# 2SB834L-Y-TN3-R

**UTC(Unisonic Tech)** · Bipolar Transistors - BJT · TO-252

2SB834L-Y-TN3-R from UTC(Unisonic Tech), in a TO-252. 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 | B | input | Base of the PNP transistor; VEBO max -7 V and base current IB max -0.5 A. |
| 2 | C | passive | Collector; VCBO and VCEO max -60 V, collector current IC max -3 A. |
| 3 | E | passive | Emitter of the PNP transistor; VEBO max -7 V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | UTC(Unisonic Tech) |
| Package | TO-252 |
| 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 |
|---|---|---|---|---|---|---|---|
| Collector-Base Voltage | VCBO |  |  | -60 | V |  | 3 |
| Collector-Emitter Voltage | VCEO |  |  | -60 | V |  | 3 |
| Emitter-Base Voltage | VEBO |  |  | -7 | V |  | 3 |
| Collector Current | IC |  |  | -3 | A |  | 3 |
| Base Current | IB |  |  | -0.5 | A |  | 3 |
| Power Dissipation TO-252 | PD |  |  | 26 | W | TC=25°C, TO-252 | 3 |
| Junction Temperature | TJ |  |  | 125 | °C |  | 3 |
| Storage Temperature | TSTG | -40 |  | 150 | °C |  | 3 |
| Collector-Emitter Breakdown Voltage | BVCEO | -60 |  |  | V | IC=-50mA | 3 |
| Collector Cut-Off Current | ICBO |  |  | -100 | μA | VCB=-60V | 3 |
| Emitter Cut-Off Current | IEBO |  |  | -100 | μA | VEB=-7V | 3 |
| Collector-Emitter Saturation Voltage | VCE(SAT) |  |  | -1 | V | IC=-3A, IB=0.3A | 3 |
| Base-Emitter On Voltage | VBE(ON) |  | -0.7 | -1 | V | VCE=-5V, IC=-0.5A | 3 |
| DC Current Gain 1 | hFE1 | 100 |  | 200 |  | IC=-0.5A, VCE=-5V; rank Y | 3 |
| DC Current Gain 2 | hFE2 | 20 |  |  |  | IC=-3A, VCE=-5V | 3 |
| Current Gain Bandwidth Product | fT |  | 9 |  | MHZ | VCE=-5V, IC=-0.5A | 3 |

## CAD (KiCad official)

- Symbol: `2SB834L-Y-TN3-R`
- Footprint: `Package_TO_SOT_SMD:TO-252-2`
- 3D model: TO-252 (KiCad packages3D, STEP)
- 3D model files: `2sb834l-y-tn3-r-etched.step` / `2sb834l-y-tn3-r-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `2sb834l-y-tn3-r.step` / `2sb834l-y-tn3-r.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [UTC(Unisonic Tech) datasheet](docs/2sb834l-y-tn3-r-datasheet.pdf) (5 pp, sha256 `c6111e1b185bf773`, retrieved 2026-10-23, tier: manufacturer)
- **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/2sb834l-y-tn3-r-datasheet.pdf)