The BB914 is a Silicon Variable Capacitance Diode designed for FM radio tuners, offering an extended frequency band and high tuning ratio at low supply voltage, making it ideal for car radio applications. This monolithic chip features a common cathode configuration for perfect dual diode tracking, ensuring good linearity in its C-V curve and a high figure of merit. The BB914 is Pb-free and RoHS compliant.
| Parameter | Symbol | Value | Unit | Notes |
|---|---|---|---|---|
| Diode reverse voltage | VR | 18 | V | Maximum Ratings at TA = 25C |
| Peak reverse voltage (R 5k) | VRM | 20 | V | Maximum Ratings at TA = 25C |
| Forward current | IF | 50 | mA | Maximum Ratings at TA = 25C |
| Operating temperature range | Top | -55 ... 125 | C | Maximum Ratings |
| Storage temperature | Tstg | -55 ... 150 | C | Maximum Ratings |
| Reverse current | IR | - | nA | VR = 16 V, TA = 25C (max) |
| Reverse current | IR | - | nA | VR = 16 V, TA = 85C (max) |
| Diode capacitance | CT | 42.5 - 45 | pF | VR = 2 V, f = 1 MHz |
| Diode capacitance | CT | 17.6 - 19.75 | pF | VR = 8 V, f = 1 MHz |
| Capacitance ratio | CT2/CT8 | 2.28 - 2.42 | - | VR = 2 V, VR = 8 V, f = 1 MHz |
| Capacitance matching | CT/CT | - 1.5 | % | VR = 2 V, VR = 8 V, f = 1 MHz |
| Series resistance | rS | - 0.28 | VR = 2 V, f = 100 MHz | |
| Inductance | LS | 1.8 | nH | SOT23 package |