component
MMBD4448HTW
Public Made by Adomby adom
Changjing Switching Diodes, SOT-363. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownMMBD4448HTW
Changjing · Switching Diodes · SOT-363
MMBD4448HTW from Changjing, 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, internally independent and paired with cathode pin 6; VRRM 80 V, IFM 500 mA. |
| 2 | A2 | passive | Anode of diode 2, internally independent and paired with cathode pin 5; VRRM 80 V, IFM 500 mA. |
| 3 | A3 | passive | Anode of diode 3, internally independent and paired with cathode pin 4; VRRM 80 V, IFM 500 mA. |
| 4 | K3 | passive | Cathode of diode 3, paired with anode pin 3; VRRM 80 V, IFM 500 mA. |
| 5 | K2 | passive | Cathode of diode 2, paired with anode pin 2; VRRM 80 V, IFM 500 mA. |
| 6 | K1 | passive | Cathode of diode 1, paired with anode pin 1; VRRM 80 V, IFM 500 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Changjing |
| Package | SOT-363 |
| Category | Diodes |
| Pins | 6 |
CAD (KiCad official)
- Symbol:
MMBD4448HTW - Footprint:
Package_TO_SOT_SMD:SOT-363_SC-70-6 - 3D model: SOT-363 (KiCad packages3D, STEP)
- 3D model files:
mmbd4448htw-etched.step/mmbd4448htw-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);mmbd4448htw.step/mmbd4448htw.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Changjing datasheet (5 pp, sha256
1b894fa0e5fbebce, retrieved 2026-10-09, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).