## Technical Overview of CD214A-R1600 The **CD214A-R1600** is a Surface Mount (SMD) General Purpose Rectifier diode manufactured by Bourns. It is part of the CD214A series, designed for rectification and polarity protection in space-constrained applications. ### 1. Key Specifications The following table highlights the critical electrical characteristics of the component: | Parameter | Value | Description | | :--- | :--- | :--- | | **Model Number** | CD214A-R1600 | Part identification | | **Package** | SMA (DO-214AC) | Standard surface mount package | | **Max Repetitive Peak Reverse Voltage ($V_{RRM}$)** | 600 V | Maximum voltage the diode can block | | **Average Forward Current ($I_{F(AV)}$)** | 1.0 A | Maximum continuous current flow | | **Forward Voltage Drop ($V_F$)** | 1.1 V (Max) | Voltage loss at rated current | | **Peak Forward Surge Current ($I_{FSM}$)** | 30 A | Max current for 8.3ms half sine-wave | | **Operating Temperature Range** | -55 to +150 °C | Thermal limits | --- ### 2. Functional Characteristics * **Rectification:** Its primary role is to convert Alternating Current (AC) to Direct Current (DC). * **Low Profile:** The SMA package is designed for automated assembly and occupies minimal PCB footprint compared to through-hole versions. * **High Reliability:** It features a glass passivated chip structure, which enhances its stability against environmental factors and reduces leakage current. ### 3. Common Applications * **Power Supplies:** Used in bridge rectifiers or half-wave rectifiers for low-power adapters. * **Reverse Polarity Protection:** Prevents damage to circuits if the DC power source is connected backwards. * **Freewheeling Diode:** Used in inductive loads (like relays or small motors) to suppress voltage spikes. ### 4. Part Number Breakdown Bourns uses a specific nomenclature for this series: `CD` (Chip Diode) / `214A` (Package Type SMA) / `R` (Rectifier) / `1` (Current - 1A) / `600` (Voltage - 600V) --- ### 5. Footprint Information (SMA / DO-214AC) ```text +-------+ | (A) | <--- Anode (-) +---| |---+ | | [Mark]| | +---| |---+ | (K) | <--- Cathode (+) [Indicated by a band] +-------+ ``` ---