component
MURS120T3G
Public Made by Adomby adom
JSMSEMI Diodes - Fast Recovery Rectifiers, SMB. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, 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
markdownMURS120T3G
JSMSEMI · Diodes - Fast Recovery Rectifiers · SMB
MURS120T3G from JSMSEMI, in a SMB. 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 | K | passive | Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | JSMSEMI |
| Package | SMB |
| Category | Diodes |
| Pins | 2 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Forward Voltage | VFM | 1.25 | V | @IF = 1.0A | 1 | ||
| Reverse Recovery Time | trr | 35 | nS | Measured with IF = 0.5A, IR = 1.0A, Irr = 0.25A. See figure 5. | 1 | ||
| Average Rectified Output Current | IO | 1 | A | TL = 150 °C | 1 | ||
| Peak Repetitive Reverse Voltage | VRRM | 200 | V | 1 | |||
| RMS Reverse Voltage | VR(RMS) | 140 | V | 1 | |||
| Typical Junction Capacitance | Cj | 35 | pF | Measured at 1.0 MHz and applied reverse voltage of 4.0 V DC | 1 | ||
| Typical Thermal Resistance (junction to lead) | RJL | 25 | °C/W | Mounted on P.C. Board with 8.0mm2 land area | 1 | ||
| Operating and Storage Temperature Range | Tj, TSTG | -65 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
MURS120T3G - Footprint:
Diode_SMD:D_SMB - 3D model: SMB (KiCad packages3D, STEP)
- 3D model files:
murs120t3g-etched.step/murs120t3g-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);murs120t3g.step/murs120t3g.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: JSMSEMI datasheet (2 pp, sha256
63611a40aed06520, retrieved 2026-10-21, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band convention(convention), consensusoff(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).