# TCXO, 25 MHz, 280 ppb, SMD, 5mm x 3.2mm, CMOS, 3.3 V, ECS-TXO53-S3 Series

![Product image](https://novapart.co/image/farnell:4645641/)

**URL**: https://novapart.co/products/ECS-TXO53-S3-33-250-BN-TR/tcxo-25-mhz-280-ppb-smd-5mm-x-32mm-cmos-33-v-ecs
**SKU**: ECS-TXO53-S3-33-250-BN-TR
**Manufacturer**: ECS INC INTERNATIONAL
**Category**: Crystals & Oscillators || Oscillators || Temperature Compensated - TCXO Oscillators
**Price**: €6.8300
**Stock**: 10+
**Lead Time**: 176 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Frequency Nom | 25MHz |
| Product Range | ECS-TXO53-S3 Series |
| Supply Voltage Nom | 3.3V |
| Frequency Stability + / - | 280ppb |
| Operating Temperature Max | 85°C |
| Operating Temperature Min | -40°C |
| Oscillator Case / Package | SMD, 5mm x 3.2mm |
| Oscillator Output Compatibility | CMOS |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4645641/)

## **ECS-TXO53-S3** CMOS TCXO/VC-TCXO Stratum 3 

ECS-TXO53-S3 CMOS SMD TCXO/VCTCXO.  The 5.0 x 3.2 x 1.8 mm ceramic package Stratum 3 TCXO ideal for Femtocell, Nanocell and Instrumentation applications. 

## **Request a Sample** 

## **OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS** 

|**ECS-TXO53-S3**<br>~~:|~~|**ECS-TXO53-S3**<br>~~:|~~|**ECS-TXO53-S3**<br>~~:|~~|**ECS-TXO53-S3**<br>~~:|~~|**ECS-TXO53-S3**<br>~~:|~~|**ECS-TXO53-S3**<br>~~:|~~|
|---|---|---|---|---|---|
|**Parameters**<br>**MIN**<br>**TYP**<br>**MAX**<br>**Units**<br>**Conditions**<br>~~:~~|<br>~~YC~~||||||
|**Frequency Range**<br>10.000<br>52.000<br>MHz<br>~~SS~~<br>~~YC~~||||||
|**Initial Frequency Tolerance**<br>±1.0<br>ppm<br>@ +25°C ±2°C<br>~~YC~~<br>~~OC~~||||||
|**Frequency Tolerance After Reflow**<br>±1.0<br>ppm<br>Up to 2 Reflows. Note 1:<br>~~OC~~||||||
|**Frequency Stability**<br>±280<br>ppb<br>Vs. Temp (-40 ~ +85°C) Note 2<br>BN Opt<br>±0.2<br>ppm<br>Vs. Supply Change (±5%)<br>±0.2<br>ppm<br>Vs. Load Change (±5%)<br>~~Pe~~<br>~~a~~<br>~~a~~||||||
|**Input Voltage**<br>+3.14<br>+3.3<br>+3.47<br>VDC<br>VDD (33 Opt)<br>~~a~~<br>~~OC~~||||||
|**Current Consumption**<br>8.0<br>mA<br>w/ 15 pF load<br>~~OC~~||||||
|**Output Voltage Low**<br>0.33<br>VDC<br>3.3V||||||
|**Output Voltage High**<br>2.97<br>VDC<br>3.3V<br>~~OC~~||||||
|**Output Load**<br>15<br>pF<br>CMOS<br>~~a~~<br>~~OC~~||||||
|**Start-up Time**<br>2.5<br>mS<br>~~OC~~||||||
|**Aging**<br>±1.0<br>ppm<br>1 year, Note 3<br>~~a~~<br>~~OC~~||||||
|**Rise Time**<br>10<br>nS<br>10% to 90% output swing<br>~~OC~~||||||
|**Fall Time**<br>10<br>nS<br>90% to 10% output swing<br>~~a~~<br>~~OC~~||||||
|**Duty Cycle**<br>45<br>55<br>%<br>~~OC~~||||||
|**Free Run Stability for 20 Year**<br>±4.6<br>ppm<br>Note 4<br>~~a~~<br>~~OC~~||||||
|**24hr Holdover Stability**<br>±40<br>ppb<br>Note 5<br>~~OC~~||||||
|**Phase Noise**<br>**@ 50.000 MHz**<br>-55<br>dBc/Hz<br>@ 1 Hz Offset<br>-83<br>dBc/Hz<br>@ 10 Hz Offset<br>-108<br>dBc/Hz<br>@ 100 Hz Offset<br>-130<br>dBc/Hz<br>@ 1 KHz Offset<br>-148<br>dBc/Hz<br>@ 10 KHz Offset<br>-155<br>dBc/Hz<br>@ 100 KHz Offset<br>~~aa~~<br>~~a~~<br>~~a~~<br>~~a~~<br>~~a~~<br>~~a~~<br>~~a~~<br>~~a~~||||||
|**VC-TXO53-S3**<br>VC-TCXO Option<br>~~a~~<br>~~OC~~||||||
|**Control Voltage**<br>+0.5<br>+1.5<br>+2.5<br>V<br>Input Impedance 100kΩ Min<br>~~OC~~||||||
|**Pullability**<br>±5<br>±16<br>ppm<br>Positive Slope ≤10% Linearity<br>~~a~~<br>~~OC~~||||||
|**Operating Temperature**<br>-40<br>+85<br>°C<br>* N Option<br>~~OC~~||||||
|**Storage Temperature**<br>~~SS~~|-55<br>~~SS~~|~~SS~~|+125<br>~~SS~~|°C<br>~~SS~~|~~SS~~|



- CMOS TCXO 

- Stratum 3 

- 5.0 x 3.2 mm Footprint 

- PbFree/RoHS Compliant 

- MSL 1 

- Lead Finish Au 

**Note 1:** Operation 2 hours post reflow, refer to nominal frequency 

**Note 2:** Ref (Fmax + Fmin) / 2 **Note 3:** Ref after 48hrs continuous operation and fix temperature 

**Note 4:** Inclusive of initial tolerance at 25 ℃ , temperature, supply voltage ±5%, load ±5%, reflow soldering and ageing 20 years 

**Note 5** : Holdover 24 hours at constant temperature after 48 hours operation 

**Part Numbering Guide:  Example ECS-TXO53-S3-33-500-BN-TR** 

**ECS      -          Series        -                       Voltage                 Frequency  -                   Stability                    Temperature Packaging** ECS TXO53-S3 =  TCXO 33 = 3.3V ±5% 500 = M= -20 ~ +70°C TR = Tape & VC-TXO53-S3 = VC-TCXO 30 = 3.0V ±5% 50.000 MHz B= ±280 ppb Y = -30 ~ +85 ° C Reel 50 = 5.0V ±5% N = -40 ~ +85°C See Page 2 Developed Frequencies ~~S~~ L _ | i} 

## **ECS-TXO53-S3** CMOS TCXO/VC-TCXO Stratum 3 

## **Package Dimensions (mm)** 

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_**Figure 2)** Land Pattern_ 

_**Figure 1)** Top, Side, and Bottom views_ 

|**ECS-TXO53-S3**|**ECS-TXO53-S3**||**ECS-VC-TXO53-S3**|**ECS-VC-TXO53-S3**|
|---|---|---|---|---|
|**Pin Connections**|**Pin Connections**||**Pin Connections**|**Pin Connections**|
|#1|Ground or NC||#1|Voltage Control|
|#2|No Connect||#2|No Connect|
|#3|Tri-State||#3|Tri-State|
|#4|Ground||#4|Ground|
|**#5**|No Connect||**#5**|No Connect|
|**#6**|Output||**#6**|Output|
|**#7**|No Connect||**#7**|No Connect|
|**#8**|No Connect||**#8**|No Connect|
|**#9**|VCC||**#9**|VCC|
|**#10**|No Connect||**#10**|No Connect|



|**TriState Function**|**TriState Function**|**TriState Function**||
|---|---|---|---|
|Pin 3||Output||
|Highor NC||OutputEnabled||
|Low||Output Disabled||
|||||
|**Developed Frequencies**||||
|*** Abbreviation**|**Frequency (MHz)**|||
|100|10.000|||
|200|20.000|||
|250|25.000|||
|400|40.000|||
|**500**|50.000|||



_**Figure 3)** Suggested Reflow Profile_ 

## **ECS-TXO53-S3** 

## RoHS COMPLIANT 

CMOS TCXO/VC-TCXO Stratum 3 

_**Figure 4)** Typical Phase Noise Plot (50 MHz)_ 

_**Figure 5)** Tape & Reel Packaging_ 



## Links

- [View this product on Novapart](https://novapart.co/products/ECS-TXO53-S3-33-250-BN-TR/tcxo-25-mhz-280-ppb-smd-5mm-x-32mm-cmos-33-v-ecs)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/ecs-inc-international/ecs-txo53-s3-33-250-bn-tr/tcxo-25mhz-smd-5mm-x-3-2mm/dp/4645641)
---

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