；(5%+0.1&omega；)不燃性flameretardationjis-c52027-13100-600%ratedpowerload5minusul-94flameretardationtestv-0gradenoncombustible降功耗曲线derating