# CRYSTAL, 8MHZ, 18PF, HC-49US

![Product image](https://novapart.co/image/farnell:4337388/)

**URL**: https://novapart.co/products/HCM498000000ABJT/crystal-8mhz-18pf-hc-49us
**SKU**: HCM498000000ABJT
**Manufacturer**: CITIZEN FINEDEVICE
**Category**: Crystals & Oscillators || Crystals
**Price**: €0.2940
**Stock**: 1000+
**Lead Time**: 102 days (indicative)

## Description

Frequency Nom:80MHz; Crystal Case:SMD, 11.4mm x 4.65mm; Frequency Stability + / -:50ppm; Load Capacitance:18pF; Frequency Tolerance + / -:30ppm; Product Range:HCM49 Serie 60K8274

## Specifications

| Parameter | Value |
|---|---|
| Esr | 100ohm |
| Svhc | No SVHC (14-Jun-2023) |
| No. Of Pins | 2Pins |
| Frequency Nom | 80MHz |
| Product Range | HCM49 Series |
| Load Capacitance | 18pF |
| Crystal Case / Package | SMD, 11.4mm x 4.65mm |
| Frequency Stability + / - | 50ppm |
| Frequency Tolerance + / - | 30ppm |
| Operating Temperature Max | 60°C |
| Operating Temperature Min | -10°C |

## Datasheet

📄 [Download PDF](https://novapart.co/datasheet/farnell:4337388/)

## AT-CUT CRYSTAL UNIT **(SMD • Metal-can Type) RoHS compliant HCM49 1000pcs/reel** ~~PE~~ 

## ■ **FEATURES** 

- 7Surface mount type of metal-can HC-49/U-S. High performance with the resistance weld sealing. 

- 7Suitable for various applications such as communication devices, AV devices and measuring instruments. 

**==> picture [27 x 7] intentionally omitted <==**

**----- Start of picture text -----**<br>
Life-size<br>**----- End of picture text -----**<br>


## ■ **DIMENSION [mm]** 

## ■ **SOLDER PAD LAYOUT [mm]** 

**==> picture [471 x 117] intentionally omitted <==**

**----- Start of picture text -----**<br>
12.4±0.4<br>10.5 Max.<br>11.4±0.2<br>（4.32）<br><= ) Internal connection ( ZZZA-EZ<br>5.5 3 5.5<br>4.7±0.2<br>0.1  0.2<br>＋ －<br>0.8<br>3.81 Max.<br>1.5<br>0.15 ＋ 0.05－ （0.64）  4.3 Max. 3.6 Max.<br>**----- End of picture text -----**<br>


## ■ **STANDARD SPECIFICATIONS** 

|**HCM49**<br>**Item**<br>**Model**<br>**Conditions**|
|---|
|f0<br>△f/f0<br>△f/f0<br>TOPR<br>TSTR<br>R1<br>CL<br>C0<br>DL<br>IR<br>△f/f0<br>3.5MHz～30.0MHz（Fundamental）<br>Need to contact us for<br>the available frequency<br>30.0MHz～50.0MHz（3rd Overtone）<br>at 25˚C<br>－10℃～＋60℃<br>at 25˚C<br>Need to specify your requirement<br>DC100V±15V<br>25℃±3℃<br>±30ppm<br>below   6.0MHz:±50ppm<br>above   6.0MHz:±30ppm<br>－40℃～＋85℃<br>－55℃～＋125℃<br>Refer to the following table<br>Fundamental:10.0pF～∞3rd Overtone:5.0pF～∞<br>7.0pF Max.<br>100μW<br>500MΩMin.<br>±5ppm Max.<br>**Nominal Frequency**<br>**Frequency Tolerance**<br>**Frequency Tolerance**<br>**over Operating**<br>**Temperature Range**<br>**Operating Temperature Range**<br>**Storage Temperature Range**<br>**Motional (series) resistance**<br>**Load capacitance**<br>**Shunt capacitance**<br>**Level of drive**<br>**Insulation Resistance**<br>**Aging (first year)**<br>~~pePo~~<br>~~ee~~<br>~~Oe~~<br>~~aaaaaee~~<br>~~aee~~<br>~~a~~|
|■**MOTIONAL (SERIES) RESISTANCE (R1)**|
|3.5MHz≦f0＜4.0MHz 4.0MHz≦f0＜6.0MHz<br>6.0MHz≦f0＜10MHz<br>10MHz≦f0＜14MHz<br>14MHz≦f0＜30MHz<br>30MHz≦f0＜36MHz<br>36MHz≦f0≦50MHz<br>**Frequency Range**|
|Fundamental<br>Fundamental<br>Fundamental<br>Fundamental<br>Fundamental<br>3rd Overtone<br>3rd Overtone<br>**Mode**|
|200ΩMax.<br>150ΩMax.<br>100ΩMax.<br>80ΩMax.<br>50ΩMax.<br>140ΩMax.<br>100ΩMax.<br>**R1**|



## ■ **MOTIONAL (SERIES) RESISTANCE (R1)** 

http://cfm.citizen.co.jp/english/product/pr02.html 



## Links

- [View this product on Novapart](https://novapart.co/products/HCM498000000ABJT/crystal-8mhz-18pf-hc-49us)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/citizen-finedevice/hcm498000000abjt/crystal-8mhz-18pf-hc-49us/dp/4337388)
---

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