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Ceramic Seam Sealed Quartz Crystal Unit SJK 7U12000E18UCG 12 MHz Surface Mount Component

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Ceramic Seam Sealed Quartz Crystal Unit SJK 7U12000E18UCG 12 MHz Surface Mount Component

Normal temperature Frequency Tolerance : ±10ppm

Frequency Stability : ±30ppm

Operating Temperature : -40℃~+85℃

Load Capacitance : 18pF

Frequency : 12MHz

Description : Crystal 12MHz ±10ppm 18pF SMD3225-4P

Mfr. Part # : 7U12000E18UCG

Model Number : 7U12000E18UCG

Package : SMD3225-4P

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QUARTZ CRYSTAL UNIT SERIES 7U

The Series 7U Quartz Crystal Unit is a seam-sealed ceramic, surface-mount device in a 3.2*2.5mm package. It is designed for applications requiring precise frequency control and stability.

Product Attributes

Brand: SJK ()
Origin: Shenzhen, China
Package Type: 3.2*2.5mm Surface Mount, Ceramic Seam Sealed
Certifications: RoHS, REACH, HF
Moisture Sensitivity Level: Level 1
Minimum Packaging: 3000pcs/reel

Technical Specifications

Parameter	Specification	Notes
Output Frequency	12.000000MHz
Vibration Mode	AT/Fundamental Frequency
Frequency Tolerance (@25C)	10 ppm max
Load Capacitance (CL)	18.0 pF
Frequency Stability Over Operating Temperature	10ppm max / -20 C to +70 C 30ppm max/ -40 C to +85 C
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)	100 Max
Aging @25C (1st year Max)	3ppm/year

Reliability Test Specification

No.	Test Item	Test Condition	Standard Requirement
1	Drop	Free fall from 55cm height onto a wooden board, 3 times	Frequency change 5ppm, Resistance change 15% before and after test
2	Vibration	Frequency: 10~55Hz, Amplitude: 1.5mm, Duration: 2 hours per axis (X, Y, Z)	Frequency change 5ppm, Resistance change 15% before and after test
3	Thermal Shock	25 cycles: -403C (30 min), 852C (30 min), 3 min transition	Frequency change 5ppm, Resistance change 15% before and after test
4	Hermeticity	Helium pressure: 50.5Kg/cm, Duration: 120 min	Leak rate 110-9Pa.m/s
5	Resistance to Soldering Heat	Wave peak temp: 260C10C, Duration: 155 sec	Frequency change 5ppm, Resistance change 15% before and after test
6	Solderability Test	Temperature: 260C10C, Immersion time: 31 sec	Solder coverage 90% on pins
7	High Temp & Humidity	Temp: 60C2C, Humidity: 90%~95%, Duration: 240 hours	Frequency change 5ppm, Resistance change 15% before and after test. No rust on product surface.
8	High Temperature Test	Temp: 85C2C, Duration: 240 hours	Frequency change 5ppm, Resistance change 15% before and after test
9	Low Temperature Test	Temp: -40C2C, Duration: 240 hours	Frequency change 5ppm, Resistance change 15% before and after test
10	Life Test	Voltage: 5V, Temp: 25, Duration: 1000 hours	Frequency change 5ppm, Resistance change 15% before and after test

2207271530_SJK-7U12000E18UCG_C524717.pdf

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