# TT0501PBX

**Shenzhen JingYang** · ESD And Surge Protection (TVS/ESD) · DFN1006-2L

TT0501PBX from Shenzhen JingYang, in a DFN1006-2L. 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 | I/O_1 | bidirectional | Bidirectional transient-protection terminal of the single protected I/O line (Pin1 to Pin2), rated for a nominal reverse working voltage VRWM of ±5.5V with a maximum leakage of 1µA at VRWM. |
| 2 | I/O_2 | bidirectional | Bidirectional transient-protection terminal of the single protected I/O line (Pin1 to Pin2), rated for a nominal reverse working voltage VRWM of ±5.5V with a maximum leakage of 1µA at VRWM. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Shenzhen JingYang |
| Package | DFN1006-2L |
| Category | Circuit Protection |
| Pins | 2 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Reverse Leakage Current @ VRWM | IR |  |  | 1 | uA | VRWM = ±5.5V, T = 25C | 2 |
| Reverse Breakdown Voltage @ IT | VBR | 6 |  | 9 | V | IT = 1mA, T=25℃ | 2 |
| Clamping Voltage @ IPP | VC |  |  | 8 | V | IPP= 1A, tp= 8/20us, T=25℃ | 2 |
| Clamping Voltage @ IPP | VC |  |  | 12.5 | V | IPP = 5A, tp= 8/20us, T=25℃ | 2 |
| Parasitic Capacitance | CESD |  | 4 | 6 | pF | VR = 0V, f = 1MHz | 2 |
| Nominal Reverse Working Voltage | VRWM | -5.5 |  | 5.5 | V |  | 2 |
| ESD per IEC61000-4-2 (Air) | VESD | -20 |  | 20 | kV | ESD per IEC61000-4-2 (Air) | 2 |
| ESD per IEC61000-4-2 (Contact) | VESD | -20 |  | 20 | kV | ESD per IEC61000-4-2 (Contact) | 2 |
| Operating Temperature | TOPT | -55 |  | 125 | C |  | 2 |
| Storage Temperature | TSTG | -55 |  | 150 | C |  | 2 |
| Peak Pulse Current (8/20μs) | IPP |  |  | 5 | A | 8/20μs | 2 |
| Peak Pulse Power (8/20μs) | PPK |  |  | 60 | W | 8/20μs | 2 |
| Operating Supply Voltage | VDC |  |  | 5.5 | V |  | 2 |
| Lead Soldering Temperature | TSOL |  |  | 260 | C | 10 sec. | 2 |

## CAD (KiCad official)

- Symbol: `TT0501PBX`
- Footprint: `Diode_SMD:D_SOD-882`
- 3D model: DFN1006-2L (KiCad packages3D, STEP)
- 3D model files: `tt0501pbx-etched.step` / `tt0501pbx-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tt0501pbx.step` / `tt0501pbx.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Shenzhen JingYang datasheet](docs/tt0501pbx-datasheet.pdf) (6 pp, sha256 `45db61a5b7bf3ee5`, retrieved 2026-10-21, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-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/tt0501pbx-datasheet.pdf)