Overview
The BB187LX is a planar technology variable capacitance diode produced by NXP USA Inc. It is encapsulated in an ultra-small leadless plastic SMD package, specifically the SOD882T package. This diode is designed for high-frequency applications and is notable for its excellent matching performance, achieved through gliding matching and a Direct Matching Assembly (DMA) procedure.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Reverse Voltage (VR) | - | - | - | 32 | V |
| Forward Current (IF) | - | - | - | 20 | mA |
| Storage Temperature (Tstg) | - | -55 | - | 150 | °C |
| Junction Temperature (Tj) | - | -55 | - | 125 | °C |
| Reverse Current (IR) at VR = 30 V | - | - | - | 10 nA (at Tj = 25 °C), 200 nA (at Tj = 85 °C) | nA |
| Diode Series Resistance (rs) at f = 470 MHz, VR = 5 V | - | - | 0.7 | - | Ω |
| Diode Capacitance (Cd) at f = 1 MHz | VR = 2 V | 29.3 | - | 34.2 | pF |
| Diode Capacitance (Cd) at f = 1 MHz | VR = 25 V | 2.57 | 2.75 | 2.92 | pF |
| Capacitance Ratio Cd(2V)/Cd(25V) | f = 1 MHz | - | - | 11 | - |
Key Features
- High linearity
- Excellent matching to 2% DMA
- Ultra-small leadless SMD package (SOD882T)
- Low series resistance
- High capacitance ratio (Cd(2V) to Cd(25V)) of 11
Applications
- Voltage Controlled Oscillators (VCO)
- Electronic tuning in VHF television tuners
Q & A
- What is the BB187LX? The BB187LX is a planar technology variable capacitance diode in an ultra-small leadless SMD package.
- What package type does the BB187LX use? The BB187LX uses the SOD882T ultra-small leadless plastic SMD package.
- What are the key features of the BB187LX? Key features include high linearity, excellent matching to 2% DMA, ultra-small package, and low series resistance.
- What are the typical applications of the BB187LX? Typical applications include Voltage Controlled Oscillators (VCO) and electronic tuning in VHF television tuners.
- What is the maximum reverse voltage for the BB187LX? The maximum reverse voltage is 32 V.
- What is the maximum forward current for the BB187LX? The maximum forward current is 20 mA.
- What is the capacitance ratio of the BB187LX at 2V and 25V? The capacitance ratio is 11.
- How is the matching performance of the BB187LX achieved? The matching performance is achieved through gliding matching and a Direct Matching Assembly (DMA) procedure.
- What is the typical diode series resistance of the BB187LX? The typical diode series resistance is 0.7 Ω at f = 470 MHz and VR = 5 V.
- What are the storage and junction temperature ranges for the BB187LX? The storage temperature range is -55°C to 150°C, and the junction temperature range is -55°C to 125°C.
