Choose your country or region.

EnglishFrançaispolskiSlovenija한국의DeutschSvenskaSlovenskáMagyarországItaliaहिंदीрусскийTiếng ViệtSuomiespañolKongeriketPortuguêsภาษาไทยБългарски езикromânescČeštinaGaeilgeעִבְרִיתالعربيةPilipinoDanskMelayuIndonesiaHrvatskaفارسیNederlandTürk diliΕλλάδαRepublika e ShqipërisëአማርኛAzərbaycanEesti VabariikEuskeraБеларусьíslenskaBosnaAfrikaansIsiXhosaisiZuluCambodiaსაქართველოҚазақшаAyitiHausaКыргыз тилиGalegoCatalàCorsaKurdîLatviešuພາສາລາວlietuviųLëtzebuergeschmalaɡasʲМакедонскиMaoriМонголулсবাংলা ভাষারမြန်မာनेपालीپښتوChicheŵaCрпскиSesothoසිංහලKiswahiliТоҷикӣاردوУкраїнаO'zbekગુજરાતીಕನ್ನಡkannaḍaதமிழ் மொழி繁体中文
Home > Products > Crystals, Oscillators, Resonators > Crystals > ECS-384-CDX-1983
ECS Inc.
ECS-384-CDX-1983 ImageView larger image
Image may be representation.
See specs for product details.

ECS-384-CDX-1983

In Stock 13635 pcs Reference Price(In US Dollars)
1+
$0.4801
10+
$0.4701
30+
$0.4629
100+
$0.4558
Manufacturer Part Number:
ECS-384-CDX-1983
Manufacturer / Brand
ECS Inc.
Part of Description:
CRYSTAL 38.4000MHZ 10PF SMD
Datasheets:
ECS-384-CDX-1983.pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 13635 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

Inquiry Online

Please complete all required fields with your contact information.Click "SUBMIT REQUEST" we will contact you shortly by email. Or Email us: Info@IC-Components.com
Part Number
Manufacturer
Require Quantity
Target Price(USD)
Company Name
Contact Name
E-mail
Phone
Message
Please enter Verify Code and click "Submit"
Part Number ECS-384-CDX-1983
Manufacturer / Brand ECS Inc.
Stock Quantity 13635 pcs Stock
Category Crystals, Oscillators, Resonators > Crystals
Description CRYSTAL 38.4000MHZ 10PF SMD
Lead Free Status / RoHS Status: ROHS3 Compliant
Type MHz Crystal
Size / Dimension 0.079" L x 0.063" W (2.00mm x 1.60mm)
Series ECS-CDX
Ratings -
Package / Case 4-SMD, No Lead
Package Tape & Reel (TR)
Operating Temperature -40°C ~ 125°C
Operating Mode Fundamental
Mounting Type Surface Mount
Load Capacitance 10pF
Height - Seated (Max) 0.020" (0.50mm)
Frequency Tolerance ±10ppm
Frequency Stability ±40ppm
Frequency 38.4 MHz
ESR (Equivalent Series Resistance) 40 Ohms

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

We can offer worldwide express delivery service, such as DHLor FedEx or TNT or UPS or other forwarder for shipment.

Global Shipment by DHL/FedEx/TNT/UPS

Shipping Fees reference DHL/FedEx
1). You can offer your express delivery account for shipment, ifyou haven’t any express account for shipment, we can offer our account inadvance.
2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges： (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



We accept the payment terms: Telegraphic Transfer(T/T), Credit Card, PayPal and Western Union.

PayPal:

PayPal Bank Information:
Company Name : IC COMPONENTS LTD
Paypal ID: Info@IC-Components.com

BANK TRANSFAR (Telegraphic Transfer)

Payment For Telegraphic Transfers:
Company Name : IC COMPONENTS LTD Beneficiary Account Number : 549-100669-701
Beneficiary Bank name : Bank of Communications (Hong Kong) Ltd Beneficiary Bank Code : 382 (for local payment)
Beneficiary Bank SWIFT : COMMHKHK
Beneficiary Bank Address : Tsuen Wan Market Street Branch 53 Market Street, Tsuen Wan N.T., Hong Kong

Any inquires or questions, please kindly contact us Email: Info@IC-Components.com


