# Resonator, ECS-CR2-B Series, 20 MHz, ± 0.5%, ± 0.3%

![Product image](https://novapart.co/image/farnell:3649725/)

**URL**: https://novapart.co/products/ECS-CR2-20.00-B-TR/resonator-ecs-cr2-b-series-20-mhz-05-03
**SKU**: ECS-CR2-20.00-B-TR
**Manufacturer**: ECS INC INTERNATIONAL
**Category**: Crystals & Oscillators || Resonators
**Price**: €0.2560
**Stock**: 10+
**Lead Time**: 162 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (04-Feb-2026) |
| Frequency | 20MHz |
| No. Of Pins | 3Pins |
| Product Range | ECS-CR2-B Series |
| Resonant Frequency | 20MHz |
| Resonant Impedance | - |
| Frequency Stability | ± 0.3% |
| Frequency Tolerance | ± 0.5% |
| Oscillator Mounting | SMD |
| Operating Temperature Max | 70°C |
| Operating Temperature Min | -20°C |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3649725/)

SMD Ceramic Resonator 

## **ECS-CR2-B** 

The ECS-CR2-B Chip Type SMD ceramic resonator includes built in capacitors for reduced component count. The SMD Ceramic resonator is an excellent low cost frequency control solution when absolute frequency accuracy is not important. 

**Request a Sample** ) ES 

## **OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS** 

## **ECS-CR2-B** 

|**Part Number ***|**Frequency**<br>**Range (MHz)**|**Frequency**<br>**Accuracy**<br>**@25**⁰**C (%)**|**Frequency**<br>**Stability**<br>**-20 ~ +80**⁰**C**<br>**(%)**|**Aging for**<br>**Ten Years**<br>**(%)**|**ESR**<br>**(Ω)**<br>**MAX**|**Built-in**<br>**Capacitance**<br>**(C1 & C2)**|**Insulation**<br>**Resistance**<br>**@ 10VDC**|
|---|---|---|---|---|---|---|---|
|**ECS-CR2-□□.□□-B**|8.00 ~ 13.00|±0.5|±0.3|±0.3|25|30 pF|100 M Ω Min.|
|**ECS-CR2-□□.□□-B**|13.10 ~ 40.00|±0.5|±0.3|±0.3|40|15pF|100 M Ω Min.|



_Complete part number to include frequency_ 

- Chip Type SMD package 

- • RoHS Compliant (Note 7 Exemption) 

- Built-in Load Capacitor 

- Tape and Reel Packaging 

## **Part Numbering Guide:  ECS-CR2-20.00-B-TR** 

**ECS      -          Series                  -       Frequency          -        Version          -           Packaging** ECS CR2 = 8 ~ 13 MHz 20.00 = 20.00 MHz B = Built In Caps TR = Tape & Reel CR2 = 13.1 ~ 40 MHz 1K/Reel | | Po 

## **Package Dimensions (mm)** 

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1.2403 _ 3.7+0.2 _,<br>**----- End of picture text -----**<br>


_**Figure 1)** Top and Side Views_ 

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Pin Connections<br>#1  In/Out<br>#2  Ground<br>#3  Out/In<br>**----- End of picture text -----**<br>


_**Figure 2)**_ Test Circuit (74HCU04P) 

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Dimensions (mm)<br>T1  T2  T3  W1<br>0.7 ±0.2  1.0 ±0.2  1.5 ±0.2  4.1 ± 0.2<br>**----- End of picture text -----**<br>


_**Figure 3)**_ Land Pattern 



## Links

- [View this product on Novapart](https://novapart.co/products/ECS-CR2-20.00-B-TR/resonator-ecs-cr2-b-series-20-mhz-05-03)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/ecs-inc-international/ecs-cr2-20-00-b-tr/crystal-resonator-20mhz-smd/dp/3649725)
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