# TAXM27.1412M4RLBDDT2T

**TAE(Zhejiang Abel Elec)** · Crystals · SMD3225-4P

TAXM27.1412M4RLBDDT2T from TAE(Zhejiang Abel Elec), in a SMD3225-4P. 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 1 of the 27.141200 MHz fundamental-mode resonator (CL 20 pF, drive level 100 uW max); the connection diagram does not label it as GND. |
| 2 | GND | power_in | Ground pad connected to the metal lid/case as labelled GND in the connection top view. |
| 3 | XTAL2 | passive | Crystal terminal 2 of the 27.141200 MHz fundamental-mode resonator (CL 20 pF, drive level 100 uW max); the connection diagram does not label it as GND. |
| 4 | GND | power_in | Ground pad connected to the metal lid/case as labelled GND in the connection top view. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TAE(Zhejiang Abel Elec) |
| Package | SMD3225-4P |
| Category | Crystal Oscillator/Oscillator/Resonator |
| 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℃ (调整频差) |  | -10 |  | 10 | ppm | at 25℃ | 1 |
| Stability over operation temperature (温度频差) |  | -20 |  | 20 | ppm |  | 1 |
| Aging (老化率) |  | -5 |  | 5 | ppm/year |  | 1 |
| Shunt Capacitance (Co) (静态电容) | Co | 0 |  | 5 | pF |  | 1 |
| Equivalent Resistance (谐振电阻) |  |  |  | 30 | Ω |  | 1 |
| Insulation Resistance (绝缘电阻) |  | 500 |  |  | MΩ | at DC 100V | 1 |
| Drive Level (激励功率) |  |  |  | 100 | uw |  | 1 |
| Operating Temperature Range (工作温度范围) |  | -30 |  | 85 | ℃ |  | 1 |
| Storage Temperature Range (储存温度范围) |  | -40 |  | 85 | ℃ |  | 1 |
| Nominal Frequency (标称频率) |  |  | 27.1412 |  | MHZ |  | 1 |
| Load Capacitance (CL) (负载电容) | CL |  | 20 |  | pF |  | 1 |

## CAD (KiCad official)

- Symbol: `TAXM27.1412M4RLBDDT2T`
- Footprint: `Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm`
- 3D model: SMD3225-4P (KiCad packages3D, STEP)
- 3D model files: `taxm27-1412m4rlbddt2t-etched.step` / `taxm27-1412m4rlbddt2t-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `taxm27-1412m4rlbddt2t.step` / `taxm27-1412m4rlbddt2t.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TAE(Zhejiang Abel Elec) datasheet](docs/taxm27-1412m4rlbddt2t-datasheet.pdf) (1 pp, sha256 `a505028bb4f54b54`, 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/taxm27-1412m4rlbddt2t-datasheet.pdf)