# Crystal Units - UM1 & UM5 Series

## General Features

* **RoHS & REACH Compliant:** Products adhere to environmental standards.
* **Types:**
* Metal Can Through-Hole (UM1: 8mm height, UM5: 6mm height)
* SMD (Surface Mount Device) - Gull Wing Type and 3-lead options available
* **Frequency Range:**
* UM1: 3.5MHz – 100.0MHz
* UM5: 10.0MHz – 100.0MHz
* **Frequency Tolerance:** ±5.0ppm – ±50.0ppm (Standard: ±30.0ppm)
* **Frequency Stability:** ±5.0ppm – ±50.0ppm
* **Operating Temperature Range:**
* -10°C to +60°C
* -20°C to +70°C
* -30°C to +80°C
* -40°C to +85°C
* **Packaging:** Available in tape & reel, or loose.

## Electrical Specifications

* **Load Capacitance (CL):** Dependent on part number suffix (consult table)
* **Frequency Mode:** Fundamental (F) or 3rd Overtone (A)
* **Frequency:** Specified in full part number.
First 4 digits for frequencies < 100MHz, first 5 digits for > 100MHz

## Mechanical Dimensions (mm)

* **UM1:**
* Package Height (max): 8.0mm
* Top View: 7.7 ± 0.2
* Side View: 3.2 ± 0.2
* Front View: 6.9 ± 0.1, 3.75 ± 0.2, Ø0.35 ± 0.05, 2.2 ± 0.1
* **UM5:**
* Package Height (max): 6.0mm
* Dimensions Similar to UM1 - See original document for exact values.

## Part Number Generation

* **MO** – Series Code
* **First 4 or 5 digits** – Frequency in MHz
* **G, E, F, etc.** – Frequency Tolerance (±ppm)
* **G, F, K, etc.** – Frequency Stability (±ppm)
* **E, G, K, M** – Operating Temperature Range (°C)
* **GO, JO, KO** - Load Capacitance
* **L** - SR
* **F** - Fundamental
* **A** - 3rd Overtone
* **PF** - Suffix (required)

*Example: MO0800GKLGOFL–PF [8.000MHz]*