Ftd02p Datasheet -

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.

| 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) | Ftd02p Datasheet

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. Circuit: Place the diode in series with the

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. If you cannot find the Ftd02p, the datasheet

A ( t_rr ) of 50ns (or less) indicates the Ftd02p is a Fast Recovery Diode (not a standard 2-4µs rectifier). This makes it suitable for high-frequency switching circuits (e.g., SMPS output stages or flyback clamps). 3. Thermal and Mechanical Data A datasheet is useless if you don't know how to keep the part cool. Thermal Resistance | Parameter | Symbol | Value | Unit | | :--- | :--- | :--- | :--- | | Junction to Ambient (lead length 9.5mm on PCB) | ( R_\theta JA ) | 100 | °C/W |

| Parameter | Symbol | Value | Unit | | :--- | :--- | :--- | :--- | | Peak Repetitive Reverse Voltage | ( V_RRM ) | 200 | V | | RMS Reverse Voltage | ( V_RMS ) | 140 | V | | DC Blocking Voltage | ( V_DC ) | 200 | V | | Average Rectified Forward Current (TA=75°C) | ( I_O ) | 1.0 | A | | Non-Repetitive Peak Forward Surge Current (8.3ms single half-sine wave) | ( I_FSM ) | 30 | A | | Operating and Storage Junction Temperature Range | ( T_J, T_STG ) | -65 to +175 | °C |

The Ftd02p is rated for 200V and 1A average current. The surge rating of 30A makes it robust for capacitive load startups. Electrical Characteristics (Per the Datasheet) | Parameter | Test Condition | Min | Typ | Max | Unit | | :--- | :--- | :--- | :--- | :--- | :--- | | Forward Voltage (( V_F )) | ( I_F = 1.0A ) | - | - | 1.0 | V | | Reverse Leakage Current (( I_R )) | ( V_R = 200V ), TA=25°C | - | - | 5 | µA | | Reverse Leakage Current (( I_R )) | ( V_R = 200V ), TA=100°C | - | - | 100 | µA | | Reverse Recovery Time (( t_rr )) | ( I_F = 0.5A, I_R = 1.0A, I_rec=0.25A ) | - | - | 50 | ns |