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Home > Products > Crystals, Oscillators, Resonators > Crystals > SXT21415BA17-37.400M
Suntsu Electronics, Inc.
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SXT21415BA17-37.400M

In Stock 54413 pcs Reference Price(In US Dollars)
1+
$0.5776
10+
$0.5009
50+
$0.4638
100+
$0.4016
500+
$0.3767
Manufacturer Part Number:
SXT21415BA17-37.400M
Manufacturer / Brand
Suntsu Electronics, Inc.
Part of Description:
CRYSTAL 37.400MHZ 15PF SMD
Datasheets:
SXT21415BA17-37.400M.pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 54413 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number SXT21415BA17-37.400M
Manufacturer / Brand Suntsu Electronics, Inc.
Stock Quantity 54413 pcs Stock
Category Crystals, Oscillators, Resonators > Crystals
Description CRYSTAL 37.400MHZ 15PF 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 SXT214
Ratings -
Package / Case 4-SMD, No Lead
Package Bulk
Operating Temperature -10°C ~ 70°C
Operating Mode Fundamental
Mounting Type Surface Mount
Load Capacitance 15pF
Height - Seated (Max) 0.020" (0.50mm)
Frequency Tolerance ±30ppm
Frequency Stability ±50ppm
Frequency 37.4 MHz
ESR (Equivalent Series Resistance) 100 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.



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


Frequently Asked Questions

How should I choose the load capacitors for SXT21415BA17-37.400M if my MCU or clock input already has stray capacitance?
For SXT21415BA17-37.400M, the nominal load capacitance is 15 pF, so the external capacitors must be selected after subtracting the input pin capacitance, PCB trace capacitance, and any stray coupling on the board. If the total effective load is too high, the oscillator frequency will pull low; if it is too low, the frequency can pull high and startup margin may change. In practice, designers should model the full resonant network, then validate the actual frequency on the assembled board rather than relying only on the crystal nominal value.
Can SXT21415BA17-37.400M be used in a design that has a tighter temperature range than -10°C to 70°C?
SXT21415BA17-37.400M is specified for -10°C to 70°C, so it fits environments inside that range with its stated frequency tolerance and stability. If the system will see wider industrial, outdoor, or enclosure-hot conditions, the crystal may still oscillate but the total timing error can exceed what the system budget allows. In those cases, it is better to compare the full timing error budget, including oscillator circuit behavior, and consider a part specified for the actual ambient range.
What oscillator circuit considerations matter when replacing a 37.4 MHz crystal with SXT21415BA17-37.400M?
When replacing a 37.4 MHz crystal with SXT21415BA17-37.400M, the key checks are load capacitance, ESR, drive level, and whether the existing oscillator was tuned for a different frequency. A design that worked with another crystal may not start reliably if the driver has insufficient negative resistance margin against the 100 ohm ESR of SXT21415BA17-37.400M. It is also necessary to confirm that the circuit is a fundamental-mode oscillator and that the frequency range of the clock IC or MCU matches 37.4 MHz.
Is SXT21415BA17-37.400M suitable for low-power battery-powered equipment?
SXT21415BA17-37.400M can be used in battery-powered equipment when the oscillator design is optimized for low drive and the clock architecture needs a stable 37.4 MHz reference. The main tradeoff is that crystal startup time and oscillator current depend heavily on the host circuit, not just the crystal itself. If power consumption is tightly constrained, verify the oscillator current, startup behavior after deep sleep, and whether a lower-frequency reference or MEMS option would better fit the system budget.
Can SXT21415BA17-37.400M replace a 37.4 MHz crystal from another vendor with a different ESR?
SXT21415BA17-37.400M can replace another 37.4 MHz crystal only if the oscillator has enough loop gain for its 100 ohm ESR and the load network still matches 15 pF. A part with lower ESR is often easier for marginal oscillators, while a higher-ESR part can expose weak start-up conditions. For a direct replacement, confirm package footprint, mounting style, frequency tolerance, and the oscillator’s negative-resistance margin, then test across voltage and temperature.
What layout rules should I follow on the PCB when using SXT21415BA17-37.400M?
For SXT21415BA17-37.400M, the crystal should be placed close to the oscillator pins with short, symmetric traces and a quiet return path to reduce parasitic capacitance and noise injection. Because this is a 4-SMD, no-lead device, pad geometry and solder fillets affect both assembly yield and electrical consistency. Ground noise, nearby high-speed traces, and unnecessary via transitions can all shift the effective load and reduce startup margin.
How do I know if SXT21415BA17-37.400M is appropriate for industrial or long-life equipment?
SXT21415BA17-37.400M is a good fit when the application environment remains within its -10°C to 70°C range and the system can tolerate the specified frequency tolerance and stability. For industrial or long-life equipment, the main checks are thermal exposure, vibration or shock handling at the assembly level, and whether the oscillator circuit remains stable over component aging and board contamination. Its RoHS3 compliance and MSL 1 handling profile help simplify manufacturing, but the final qualification should still include board-level thermal and start-up verification.
What should I check before using SXT21415BA17-37.400M in a design that was originally built for a ceramic resonator or MEMS clock?
SXT21415BA17-37.400M is a quartz crystal, so it depends on the host oscillator circuit in a way that many ceramic resonators and MEMS clock modules do not. Before changing the timing source, confirm whether the original design provided an oscillator driver, the required load capacitance, and the expected amplitude at the crystal pins. If the original part was a clock output device rather than a passive crystal, SXT21415BA17-37.400M will not be a drop-in replacement without circuit changes.
What failure modes should be reviewed when qualifying SXT21415BA17-37.400M for production?
For SXT21415BA17-37.400M, the common qualification checks are cold start, hot restart, frequency pull under assembled board capacitance, and sensitivity to process variation in the oscillator components. Production issues usually show up when the actual load capacitance drifts from the intended 15 pF, or when PCB layout and solder paste variation change the effective ESR margin. It is practical to validate start-up and frequency accuracy on representative lots, not only on prototype boards.
How do I decide between SXT21415BA17-37.400M and another 37.4 MHz crystal with a different package or height?
SXT21415BA17-37.400M should be compared against alternatives by package footprint, seated height, mounting style, load capacitance, ESR, and oscillator margin, not only by nominal frequency. The 4-SMD, no-lead package and 0.50 mm max height may suit compact assemblies, but another package may offer easier sourcing or better mechanical robustness. If the board has limited clearance or reflow constraints, the mechanical dimensions can be the deciding factor alongside electrical compatibility.

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SXT21415BA17-37.400M

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Suntsu Electronics, Inc.

CRYSTAL 37.400MHZ 15PF SMD

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