MHO+24FBD-R
AI

The **MHO+24FBD-R** is a specific part number typically associated with **Active Crystal Oscillators** (frequently produced by manufacturers like Mercury Electronic). These components are essential in electronics for providing a stable clock signal to microprocessors and other digital circuits.
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### 1. Technical Specifications
The part number follows a specific nomenclature that defines its electrical characteristics:
| Parameter | Specification |
| :--- | :--- |
| **Component Type** | Crystal Oscillator (SPXO) |
| **Output Type** | CMOS / TTL Compatible |
| **Voltage Supply** | 5.0V (Standard for the MHO series) |
| **Frequency Stability** | Usually ±25ppm to ±100ppm (depending on the suffix) |
| **Package Style** | DIP-14 (Full size) or DIP-8 (Half size) Metal Can |
| **Operating Temperature** | -10°C to +70°C (Standard Commercial) |
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### 2. Pin Configuration (DIP-14 Style)
Most MHO series oscillators in the Full-Size Metal Can package follow this standard 4-pin layout (though the physical case has 14 pins, only 4 are electrically active):
| Pin Number | Function | Description |
| :--- | :--- | :--- |
| **1** | NC / Tri-state | No connection or Output Enable/Disable |
| **7** | GND | Ground connection (Case is usually grounded) |
| **8** | Output | The generated clock signal (Square Wave) |
| **14** | VDD | Power supply (typically +5V DC) |
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### 3. Part Number Breakdown
The alphanumeric code reveals the specific configuration:
* **MHO:** Series designation (Metal Hollow Oscillator / 5V CMOS/TTL).
* **+:** Often indicates RoHS compliance (Lead-free).
* **24:** Represents the Frequency (e.g., 24.000 MHz).
* **FBD:** Specific internal factory codes for stability, symmetry, and temperature range.
* **-R:** Indicates "RoHS Compliant" or "Tape & Reel" packaging depending on the manufacturer's log.
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### 4. Common Applications
These oscillators are used where a precise, "plug-and-play" timing source is required without needing external capacitors (unlike passive crystals):
* **Embedded Systems:** Providing the heartbeat for 8-bit or 16-bit microcontrollers.
* **Legacy Computing:** Motherboards and peripheral cards.
* **Industrial Control:** Timing for PLC (Programmable Logic Controller) communication modules.
* **Networking:** Syncing data transmission in older Ethernet or Serial hardware.
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- ⤷
What is the difference between this active oscillator and a passive 2-pin crystal?
- ⤷ How do I test if an MHO+24FBD-R is functioning correctly using an oscilloscope?
- ⤷ Are there 3.3V alternatives for this 5V oscillator?