component
TSF840MR
Public Made by Adomby adom
Truesemi MOSFETs, TO-220F-3. 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
markdownTSF840MR
Truesemi · MOSFETs · TO-220F-3
TSF840MR from Truesemi, in a TO-220F-3. 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; gate-source voltage limited to ±30 V with threshold of 2.0 to 4.0 V at ID = 250 uA. |
| 2 | D | passive | Drain; drain-source voltage rated 500 V with continuous drain current of 9.0 A at TC = 25℃. |
| 3 | S | passive | Source; source-drain diode continuous forward current is 9.0 A maximum. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Truesemi |
| Package | TO-220F-3 |
| Category | Transistors/Thyristors |
| 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 |
|---|---|---|---|---|---|---|---|
| Gate-Source Voltage | VGS | -30 | 30 | V | 1 | ||
| Drain-Source Voltage | VDSS | 500 | V | 1 | |||
| Drain Current | ID | 9 | A | TC = 25℃ | 1 | ||
| Drain Current | ID | 5.4 | A | TC = 100℃ | 1 | ||
| Pulsed Drain Current | IDM | 36 | A | Note 1 | 1 | ||
| Single Pulsed Avalanche Energy | EAS | 360 | mJ | Note 2 | 1 | ||
| Repetitive Avalanche Energy | EAR | 13.9 | mJ | Note 1 | 1 | ||
| Peak Diode Recovery dv/dt | dv/dt | 4.5 | V/ns | Note 3 | 1 | ||
| Power Dissipation | PD | 45.5 | W | TC = 25℃ | 1 | ||
| Power Dissipation Derating | PD | 0.36 | W/℃ | Derate above 25℃ | 1 | ||
| Operating and Storage Temperature Range | TJ, TSTG | -55 | 150 | ℃ | 1 | ||
| Maximum Lead Temperature for Soldering | TL | 300 | ℃ | 1/8 in from case for 5 s | 1 | ||
| Thermal Resistance, Junction-to-Case | RθJC | 2.75 | ℃/W | 1 | |||
| Thermal Resistance, Junction-to-Ambient | RθJA | 62.5 | ℃/W | 1 | |||
| Drain-Source Breakdown Voltage | BVDSS | 500 | V | VGS = 0 V, ID = 250 uA | 2 | ||
| Gate Threshold Voltage | VGS(th) | 2 | 4 | V | VDS = VGS, ID = 250 uA | 2 | |
| Static Drain-Source On-Resistance | RDS(ON) | 0.68 | 0.8 | Ω | VGS = 10 V, ID = 4.5 A | 2 | |
| Zero Gate Voltage Drain Current | IDSS | 1 | uA | VDS = 500 V, VGS = 0 V | 2 | ||
| Zero Gate Voltage Drain Current | IDSS | 10 | uA | VDS = 400 V, TJ = 125℃ | 2 | ||
| Gate-Body Leakage Current, Forward | IGSSF | 100 | nA | VGS = 30 V, VDS = 0 V | 2 | ||
| Gate-Body Leakage Current, Reverse | IGSSR | -100 | nA | VGS = -30 V, VDS = 0 V | 2 | ||
| Continuous Source-Drain Diode Forward Current | IS | 9 | A | 2 | |||
| Pulsed Source-Drain Diode Forward Current | ISM | 36 | A | 2 | |||
| Source-Drain Diode Forward Voltage | VSD | 1.4 | V | IS = 9.0 A, VGS = 0 V | 2 | ||
| Reverse Recovery Time | trr | 340 | ns | IS = 9.0A, VGS = 0 V, diF/dt = 100 A/μs (Note 4) | 2 | ||
| Reverse Recovery Charge | Qrr | 3 | uC | 2 | |||
| Breakdown Voltage Temperature Coefficient | ΔBVDSS/ΔTJ | 0.6 | V/℃ | ID = 250 uA, referenced to 25℃ | 2 | ||
| Input Capacitance | Ciss | 1050 | pF | VDS = 25 V, VGS = 0 V, f = 1.0 MHz | 2 | ||
| Output Capacitance | Coss | 130 | pF | 2 | |||
| Reverse Transfer Capacitance | Crss | 25 | pF | 2 | |||
| Turn-On Time | td(on) | 20 | ns | VDS = 250 V, ID = 9.0A, RG = 25 Ω (Note 4,5) | 2 | ||
| Turn-On Rise Time | tr | 70 | ns | 2 | |||
| Turn-Off Delay Time | td(off) | 90 | ns | 2 | |||
| Turn-Off Fall Time | tf | 60 | ns | 2 | |||
| Total Gate Charge | Qg | 30 | nC | VDS = 400 V, ID = 9.0A, VGS = 10 V (Note 4,5) | 2 | ||
| Gate-Source Charge | Qgs | 4 | nC | 2 | |||
| Gate-Drain Charge | Qgd | 15 | nC | 2 |
CAD (KiCad official)
- Symbol:
TSF840MR - Footprint:
Package_TO_SOT_THT:TO-220F-3_Vertical - 3D model: TO-220F-3 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Truesemi datasheet (7 pp, sha256
4bb1042bfd364fb7, retrieved 2026-10-16, 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).