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Home > Products > Crystals, Oscillators, Resonators > Oscillators > RTX-2520AD31-S-25.000-TR-6
Raltron Electronics
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RTX-2520AD31-S-25.000-TR-6

In Stock 29111 pcs Reference Price(In US Dollars)
1+
$2.011
200+
$0.7783
500+
$0.7507
1000+
$0.7376
Manufacturer Part Number:
RTX-2520AD31-S-25.000-TR-6
Manufacturer / Brand
Raltron Electronics
Part of Description:
XTAL OSC TCXO 25MHZ 1.8V CLP SNW
Datasheets:
RTX-2520AD31-S-25.000-TR-6.pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 29111 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number RTX-2520AD31-S-25.000-TR-6
Manufacturer / Brand Raltron Electronics
Stock Quantity 29111 pcs Stock
Category Crystals, Oscillators, Resonators > Oscillators
Description XTAL OSC TCXO 25MHZ 1.8V CLP SNW
Lead Free Status / RoHS Status: ROHS3 Compliant
Voltage - Supply 1.8V
Type TCXO
Spread Spectrum Bandwidth -
Size / Dimension 0.098" L x 0.079" W (2.50mm x 2.00mm)
Series RTX-2520
Ratings -
Package / Case 4-SMD, No Lead
Package Tape & Reel (TR)
Output Clipped Sine Wave
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Height - Seated (Max) 0.031" (0.80mm)
Function -
Frequency Stability ±500ppb
Frequency 25 MHz
Current - Supply (Max) 2.5mA
Current - Supply (Disable) (Max) -
Base Resonator Crystal
Absolute Pull Range (APR) -

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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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 RTX-2520AD31-S-25.000-TR-6 drive a standard CMOS clock input directly, or do I need a buffer?
RTX-2520AD31-S-25.000-TR-6 uses a clipped sine wave output, so direct connection works only if the receiving clock pin is designed to accept that waveform and the input thresholds are compatible. If the target device expects a rail-to-rail CMOS clock, a buffer, limiter, or comparator stage is often used to restore logic-level edges. For short interconnects into high-impedance clock inputs, RTX-2520AD31-S-25.000-TR-6 can be used directly more often, but the final decision should be based on the receiver’s input specification and the required startup margin.
What power-supply and decoupling considerations should I follow when using RTX-2520AD31-S-25.000-TR-6 on a 1.8 V rail?
RTX-2520AD31-S-25.000-TR-6 is intended for a 1.8 V supply, so the oscillator should be placed on a quiet rail with local bypassing close to the device pins. In practice, a small low-ESR decoupling capacitor near the oscillator and a clean LDO or filtered supply help reduce phase noise and frequency disturbance caused by rail ripple. If the 1.8 V rail also feeds noisy digital loads, isolating the oscillator with a ferrite bead or separate regulator is a common integration approach.
Is RTX-2520AD31-S-25.000-TR-6 a good replacement for a passive 25 MHz crystal on an MCU or FPGA board?
RTX-2520AD31-S-25.000-TR-6 is not a drop-in replacement for a passive crystal because it is an active TCXO, not a two-pin resonator. A crystal oscillator input circuit typically expects load capacitors and an internal inverter loop, while RTX-2520AD31-S-25.000-TR-6 provides a finished clock output instead. To migrate from a crystal to RTX-2520AD31-S-25.000-TR-6, the clock pin must be connected to the oscillator output path specified by the host device, and the original crystal load network is usually removed.
When does RTX-2520AD31-S-25.000-TR-6 make sense for industrial or long-life equipment, and when should I choose something else?
RTX-2520AD31-S-25.000-TR-6 is a practical choice when a 25 MHz reference with TCXO-level stability is needed across -40°C to 85°C and the system can operate from 1.8 V. For equipment that must maintain tighter long-term frequency control, operate beyond the specified temperature window, or tolerate frequent shock, vibration, or thermal cycling, a more specialized oscillator architecture may be more appropriate. The clipped sine output and compact SMD package are often a good fit for embedded and industrial clocking, provided the system-level environmental margins are validated.
Can RTX-2520AD31-S-25.000-TR-6 be used as a reference clock for Ethernet, communication, or timing-sensitive designs?
RTX-2520AD31-S-25.000-TR-6 can be suitable where a 25 MHz reference with about 0.5 ppm stability is acceptable, such as many embedded controllers, serial interfaces, and some network-related clocking schemes. If the design needs disciplined timing, sub-ppm system drift control, or protocol-specific frequency tolerance after board-level error sources are included, the full clock tree budget should be checked carefully. In timing-sensitive designs, the oscillator stability, receiver tolerance, PCB loss, and any fanout buffers all contribute to the final margin.
What are the main trade-offs if I replace RTX-2520AD31-S-25.000-TR-6 with a 3.3 V CMOS oscillator from another vendor?
Replacing RTX-2520AD31-S-25.000-TR-6 with a 3.3 V CMOS oscillator can simplify interfacing to logic that expects a full-swing clock, but it also changes the supply domain, output waveform, and often the EMI behavior. A CMOS output may drive more strongly and be easier for digital inputs to detect, while a clipped sine output like RTX-2520AD31-S-25.000-TR-6 can be easier to integrate in some low-noise clock paths. The footprint, enable behavior, startup characteristics, and pin assignments also need to be verified because oscillators with the same frequency are rarely direct substitutes.
How should I route and place RTX-2520AD31-S-25.000-TR-6 to avoid clock jitter or noise coupling?
RTX-2520AD31-S-25.000-TR-6 should be placed close to the load it drives, with a short, controlled connection and minimal exposure to fast digital traces. Keep the oscillator away from switching regulators, high-current edges, and heat sources that can inject supply noise or create local temperature gradients. A clean return path, local decoupling, and avoiding stubs on the clock net are typical layout practices that help preserve the practical stability of RTX-2520AD31-S-25.000-TR-6 in real boards.
Does RTX-2520AD31-S-25.000-TR-6 need special handling for reflow, moisture, or storage?
RTX-2520AD31-S-25.000-TR-6 is listed with MSL 1, so it does not normally require the same dry-pack and floor-life controls used for moisture-sensitive parts. Even so, standard SMT handling still applies: follow the recommended reflow profile for the package, avoid contamination on the pads, and prevent mechanical stress during placement. For long storage or industrial production, keeping the reels sealed against dust and electrostatic damage is still a good assembly practice for RTX-2520AD31-S-25.000-TR-6.

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Raltron Electronics

XTAL OSC TCXO 25MHZ 1.8V CLP SNW

In Stock: 29111

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