# BL6N120-A

**BL(Shanghai Belling)** · MOSFETs · TO-220F

BL6N120-A from BL(Shanghai Belling), in a TO-220F. 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 control input of the N-channel MOSFET, limited to ±30 V gate-to-source with a 3.0 to 5.0 V threshold (VDS=VGS, ID=250µA). |
| 2 | Drain | passive | Drain of the N-channel MOSFET, rated 1200 V drain-to-source with 6 A continuous current and 24 A pulsed. |
| 3 | Source | passive | Source of the N-channel MOSFET, connected to the body diode anode, with 6 A continuous body-diode current. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | BL(Shanghai Belling) |
| Package | TO-220F |
| 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 to Source Breakdown Voltage | VDSS | 1200 |  |  | V | VGS=0V, ID=250µA | 3 |
| Drain to Source Leakage Current (Tj = 25°C) | IDSS |  |  | 10 | µA | VDS =1200V, VGS= 0V, Tj = 25℃ | 3 |
| Drain to Source Leakage Current (Tj = 125°C) | IDSS |  |  | 500 | µA | VDS =960V, VGS= 0V, Tj = 125℃ | 3 |
| Gate to Source Forward Leakage | IGSS(F) |  |  | 100 | nA | VGS =+30V | 3 |
| Gate to Source Reverse Leakage | IGSS(R) |  |  | 100 | nA | VGS =-30V | 3 |
| Gate Threshold Voltage | VGS(TH) | 3 |  | 5 | V | VDS = VGS, ID = 250µA(Note4) | 3 |
| Drain-to-Source On-Resistance | RDS(ON) |  | 2.3 | 2.9 | Ω | VGS=10V, ID=3A(Note4) | 3 |
| Continuous Source Current (Body Diode) | IS |  |  | 6 | A | TC=25 °C | 4 |
| Maximum Pulsed Current (Body Diode) | ISM |  |  | 24 | A |  | 4 |
| Diode Forward Voltage | VSD |  |  | 1.2 | V | IS=6A, VGS=0V(Note4) | 4 |
| Drain-to-Source Voltage | VDSS |  |  | 1200 | V |  | 2 |
| Continuous Drain Current | ID |  |  | 6 | A |  | 2 |
| Continuous Drain Current | ID |  |  | 3.5 | A | TC = 100 °C | 2 |
| Pulsed Drain Current | IDM |  |  | 24 | A |  | 2 |
| Gate-to-Source Voltage | VGS | -30 |  | 30 | V |  | 2 |
| Single Pulse Avalanche Energy | EAS |  |  | 480 | mJ | Note2: L=20mH, VDs=50V, Start TJ=25℃ | 2 |
| Peak Diode Recovery dv/dt | dv/dt |  |  | 5 | V/ns | Note3: ISD =6A, di/dt ≤100A/us, VDD≤BVDS, Start TJ=25℃ | 2 |
| Power Dissipation (TO-220F, TO-3PF) | PD |  |  | 63 | W | TO-220F, TO-3PF | 2 |
| Operating Junction and Storage Temperature Range | TJ, Tstg | -55 |  | 150 | ℃ |  | 2 |
| Maximum Temperature for Soldering | TL |  |  | 300 | ℃ |  | 2 |
| Junction-to-Case (FullPAK) | RθJC |  | 2 |  | ℃/W | FullPAK TO-220F/TO-3PF | 2 |
| Junction-to-Ambient (FullPAK) | RθJA |  | 62.5 |  | ℃/W | FullPAK TO-220F/TO-3PF | 2 |

## CAD (KiCad official)

- Symbol: `BL6N120-A`
- Footprint: `Package_TO_SOT_THT:TO-220F-3_Vertical`
- 3D model: TO-220F (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [BL(Shanghai Belling) datasheet](docs/bl6n120-a-datasheet.pdf) (16 pp, sha256 `7258037bc4ad8b84`, retrieved 2026-11-07, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-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).

[Datasheet PDF](docs/bl6n120-a-datasheet.pdf)