24 Megahertz Quartz Crystal Resonator Component KYX KMX240001210 for Precise Frequency Applications

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Product Description

Product Overview

This document specifies the Quartz Crystal Resonator, model M-49USSMD /24.000MHz. It is designed for applications requiring precise frequency control.

Product Attributes

Brand: Kaiyuexiang (KYX)
Origin: Shenzhen, China
Product Name: Quartz Crystal Resonator
Product Model: M-49USSMD /24.000MHz
Original Manufacturer Model: KMX240001210
Developed by: Kaiyuexiang Technology Department - Dong Zongquan

Technical Specifications

Parameter	Value	Unit	Notes
Nominal Frequency	24.000	MHz
Mode of Oscillation	AT Cut
Frequency Tolerance	±10	PPM
Temperature Tolerance	±20	PPM
Operating Temperature Range	-20	°C to +70	°C
Storage Temperature	-40	°C to +85	°C
Equivalent Resistance	≤40	Ω
Load Capacitance	12	pF
Drive Level	100	μW
Shunt Capacitance	≤3.0	pF
Insulation Resistance	≥500	MΩ	at DC 100V±15V
Aging	≤±3	ppm/year
Hold Type
Marking	KYX XX		Nominal Frequency

Product Reliability

Electrical Performance

Item	Test Conditions	Result
A.1 Low Temperature Resistance	500 hrs ± 2 hrs at -40°C ± 5°C, then 1 hr natural cooling to room temperature.	()
A.2 High Temperature Resistance	500 hrs ± 2 hrs at +100°C ± 5°C, then 1 hr natural cooling to room temperature.	()
A.3 Salt Spray Test	48 hrs ± 2 hrs at 35°C ± 2°C with 5% salt solution, then rinse with clean water.	()
A.4 Humidity Test	500 hrs ± 2 hrs at 60°C ± 2°C and 90-98% RH, then 1 hr natural cooling to room temperature.	()
A.5 Temperature Cycling	30 min ± 1 min at -40°C ± 2°C, then 30 min ± 1 min at +85°C ± 2°C for 100 cycles, then 2 hrs natural cooling to room temperature.	()

Mechanical Performance

Item	Test Conditions	Result
B.1 Drop Test	Free drop from 75cm ± 5cm height onto a wooden board (thickness ≥3cm) 3 times, test after 1 hr.	()
B.2 Vibration Test	Frequency 10-55Hz, amplitude 1.5mm. Vibration along X, Y, Z axes for 2 hrs, test after 1 hr.	()
B.3 Terminal Bending Strength Test	Fix the body, twist 45 degrees, then slowly restore.	()
B.4 Terminal Strength	After mounting on PCB, apply pressure with 0.5mm/s speed, 2mm bending degree for 5 sec ± 1 sec.	()
B.5 Soldering Test	Apply flux (7-10% concentration) to terminals for approx. 5 sec, then immerse in a 230°C ± 5°C molten solder bath for 3 sec.	()
B.6 Sealing Test	Immerse crystal in 85°C ± 5°C warm water for 5 minutes, water depth approx. 20cm covering the crystal.	()
B.7 Soldering Heat Resistance	Place crystal on a 265°C ± 5°C tin pot, 2.0 ± 0.2mm distance from tin surface, for 3 minutes (2 times). Place crystal on a 350°C ± 10°C tin pot, 2.0 ± 0.2mm distance from tin surface, for 3 ± 0.5 seconds (2 times). Then natural cooling for 2 hours.	()

Judgment Criteria

Result Code	Specification Requirement
()	Frequency Change: ±5ppm; Resistance Change: ±20%Ω
()	No lead breakage and meets () requirement.
()	Tin coverage rate >90%.
()	No bubbles precipitated on crystal surface or emerging from water.
()	Product appearance is qualified.