Frequently Asked Questions

Can ECS-384-CDX-1983 be used directly with a 38.4 MHz RF or communication clock input, or do I need to verify the load network first?
ECS-384-CDX-1983 is a 38.4 MHz fundamental crystal with a specified 10 pF load capacitance, so the external oscillator circuit must be designed around that load target. In practice, the actual board capacitance, trace parasitics, and the MCU or transceiver’s internal inverter characteristics affect the effective load seen by ECS-384-CDX-1983. For design-in, confirm the oscillator vendor’s recommended CL calculation and make sure the total load matches the crystal’s 10 pF specification rather than assuming the nominal capacitor value alone is sufficient.
What happens if ECS-384-CDX-1983 is paired with a crystal oscillator circuit that expects a different load capacitance, such as 12 pF or 18 pF?
ECS-384-CDX-1983 is tuned for 10 pF, so using it in a circuit optimized for a higher CL typically shifts the oscillation frequency and can increase startup margin issues. The impact depends on the oscillator topology and the stray capacitance on the PCB, but the usual outcome is frequency offset from target and potentially longer startup time. If the design was built around another crystal family, the compensation capacitors may need to be reselected before ECS-384-CDX-1983 can be treated as a drop-in substitute.
Is ECS-384-CDX-1983 suitable for designs that need tight frequency control across industrial temperature ranges?
ECS-384-CDX-1983 is specified for -40°C to 125°C operation with frequency tolerance of ±10 ppm and frequency stability of ±40 ppm, which makes it a practical fit for many industrial controllers, communications modules, and timing references. For systems that require very low total frequency error over temperature, you still need to budget oscillator circuit tolerance, aging, and load mismatch on top of the crystal’s own specification. ECS-384-CDX-1983 works well when the architecture can tolerate a crystal-based reference rather than a temperature-compensated oscillator.
Can ECS-384-CDX-1983 be used as a replacement for another 38.4 MHz crystal from a different vendor?
ECS-384-CDX-1983 can be a replacement only if the electrical and mechanical details align, not just the frequency. Check the load capacitance, ESR, tolerance, package style, pinout, and mounting footprint against the original part. If the previous crystal had a different CL or lower ESR requirement, the existing oscillator network may need adjustment before ECS-384-CDX-1983 will behave correctly in the same circuit.
How do I know if ECS-384-CDX-1983’s 40 ohm ESR will work with my oscillator IC?
ECS-384-CDX-1983 has a maximum ESR of 40 ohms, so the oscillator amplifier must provide enough negative resistance margin to start and sustain oscillation reliably. This is usually fine for modern low-power MCU clock pins or RF clock blocks, but some conservative oscillator designs are less tolerant of higher ESR crystals. If the oscillator datasheet specifies a maximum crystal ESR lower than 40 ohms or gives a minimum negative resistance ratio, verify that ECS-384-CDX-1983 stays inside that margin across temperature and process.
Does ECS-384-CDX-1983 need any special handling for reflow soldering or long-term board reliability?
ECS-384-CDX-1983 is a 4-SMD, no-lead device with MSL 1 classification, so it is generally tolerant of normal assembly and storage workflows without moisture pre-bake concerns. For long-term reliability, keep PCB flex, board cleaning chemistry, and placement stress under control, since small no-lead crystals can be affected by mechanical strain. Stable land pattern design and a controlled reflow profile help preserve frequency behavior and solder joint integrity over time.
Is ECS-384-CDX-1983 a good fit for battery-powered products, or will its oscillator startup characteristics be a problem?
ECS-384-CDX-1983 can be used in battery-powered designs, but the oscillator circuit around it must be evaluated for startup current, drive level, and wake-up timing. A 38.4 MHz crystal with 40 ohm ESR may require more startup margin than a lower-ESR alternative in very low-power systems. If the product spends a lot of time in sleep mode and wakes frequently, verify that the MCU or clock chip can start ECS-384-CDX-1983 reliably at the intended supply voltage and temperature.
Can ECS-384-CDX-1983 be used as a substitute for LFXTAL085852, and what should I check before switching?
ECS-384-CDX-1983 may be considered against LFXTAL085852, but the substitution should be validated on the full oscillator network, not only on frequency and package size. Confirm the target load capacitance, ESR, tolerance class, footprint compatibility, and any differences in aging or temperature behavior. If the existing design was tuned around LFXTAL085852, the surrounding capacitors may need to change to preserve the same startup and frequency performance with ECS-384-CDX-1983.
What PCB layout practices matter most when integrating ECS-384-CDX-1983 near a noisy RF or switching power section?
ECS-384-CDX-1983 should be placed close to the oscillator pins with short, symmetric traces and a clean return path to minimize injected noise and unwanted capacitance. Keep switching regulators, fast digital edges, and RF power traces away from the crystal loop, because parasitic coupling can disturb startup or add jitter in sensitive clock applications. For ECS-384-CDX-1983, the practical goal is not only signal integrity but also keeping the effective load close to the intended 10 pF environment.
When is ECS-384-CDX-1983 not the right choice for a design?
ECS-384-CDX-1983 is less suitable when the system needs an oscillator with integrated output buffering, a very low-ppm solution over wide environmental drift, or a footprint different from a 4-SMD no-lead crystal. It is also not the best match if the oscillator IC requires a different load capacitance or if the design cannot provide sufficient negative resistance margin for a 40 ohm ESR crystal. In those cases, a different crystal value, a lower-ESR part, or a packaged oscillator may fit the architecture better.

Recent Reviews

Leave Comment
Hello, you have not logged in, please log in
User Login

Forgot password?

No account yet? Register now

Tips
Please speak legally
Your email will be hidden
Please complete all required fields ( denoted with* )
Mark
5.0

You May Also Be Interested In:


ECS-384-CDX-1983

ECS-384-CDX-1983

ECS Inc.

CRYSTAL 38.4000MHZ 10PF SMD

In Stock: 13635

Submit RFQ