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Quartz crystal resonator Lucki L146HS32768ML providing frequency control for electronic applications

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Quartz crystal resonator Lucki L146HS32768ML providing frequency control for electronic applications

Normal temperature Frequency Tolerance : ±20ppm

Frequency Stability : ±20ppm

Operating Temperature : -40℃~+85℃

Load Capacitance : 12.5pF

Equivalent Series Resistance(ESR) : 60kΩ

Frequency : 32.768kHz

Description : Crystal 32.768kHz ±20ppm 12.5pF MC-146

Mfr. Part # : L146HS32768ML

Model Number : L146HS32768ML

Package : MC-146

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Quartz Crystal Resonator

Professional manufacturer of quartz crystal. This product is designed for various electronic applications requiring precise frequency control. Key advantages include high quality, reliability, and adherence to international standards. Suitable for a wide range of electronic circuits and devices.

Product Attributes

Brand: LUCKI CM ELECTRONICS Co.,Ltd
Origin: ZHEJIANG A-CRYSTAL ELECTRONIC TECHNOLOGY CO., LTD.
Certifications: RoHS (Pb-Free)

Technical Specifications

Parameter	Symbol	Value	Condition
Hold Type		PMX-145
Frequency	F_O	32.768KHz
Frequency Tolerance	f/f_o	20PPM	REF TO 25
Temperature Coefficient	K	-0.0340.006 ppm/()²
Turnover Temperature	T_TO	255
Operating Temperature Range	T_OP	-40 to 85
Storage Temperature Range	T_ST	-55 to 125
Quality Factor	Q	60,000 TYP
Series Resistance	R₁	65 K	REF TO 25
Shunt Capacitance	C_O	1.8PF TYP	0.9~2.0PF
Motional Capacitance	C₁	1.9 TYP
Load Capacitance	C_L	12.5 PF
Insulator Resistance	IR	500 M	DC100V15V
Drive Level	DL	1W
Capacitance Ratio	R	450 TYP
Aging Rate	/f	5PPM	at 253

Reliability (Mechanical and Environmental Endurance)

No.	Test	Test Method and Condition	Requirements
1	Vibration	Frequency: 10 to 55Hz; Amplitude: 1.5mm; Cycle Time: 1~2min(10-55-10Hz); Direction: X.Y.Z; Duration: 2H/EACH DIRECTION; G-Force: 5G	Frequency Change: 10PPM MAX.; Resistance Change: 15%R_RMAX
2	Shock	3 Times free drop from 75cm height to hard wooden board of thickness more than 30mm.	Frequency Change: 10PPM MAX.; Resistance Change: 15%R_RMAX.
3	Leakage	Put crystal units into a hermetic container and helium for 0.5-0.6. MPA, and keep it for 1H; check the leakage by a helium leak detector.	Leakage: 1X10^-8MBAR.L/S MAX.
4	Solderability	Dip the leads into flux (Rojin Methanol) for 3~5S. Dip the leads into 2455 99% Sn dipping solution for 5S.	The dipped part of the leads should have 95% Sn coating.
5	Soldering Heat Resistance Test	Perform electrical characteristics test before starting. Dip leads into flux (Rojin Methanol) 50.5S. Dip leads into 2605 99% Sn dipping solution for 5S. Take unit out, store at room temperature for 30S then measure electrical characteristics.	Should pass sealing and visual test. Frequency Change: 10PPM MAX.
6	Leak Test	Use helium leak detector. Bombing pressure: 5KG/CM; Bombing time: 2 Hours	Leak should be less than 1E-8 ATM.CC/SEC. Gas or air should not be detected.
7	High Temperature Endurance	Crystal units shall be put in some where for 500 hours at temperature of 1255, then keep it for 1 to 2 hours under room temperature.	Frequency Change: 10PPM MAX.; Resistance Change: 15%R_RMAX.
8	Low Temperature Endurance	Crystal units shall be put in some where for 500 hours at temperature of -40, then keep it for 1 to 2 hours under room.	Frequency Change: 10PPM MAX.; Resistance Change: 1 5%R_RMAX
9	Humidity Endurance	Somewhere at 405 in relative humidity of 90%~95% for 72 hours, then keep it for one or two hours under room temperature	Frequency Change: 10PPM MAX.; Resistance Change: 1 5%R_RMAX.
10	Temperature Cycle	Temperature shift from low(-40) to high(100, keep 30 minutes), satisfy high(100) to low(-40, keep 30 minutes), then go up to room temperature for 10 cycles.	Frequency Change: 10PPM MAX.; Resistance Change: 1 5%R_RMAX.
11	Lead Tensility	Fix the unit. Apply 2LB of weight axis to the leads. Time: 5S	Should pass sealing and visual test.
12	Lead Bending	Attach 1LB of weight to each of the leads. Bending angle: 90(from the normal position to 45opposedirection). Bending time: 3S(each direction). Number of bending: 2 times.	Should pass sealing and visual test.
13	Marking Erase	Submerge the unit into IPA [Isopropyl Alcohol] solution for 10 minutes and brush the marking 10 times with a tooth brush.	Marking should not be erased.

Packing

Packing Method	Quantity Pcs/reel	a	b	c	e	f	h	j	k
3k/reel & 9k/reel		16.0	7.5	4.0	7.2	0.15	0.5	1.65	3

Reel Dimensions	Pieces per reel	m	n	L	Carrier tape size
3000/reel	1803	60min	17.5	16
9000/reel	3303	80min	17.5	16

Package is made of corrugated paper with thickness of 0.8cm. Package has 10 inner boxes, each box has 1 reel.

Quantity of package:

Per plastic reel: 3000 pieces of Crystal Resonators
Per inner box: 3k/reel & 9k/reel
Per package: 20 inner boxes (60000 pieces of Crystal Resonators) & 10 inner boxes (90000 pieces of Crystal Resonators)

Caution

Shock: Avoid dropping units above the recommended height (500mm) as specific characteristics and appearance can change.
Environmental: Avoid storing next to high temperature heaters (above +85C) or below -40C, and strong light sources for long periods. Do not store in humid environments as lead terminals can be damaged. Avoid environments with vibration as operating characteristics can be altered.
Leads: Do not bend leads more than 2 times at 90 from its axis, as the terminal could be disconnected. After soldering, avoid impacting the unit from any side, which can shatter the glass portion.
Assembly Method: Use ultrasonic frequency less than 20KHz for cleaning. Soldering should be done using IEC 61760-1 or Pb-Free Products.
Storage: Avoid storing in humid or salty environments. Do not store crystal units for more than 3 months.

Pb-Free Products

A-crystal implements a Pb-free program in accordance with European Union (EU) Legislation titled "Restriction of the use of certain Hazardous Substances (RoHS)", banning the use of Pb in electronic assemblies after July 1, 2006.

Pb-Free Classification: Component and Assembly Pb content shall be less than 0.1% by weight of the device (in accordance to IPC/EIA J-STD-006) and shall not be intentionally introduced.

Components: A-crystal's definition of components apply to quartz crystal devices.

Assemblies: A-crystal's definition of assemblies apply to oscillator devices (XO, VCXO and TCXO's).

Recommended Solder Composition: Alloy range Sn-Ag(3.4-4.1)-Cu(0.45-0.9) for reflow and wave soldering.

Pb-free Part Number Identification: When applicable, the A-crystal specification sheet shall indicate if the device is classified as Pb-free.

Marking and Labeling: A-crystal has a Pb-free labeling method for the packaging of all Pb-free products. The lowest level shipping container shall identify the products as Pb-free.

2410122010_Lucki-L146HS32768ML_C5917280.pdf

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