component
TF2305B
Public Made by Adomby adom
TF MOSFETs, SOT-23. 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
markdownTF2305B
TF · MOSFETs · SOT-23
TF2305B from TF, 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 | GATE | input | Gate terminal of the P-channel MOSFET, with gate-source voltage rated at ±12 V (VGS). |
| 2 | SOURCE | passive | Source terminal of the P-channel MOSFET, with continuous source-drain diode current rated at -1.4 A (IS). |
| 3 | DRAIN | passive | Drain terminal of the P-channel MOSFET, with drain-source voltage rated at -16 V (VDS) and continuous drain current rated at -4.0 A (ID). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TF |
| 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 | V(BR)DSS | -16 | V | VGS = 0V, ID =-250µA | 2 | ||
| Gate-source threshold voltage | VGS(th) | -0.5 | -0.7 | -1 | V | VDS =VGS, ID =-250µA | 2 |
| Gate-source leakage | IGSS | -100 | 100 | nA | VDS =0V, VGS =±10V | 2 | |
| Zero gate voltage drain current | IDSS | -1 | µA | VDS =-15V, VGS =0V | 2 | ||
| Drain-source on-state resistance | RDS(on) | 0.045 | 0.05 | Ω | VGS =-4.5V, ID =-4.0A | 2 | |
| Drain-source on-state resistance | RDS(on) | 0.075 | 0.08 | Ω | VGS =-2.5V, ID =-3.0A | 2 | |
| Forward transconductance | gfs | 5 | S | VDS =-5V, ID =-2.0A | 2 | ||
| Continuous source-drain diode current | IS | -1.4 | A | TC=25℃ | 2 | ||
| Pulse diode forward current | ISM | -10 | A | Pulse Width < 300µs, Duty Cycle ≤2% | 2 | ||
| Body diode voltage | VSD | -0.8 | -1.2 | V | IS=-3.0A | 2 | |
| Drain-Source Voltage | VDS | -16 | V | 1 | |||
| Gate-Source Voltage | VGS | -12 | 12 | V | 1 | ||
| Continuous Drain Current | ID | -4 | A | 1 | |||
| Pulsed Drain Current | IDM | -15 | A | 1 | |||
| Continuous Source-Drain Diode Current | IS | -1.4 | A | 1 | |||
| Maximum Power Dissipation | PD | 1 | W | 1 | |||
| Junction Temperature | TJ | 150 | ℃ | 1 | |||
| Storage Temperature | Tstg | -55 | 150 | ℃ | 1 | ||
| Thermal Resistance from Junction to Ambient | RθJA | 125 | ℃/W | t ≤5s | 1 |
CAD (KiCad official)
- Symbol:
TF2305B - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
tf2305b-etched.step/tf2305b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tf2305b.step/tf2305b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TF datasheet (6 pp, sha256
0268cea46722163c, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).