CM41532768DZFT

TUNING FORK CRYSTAL UNIT (SMD ・ Ceramic Package) 

3,000pcs/reel 

RoHS compliant / Pb free 

## CM415 

## ■ FEATURES 

- Frequency range : 32.768kHz 

- External dimensions (mm) 

- L : 4.2 x W : 1.6 x H : 0.9 

- Applications Consumer products 

## ■ DIMENSION [mm] 

## ■ SOLDER PAD LAYOUT [mm] 

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Do not design any patterns under CM415.<br>**----- End of picture text -----**<br>


## ■ STANDARD SPECIFICATIONS 

|Model<br>Item|Model<br>Item|CM415|Conditions|
|---|---|---|---|
|**Nominal Frequency**<br>~~i~~|f0<br>~~i~~|32.768kHz<br>~~i~~||
|**Frequency Tolerance**<br>~~fo~~|Δf/f0<br>~~fo~~|±10ppm / ±20ppm<br>~~fo~~|at 25℃|
|**Load capacitance**<br>~~fo~~<br>~~a_i~~|CL<br>~~fo~~<br>~~a_i~~|6.0pF / 7.0pF / 9.0pF / 12.5pF<br>~~fo~~<br>~~a_i~~|Please specify your requirement|
|**Operating Temperature Range**<br>~~fo~~|TOPR<br>~~fo~~|-40℃ ～ +85℃<br>~~fo~~||
|**Storage Temperature Range**<br>~~fo~~<br>~~a_i~~|TSTR<br>~~fo~~<br>~~a_i~~|-55℃ ～ +125℃<br>~~fo~~<br>~~a_i~~||
|**Turnover Temperature**<br>~~fo~~|TM<br>~~fo~~|25℃±5℃<br>~~fo~~||
|**Temperature Coefficient**<br>~~fo~~<br>~~a_i~~|β<br>~~fo~~<br>~~a_i~~|-0.034±0.006ppm/℃2<br>~~fo~~<br>~~a_i~~||
|**Motional (series) resistance**<br>~~fo~~|R1<br>~~fo~~|70KΩ Max.<br>~~fo~~|at 25℃|
|**Level of drive**<br>~~fo~~<br>~~a_i~~|DL<br>~~fo~~<br>~~a_i~~|1μW Max.<br>~~fo~~<br>~~a_i~~||
|**Aging (first year)**<br>~~fo~~|Δf/f0<br>~~fo~~|±3ppm Max.<br>~~fo~~|25℃±3℃|
|**Shunt capacitance**<br>~~ee~~|C0<br>~~ee~~|1.10pF Typ.<br>~~ee~~||



- ~~a~~ http://cfd.citizen.co.jp/english/prod tech/product/cvo_top.html 

## ■ PART NUMBERING SYSTEM 

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  CM415   32768    D  Z  F  T  -  □□□<br>**----- End of picture text -----**<br>


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Frequency Frequency Tolerance Frequency Tolerance over Package specification CITIZEN<br>（at 25℃) Operating Temp. Range management code<br>T Only Tape & Reel<br>Please specify D ±20ppm (STD) Z Standard Spec. Ref. Code for<br>the frequency E ±10ppm internal use.<br>in Hz.<br>Load capacitance (CL)<br>B 6.0pF<br>C 9.0pF (STD)<br>F 12.5pF (STD)<br>Y 7.0pF<br>**----- End of picture text -----**<br>


*Please contact us for specifications available. 

## ■ Part Marking [standard] 

## ■ Reflow profile 

## **Cym###** 

C : Manufacture's ID Code 

y : The last digit of production year 

- m : Production month (See Table.1) 

- # : Production Lot No. 

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Table.1<br>Month Jan Feb … Sep Oct Nov Dec<br>ee eee<br>Code 1 2 … 9 X Y Z<br>ee ee<br>**----- End of picture text -----**<br>


## ■ Packing 

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Conforming to JIS C 0806 TB1208NEIAJ and RC-1009B TE1208N<br>**----- End of picture text -----**<br>


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Conforming to JIS C 0806 R12R and EIAJ RC-1009B R15<br>**----- End of picture text -----**<br>


|Q'ty/reel|a|b|c|d (φ)|e|f|g|h|j|k|l|m (φ)|n (φ)|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|3,000|12.0|5.5|4.0|1.0|4.5|0.3|1.0|5°|1.9|5°|13.0|180|60|



Rev.1 

- http://cfd.citizen.co.jp/english/prod tech/product/cvo_top.html