<
>
Specifications
Normal temperature Frequency Tolerance:
±10ppm
Frequency Stability:
±30ppm
Operating Temperature:
-40℃~+85℃
Load Capacitance:
8pF
Frequency:
27.12MHz
Mfr. Part #:
7E27120E08UCG
Package:
SMD2520-4P
Key Attributes
Model Number:
7E27120E08UCG
Product Description
QUARTZ CRYSTAL UNIT SERIES 7E, SEAM SEALED CERAMIC 2.5*2.0MM SURFACE MOUNT PACKAGE
This document details the specifications for the QUARTZ CRYSTAL UNIT SERIES 7E, a seam-sealed ceramic surface mount crystal unit with a 2.5*2.0mm package. It is designed for applications requiring precise frequency control and offers a compact form factor suitable for modern electronic designs.
Product Attributes
- Brand: SJK ()
- Origin: Shenzhen, China
- Material: Ceramic, Seam Sealed
- Certifications: RoHS, REACH, HF
- Environmental Attributes: RoHS, REACH, HF
- Moisture Sensitivity Level: Level 1
- Minimum Packaging: 3000pcs/reel
Technical Specifications
| Parameter | Specification | Conditions |
|---|---|---|
| Product Name | (SMD Crystal) | |
| Model | SMD2520 27.120MHZ | |
| Part Number (P/N SJK) | 7E27120E08UCG | |
| Output Frequency | 27.120000MHz | Center Frequency |
| Vibration Mode | AT/Fundamental Frequency | |
| Frequency Tolerance | 10 ppm max | at 25C |
| Load Capacitance (CL) | 8.0 PF | |
| Frequency Stability Over Operating Temperature | 30ppm max | |
| Operating Temperature Range | -40 C to +85 C | |
| Storage Temperature Range | -40 C to +125 C | |
| Shunt Capacitance (C0) | 3.0 PF Max | |
| Driver Level (Typical) | 10W | |
| Equivalent Series Resistance (ESR) | 60 Max | |
| Aging @ 25C (1st year Max) | 3ppm/year | |
| Testing Conditions | Ambient temperature: 255, Relative humidity: 40%~70% | Standard atmospheric conditions |
| Measurement Equipment | S&A250B or equivalent |
Reliability Test Specification
| No. | Test Item | Test Conditions | Standard Requirements |
|---|---|---|---|
| 1 | Drop | Free fall from 55cm height onto a wooden board, 3 times | Frequency change within 5ppm, resistance change within 15% before and after test |
| 2 | Vibration | Frequency: 10~55Hz, Amplitude: 1.5mm, Duration: 2 hours per each of the three directions (X, Y, Z) | Frequency change within 5ppm, resistance change within 15% before and after test |
| 3 | Thermal Shock | 25 cycles of high and low temperature. Low temp: -403 for 30 min, High temp: 852 for 30 min. Temp change every 3 min. | Frequency change within 5ppm, resistance change within 15% before and after test |
| 4 | Hermeticity | Helium pressure: 50.5Kg/cm, Helium pressurization time: 120 min | Leak rate: 110-9Pa.m3/s |
| 5 | Resistance to Soldering Heat | Wave crest temperature: 260C10C, Duration: 155 sec | Frequency change within 5ppm, resistance change within 15% before and after test |
| 6 | Solderability Test | Temperature: 260C10C, Immersion time: 31 sec | Solder-covered area of leads 90% |
| 7 | High Temperature and Humidity | Temperature: 60C2C, Humidity: 90%~95%, Duration: 240 hours | 1. Frequency change within 5ppm, resistance change within 15% before and after test. 2. Product surface should not rust. |
| 8 | High Temperature Test | Temperature: 85C2C, Duration: 240 hours | Frequency change within 5ppm, resistance change within 15% before and after test |
| 9 | Low Temperature Test | Temperature: -40C2C, Duration: 240 hours | Frequency change within 5ppm, resistance change within 15% before and after test |
| 10 | Life Test | Voltage: 5V, Temperature: 25, Duration: 1000 hours | Frequency change within 5ppm, resistance change within 15% before and after test |
2304131800_SJK-7E27120E08UCG_C524672.pdf
Request A Quote
Please Use Our Online Inquiry Contact Form Below If You Have Any Questions, Our Team Will Get Back To You As Soon As Possible
