component
TZ1028A
Public Made by Adomby adom
TST Crystals, SMD3225-4P. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownTZ1028A
TST · Crystals · SMD3225-4P
TZ1028A 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) for the 28.63636 MHz fundamental-mode crystal, with 12 pF load capacitance specified. |
| 2 | GND | power_in | Ground connection pin of the crystal package. |
| 3 | IN/OUT | passive | Second crystal terminal (IN/OUT) for the 28.63636 MHz crystal, with 12 pF load capacitance specified. |
| 4 | GND | power_in | Ground connection pin of the crystal package. |
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 stability over operating temperature (referred to 25°C) | -10 | 10 | ppm | Referred to the value at 25°C, over operating temperature range | 3 | ||
| Frequency make tolerance (FL) | FL | -10 | 10 | ppm | @ 25°C ± 3°C | 3 | |
| Equivalent series resistance (ESR) | ESR | 50 | Ω | 3 | |||
| Shunt capacitance | Co | 3 | pF | 3 | |||
| Insulation resistance | 500 | MΩ | DC 100V | 3 | |||
| Aging | -1 | 1 | ppm/year | 3 | |||
| Operating temperature range | -20 | 70 | °C | 3 | |||
| Storage temperature range | -40 | 85 | °C | 3 | |||
| Nominal frequency | 28.6364 | MHz | 3 | ||||
| Load capacitance | CL | 12 | pF | 3 | |||
| Nominal drive level | 10 | uW | 3 |
CAD (KiCad official)
- Symbol:
TZ1028A - Footprint:
Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm - 3D model: SMD3225-4P (KiCad packages3D, STEP)
- 3D model files:
tz1028a-etched.step/tz1028a-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);tz1028a.step/tz1028a.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TST datasheet (7 pp, sha256
ef4110e1df6e3a24, retrieved 2026-10-22, tier: lcsc) - Extractor:
ds2sf(Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - CAD: KiCad official libraries (CC-BY-SA 4.0).