component
FDN537N-HXY
Public Made by Adomby adom
HXY MOSFET MOSFETs, SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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README.md+79docs/fdn537n-hxy-datasheet.pdf+3547docs/hero.pngfdn537n-hxy-etched.glbfdn537n-hxy-hero.glbfdn537n-hxy-hero.overlay.json+150fdn537n-hxy.glbfdn537n-hxy.kicad_mod+177fdn537n-hxy.kicad_sym+25fdn537n-hxy.lbr+116fdn537n-hxy.step+1434package.json+161page.json+167viewers/footprint.html+1viewers/symbol.html+1README.mdadded+79@@ -0,0 +1,79 @@+# FDN537N-HXY++**HXY MOSFET** · MOSFETs · SOT-23++FDN537N-HXY from HXY MOSFET, in a SOT-23. 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 | G | input | Gate of the N-channel MOSFET; VGS rated ±20 V maximum, with gate threshold 1.0 to 2.5 V at 250 uA and gate leakage up to ±100 nA. |+| 2 | D | passive | Drain of the N-channel MOSFET; VDS rated 30 V maximum, continuous drain current 5.8 A and pulsed 18.4 A. |+| 3 | S | passive | Source of the N-channel MOSFET; continuous body-diode source current is 4.6 A and pulsed 18.4 A. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | HXY MOSFET |+| Package | SOT-23 |+| Category | Triode/MOS Tube/Transistor |+| Pins | 3 |++## Electrical characteristics++Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).++| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |+|---|---|---|---|---|---|---|---|+| Drain-Source Breakdown Voltage | BVDSS | 30 | | | V | VGS=0V, ID=250uA | 2 |+| Static Drain-Source On-Resistance | RDS(ON) | | 22 | 28 | mΩ | VGS=10V, ID=4A | 2 |+| Static Drain-Source On-Resistance | RDS(ON) | | 26 | 32 | mΩ | VGS=4.5V, ID=3A | 2 |+| Gate Threshold Voltage | VGS(th) | 1 | 1.5 | 2.5 | V | VGS=VDS, ID=250uA | 2 |+| Drain-Source Leakage Current | IDSS | | | 1 | uA | VDS=24V, VGS=0V, TJ=25℃ | 2 |+| Drain-Source Leakage Current | IDSS | | | 5 | uA | VDS=24V, VGS=0V, TJ=55℃ | 2 |+| Gate-Source Leakage Current | IGSS | -100 | | 100 | nA | VGS=±20V, VDS=0V | 2 |+| Gate Resistance | Rg | | 2.3 | 4.6 | Ω | VDS=0V, VGS=0V, f=1MHz | 2 |+| Total Gate Charge (4.5V) | Qg | | 5 | 6.9 | nC | VDS=15V, VGS=4.5V, ID=4A | 2 |+| Gate-Source Charge | Qgs | | 1.1 | 2.2 | nC | VDS=15V, VGS=4.5V, ID=4A | 2 |+| Gate-Drain Charge | Qgd | | 2.6 | 2.8 | nC | VDS=15V, VGS=4.5V, ID=4A | 2 |+| Turn-On Delay Time | Td(on) | | 2 | 4 | ns | VDD=15V, VGS=10V, RG=3.3Ω, ID=4A | 2 |+| Rise Time | Tr | | 34.4 | 62 | ns | VDD=15V, VGS=10V, RG=3.3Ω, ID=4A | 2 |+| Turn-Off Delay Time | Td(off) | | 13.2 | 26 | ns | VDD=15V, VGS=10V, RG=3.3Ω, ID=4A | 2 |+| Fall Time | Tf | | 4.8 | 9.6 | ns | VDD=15V, VGS=10V, RG=3.3Ω, ID=4A | 2 |+| Input Capacitance | Ciss | | 420 | 582 | pF | VDS=15V, VGS=0V, f=1MHz | 2 |+| Output Capacitance | Coss | | 60 | 87 | pF | VDS=15V, VGS=0V, f=1MHz | 2 |+| Reverse Transfer Capacitance | Crss | | 53 | 71 | pF | VDS=15V, VGS=0V, f=1MHz | 2 |+| Continuous Source Current | IS | | | 4.6 | A | VG=VD=0V, Force Current | 2 |+| Pulsed Source Current | ISM | | | 18.4 | A | VG=VD=0V, Force Current | 2 |+| Diode Forward Voltage | VSD | | | 1.2 | V | VGS=0V, IS=1A, TJ=25℃ | 2 |+| Drain-Source Voltage | VDS | | | 30 | V | TA=25℃ | 1 |+| Gate-Source Voltage | VGS | -20 | | 20 | V | TA=25℃ | 1 |+| Drain Current-Continuous | ID | | | 5.8 | A | TA=25℃ | 1 |+| Drain Current-Pulsed | IDM | | | 18.4 | A | TA=25℃, Note 1 | 1 |+| Maximum Power Dissipation | PD | | | 1 | W | TA=25℃ | 1 |+| Operating Junction and Storage Temperature Range | TJ,TSTG | -55 | | 150 | ℃ | TA=25℃ | 1 |+| Thermal Resistance, Junction-to-Ambient | RθJA | | | 125 | ℃/W | Note 2 | 1 |+| BVDSS Temperature Coefficient | △BVDSS/△T | | 0.023 | | V/℃ | Reference to 25℃, ID=1mA | 2 |+| VGS(th) Temperature Coefficient | △VGS(th) | | -4.2 | | mV/℃ | | 2 |+| Forward Transconductance | gfs | | 7 | | S | VDS=5V, ID=4A | 2 |+| Reverse Recovery Time | trr | | 8.7 | | nS | IF=4A, dI/dt=100A/µs, TJ=25℃ | 2 |+| Reverse Recovery Charge | Qrr | | 2.3 | | nC | IF=4A, dI/dt=100A/µs, TJ=25℃ | 2 |++## CAD (KiCad official)++- Symbol: `FDN537N-HXY`+- Footprint: `Package_TO_SOT_SMD:SOT-23`+- 3D model: SOT-23 (KiCad packages3D, STEP)+- 3D model files: `fdn537n-hxy-etched.step` / `fdn537n-hxy-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `fdn537n-hxy.step` / `fdn537n-hxy.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [HXY MOSFET datasheet](docs/fdn537n-hxy-datasheet.pdf) (6 pp, sha256 `9b6789b4ffa9c110`, retrieved 2026-10-23, tier: lcsc)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text), consensus `claude-sonnet-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](docs/fdn537n-hxy-datasheet.pdf)
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