# FDS6900AS-NL-VB

**VBsemi Elec** · MOSFETs · SO-8

FDS6900AS-NL-VB from VBsemi Elec, in a SO-8. 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 | DRAIN2 | passive | Drain of the second N-channel MOSFET (D2), tied internally with pin 2. |
| 2 | DRAIN2 | passive | Drain of the second N-channel MOSFET (D2), tied internally with pin 1. |
| 3 | GATE1 | input | Gate of the first N-channel MOSFET (G1), with VGS rated ±20 V and threshold 1.0 to 2.5 V. |
| 4 | SOURCE1/ANODE | passive | Source of the first N-channel MOSFET (S1) and body diode anode. |
| 5 | DRAIN1/SOURCE2/CATHODE | passive | Drain of MOSFET 1 joined with source of MOSFET 2 (D1/S2) and body diode cathode, tied with pins 6 and 7. |
| 6 | DRAIN1/SOURCE2/CATHODE | passive | Drain of MOSFET 1 joined with source of MOSFET 2 (D1/S2) and body diode cathode, tied with pins 5 and 7. |
| 7 | DRAIN1/SOURCE2/CATHODE | passive | Drain of MOSFET 1 joined with source of MOSFET 2 (D1/S2) and body diode cathode, tied with pins 5 and 6. |
| 8 | GATE2 | input | Gate of the second N-channel MOSFET (G2), with VGS rated ±20 V and threshold 1.0 to 2.5 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | VBsemi Elec |
| Package | SO-8 |
| Category | Transistors/Thyristors |
| Pins | 8 |

## 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 Voltage | VDS |  |  | 30 | V | TA = 25 °C | 1 |
| Gate-Source Voltage | VGS | -20 |  | 20 | V | TA = 25 °C | 1 |
| Pulsed Drain Current | IDM |  |  | 40 | A | TA = 25 °C | 1 |
| Single Pulse Avalanche Current | IAS |  |  | 5 | A | L = 0.1 mH | 1 |
| Single Pulse Avalanche Energy | EAS |  |  | 1.25 | mJ | L = 0.1 mH | 1 |
| Operating Junction and Storage Temperature Range | TJ, Tstg | -55 |  | 150 | °C |  | 1 |
| Junction-to-Ambient Thermal Resistance | RthJA |  | 58 | 70 | °C/W | t ≤ 10 s | 1 |
| Junction-to-Foot (Drain) Thermal Resistance | RthJF |  | 38 | 45 | °C/W | Steady State | 1 |
| Drain-Source Breakdown Voltage | VDS | 30 |  |  | V | VGS = 0 V, ID = 250 µA | 2 |
| Gate-Source Threshold Voltage | VGS(th) | 1 |  | 2.5 | V | VDS = VGS, ID = 250 µA | 2 |
| Gate-Source Leakage | IGSS | -100 |  | 100 | nA | VDS = 0 V, VGS = ± 20 V | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 1 | µA | VDS = 30 V, VGS = 0 V | 2 |
| Zero Gate Voltage Drain Current | IDSS |  |  | 10 | µA | VDS = 30 V, VGS = 0 V, TJ = 55 °C | 2 |
| On-State Drain Current | ID(on) | 10 |  |  | A | VDS ≥ 5 V, VGS = 10 V | 2 |
| Drain-Source On-State Resistance | RDS(on) |  |  | 0.008 | Ω | VGS = 10 V, ID = 5 A | 2 |
| Drain-Source On-State Resistance | RDS(on) |  |  | 0.012 | Ω | VGS = 4.5 V, ID = 4 A | 2 |
| Forward Transconductance | gfs |  | 16 |  | S | VDS = 10 V, ID = 5 A | 2 |
| Gate Resistance | Rg | 0.8 | 4.3 | 8.6 | Ω | f = 1 MHz | 2 |
| Turn-On Delay Time | td(on) |  | 12 | 24 | ns | VDD = 15 V, RL = 3 Ω, ID ≅ 5 A, VGEN = 4.5 V, Rg = 1 Ω | 2 |
| Rise Time | tr |  | 55 | 100 | ns | VDD = 15 V, RL = 3 Ω, ID ≅ 5 A, VGEN = 4.5 V, Rg = 1 Ω | 2 |
| Turn-Off Delay Time | td(off) |  | 11 | 22 | ns | VDD = 15 V, RL = 3 Ω, ID ≅ 5 A, VGEN = 4.5 V, Rg = 1 Ω | 2 |
| Fall Time | tf |  | 8 | 16 | ns | VDD = 15 V, RL = 3 Ω, ID ≅ 5 A, VGEN = 4.5 V, Rg = 1 Ω | 2 |
| Rise Time | tr |  | 9 | 18 | ns | VDD = 15 V, RL = 3 Ω, ID ≅ 5 A, VGEN = 10 V, Rg = 1 Ω | 2 |
| Turn-Off Delay Time | td(off) |  | 10 | 20 | ns | VDD = 15 V, RL = 3 Ω, ID ≅ 5 A, VGEN = 10 V, Rg = 1 Ω | 2 |
| Fall Time | tf |  | 6 | 12 | ns | VDD = 15 V, RL = 3 Ω, ID ≅ 5 A, VGEN = 10 V, Rg = 1 Ω | 2 |
| Continuous Source-Drain Diode Current | IS |  |  | 2.25 | A | TC = 25 °C | 2 |
| Pulse Diode Forward Current | ISM |  |  | 24 | A |  | 2 |
| Body Diode Voltage | VSD |  | 0.8 | 1.2 | V | IS = 2 A, VGS = 0 V | 2 |
| Body Diode Reverse Recovery Time | trr |  | 11 | 20 | ns | IF = 5 A, dI/dt = 100 A/µs, TJ = 25 °C | 2 |
| Input Capacitance | Ciss |  | 586 |  | pF | VDS = 15 V, VGS = 0 V, f = 1 MHz | 2 |
| Output Capacitance | Coss |  | 117 |  | pF | VDS = 15 V, VGS = 0 V, f = 1 MHz | 2 |
| Reverse Transfer Capacitance | Crss |  | 55 |  | pF | VDS = 15 V, VGS = 0 V, f = 1 MHz | 2 |

## CAD (KiCad official)

- Symbol: `FDS6900AS-NL-VB`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SO-8 (KiCad packages3D, STEP)
- 3D model files: `fds6900as-nl-vb-etched.step` / `fds6900as-nl-vb-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `fds6900as-nl-vb.step` / `fds6900as-nl-vb.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [VBsemi Elec datasheet](docs/fds6900as-nl-vb-datasheet.pdf) (9 pp, sha256 `1398ecb2354a3deb`, retrieved 2026-10-27, 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/fds6900as-nl-vb-datasheet.pdf)