component
BSS138-13-F
Public Made by Adomby adom
Diodes Incorporated 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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Contents
README
markdownBSS138-13-F
Diodes Incorporated · MOSFETs · SOT-23
BSS138-13-F from Diodes Incorporated, 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; shown at bottom left of the top view, with a continuous gate-source rating of ±20 V and a threshold of 0.5 V min to 1.5 V max at ID = 250 µA. |
| 2 | S | passive | Source; shown at bottom right of the top view, and the body diode anode connects here. |
| 3 | D | passive | Drain; shown at the top centre of the top view, with a drain-source voltage rating of 50 V and a continuous drain current of 200 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | SOT-23 |
| Category | Transistors |
| 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 | 50 | 75 | V | VGS = 0V, ID = 250µA | 2 | |
| Zero Gate Voltage Drain Current | IDSS | 0.5 | µA | VDS = 50V, VGS = 0V | 2 | ||
| Gate-Body Leakage | IGSS | 100 | nA | VGS = 20V, VDS = 0V | 2 | ||
| Gate Threshold Voltage | VGS(TH) | 0.5 | 1.2 | 1.5 | V | VDS = VGS, ID = 250µA | 2 |
| Static Drain-Source On-Resistance | RDS(ON) | 1.4 | 3.5 | Ω | VGS = 10V, ID = 0.22A | 2 | |
| Forward Transconductance | gFS | 100 | mS | VDS = 25V, ID = 0.2A, f = 1.0KHz | 2 | ||
| Input Capacitance | Ciss | 50 | pF | VDS = 10V, VGS = 0V, f = 1.0MHz | 2 | ||
| Output Capacitance | Coss | 25 | pF | VDS = 10V, VGS = 0V, f = 1.0MHz | 2 | ||
| Reverse Transfer Capacitance | Crss | 8 | pF | VDS = 10V, VGS = 0V, f = 1.0MHz | 2 | ||
| Turn-On Delay Time | tD(ON) | 20 | ns | VDD = 30V, ID = 0.2A, RGEN = 50Ω | 2 | ||
| Turn-Off Delay Time | tD(OFF) | 20 | ns | VDD = 30V, ID = 0.2A, RGEN = 50Ω | 2 | ||
| Drain-Source Voltage | VDSS | 50 | V | TA = +25°C | 2 | ||
| Drain-Gate Voltage | VDGR | 50 | V | RGS ≤ 20K | 2 | ||
| Gate-Source Voltage Continuous | VGSS | -20 | 20 | V | Continuous | 2 | |
| Gate-Source Voltage Non Repetitive | VGSS | -40 | 40 | V | Pulse Width<50µs | 2 | |
| Drain Current Continuous | ID | 200 | mA | TA = +25°C | 2 | ||
| Pulsed Drain Current | IDM | 1 | A | 10µs Pulse Duty Cycle = 1% | 2 | ||
| Power Dissipation | PD | 300 | mW | Note 5, TA = +25°C | 2 | ||
| Thermal Resistance, Junction to Ambient | RθJA | 417 | °C/W | Note 5 | 2 | ||
| Operating and Storage Temperature Range | TJ, TSTG | -55 | 150 | °C | 2 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| contacts | tin | Terminals: Matte Tin Finish Annealed over Alloy 42 Leadframe (Lead Free Plating). Solderable per MIL-STD-202, Method 208 | 1 |
CAD (KiCad official)
- Symbol:
BSS138-13-F - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
bss138-13-f-etched.step/bss138-13-f-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);bss138-13-f.step/bss138-13-f.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (5 pp, sha256
9880dc0c619083b1, retrieved 2026-10-22, tier: manufacturer) - 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).