
Overview
The HCM494000000AHJT is a crystal made by CITIZEN in a HC-49S-SMD package with 2 pins. -40℃~+85℃ 150Ω 18pF 4MHz ±100ppm ±30ppm HC-49S-SMD Crystals ROHS.
PCBKit's library has its KiCad symbol (Device:Crystal, from KiCad's library) and its footprint (Crystal:Crystal_SMD_HC49-SD, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C7284959).
Symbol
Footprint
Parameters
6- Equivalent Series Resistance(ESR)
- 150Ω
- Frequency
- 4MHz
- Frequency Stability
- ±100ppm
- Load Capacitance
- 18pF
- Normal temperature Frequency Tolerance
- ±30ppm
- Operating Temperature
- -40℃~+85℃
Order codes
1- HCM494000000AHJTLCSC C7284959
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | 1 | Passive |
| 2 | 2 | Passive |
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Is there a KiCad symbol and footprint for the HCM494000000AHJT?
Yes. The symbol is Device:Crystal and the footprint Crystal:Crystal_SMD_HC49-SD, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the HCM494000000AHJT?
HC-49S-SMD, with 2 pins. Its footprint is drawn on this page.
Where is the HCM494000000AHJT datasheet?
CITIZEN publishes it: the Datasheet link on this page opens it.
Where can I order the HCM494000000AHJT?
JLCPCB lists it as part C7284959, with 0 in stock; the sellers' links on this page open their listings.
What can replace the HCM494000000AHJT?
Parts like it in the library: the X49SM4MSD2SC by YXC, the H6OEL89CSC-SUGYLC-4M by YXC, the H6OEL89CSI-SUGYLC-4M by YXC and the HY4M49SSMDOB1R20 by Huiyuan crystal. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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