Precision Quartz Crystal Resonator KYX KBD253552020 HC 49USSMD 25.355 MHz Frequency Tolerance Device

Price Negotiable

Price: Negotiable

MOQ: Negotiable

Delivery Time: Negotiable

Product Description

Product Overview

This product is a Quartz Crystal Resonator, model HC-49USSMD/25.355 MHZ. It is designed for applications requiring precise frequency control with specific load capacitance and tolerance.

Product Attributes

Brand: Kaiyuexiang ()
Origin: Shenzhen, China
Manufacturer: Shenzhen Kaiyuexiang Electronics Co., Ltd.

Technical Specifications

Parameter	Value	Unit	Notes
Product Name	Quartz Crystal Resonator
Product Model	HC-49USSMD
Frequency	25.355	MHz	Normal Frequency
Frequency Tolerance	±20	ppm	at 25±2
Temperature Stability	±20	ppm
Operating Temperature Range	-20 to +70
Load Capacitance	20	pF
Motional Capacitance	3	pF	MAX
Shunt Capacitance
Effective Series Resistance	40	Ω	MAX
Insulation Resistance	500	MΩ	MIN at DC 100V
Holder Type	HC-49USSMD
Mode of Vibration	AT CUT		FUND S&A
Oscillation Mode	KH-1240
Test Facilities
Storage Temperature	-40 to +85
Driver Level	100	µW
Solderability	95% Coverage by using 90/10 Sold at 245 for 5 sec. Dipping after immersion in ALPHA 611 Flux for 5 sec.
Shock Test	Electrical characteristics shall be satisfied after dropping three times from the height of 50 cm onto Hard wooden board.
Vibration Test	Frequency: 10-55Hz, Period: 1-2min, Full Amplitude: 1.5mm P-P, Direction: X.Y.Z, Time: 2hours/each direction		Electrical characteristics shall be satisfied
Strength of Terminals/Lead-wires - Pulling Test	900g tension weight for 30 sec.		No visual damages
Strength of Terminals/Lead-wires - Bending Test	90-degree bending with 225g tension weight, then straighten, repeated in opposite direction.		No visual damages
Sealing Tightness	No observation of gas bubble after specimen put in hot water at +90+95 for 5 min.
Soldering Dip	Terminals/lead-wires dipped into solder at +230±5 for 3sec. Dipping depth 2mm from bottom of body. (After applying ROSIN flux) Soldering portion over 90%.
Solder Heating	Terminals/lead-wires dipped into solder at +350±10 for 3 sec. Dipping depth 2mm from edge of terminals/lead-wires.		Electrical characteristics shall be satisfied
Humidity Test	Electrical characteristics shall be satisfied after 250 hours at 60±2 in 90-95% humidity.
Storage in Low Temperature Test	Electrical characteristics shall be satisfied after 250 hours at -30±2.
Storage in High Temperature Test	Electrical characteristics shall be satisfied after 250 hours at +85±2.
Temperature Cycle Test	Electrical characteristics shall be satisfied after 3 cycles. Temperature shift 1/min.