quartz crystal resonator KYX KBD21477272020 with temperature stability 20ppm and 21.47727MHz frequency

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Delivery Time: Negotiable

Product Description

Product Overview

This datasheet specifies the 49USSMD/21.47727MHZ Quartz Crystal Resonator from Shenzhen Kaiyuexiang Industrial Co., Ltd. It is designed for various electronic applications requiring precise frequency control.

Product Attributes

Brand: Kaiyuexiang ()
Origin: Shenzhen, China
Product Name: Quartz Crystal Resonator ()
Product Model: 49USSMD/21.47727MHZ
Original Manufacturer Model: KBD21477272020

Technical Specifications

Parameter	Specification	Description
General
Holder Type	49USSMD
Mode of Vibration	AT CUT
Oscillation Mode	FUND S&A KH-1240
Storage Temperature	-40 TO +85
Driver Level	100W
Electrical Parameter
Normal Frequency	21.47727MHz
Frequency Tolerance (252)	20ppm
Temperature Stability	20ppm
Operating Temperature Range	-20 TO +70
Load Capacitance	20PF
Motional Capacitance	7PF MAX
Shunt Capacitance
Effective Series Resistance	40 MAX
Insulation Resistance	500M OHMS MIN AT DC 100V
Mechanical Parameter
Solderability	95% COVERAGE BY USING 90/10 SOLD AT 245FOR 5 SEC. DIPING AFTER IMMERSION IN ALPHA 611 FLUX FOR 5 SEC.
Mechanical Endurance
Shock Resistance	Satisfied after dropping from 50 cm onto hard wooden board 3 times.	Electrical characteristics shall be satisfied.
Vibration Resistance	Frequency: 1055Hz, Period: 12min, Amplitude: 1.5mm PP, Direction: X.Y.Z, Time: 2 hours/each direction	Electrical characteristics shall be satisfied.
Strength of Terminals/Lead-Wires (Pulling)	900g tension weight for 30 sec.	No visual damages.
Strength of Terminals/Lead-Wires (Bending)	90 bending with 225g tension weight, then straightened. Repeated in opposite direction.	No visual damages.
Sealing Tightness	No gas bubble after immersion in hot water at +90+95 for 5 min.
Soldering Dip	Dipped into solder at +2305 for 3 sec (2mm from body bottom), with ROSIN flux.	Over 90% coverage on terminals/lead-wires.
Solder Heating Resistance	Dipped into solder at +35010 for 3 sec (2mm from edge).	Electrical characteristics shall be satisfied.
Environmental Endurance
Humidity Resistance	250 hours at 602 and 90-95% relative humidity.	Electrical characteristics shall be satisfied.
Storage in Low Temperature	250 hours at -302.	Electrical characteristics shall be satisfied.
Storage in High Temperature	250 hours at +852.	Electrical characteristics shall be satisfied.
Temperature Cycle	3 cycles, temperature shift at 1/min.	Electrical characteristics shall be satisfied.

Contact Information:
Factory Address: 4th Floor, Building 1, Caifa Industrial City, Renmin Road, Guanlan, Bao'an District, Shenzhen
TEL: 0755-89315823, 89315866
FAX: 0755-89315223
Website: www.kaiyuexiang.com