# VCTCXO, 24 MHz, 0.5 ppm, Clipped Sinewave, 1.8 V, SMD, 2mm x 1.6mm, IQXT-205-2-18 Series

![Product image](https://novapart.co/image/farnell:4210061/)

**URL**: https://novapart.co/products/LFTVXO078857/vctcxo-24-mhz-05-ppm-clipped-sinewave-18-v-smd-2mm
**SKU**: LFTVXO078857
**Manufacturer**: IQD FREQUENCY PRODUCTS
**Category**: Crystals & Oscillators || Oscillators || Voltage Controlled - VC-TCXO Oscillators
**Price**: €2.5600
**Stock**: 10+
**Lead Time**: 141 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Frequency Nom | 24MHz |
| Product Range | IQXT-205-2-18 Series |
| Supply Voltage Nom | 1.8V |
| Frequency Stability + / - | 0.5ppm |
| Operating Temperature Max | 85°C |
| Operating Temperature Min | -30°C |
| Oscillator Case / Package | SMD, 2mm x 1.6mm |
| Oscillator Output Compatibility | Clipped Sinewave |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4210061/)

_Part No. + Packaging:_ _**LFTVXO078857Reel**_ 

## **VCTCXO Specification** 

## **Description** 

- IQXT-205-2-18 is a 2.0 x 1.6mm SMD Voltage Controlled Temperature Compensated Crystal Oscillator (VCTCXO) in a hermetically sealed package. 

- Model 

   - IQXT-205-2-18 

- Model Issue number 1 

- Developed frequencies: 16.2, 16.368, 16.369, 19.2, 20.0, 24.0, 25.0, 26.0, 27.456, 28.925, 28.974, 30.0, 32.0, 33.6, 38.4, 48.0, 50.0 and 52.0MHz 

## **Frequency Parameters** 

   - Frequency 24.0MHz 

- ~~a~~ Frequency Tolerance Max ±1.50ppm ~~=~~ Tolerance Condition @ 25°C ±2°C ~~=~~ Frequency Stability ±0.50ppm ~~a~~ Operating Temperature Range -30.00 to 85.00°C 

- ~~a~~ Ageing ±1ppm max per year @ 25°C ±3°C 

## **Outline (mm)** 

- ~~=~~ Frequency Tolerance: Referred to nominal frequency before reflow soldering. 2.0+0.1 

   - Supply Voltage Variation: 

   - @ ±5% change for ±0.5ppm stability: ±0.1ppm max 

   - @ ±5% change for ±2.0ppm stability: ±0.2ppm max Load Variation: 

   - @ ±10% change for ±0.5ppm stability: ±0.1ppm max 

   - @ ±10% change for ±2.0ppm stability: ±0.2ppm max 

   - Short Term Stability (Allan variance): ±1ppb max (Tau = 0.1s) IR Reflow Resistance (ref to frequency before reflow): ±1ppm max 

## **Electrical Parameters** 

- Supply Voltage 

1.8V ±5% 

- Current Draw Max 1.500mA 

- Absolute Maximum Ratings: Supply Voltage: -0.6V to 4.6V Control Voltage: -0.6V to Vs+0.6V 

## **Frequency Adjustment** 

- Pulling ±8ppm min to ±13ppm max 

- Control Voltage 0.9V ±0.8V 

- Slope: Positive 

## **Output Details** 

- Output Compatibility Clipped Sine Drive Capability 10kΩ//10pF 

- Output: DC coupled 

- Output Level: 0.8V pk-pk min 

- Start Up Time (90% of V pk-pk): 2ms max 

- Start Up Time (within ±0.5ppm): 2ms max 

## **Noise Parameters** 

- Phase Noise (typ): -135dBc/Hz @ 1kHz 

Harmonic Distortion: -5.0dBc max 

## **Environmental Parameters** 

Storage Temperature Range: -40 to 85°C 

## **Sales Office Contact Details:** 

UK: +44 (0)1460 270200 USA: +1.760 668 8935 

Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com 

Page 1 of 2 

Printed on 31 May 23  8:36 using Part Data Sheet V1.0021 

**VCTCXO Specification** _Part No. + Packaging:_ _**LFTVXO078857Reel**_ 

## **Manufacturing Details** 

RoHS Terminations NiAu RoHS Reflow Temp +250°C ±10°C for 10 sec max 

## **Compliance** 

RoHS Status (2015/863/EU) Compliant REACh Status Compliant MSL Rating (JDEC-STD-033): Not Applicable 

## **Packaging Details** 

Pack Style: Reel Tape & reel in accordance with EIA-481-D Pack Size: 3,000 

_Alternative packing option available_ 

## **Sales Office Contact Details:** 

Email: info@iqdfrequencyproducts.com Web: www.iqdfrequencyproducts.com 

UK: +44 (0)1460 270200 USA: +1.760 668 8935 

Page 2 of 2 

Printed on 31 May 23  8:36 using Part Data Sheet V1.0021 



## Links

- [View this product on Novapart](https://novapart.co/products/LFTVXO078857/vctcxo-24-mhz-05-ppm-clipped-sinewave-18-v-smd-2mm)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/iqd-frequency-products/lftvxo078857/vctcxo-24mhz-1-8v-smd-2mm-x-1/dp/4210061)
---

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