component
8Z40000030
Public Made by Adomby adom
TXC Corp Crystals, SMD2520-4P. Pinout cross-checked by two models 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
markdown8Z40000030
TXC Corp · Crystals · SMD2520-4P
8Z40000030 from TXC Corp, in a SMD2520-4P. 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 (pin 1 marked by dot on lid) for the 40.000000 MHz fundamental AT-cut crystal, with 8 pF load capacitance specified. |
| 2 | GND | power_in | Ground connection, labelled GND in the connection diagram. |
| 3 | XTAL2 | passive | Second crystal terminal for the 40.000000 MHz fundamental AT-cut crystal, diagonal to pin 1. |
| 4 | GND | power_in | Ground connection, labelled GND in the connection diagram. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | TXC Corp |
| Package | SMD2520-4P |
| 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 | -7 | 7 | ppm | at 25 ℃ ± 3 ℃ | 5 | ||
| Frequency Stability | -13 | 13 | ppm | over operating temperature range (reference 25℃) | 5 | ||
| Aging | -1 | 1 | ppm | 1st year | 5 | ||
| Operating Temperature | -40 | 90 | ℃ | 5 | |||
| Storage Temperature Range | -40 | 125 | ℃ | storage | 5 | ||
| Drive Level | DL | 100 | uW | 5 | |||
| Equivalent Series Resistance | Rr | 40 | Ω | 5 | |||
| Insulation Resistance | 500 | MΩ | at DC 100V | 5 | |||
| Shunt Capacitance | C0 | 3 | pF | 5 | |||
| Load Capacitance | CL | 8 | pF | 5 | |||
| Nominal Frequency | FL | 40 | MHz | fundamental mode, AT cut | 5 | ||
| Suggested reflow total time | 200 | sec | suggested reflow profile, total time | 6 |
CAD (KiCad official)
- Symbol:
8Z40000030 - Footprint:
Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm - 3D model: SMD2520-4P (KiCad packages3D, STEP)
- 3D model files:
8z40000030-etched.step/8z40000030-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);8z40000030.step/8z40000030.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: TXC Corp datasheet (11 pp, sha256
7f8dcb4e03ce1406, retrieved 2026-10-15, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).