# Crystal, WC146SM Series, 32.768 kHz, 20 ppm, 12.5 pF

![Product image](https://novapart.co/image/farnell:3573004/)

**URL**: https://novapart.co/products/WC146SMF-32.768KHZ-T/crystal-wc146sm-series-32768-khz-20-ppm-125-pf
**SKU**: WC146SMF-32.768KHZ-T
**Manufacturer**: MMD
**Category**: Crystals & Oscillators || Crystals
**Price**: €0.5630
**Stock**: 500+
**Lead Time**: 92 days (indicative)

## Specifications

| Parameter | Value |
|---|---|
| Svhc | Orange lead (lead tetroxide) (27-Jun-2024) |
| Frequency Nom | 32.768kHz |
| Product Range | WC146SM Series |
| Load Capacitance | 12.5pF |
| Crystal Frequency | 32.768kHz |
| Crystal Case / Package | SMD, 7mm x 1.5mm |
| Frequency Stability + / - | - |
| Frequency Tolerance + / - | 20ppm |
| Operating Temperature Max | 85°C |
| Operating Temperature Min | -40°C |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:3573004/)

## **WC146SM Series Crystal** 

-  **Ultra Low Profile with 1.4mm Height max** 

-  **32.768KHZ** 

-  **RoHS Compliant Available** 

-  **Ideal for use in space confined applications** 

-  **Tape and Reel Packaging** 

|Frequency|32.768KHZ|
|---|---|
|Frequency Tolerance|±20ppm or ±50ppm|
|Turnover Temperature|+25°C ±5°C|
|Temperature Coefficient|-0.04 x 10-6/°C2Maximum|
|Load Capacitance|7.0pF or 12.5pF|
|Series Resistance|65K Ohms max|
|Maximum Drive Level|1.0 uWatt|
|Recommended Drivel Level|0.1 uWatt|
|Shunt Capacitance|1.8pF typ|
|Aging|±3ppm for the first year|
|Operating Temperature|-40°C to +85°C|
|Storage Temperature|-55°C to +125°C|
|Moisture SensitivityLevel|1|



**Part Number Guide** 

WC146SM **32.768KHZ RoHS Compliant Frequency Tolerance Load Capacitance Value Added Options** Blank = Not Compliant Blank = ±20 ppm Blank = 12.5pF Blank = No Added Options F = Is Compliant 50 = ±50 ppm 7 = 7pF T = Tape and Reel ~~Seaoe~~ Please consult with MMD sales department for any other parameters or options. 

**ILSI America LLC – MMD Inc.** 5458 Louie Lane, Reno. NV 89511 Tel: (775) 851-8880, Fax: (775) 851-8882 www.mmdcomp.com e-mail@ilsiamerica.com 

~~re~~ Revision: 09/06/17_I 

Pg 1 of 2 

Specifications are subject to change without notice. 

## **Mechanical Details** 

## **Tape & Reel** 

**==> picture [319 x 215] intentionally omitted <==**

**----- Start of picture text -----**<br>
| PITCH r i<br>00000000 TAPE WIDTH oy,<br>1 REEL DIA x e,<br>0000<br>NOTES:  UNLESS OTHERWISE SPECIFIED<br>1. Applicable Standards / Specifications<br>ANSI Y14.5M, Dimensions and Tolerances<br>PITCH 4.00 [.157] EIA-481-B, 8 mm through 200mm Embossed Carrier Taping and 8 mm and 12 mm<br>TAPE WIDTH 16.00 [.630] 2. Dimensions are in millimeters. Punched Carrier Taping of Surface Mount Components for Automatic Handling.<br>REEL DIA 330[13 IN] 3. Tolerances are ±0.10 [.004] mm unless otherwise specified.<br>QTY PER REEL 9000 4. Do not scale drawing.<br>PIN 1 ORIENT. Q1<br>a =— 7<br>DIRECTION OF FEED<br>**----- End of picture text -----**<br>


**==> picture [351 x 45] intentionally omitted <==**

**----- Start of picture text -----**<br>
 SYSTEM ILSI America LLC – MMD Inc.<br>5458 Louie Lane, Reno. NV 89511<br>=ISOCERTIFIED9001 =  Tel: (775) 851-8880, Fax: (775) 851-8882<br>a www.mmdcomp.com e-mail@ilsiamerica.com<br>**----- End of picture text -----**<br>


Revision: 

09/06/17_I 

Pg 2 of 2 

Specifications are subject to change without notice. 



## Links

- [View this product on Novapart](https://novapart.co/products/WC146SMF-32.768KHZ-T/crystal-wc146sm-series-32768-khz-20-ppm-125-pf)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/mmd-monitor-quartztek/wc146smf-32-768khz-t/crystal-32-768khz-12-5pf-7mm-x/dp/3573004)
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