# Resonator, ECS-SR-A Series, 4 MHz, ± 0.5%, ± 0.3%, 40 ohm

![Product image](https://novapart.co/image/farnell:4230281RL/)

**URL**: https://novapart.co/products/ECS-SR1-4.00-A-TR/resonator-ecs-sr-a-series-4-mhz-05-03-40-ohm
**SKU**: ECS-SR1-4.00-A-TR
**Manufacturer**: ECS INC INTERNATIONAL
**Category**: Crystals & Oscillators || Resonators
**Price**: €0.2420
**Stock**: 10+

## Specifications

| Parameter | Value |
|---|---|
| Svhc | No SVHC (27-Jun-2024) |
| Frequency | 4MHz |
| No. Of Pins | 2Pins |
| Product Range | ECS-SR-A Series |
| Resonant Frequency | 4MHz |
| Resonant Impedance | 40ohm |
| Frequency Stability | ± 0.3% |
| Frequency Tolerance | ± 0.5% |
| Oscillator Mounting | SMD |
| Operating Temperature Max | 80°C |
| Operating Temperature Min | -20°C |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4230281RL/)

## —— ** Not suggested for new design. ** 

## **ECS-SR-A SMD Ceramic Resonator** 

The ECS-SR-A Series SMD ceramic resonator is an excellent low cost frequency control solution when absolute frequency accuracy is not important. 

## **OPERATING CONDITIONS / ELECTRICAL CHARACTERISTICS** 

## **ECS-SR-A** 

|**Part Number ***|**Frequency**<br>**Range (MHz)**|**Frequency**<br>**Accuracy**<br>**@25⁰C (%)**|**Frequency**<br>**Stability**<br>**-20 ~ +80⁰C **<br>**(%)**|**Aging for**<br>**Ten Years**<br>**(%)**|**Resonant**<br>**Resistance**<br>**(Ω) MAX**|
|---|---|---|---|---|---|
|**ECS-SR1□.□□-A**|2.00 ~ 8.00|±0.5|±0.3|±0.3|40|



_Complete part number to include frequency_ 

- Low Profile 

- RoHS Compliant (Note 7 Exemption) 

## **Part Numbering Guide:  ECS-SR1-4.00-A-TR** 

• Tape and Reel **ECS      -          Series                  -       Frequency          -        Version          -           Packaging** Packaging ~~ee~~ ECS SR1 = 2 ~ 8 MHz 4.00 = 4.00 MHz A = SR-A Series TR = Tape & Reel 2,500/Reel es oe ~~|~~ [ 

## **Package Dimensions (mm)** 

**==> picture [76 x 44] intentionally omitted <==**

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


_**Figure 2)**_ Land Pattern 

_**Figure 1)** Top, Side, and Bottom End Views_ 

|**Package Type**|**A**|**Dimensions (mm)**<br>**B**<br>**C**|**Dimensions (mm)**<br>**B**<br>**C**|**Dimensions (mm)**<br>**D**|**Dimensions (mm)**<br>**D**|**E**||**Package**<br>**Type**|**Dimensions (mm)**<br>**A**<br>**B**|**Dimensions (mm)**<br>**C**|**Dimensions (mm)**<br>**C**|
|---|---|---|---|---|---|---|---|---|---|---|---|
|ECS-SR1|7.5|3.3|1.8||2.5|1.5||ECS-SR1|5.0<br>1.7||4.0|





## Links

- [View this product on Novapart](https://novapart.co/products/ECS-SR1-4.00-A-TR/resonator-ecs-sr-a-series-4-mhz-05-03-40-ohm)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/ecs-inc-international/ecs-sr1-4-00-a-tr/ceramic-resonator-4mhz-2pin-smd/dp/4230281RL)
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