WC26SMFC-32.768KHZ-T

## **WC26SM Series Crystal** 

- **Surface Mountable Clock Crystal** 

- **32.768 KHz** 

- **Small Compact Size** 

##  **RoHS Compliant** 

|Frequency|32.768 KHz|
|---|---|
|Tolerance at +25°C|See Part Number Guide for Options|
|Stability|-0.034 ppm (±0.006)/°2|
|Aging|±5 ppm/ yr|
|Shunt Capacitance|1.5 pF|
|Load Capacitance|12.5 pF Typ (6pF Option)|
|Motional Capacitance|0.003 pF TYP|
|Operating Temperature|-40°C to +85°C|
|Storage Temperature|-40°C to +85°C|
|Equivalent Resistance|50k Ohms Max|
|Drive Level|1 µW Max|
|Temperature Coefficient|0.04 ppm / ° C|
|Insulation Resistance|500 Megaohms Min / DC 100 V|
|Shock Resistance|±5 ppm Max (Drop test 3 times  on a hard board from 75 cm)|



**Part Number Guide** OO ~~EEE~~ Eee 

**WC26SM 32.768KHZ RoHS CompliantRoHS Compliant Frequency Tolerance Load Capacitance Value Added Options** Blank = Not CompliantF = Is Compliant C = ±10 ppm Blank = 12.5pF Blank = No Added Options F = Is Compliant D = ±20 ppm 6 = 6pF T = Tape and Reel ~~le eR~~ Please consult with MMD sales department for any other parameters or options. 

**MMD Monitor/Quartztek** 5458 Louie Lane, Reno, NV 89511 Phone: (949) 709-5075, Fax: (949) 709-3536, www.mmdcomp.com Sales@mmdcomp.com 

Revision: ~~re~~ 

> Revision: WCWC **2** 6SM066SM **0** 420H 82812G ~~re |~~ 

Pg 1 of 2 

Specifications are subject to change without notice. 

## **Mechanical Details** 

**==> picture [456 x 241] intentionally omitted <==**

**----- Start of picture text -----**<br>
4.05 [.159] _ 2.00 [.079] 3.80 [.150] 3.40 [.134]<br>| r | TY 1.70 [.067]<br>1.90 [.075] CL 2.54 [.100] \ I N '<br>1.00 [.039]<br>i ! _ oat i<br>2.00 [.079] 1.70 [.067]<br>3.25 [.128] L |" LC 4<br>GLUE PAD 1.70 [.067]<br>6.50 [.256] MAX | 3.30 [.130] MAX SUGGESTED PAD LAYOUT<br>2.95 [.116] 2.30 [.091]<br>0.25 [.010]<br>0.25 [.010]<br>0.25 [.010]<br>NOTES<br>1. CAN PLATING = Ni<br>DIMENSIONS IN BRACKETS ARE IN INCHES 2. LEAD PLATING = Sn 95% - 98%, Cu 2% - 5%<br>**----- End of picture text -----**<br>


**Tape & Reel** 

**==> picture [358 x 245] intentionally omitted <==**

**----- Start of picture text -----**<br>
PITCH<br>|<br>TAPE<br>REEL DIA<br>f fj fi fi<br>Wd<br>Ll<br>PITCH 8.0<br>TAPE 16.0<br>REEL 330 [13 IN]<br>COUNT 1000<br>NOTES:  UNLESS OTHERWISE SPECIFIED<br>1. Applicable Standards / Specifications<br>ANSI Y14.5M, Dimensions and TolerancesEIA-481-B, 8 mm through 200mm Embossed Carrier Taping and 8 mm and 12 mm<br>Punched Carrier Taping of Surface Mount Components for Automatic Handling.<br>2. Dimensions are in millimeters.<br>3. Tolerances are ±0.1 mm unless otherwise specified.<br>4. Do not scale drawing.<br>---------<br>><br>DIRECTION OF FEED<br>**----- End of picture text -----**<br>


**MMD Monitor/Quartztek** 5458 Louie Lane, Reno, NV 89511 Phone: (949) 709-5075, Fax: (949) 709-3536, www.mmdcomp.com Sales@mmdcomp.com 

> Revision: WCWC **2** 6SM066SM **0** 420H 82812G ~~ee~~ 

Pg 2 of 2 

Specifications are subject to change without notice.