1N4007 T7 0.5A 1000V Schottky Diode SOD-123

1N4007 T7 0.5A 1000V Schottky Diode SOD-123 is a compact, high-efficiency surface-mount semiconductor designed strictly for advanced rectification and fast-switching protection circuits. This device rapidly converts alternating current to direct current while occupying minimal footprint area on dense printed circuit boards. Consequently, design engineers seamlessly integrate this component into modern portable electronics, miniaturized power adapters, and custom logic boards. The diode robustly blocks immense reverse voltages up to 1000V, therefore providing unparalleled protection against harmful inductive transient spikes. Furthermore, its Schottky-like fast switching capability and relatively low forward voltage drop optimize energy efficiency by minimizing thermal waste during continuous high-frequency operation. Additionally, the automated pick-and-place assembly process heavily favors this standardized SOD-123 package, however, hand-soldering remains entirely feasible for prototyping.

Key Features:

• Space-Saving Package: The SOD-123 surface-mount profile drastically reduces board space requirements compared to traditional DO-41 through-hole diodes.
• High Reverse Voltage: The exceptional 1000V peak repetitive reverse voltage rating prevents catastrophic breakdown during unpredictable high-voltage surges.
• Fast Switching Speed: Incorporating fast-recovery characteristics, this diode minimizes switching losses in high-frequency power supply applications.
• Low Leakage Current: It exhibits minimal reverse leakage current, consequently preserving stored energy and reducing unwanted electrical noise.
• Standard Marking Code: The clear “T7” laser marking allows technicians to easily identify the component during inspection and repair processes.

Technical Specifications:

• Repetitive Peak Reverse Voltage (V_RRM): 1000 V
• Average Forward Current (I_F(AV)): 0.5 A (Rated up to 1.0 A maximum depending on thermal dissipation)
• Forward Voltage Drop (V_F): ≈ 0.9 V
• Reverse Recovery Time (t_rr): ≤ 40 ns
• Peak Forward Surge Current (I_FSM): 30 A (Non-repetitive half sine-wave)
• Maximum Reverse Leakage Current (I_R): ≈ 1.0 μA (at standard voltage)
• Operating Junction Temperature: −55°C to +150°C

Mechanical Specifications:

• Package Type: SOD-123 (Surface-Mount Device)
• Component Material: Molded plastic epoxy resin case
• Lead Finish: Matte tin-plated terminals for superior solderability.
• Polarity: Denoted by a prominent laser-etched band indicating the Cathode.
• Flammability Rating: UL 94 V-0

Dimensions:

• Body Length: ≈ 2.68 mm
• Body Width: ≈ 1.60 mm
• Body Height: ≈ 1.15 mm
• Terminal Length: ≈ 0.50 mm (Soldering pads on each side)
• Weight: ≈ 0.01 grams

Pinout and Wiring:

• Anode (Unmarked Pad): Connect this surface-mount pad to the positive higher voltage power source. Current enters the device through this terminal.
• Cathode (Banded Pad): Connect this terminal (indicated by the distinct stripe marking) toward the lower voltage, load, or ground side of your circuit layout.
• Wiring Note: Ensure your PCB land patterns strictly match the SOD-123 footprint, therefore guaranteeing proper solder reflow and optimal thermal heat dissipation.

Datasheet Reference:

• Download 1N4007 Series MiniMELF/SOD-123 Datasheet

Commonly Used in:

• Switching Power Supplies: Acting as high-efficiency rectifiers in compact switch-mode power supply (SMPS) topologies.
• DC-DC Converters: Facilitating rapid freewheeling diode action to maintain stable outputs in buck and boost converters.
• Reverse Polarity Protection: Blocking accidental reverse battery connections in low-power handheld electronics.

Applications:

• High-Frequency Rectification: Modifying varied high-frequency AC signals into pure DC voltage rails effectively.
• Inductive Load Damping: Suppressing back-EMF spikes generated by miniature micro-motors and micro-relays.
• Voltage Snubbing: Trimming unsafe voltage overshoot transients to protect sensitive microcontroller GPIO pins consequently.

Equivalent Models:

• 1N4148W: A smaller, extremely fast switching diode however rated for significantly lower voltage and current (100V, 150mA).
• SS110: A specialized 1A, 100V surface-mount Schottky rectifier offering an even lower forward voltage drop.
• M7 (SMA Package): The standard 1A 1000V surface mount equivalent of the 1N4007, physically larger than the SOD-123 package.

Package Includes:

• 1 x 1N4007 T7 0.5A 1000V Schottky Diode (SOD-123 Package)