ABM8-16.000MHZ-B2-T (16 MHz)

@@ -0,0 +1,47 @@+# ABM8-16.000MHZ-B2-T++**Abracon** · Quartz crystal resonator · ABM8 SMD 3.2x2.5mm (4-pad)++16.000 MHz fundamental-mode quartz crystal resonator in a 3.2 x 2.5 mm 4-pad seam-sealed ceramic SMD package, from Abracon's ABM8 series. Load capacitance is 18 pF, frequency tolerance ±20 ppm, and ESR is 70 ohm max. Two active crystal terminals plus two case-ground pads that tie the metal lid to ground. The clock source for MCUs and USB devices; pair with two ~18 pF load capacitors to ground.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | XTAL1 | passive | Crystal terminal 1. Connect to the oscillator input of the driving circuit through a load capacitor sized for CL = 18 pF. Fundamental-mode 16.000 MHz resonator terminal. |+| 2 | GND | passive | Case ground pad. Tied to the metal lid of the seam-sealed package for shielding; connect to the board ground plane. |+| 3 | XTAL2 | passive | Crystal terminal 2. Connect to the oscillator output of the driving circuit through a load capacitor sized for CL = 18 pF. Fundamental-mode 16.000 MHz resonator terminal. |+| 4 | GND | passive | Case ground pad. Tied to the metal lid of the seam-sealed package for shielding; connect to the board ground plane. |++## Key specifications++| Parameter | Value |+|---|---|+| Type | Quartz crystal resonator (SMD) |+| Frequency | 16.000 MHz |+| Load capacitance (CL) | 18 pF |+| Frequency tolerance | ±20 ppm |+| Oscillation mode | Fundamental |+| ESR (max) | 70 Ω @ 16 MHz |+| Package | 3.2 x 2.5 mm 4-pad ceramic SMD |+| Body (L×W×H) | 3.2 × 2.5 × 0.8 mm |++## Ordering variants++- `ABM8-16.000MHZ-B2-T (3.2x2.5 mm, tape & reel)`++## CAD (KiCad official)++- Symbol: `Device:Crystal_GND24`+- Footprint: `Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm`+- 3D model: Crystal_SMD_3225-4Pin (KiCad packages3D)++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Abracon datasheet](https://abracon.com/Resonators/abm8.pdf) (2 pp, sha256 `564ac331d8bf38b4`, retrieved 2026-08-17, tier: manufacturer)+- **Extractor:** `ds2sf` (Claude) — every pin and dimension is cited to a datasheet page; refuses to fabricate.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/abm8-16mhz-datasheet.pdf)

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