产品类别： hc-49u/49t 产品详细信息： 特征： 出色的老化性能 大规模生产能力 高可靠性设计 符合rohs /无铅。说明书: model hc-49u / 49t frequency range 1.500 ~ 160.000mhz frequency tolerance at 25°c±2°c ±10 ~ ±30ppm(typ.) frequency stability over operating temp range ±10 ~ ±30ppm(typ.) operating temp range -10°c ~+60°c, -20°c ~+70°c, -40°c ~+85°c or customer requirement load capacitance 8pf ~32pf,series or special shunt capacitance 7pf max drivel level 0.1uw~1000uw(typ:100uw) insulation resistance 500mω min / dc 100v±15v oscillation mode fundamental,3rd & 5th overtone measure instrument s&a 250b equivalent series resistance(esr)vs frequency: frequency(mhz) oscillation mode hc-49u / 49t 1.5~1.99 fundamental 700ω max 2.0~2.99 fundamental 500ω 3.0~3.19 fundamental 300ω 3.2~3.99 fundamental 150ω 4.0~4.49 fundamental 90ω 4.5~4.99 fundamental 70ω 5.0~6.99 fundamental 50ω 7.0~9.99 fundamental 35ω 10.0~36.0 fundamental 25ω 20.0~24.99 3rd overtone 45ω 25.0~100.0 3rd overtone 40ω 70.0~160.0 5rd overtone 70ω