ABM3-12.000MHZ-B2-T ABRACON Crystal or Oscillator (Other) In Stock
ABRACON ABM3-12.000MHZ-B2-T is a 12 MHz surface mount crystal in a miniature 2-pin hermetic ceramic package with 18pF load capacitance and ±20ppm frequency tolerance. It delivers ±5ppm/year aging stability and a 10µW drive level for low-power microcontroller and communication IC clock references. Available in stock worldwide with fast shipping.
- Manufacturer
- ABRACON
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- ABM3-12.000MHZ-B2-T Datasheet PDF
- Category
- Crystal or Oscillator
- Temp Range
- -20.0°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 12.000 MHz fundamental-mode parallel resonant crystal with ±20ppm frequency tolerance for precision clock references
- 18pF load capacitance and 10µW drive level compatible with low-power microcontroller oscillator circuits
- Hermetic ceramic SMD package with tape-and-reel delivery enables automated high-volume PCB assembly
Applications
The ABM3-12.000MHZ-B2-T is widely used as the primary clock source for 8-bit and 32-bit microcontrollers, USB full-speed interfaces requiring a 12 MHz reference, and UART baud-rate generator circuits in embedded systems. Its stable ±20ppm tolerance and hermetically sealed ceramic package also make it suitable for industrial data acquisition modules, wireless communication sub-GHz nodes, and consumer electronics where long-term frequency accuracy within 5ppm/year aging is important.
Specifications
| Pbfree Code | No |
| YTEOL | 7.05 |
| Additional Feature | TAPE AND REEL |
| Aging | 5PPM/YEAR |
| Crystal/Resonator Type | PARALLEL - FUNDAMENTAL |
| Drive Level | 10 µW |
| Frequency Stability | 0.005% |
| Frequency Tolerance | 20ppm |
| JESD-609 Code | e4 |
| Load Capacitance | 18pF |
| Mounting Feature | SURFACE MOUNT |
| Operating Frequency-Nom | 12MHz |
| Physical Dimension | L5.0XB3.2XH1.3 (mm)/L0.197XB0.126XH0.051 (inch) |
| Series Resistance | 60Ω |
| Surface Mount | YES |
| Terminal Finish | Nickel/Gold (Ni/Au) |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8541.60.00.50 |
| Country of Origin | South Korea |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for ABM3-12.000MHZ-B2-T:
Frequently Asked Questions
What load capacitance and drive level does ABM3-12.000MHZ-B2-T require for correct oscillator circuit design?
ABM3-12.000MHZ-B2-T specifies an 18pF load capacitance and a 10µW maximum drive level. Designers must configure the external load capacitors on each crystal pin to present the 18pF load to the oscillator circuit, and must ensure the microcontroller's OSC driver does not exceed the 10µW drive level, which could degrade frequency accuracy or shorten the crystal's operational lifetime.
How well does ABM3-12.000MHZ-B2-T maintain frequency accuracy over time in industrial equipment?
The ABM3-12.000MHZ-B2-T has an aging specification of ±5ppm per year, meaning that over a 5-year industrial product lifetime the cumulative frequency drift remains within ±25ppm from the initial calibrated value. Combined with the initial ±20ppm tolerance, this makes it appropriate for UART communication at standard baud rates, USB full-speed 12 MHz clocking, and similar precision timing applications operating from -40°C to +85°C.
Can ABM3-12.000MHZ-B2-T serve as the USB 12 Mbps clock reference for STM32 or similar microcontrollers?
Yes, the ABM3-12.000MHZ-B2-T at 12.000 MHz is a standard choice for USB full-speed 12 Mbit/s implementations on STM32 and other microcontrollers that use a 12 MHz external crystal to generate their internal USB clock. The 18pF load capacitance is compatible with most MCU OSC input specifications, and the ±20ppm tolerance is within the ±500ppm USB full-speed clock accuracy budget defined by the USB 2.0 standard.
What packaging format is ABM3-12.000MHZ-B2-T supplied in and what does the miniature SMD footprint mean for PCB layout?
ABM3-12.000MHZ-B2-T is supplied in tape and reel packaging for automated SMT placement, with a miniature 2-pin hermetic ceramic SMD body. The small footprint allows placement close to the microcontroller OSC pins, which minimizes trace length and parasitic capacitance on the crystal loop—critical for maintaining the 18pF effective load and avoiding noise coupling into the sensitive crystal oscillator nodes.
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