component
X2C037400BG1HA-U
Public Made by Adomby adom
HELE(Harmony Elec) Crystals, SMD2016-4P. 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
markdownX2C037400BG1HA-U
HELE(Harmony Elec) · Crystals · SMD2016-4P
X2C037400BG1HA-U from HELE(Harmony Elec), in a SMD2016-4P. 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 for the 37.400000 MHz fundamental-mode crystal (16.0 pF load capacitance). |
| 2 | GND/Lid | power_in | Ground terminal connected internally to the metal lid (cover). |
| 3 | Crystal | passive | Second crystal terminal for the 37.400000 MHz fundamental-mode crystal (16.0 pF load capacitance). |
| 4 | GND/Lid | power_in | Ground terminal connected internally to the metal lid (cover). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | HELE(Harmony Elec) |
| Package | SMD2016-4P |
| 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 | -10 | 10 | ppm | at 25℃±3℃ | 4 | ||
| Temperature stability | -20 | 20 | ppm | -40~ +85℃ | 4 | ||
| Aging | -3 | 3 | ppm/Year | 4 | |||
| Equivalent resistance (RR) | RR | 80 | Ω | SERIES | 4 | ||
| Storage temperature range | -40 | 85 | ℃ | 4 | |||
| Operable temperature range | -40 | 85 | ℃ | 4 | |||
| Drive level (DL) | DL | 10 | 200 | μW | 4 | ||
| Insulation resistance | 500 | MΩ | at DC 100V | 4 | |||
| Frequency drift, spec code A (env./mechanical tests) | -5 | 5 | ppm | Spec code A test group (see PAGE 9-10 tables) | 10 | ||
| Resistance drift, spec code A | -15 | 15 | % | Spec code A test group (see PAGE 9-10 tables) | 10 | ||
| Resistance drift, spec code A (alternative limit) | -2 | 2 | Ω | Spec code A test group; printed as 'or 2Ω' alternative to ±15% | 10 | ||
| Frequency drift, spec code C (adhesion, body strength) | -15 | 15 | ppm | Spec code C test group (see PAGE 9-10 tables) | 10 | ||
| Resistance drift, spec code C | -25 | 25 | % | Spec code C test group (see PAGE 9-10 tables) | 10 | ||
| Resistance drift, spec code C (alternative limit) | -10 | 10 | Ω | Spec code C test group; printed as 'or 10Ω' alternative to ±25% | 10 | ||
| Frequency (FL) | FL | 37.4 | MHz | 4 | |||
| Loading capacitance (CL) | CL | 16 | pF | 4 | |||
| Shunt capacitance (C0) | C0 | 2 | pF | 4 | |||
| Preheat temperature | 160 | 180 | ℃ | Preheat, 120 sec | 6 | ||
| Primary heat temperature | 220 | ℃ | Primary heat, 60~120 sec | 6 | |||
| Peak reflow temperature | 260 | ℃ | Peak, 10 sec. Max. | 6 | |||
| Manual soldering iron bit temperature | 350 | ℃ | Time 3 sec max.; each terminal soldered once | 6 | |||
| Storage environmental temperature | 85 | ℃ | Maximum | 7 | |||
| Storage relative humidity | 80 | % | Maximum | 7 |
CAD (KiCad official)
- Symbol:
X2C037400BG1HA-U - Footprint:
Crystal:Crystal_SMD_2016-4Pin_2.0x1.6mm - 3D model: SMD2016-4P (KiCad packages3D, STEP)
- 3D model files:
x2c037400bg1ha-u-etched.step/x2c037400bg1ha-u-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);x2c037400bg1ha-u.step/x2c037400bg1ha-u.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: HELE(Harmony Elec) datasheet (11 pp, sha256
27bc1329386d27d2, 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).