# TZ1469E

**TST** · Crystals · SMD3225-4P

TZ1469E from TST, 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 | IN/OUT | passive | Crystal terminal (IN/OUT) per the Base 1 pin connection table; 40.000000 MHz fundamental, CL 12 pF, drive level 10 uW typ and 100 uW max. |
| 2 | GND | power_in | Ground pad per the Base 1 pin connection table, the XTAL blank mounting pad. |
| 3 | IN/OUT | passive | Crystal terminal (IN/OUT) per the Base 1 pin connection table; interchangeable with pin 1 for the crystal, ESR 30 ohm max. |
| 4 | GND | power_in | Ground pad per the Base 1 pin connection table, the XTAL blank mounting pad. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TST |
| Package | SMD3225-4P |
| 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 Make Tolerance (FL) | FL | -10 |  | 10 | ppm | @ 25C +/- 3C | 3 |
| Frequency Stability over Operating Temperature |  | -10 |  | 10 | ppm | over operating temperature range, referred to the value at 25C | 3 |
| Equivalent Series Resistance (ESR) | ESR |  |  | 30 | Ω |  | 3 |
| Nominal Drive Level |  |  | 10 | 100 | uW |  | 3 |
| Shunt Capacitance | Co |  |  | 3 | pF |  | 3 |
| Insulation Resistance |  | 500 |  |  | MΩ | DC 100V | 3 |
| Operating Temperature Range |  | -20 |  | 85 | C |  | 3 |
| Storage Temperature Range |  | -40 |  | 105 | C |  | 3 |
| Nominal Frequency |  |  | 40 |  | MHz |  | 3 |
| Load Capacitance | CL |  | 12 |  | pF |  | 3 |

## CAD (KiCad official)

- Symbol: `TZ1469E`
- Footprint: `Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm`
- 3D model: SMD3225-4P (KiCad packages3D, STEP)
- 3D model files: `tz1469e-etched.step` / `tz1469e-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tz1469e.step` / `tz1469e.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TST datasheet](docs/tz1469e-datasheet.pdf) (7 pp, sha256 `e0b339cb78aff3f9`, retrieved 2026-10-21, 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/tz1469e-datasheet.pdf)