# TX201632M4BBCE2T

**Yajingxin** · Crystals · SMD2016-4P

TX201632M4BBCE2T from Yajingxin, in a SMD2016-4P. 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 | XTAL1 | passive | Crystal terminal (connected to #3 as X'tal per the pin table); 32.000000 MHz fundamental, CL 8 pF, drive level 100 uW max. |
| 2 | GND | power_in | Ground connection (case/lid ground, shared with pin 4 per the pin table). |
| 3 | XTAL2 | passive | Crystal terminal (connected to #1 as X'tal per the pin table); 32.000000 MHz fundamental, CL 8 pF, drive level 100 uW max. |
| 4 | GND | power_in | Ground connection (case/lid ground, shared with pin 2 per the pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Yajingxin |
| Package | SMD2016-4P |
| Category | Crystals, Oscillators, Resonators |
| Pins | 4 |

## Electrical characteristics

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

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Frequency tolerance at 25℃ |  | -10 |  | 10 | ppm | at 25℃ | 2 |
| Stability over operation temperature |  | -30 |  | 30 | ppm |  | 2 |
| Aging |  | -5 |  | 5 | ppm/year |  | 2 |
| Shunt Capacitance (Co) | Co | 0 |  | 5 | pF |  | 2 |
| Insulation Resistance |  | 500 |  |  | MΩ | DC 100V | 2 |
| Operating Temperature Range |  | -40 |  | 85 | ℃ |  | 2 |
| Storage Temperature Range |  | -40 |  | 85 | ℃ |  | 2 |
| Nominal frequency |  |  | 32 |  | MHz |  | 2 |
| Load Capacitance (CL) | CL |  | 8 |  | pF |  | 2 |
| Drive Level |  |  | 100 |  | uw |  | 2 |
| Equivalent Resistance |  |  | 40 |  | Ω |  | 2 |
| Preheat temperature Ts min | Ts min | 125 |  |  | ℃ | Pb-free reflow profile | 3 |
| Preheat temperature Ts max | Ts max |  |  | 200 | ℃ | Pb-free reflow profile | 3 |
| Time ts min to ts max | ts | 60 |  | 180 | seconds | Pb-free reflow profile | 3 |
| Average ramp-up rate (Ts max to Tp) |  |  |  | 3 | ℃/second | Pb-free reflow profile | 3 |
| Temperature T1 (time above liquidus) | T1 |  | 217 |  | ℃ | Pb-free reflow profile | 3 |
| Time tp above T1 | tp | 60 |  | 150 | seconds | Pb-free reflow profile | 3 |
| Peak/Classification temperature | Tp |  | 260 | 260 | ℃ | Pb-free reflow profile | 3 |
| Time within 5℃ of actual peak temperature | tp | 20 |  | 40 | seconds | Pb-free reflow profile | 3 |
| Total time |  |  |  | 200 | seconds | Pb-free reflow profile | 3 |
| Ramp-down rate |  |  |  | 6 | ℃/second | Pb-free reflow profile | 3 |
| Time 25℃ to peak temperature |  |  |  | 8 | minutes | Pb-free reflow profile | 3 |
| Suggested reflow times |  |  |  | 3 | times | Pb-free reflow profile | 3 |

## CAD (KiCad official)

- Symbol: `TX201632M4BBCE2T`
- Footprint: `Crystal:Crystal_SMD_2016-4Pin_2.0x1.6mm`
- 3D model: SMD2016-4P (KiCad packages3D, STEP)
- 3D model files: `tx201632m4bbce2t-etched.step` / `tx201632m4bbce2t-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tx201632m4bbce2t.step` / `tx201632m4bbce2t.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Yajingxin datasheet](docs/tx201632m4bbce2t-datasheet.pdf) (5 pp, sha256 `2eb6f4c3028c680b`, retrieved 2026-10-21, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/tx201632m4bbce2t-datasheet.pdf)