Datasheet | Ftd02p
| Part Number | ( V_R ) | ( I_O ) | ( t_rr ) | Package | Compatibility | | :--- | :--- | :--- | :--- | :--- | :--- | | | 200V | 1A | 50ns | DO-41 | Reference | | 1N4148 | 100V | 0.2A | 4ns | DO-35 | No (Lower current/voltage) | | UF4002 | 100V | 1A | 50ns | DO-41 | Partial (Lower voltage) | | UF4003 | 200V | 1A | 50ns | DO-41 | Yes (Direct electrical equivalent) | | 1N4935 | 200V | 1A | 200-300ns | DO-41 | No (Slower - 200ns) | | MUR120 | 200V | 1A | 35ns | DO-41 | Yes (Slightly faster) |
Circuit: Connect the Ftd02p in across the relay coil (cathode to positive supply, anode to ground). The 30A surge rating handles the initial high-current spike without failure, protecting the driving transistor. C. Reverse Polarity Protection in DC Inputs For low-power DC devices (12V to 48V, <1A), the Ftd02p acts as a blocking diode. Ftd02p Datasheet
In the world of power electronics, few components are as critical yet as easily overlooked as the discrete rectifier diode. These unsung heroes of circuit design handle the brute force of voltage conversion, protection, and signal conditioning. Among the vast sea of part numbers, the Ftd02p stands out as a specific, often sought-after component. | Part Number | ( V_R ) |
By respecting the , adhering to the 50ns recovery time for high-frequency designs, and watching the 100°C/W thermal resistance , you ensure a robust design whether you are repairing a 1990s switching power supply or building a custom flyback driver. Reverse Polarity Protection in DC Inputs For low-power
Circuit: Place the diode in series with the positive power input line. If the user reverses the battery terminals, the Ftd02p blocks current flow, saving the downstream circuitry. The 1V forward drop is a reasonable penalty for safety. If you cannot find the Ftd02p, the datasheet recommends searching for "fast switching diode" with equivalent specs.
Whether you are an R&D engineer troubleshooting a power supply, a student learning about semiconductor characteristics, or a procurement agent verifying specs, accessing and understanding the is your first and most critical step. This article provides a deep dive into the official technical specifications, typical performance curves, and practical application notes for the Ftd02p.
Circuit: In a flyback converter secondary winding, place the Ftd02p in series with the output capacitor. Its fast recovery ensures the diode turns off before the next switching cycle begins. When driving an inductive load (relay coil, solenoid), the magnetic field collapses when power is removed, generating a massive negative voltage spike (flyback voltage).
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