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Contents

README

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MMBD4448HSDW-7-F

Diodes Incorporated · Fast Recovery / High Efficiency Diodes · SOT-363

MMBD4448HSDW-7-F from Diodes Incorporated, in a SOT-363. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 A1 passive Anode of diode 1 in the MMBD4448HSDW array (80V VRRM, 500mA forward continuous current per datasheet ratings).
2 C1 passive Cathode of diode 1 in the MMBD4448HSDW array (80V VRRM, 500mA forward continuous current per datasheet ratings).
3 AC2 passive Combined anode/cathode node (AC2) of the MMBD4448HSDW array, shown as a junction between two diodes in the pin diagram.
4 A2 passive Anode of diode 2 in the MMBD4448HSDW array (80V VRRM, 500mA forward continuous current per datasheet ratings).
5 C2 passive Cathode of diode 2 in the MMBD4448HSDW array (80V VRRM, 500mA forward continuous current per datasheet ratings).
6 AC1 passive Combined anode/cathode node (AC1) of the MMBD4448HSDW array, shown as a junction between two diodes in the pin diagram.

Key specifications

Parameter Value
Manufacturer Diodes Incorporated
Package SOT-363
Category Diodes
Pins 6

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Non-Repetitive Peak Reverse Voltage VRM 100 V 2
Peak Repetitive Reverse Voltage VRRM 80 V 2
Working Peak Reverse Voltage VRWM 80 V 2
DC Blocking Voltage VR 80 V 2
RMS Reverse Voltage VR(RMS) 57 V 2
Forward Continuous Current IFM 500 mA Note 5 2
Non-Repetitive Peak Forward Surge Current IFSM 4 A t = 1.0 µs 2
Non-Repetitive Peak Forward Surge Current IFSM 1 A t = 1.0 ms 2
Power Dissipation PD 200 mW Note 5 (device on FR-4 PCB, 1 inch square, 2oz copper pad) 2
Thermal Resistance Junction to Ambient Air RθJA 625 °C/W Note 5 (device on FR-4 PCB, 1 inch square, 2oz copper pad) 2
Operating and Storage Temperature Range TJ, TSTG -55 150 °C 2
Reverse Breakdown Voltage V(BR)R 80 V IR = 100µA 2
Forward Voltage VF 0.62 0.72 V IF = 5.0mA 2
Forward Voltage VF 0.855 V IF = 10mA 2
Forward Voltage VF 1 V IF = 100mA 2
Forward Voltage VF 1.25 V IF = 150mA 2
Reverse Current IR 100 nA VR = 70V 2
Reverse Current IR 50 µA VR = 75V, TJ = +150°C 2
Reverse Current IR 30 µA VR = 25V, TJ = +150°C 2
Reverse Current IR 25 nA VR = 20V 2
Total Capacitance CT 3.5 pF VR = 6V, f = 1.0MHz 2
Reverse-Recovery Time trr 4 ns VR = 6V, IF = 5mA 2

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts tin • Terminals: Matte Tin Finish Annealed over Alloy 42 Leadframe (Lead-Free Plating). Solderable per MIL-STD-202, Method 208 1

CAD (KiCad official)

  • Symbol: MMBD4448HSDW-7-F
  • Footprint: Package_TO_SOT_SMD:SOT-363_SC-70-6
  • 3D model: SOT-363 (KiCad packages3D, STEP)
  • 3D model files: mmbd4448hsdw-7-f-etched.step / mmbd4448hsdw-7-f-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); mmbd4448hsdw-7-f.step / mmbd4448hsdw-7-f.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Diodes Incorporated datasheet (6 pp, sha256 85746316f9922222, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF