ETXO-H33CL-50.000

TCXO, 50 MHz, 2.5 ppm, SMD, 3.2mm x 2.5mm, HCMOS, 3.3 V, ECSpressCON ETXO-H3 Series

⚠️ Reference pricing provided. In case of supply shortages, we will connect you with our trusted procurement partners to ensure your project's continuity.

Manufacturer: ECS INC INTERNATIONAL
Product type: Temperature Compensated - TCXO Oscillators
SVHC: No SVHC (25-Jun-2025)
Frequency Nom: 50MHz
Product Range: 0
Supply Voltage Nom: 3.3V
Frequency Stability + / -: 2.5ppm
Operating Temperature Max: 85°C
Operating Temperature Min: -30°C
Oscillator Case / Package: SMD, 3.2mm x 2.5mm
Oscillator Output Compatibility: HCMOS

Delivery and price
Units per pack	100
Price	6.0 €
Current stock	10+
Lead time	30 days

Datasheet

**ECSpressCON[TM]** 

ETXO-H2 (2.5V) and ETXO-H3 (3.3V) low jitter, low current SMD Temperature Compensated Crystal Oscillators (TCXO). 

## **ETXO-H HCMOS TCXO** 

**Request a Sample** 

## **OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS** 

|**Parameters**<br>~~Re~~|**Conditions**<br>|**ETXO-H2 (+2.5V)**|**ETXO-H2 (+2.5V)**|**ETXO-H2 (+2.5V)**|**ETXO-H3 (+3.3V)**<br>||**ETXO-H3 (+3.3V)**<br>||**ETXO-H3 (+3.3V)**<br>||**Units**|
|---|---|---|---|---|---|---|---|---|
|||**MIN**<br>|**TYP**<br>|**MAX**<br>~~GO~~<br>|**MIN**<br>~~GO~~<br>|**TYP**<br>~~GO~~<br>|**MAX**<br>|<br>||
|**Frequency Range**<br>~~GO~~<br>~~Re~~|~~GO~~<br>|10.000<br>~~GO~~<br>|~~GO~~<br>|250.000<br>~~GO~~<br>~~GO~~<br>|10.000<br>~~GO~~<br>~~GO~~<br>|~~GO~~<br>~~GO~~<br>|250.000<br>~~GO~~<br>|MHz<br>~~GO~~<br>|
|**Operating Temperature**<br>~~Re~~|Standard (L Option)<br>|-30<br>||+85<br>~~GO~~<br>|-30<br>~~GO~~<br>|~~GO~~<br>|+85<br>|°C<br>|
||Extended (NOption)<br>|-40<br>||+85<br>~~GO~~<br>|-40<br>~~GO~~<br>|~~GO~~<br>|+85<br>|°C<br>|
|**Storage Temperature**<br>~~Reeh~~|~~eh~~|-55<br>~~eh~~|~~eh~~|+125<br>~~GO~~<br>~~eh~~|-55<br>~~GO~~<br>~~eh~~|~~GO~~<br>~~eh~~|+125<br>~~eh~~|°C<br>~~eh~~|
|**Supply Voltage**<br>~~eh~~|~~eh~~|+2.375<br>~~eh~~|+2.5<br>~~eh~~|+2.625<br>~~eh~~|+2.97<br>~~eh~~|+3.3<br>~~eh~~|+3.63<br>~~eh~~|VDC<br>~~eh~~|
|**Frequency Stability**<br>~~yp~~|Option A<br>~~yp~~|~~yp~~|~~yp~~|±2.5<br>~~yp~~|~~yp~~|~~yp~~|±2.5<br>~~yp~~|ppm<br>~~yp~~|
||Option B*<br>~~yp~~|~~yp~~|~~yp~~|±1.0<br>~~yp~~|~~yp~~|~~yp~~|±1.0<br>~~yp~~|ppm<br>~~yp~~|
|**Initial Calibration Tolerance**<br>~~i~~|@+25°C ±2°C<br>~~i~~|~~i~~|~~i~~|±1.0<br>~~i~~|~~i~~|~~i~~|±1.0<br>~~i~~|ppm<br>~~i~~|
|**Current with output disabled**<br>~~i~~|~~i~~|~~i~~|18<br>~~i~~|~~i~~|~~i~~|18<br>~~i~~|~~i~~|mA<br>~~i~~|
|**Input Current**<br>~~i~~<br>~~——_—_<—_$<—_—~~|10.0~50.0MHz<br>~~i~~<br>~~——_—_<—_$<—_—~~|~~i~~<br>~~——_—_<—_$<—_—~~|~~i~~<br>~~——_—_<—_$<—_—~~|24<br>~~i~~<br>~~——_—_<—_$<—_—~~|~~i~~<br>~~——_—_<—_$<—_—~~|~~i~~<br>~~——_—_<—_$<—_—~~|26<br>~~i~~<br>~~——_—_<—_$<—_—~~|mA<br>~~i~~<br>~~——_—_<—_$<—_—~~|
||50.1~125.0 MHz<br>~~——_—_<—_$<—_—~~|~~——_—_<—_$<—_—~~|~~——_—_<—_$<—_—~~|28<br>~~——_—_<—_$<—_—~~|~~——_—_<—_$<—_—~~|~~——_—_<—_$<—_—~~|30<br>~~——_—_<—_$<—_—~~|mA<br>~~——_—_<—_$<—_—~~|
||125.1~250 MHz<br>~~——_—_<—_$<—_—~~|~~——_—_<—_$<—_—~~|~~——_—_<—_$<—_—~~|30<br>~~——_—_<—_$<—_—~~|~~——_—_<—_$<—_—~~|~~——_—_<—_$<—_—~~|34<br>~~——_—_<—_$<—_—~~|mA<br>~~——_—_<—_$<—_—~~|
|**Output Symmetry**|@ 50% VCClevel|||45/55|||45/55|%|
|**Aging**|@ +25⁰C (peryear)|||±1|||±1|ppm|
|**Rise and Fall Times**|10% Vdd to 90% Level||1.5|3.0||1.5|3.0|nS|
|**“0” Level**|VOL|||10% Vdd|||10% Vdd|VDC|
|**“1” Level**|VOH|90% Vdd|||90% Vdd|||VDC|
|**Output Load**|HCMOS|||15|||15|pF|
|**Output Enable**|Pin 2**|0.7%|||0.7%|||Vdd|
|**Output Disable**|Pin 2|||0.3%|||0.3%|Vdd|
|**Output Enable Time**||||200|||200|ns|
|**Output Disable Time**<br>~~i~~|~~i~~|~~i~~|~~i~~|50<br>~~i~~|~~i~~|~~i~~|50<br>~~i~~|ns<br>~~i~~|
|**Phase Jitter, rms**<br>~~i~~|12 KHzto20MHz<br>~~i~~|~~i~~|1.0<br>~~i~~|~~i~~|~~i~~|1.0<br>~~i~~|~~i~~|pS<br>~~i~~|
|**Phase Jitter, rms**<br>~~i~~<br>~~es~~|1.875 MHz to 20 MHz<br>~~i~~<br>~~es~~|~~i~~<br>~~meen~~|<400<br>~~i~~<br>~~nan~~|~~i~~<br>~~nan~~|~~i~~<br>~~ennai~~|<400<br>~~i~~<br>~~ennai~~|~~i~~<br>~~ennai~~|fs<br>~~i~~<br>~~ennai~~|
|**Frequency Stability**<br>~~es~~<br>~~nD~~|Voltage Change (±5%)<br>~~es~~|~~meen~~|~~nan~~|±0.2<br>~~nan~~|~~ennai~~|~~ennai~~|±0.2<br>~~ennai~~|ppm<br>~~ennai~~|
||Load Change (±10%)<br>~~es~~|~~meen~~|~~nan~~|±0.2<br>~~nan~~|~~ennai~~|~~ennai~~|±0.2<br>~~ennai~~|ppm<br>~~ennai~~|
||Reflow (1 reflow after<br>24 hours)<br>~~es~~<br>~~(OU~~|~~meen~~<br>~~(OU~~|~~nan~~<br>~~(OU~~|±1.0<br>~~nan~~<br>~~(OU~~|~~ennai~~<br>~~(OU~~|~~ennai~~<br>~~(OU~~|±1.0<br>~~ennai~~<br>~~(OU~~|ppm<br>~~ennai~~<br>~~(OU~~<br>~~|~~|
|**MSL**<br>~~es~~<br>~~nD~~|~~es ~~<br>~~(OU~~|1<br> ~~meen nan ennai~~<br>~~(OU~~||||||~~ennai~~<br>~~(OU~~<br>~~|~~|



_*Note: Consult ECS for availability_ 

_**Note: Internal pull-up resistor active output if pin 2 is left open._ 

|**Part Number Guide: Example ETXO-H33CL-100.000**<br>**Series**<br>**Voltage**<br>**Package**<br>**Size (mm)**<br>**Stability**<br>**Operating**<br>**Temperature**<br>**Frequency**|**Part Number Guide: Example ETXO-H33CL-100.000**<br>**Series**<br>**Voltage**<br>**Package**<br>**Size (mm)**<br>**Stability**<br>**Operating**<br>**Temperature**<br>**Frequency**|**Part Number Guide: Example ETXO-H33CL-100.000**<br>**Series**<br>**Voltage**<br>**Package**<br>**Size (mm)**<br>**Stability**<br>**Operating**<br>**Temperature**<br>**Frequency**|**Part Number Guide: Example ETXO-H33CL-100.000**<br>**Series**<br>**Voltage**<br>**Package**<br>**Size (mm)**<br>**Stability**<br>**Operating**<br>**Temperature**<br>**Frequency**|**Part Number Guide: Example ETXO-H33CL-100.000**<br>**Series**<br>**Voltage**<br>**Package**<br>**Size (mm)**<br>**Stability**<br>**Operating**<br>**Temperature**<br>**Frequency**|**Part Number Guide: Example ETXO-H33CL-100.000**<br>**Series**<br>**Voltage**<br>**Package**<br>**Size (mm)**<br>**Stability**<br>**Operating**<br>**Temperature**<br>**Frequency**|
|---|---|---|---|---|---|
|ETXO-H<br>(HCMOS<br>Output)|2 = +2.5V<br>3 = +3.3V|3 = 3.2 x 2.5|B = ± 1.0 ppm*<br>C = ± 2.5 ppm|L =   -30 ~ +85°C<br>M =  -20 ~ +70°C<br>N =   -40 ~ +85°C|Customer Specified|



## **ECSpressCON[TM] ETXO-H HCMOS TCXO** 

## **Phase Noise and Jitter Data (typical)** 

|**SSB**<br>**Phase**<br>**Noise**<br>**Data**<br>**(dBc/Hz**<br>**typical)**|**Frequency**<br>**(offset)**|**77.760**|**122.880**|**125.00**|**156.250**|**212.5**|
|---|---|---|---|---|---|---|
||10Hz|-64|-68|-63|-63|-62|
||100Hz|-84|-99|-94|-91|-93|
||1 KHz|-118|-113|-113|-109|-105|
||10KHz|-128|-119|-118|-115|-113|
||100KHz|-137|-120|-119|-116|-115|
||1 MHz|-145-|140|-137|-138|-135|
||5MHz|-152|-142|-146|-147|-143|
|**Phase Jitter pS**<br>**12 KHz ~ 20 MHz,**<br>**RMS**||0.9|0.8|1.1|1.0|1.0|



**Phase Noise Plot of ETXO-H33CL-156.250 (typical)** 

**==> picture [95 x 13] intentionally omitted <==**

**----- Start of picture text -----**<br>
apee >PhaseNoise 10,00dB/; Ref -20.00dBc/Hz}<br>**----- End of picture text -----**<br>


|**Package Data**<br>**Item**<br>**Description**<br>Lid<br>Metal|**Package Data**<br>**Item**<br>**Description**<br>Lid<br>Metal|
|---|---|
||Metal|
|Base|Ceramic|
|Plating|Gold/Nickel<br>Surface/Under|



## RoHS 

**ECSpressCON[TM] ETXO-H HCMOS TCXO** 

## **Dimensions (mm)** 

**==> picture [88 x 77] intentionally omitted <==**

**----- Start of picture text -----**<br>
k— 3.2201]<br>SLA")<br>|{*————|<br>2.0+0.2<br>**----- End of picture text -----**<br>


**==> picture [120 x 57] intentionally omitted <==**

**----- Start of picture text -----**<br>
0.7514 440.7597<br>= aS leis<br>7 =o<br>**----- End of picture text -----**<br>


|**PinConnections**|**PinConnections**|
|---|---|
|Pin #<br>Function||
|1|No Connect|
|2|Output Enable|
|3|Ground|
|4|Output|
|5|No Connect|
|6|Supply Voltage|



_Figure 1) Top, Side, Bottom & Land_

Updated at April 16, 2026

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