37.4 MHz Quartz Crystal Resonator CHANGXING ELECTRONICS 8DSC374G0012L for wireless communication devices

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Price: Negotiable

MOQ: Negotiable

Delivery Time: Negotiable

Product Description

Product Overview

The Seam3225 4PIN 37.400000MHz 8DSC374G0012L is a high-precision Quartz Crystal Resonator designed for demanding communication applications. It offers high frequency stability and is engineered to effectively reduce EMI effects, making it an ideal choice for Bluetooth devices, wireless communication sets, DSCs, PDAs, and mobile phones. This product is RoHS Compliant and Pb Free.

Product Attributes

Brand: CHANGXING ELECTRONICS CO.,LTD.
Product Type: Quartz Crystal Resonator
Series: 8D Series
Sealing: Seam Sealing
Compliance: RoHS Compliant / Pb Free
Origin: Fujian, China

Technical Specifications

Parameter	Value	Unit	Notes
Nominal Frequency	37.400000	MHz	Fund
Frequency Tolerance (at 25 3 )	10	ppm
Load Capacitance	12	pF	0.01100W/Step
Frequency Tolerance (1st Year)	30	ppm
Operating Temperature Range	-40+85
Storage Temperature Range	-55+125
Aging (1st Year)	3	ppm
Drive Level	100	uW Max.
Motional Capacitance (C1)	40	fF Max.
Effective Resistance (Rr)	40	Max.
Shunt Capacitance (C0)	5	pF Max.
Insulation Resistance	500	M Min.	at DC 100V
Pulling Sensitivity (TS)	125	ppm/pF
Spurious Response	-3.0	dB
Dimensions (L x W x H)	3.2 x 2.5 x 0.7	mm
Reel Quantity	3,000	pcs per reel	(WHITE)
Product Weight	17.322	mg

Dimensions

Dimension	Value	Unit
A	1.40	0.1 mm
B	3.40	0.1 mm
C	2.70	0.1 mm
D	4.00	0.1 mm
E	8.0	0.2 mm
F	4.00	0.11 mm
G	1.55	0.05 mm
H	1.75	0.1 mm
L	178	1.0 mm
L1	13	0.5 mm
W	11.5	0.2 mm
W1	8.0	+1.0 mm

Marking

The marking includes the following codes:

LOGO
Nominal Frequency (MHz)
Line Code
Last three digits of production batch number
Year-Month Code (four-year cycle)

Reflow Condition

Refer to standard reflow soldering profile specifications for SMD components.

Packing

Packing follows EIA-481-2 standards. Standard reel quantity is 3,000 pcs per reel.

Reliability Specifications

1. Mechanical Endurance

Vibration: Perpendicular axes, 4 hours each axis (JIS C6701).
Mechanical Shock: Half sine wave (1000 G), 0.5 msec. duration, 3 times each mutually perpendicular axis (MIL-STD-202F).
Drop Test: 150 cm height, 3 times on concrete floor (JIS C6701).
Solderability: Test temperature 260 5 , Test time 10 1 sec. (IEC-68-02-27).

2. Environmental Endurance

High Temp & Humidity: 85 3, RH 85%, 500Hrs (JIS C5023).
Low Temp. Storage: -40 3 for 500 12 hours (MIL-STD-883E).
Thermal Shock: Total 100 cycles of temperature cycling between +125 3 and -40 3 (MIL-STD-883E).
Resistance To Soldering Heat: Pre-heat time 60 120 sec., Pre-heat temperature 125 (Total test time 12 hours) (MIL-STD-883E).
High Temp. Storage: 125 3 for 500 12 hours (MIL-STD-883E).
Pressure Cooker Storage: 125 3, RH100%, 2 bar, 240Hrs (MIL-STD-883E).
Helium Bombing: 4.5 Kgf / cm2 for 2 hr (MIL-STD-883E).
Gross Leak Test: Test Pressure: 2Kg / cm2 (Standard Sample For Automatic Gross Leak Detector).
Fine Leak: Flux Rosin resin methyl alcohol solvent (1:4) Immersion time 5 1 seconds (JIS C6701).

Material Composition Declaration

Part	Material Name	Material Mass (mg)	Material Mass (%)	Constituent Name	CAS No.	Material Analysis (%)
Base ( Ceramics)	Aluminum oxide		92.40%	Al2O3	1344-28-1
	Siliconoxide		4.31%	SiO2	7631-86-9
	Chromium oxide		1.50%	Cr2o3	1308-38-9
	Magnesium oxide		0.69%	MgO	1309-48-4
	Calcium oxide		1.10%	CaO	1305-78-8
				Fe	7439-89-6	40.70%
Electrode ()	Nickel			Ni	7440-02-0	21.80%
	Cobalt			Co	7440-48-4	12.80%
	Silver			Ag	7440-22-4	21.00%
	Copper			Cu	7440-50-8	3.70%
				Fe	7439-89-6	47.71%
Metallizing ()	Tungsten		62.50%	W	7440-33-7
	Gold		4.61%	Au	7440-57-5
	Nickel		32.89%	Ni	7440-02-0
	Nickel		26.11%	Ni	7440-02-0
Adhesive ()	Cobalt		15.44%	Co	7440-48-4
	Nickel		10.74%	Ni	7440-02-0
	Silver		75.00%	Ag	7440-22-4
Polymer ()	Silicone resin		15.00%
Solder ()	Crystalline silica		5.00%	SiO2	14808-60-7	100.00%
Solder ()	Petroleum solvent		5.00%
Wafer ()	Quartz	0.45	2.60%
Wafer ()	Silicon oxide		100.00%	SiO2	14808-60-7
Cover ()	Chromium		5.56%	Cr	7440-47-3
	Silver		94.44%	Ag	7440-22-4
	4J29 ()						20.91%