component
7C026000MW1
Public Made by Adomby adom
HD 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
markdown7C026000MW1
HD · Crystals · SMD2520-4P
7C026000MW1 from HD, 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 | CRYSTAL | passive | Crystal terminal connected to the quartz resonator element, 26.000MHz fundamental mode with 12pF load capacitance. |
| 2 | GND | power_in | Ground pad, connected to GND per the internal view connection. |
| 3 | CRYSTAL | passive | Second crystal terminal connected to the quartz resonator element, 26.000MHz fundamental mode with 12pF load capacitance. |
| 4 | GND | power_in | Ground pad, connected to GND per the internal view connection. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HD |
| 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 | Δf/f | -10 | 10 | ppm | 1 | ||
| Frequency temperature stability | -20 | 20 | ppm | 1 | |||
| Aging | Δf_A | -3 | 3 | ppm/Year | 1 | ||
| Nominal frequency | f | 26 | MHz | 1 | |||
| Load capacitance | CL | 12 | pF | 1 | |||
| Resonance resistance | 50 | ohms | Fundamental mode | 1 | |||
| Shunt capacitance | C0 | 2 | pF | 1 | |||
| Drive level | DL | 100 | μW | 1 | |||
| Insulation resistance | IR | 500 | M ohms | 1 | |||
| Operating temperature range | TOPR | -20 | 70 | °C | 1 | ||
| Storage temperature range | TSTG | -55 | 125 | °C | 1 | ||
| Frequency change after drop | Δf | -5 | 5 | ppm | Free drop from 75cm height, 3 times | 2 | |
| Frequency change after mechanical shock | Δf | -5 | 5 | ppm | Half sine wave 1000g, three axes, 3 times each | 2 | |
| Frequency change after shake | Δf | -5 | 5 | ppm | Shake 10~55Hz, swing 1.5mm, 30 minutes | 2 | |
| Frequency change after humidity | Δf | -5 | 5 | ppm | +40±2℃ & 90%~95% R.H. 250 hours | 2 | |
| Frequency change after low temperature | Δf | -5 | 5 | ppm | -40±2℃, 250 hours | 2 | |
| Frequency change after high temperature | Δf | -5 | 5 | ppm | +85±2℃, 250 hours | 2 | |
| Frequency change after temperature cycling | Δf | -5 | 5 | ppm | -30±3℃/30 min to +85±2℃/30 min, 5 cycles | 2 | |
| Frequency change after reflow | Δf | -5 | 5 | ppm | Reflow examination | 2 |
CAD (KiCad official)
- Symbol:
7C026000MW1 - Footprint:
Crystal:Crystal_SMD_2520-4Pin_2.5x2.0mm - 3D model: SMD2520-4P (KiCad packages3D, STEP)
- 3D model files:
7c026000mw1-etched.step/7c026000mw1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);7c026000mw1.step/7c026000mw1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HD datasheet (4 pp, sha256
d1ccd0cecb85ac4f, retrieved 2026-10-16, 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).