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| Categories | Variable Capacitance (Varicaps, Varactors) |
|---|---|
| Capacitance Ratio: | 2.25@C2V/C8V |
| DC Reverse Voltage(Vr): | 18V |
| Diode Configuration: | 1 Pair Common Cathode |
| Diode Capacitance: | 22.7pF@8V,1MHz |
| Description: | 2.25@C2V/C8V 18V 1 Pair Common Cathode 22.7pF@8V,1MHz SOT-23-3 Variable Capacitance (Varicaps, Varactors) RoHS |
| Mfr. Part #: | BB814E7801GR1HTSA1 |
| Model Number: | BB814E7801GR1HTSA1 |
| Package: | SOT-23-3 |
| Company Info. |
| Hefei Purple Horn E-Commerce Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
The BB814 is a Silicon Variable Capacitance Diode designed for FM radio tuners with an extended frequency band. It offers a high tuning ratio at low supply voltage, making it ideal for car radio applications. This diode features a monolithic chip with a common cathode configuration for perfect dual diode tracking. Coded capacitance groups and group matching are available. The product 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 | 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 (VR = 16 V) | IR | - | nA | TA = 25C |
| Reverse current (VR = 16 V, TA = 60 C) | IR | - | 200 nA | TA = 60C |
| Diode capacitance (VR = 2 V, f = 1 MHz) | CT | 43 ... 46.5 | pF | Capacitance groups 1 & 2 |
| Diode capacitance (VR = 8 V, f = 1 MHz) | CT | 19.1 ... 22.7 | pF | Capacitance groups 1 & 2 |
| Capacitance ratio (VR = 2 V, VR = 8 V, f = 1 MHz) | CT2/CT8 | 2.05 ... 2.25 | - | - |
| Capacitance matching (VR = 2 V, VR = 8 V, f = 1 MHz) | CT/CT | - | 3 % | Maximum |
| Series resistance (VR = 2 V, f = 100 MHz) | rS | - | 0.18 | Typical |
| Q factor (f = 100 MHz, VR = 2 V) | Q | - | 200 | Typical |
| LS (nH) | - | 1.8 | - | SOT23 |
| Marking | - | SH1/2* | - | *For differences see next page |
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