# CRYSTAL, 32KHZ, 12.5PF, 7.9 X 3.7MM

![Product image](https://novapart.co/image/farnell:2371421/)

**URL**: https://novapart.co/products/CM250C32000AZFT/crystal-32khz-125pf-79-x-37mm
**SKU**: CM250C32000AZFT
**Manufacturer**: CITIZEN FINEDEVICE
**Category**: Crystals & Oscillators || Crystals
**Price**: €0.7010
**Stock**: 10+

## Description

Fre; CRYSTAL, 32KHZ, 12.5PF, 7.9 X 3.7MM; Frequency Nom:32kHz; Crystal Case:SMD, 7.9mm x 3.7mm; Frequency Stability + / -:-; Load Capacitance:12.5pF; Frequency Tolerance + / -:30ppm;

## Specifications

| Parameter | Value |
|---|---|
| Svhc | Lead |
| Frequency Nom | 32kHz |
| Product Range | CM250C Series |
| Load Capacitance | 12.5pF |
| Crystal Case / Package | SMD, 7.9mm x 3.7mm |
| Frequency Stability + / - | - |
| Frequency Tolerance + / - | 30ppm |
| Operating Temperature Max | 85°C |
| Operating Temperature Min | -40°C |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:2371421/)

TUNING FORK CRYSTAL UNIT (SMD ・ Plastic Package) 

3,000pcs/reel 

## RoHS compliant 

## CM250C 

## ■ FEATURES 

- Frequency range : 30 ～ 100kHz 

- External dimensions (mm) L : 8.0 x W : 3.8 x H : 2.55 

- Applications Communication devices 

## ■ DIMENSION [mm] 

## ■ SOLDER PAD LAYOUT [mm] 

Do not connect to external terminals with #2 and #3. 

## ■ STANDARD SPECIFICATIONS 

|Model<br>Item|Model<br>Item|CM250C|Conditions|
|---|---|---|---|
|**Nominal Frequency**|f0|30kHz ～ 100kHz|Please contact us for<br>frequencies available|
|**Frequency Tolerance**|Δf/f0|±20ppm / ±30ppm|at 25℃|
|**Load capacitance**|CL|12.5pF|Please specify your requirement|
|**Operating Temperature Range**|TOPR|-40℃ ～ +85℃||
|**Storage Temperature Range**|TSTR|-55℃ ～ +125℃||
|**Turnover Temperature**|TM|25℃±5℃||
|**Temperature Coefficient**|β|-0.034±0.006ppm/℃2||
|**Motional (series) resistance**|R1|50KΩ Max.|at 25℃|
|**Level of drive**|DL|1μW Max.||
|**Aging (first year)**|Δf/f0|±5ppm Max.|25℃±3℃|
|**Shunt capacitance**|C0|0.8pF ～ 1.7pF Typ.||



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

## ■ PART NUMBERING SYSTEM 

**==> picture [284 x 13] intentionally omitted <==**

**----- Start of picture text -----**<br>
  CM250C   60000   D  Z  F  T  -  □□□<br>**----- End of picture text -----**<br>


**==> picture [457 x 69] intentionally omitted <==**

**----- Start of picture text -----**<br>
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 A ±30ppm (STD) Z Standard Spec. Ref. Code for<br>the frequency D ±20ppm internal use.<br>in Hz.<br>Load capacitance (CL)<br>F 12.5pF (STD)<br>**----- End of picture text -----**<br>


*Please contact us for specifications available. 

## ■ Part Marking [standard] 

## ■ Reflow profile 

**==> picture [68 x 15] intentionally omitted <==**

**----- Start of picture text -----**<br>
***yww<br>**----- End of picture text -----**<br>


**==> picture [99 x 7] intentionally omitted <==**

**----- Start of picture text -----**<br>
* : Manufacture's ID Code<br>**----- End of picture text -----**<br>


y : The last digit of production year 

w : Production week code 

## ■ Packing 

**==> picture [224 x 8] intentionally omitted <==**

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


**==> picture [195 x 8] intentionally omitted <==**

**----- Start of picture text -----**<br>
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|16.0|7.5|8.0|1.6|8.3|0.3|2.70|5°|4.05|5°|17.5|330|100|



Rev.1 

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



## Links

- [View this product on Novapart](https://novapart.co/products/CM250C32000AZFT/crystal-32khz-125pf-79-x-37mm)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/citizen-finedevice/cm250c32000azft/crystal-32khz-12-5pf-7-9-x-3-7mm/dp/2371421)
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