变容二极管BB910可用什么替代

用途：Application1. 调频收音机中作调频用Frequency modulation in Fm Radio2. 通讯机中作调频、自动频率微调 Fm and AFC in communication set特点：Features1. 良好的线性 Excellent linearity2. 电容比 Capacitance ratio：C0.5v/C5.0v=3.25（Typ）3. 串联电阻低 Low　series　resistance：rs≤0.8n4. 微型塑封Small plastic package: M-204/TO-92S5. 玻封：DO-35极限值Maximum ratings参数名称Parameter缩写Symbol数值单位Unit最小值Min最大值Max工作环境温度Assignment Temperature RangeTamb-55100℃贮存温度Storage Temperature RangeTatg-55125℃最大电流反向电压Maximum Reverse voltageVrm22V结温Junction TemperatureTj125℃正向电压Forward voltage(If=20mA)VF1V电特性Electrical Characteristics(at Tamb=25℃)参数名称Parameter缩写Symbol测试条件Test Conditions最小值Min典型值Typ最大值Max单价unit端电容Diode capacitanceC1VR1=0.5V354045PF端电容Diode capacitanceC2VR2=5V1020PF电容比Capacitance ratioC1/C2VR1=0.5VVR2=5V1.25反向电流Reverse CurrentIRVR=20V10nA正向电流Forward VoltageVF1F=20mA1V串联电阻serises resistanceRsF=470MHZ,CZ,C0=14pf0.8n