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Siemens BB 914 Silicon Variable Capacitance Diode Data Sheet

Summary

This variable capacitance diode is designed for high-precision electronic tuning applications, making it ideal for FM radio tuners and car stereo systems. The comprehensive datasheet provides detailed electrical characteristics, including specific measurements for capacitance ratio, series resistance, and operating parameters across varying voltages and temperatures. This manual assists engineers and technicians in selecting the optimal component for circuits requiring excellent linearity and stable performance.

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BB 914

Silicon Variable Capacitance Diode

• For FM radio tuner with extended frequency band • High tuning ratio low supply voltage (car radio) • Monolitic chip (common cathode) for perfect dual diode tracking • Good linearity of C-V curve • High figure of merit

Type Marking Ordering Code Pin Configuration Package BB 914 SMs Q62702-B673 1 = A1 2 = A2 3=C1/2 SOT-23

Maximum Ratings Parameter Symbol Values Unit Diode reverse voltage VR Peak reverse voltage VRM Forward current, TA ≤ 60°C IF m A Operating temperature range - 55 ... + 125 °C Storage temperature Tstg - 55 ... + 150 Thermal Resistance

Junction - ambient Rth JA ≤ 600 K/W

Semiconductor Group Oct-10-1996

Page Summary Contents For Siemens BB 914 Silicon Variable Capacitance Diode Data Sheet

Page 1 BB 914 Silicon Variable Capacitance Diode • For FM radio tuner with extended frequency band • High tuning ratio low supply voltage (car radio) • Monolitic chip (common cathode) for perfect dual diode ...
Page 2 BB 914 Electrical Characteristics at TA=25°C, unless otherwise specified Parameter Symbol Values Unit min. typ. max. DC characteristics Reverse current IR n A VR = 16 V, TA = 25 °C VR = 16 V, TA = 60 ...
Page 3 BB 914 Diode capacitance per diode Capacitance ratio CTref/CT = f(VR) CT = f(VR) f = 1MHz Vref = Parameter, f = 1MHz CT CTref/CT VR VR Package Semiconductor Group Oct-10-1996