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HCM494000000ABJT 4 MHz quartz crystal with 18pF load capacitance, ±30ppm frequency tolerance, and ±50ppm stability. Surface mount HC-49/US package.
Mfr Part #:

HCM494000000ABJT

Available from 2 distributors
Mfr Name: Citizen Finedevice
Citizen Finedevice
4 MHz quartz crystal with 18pF load capacitance, ±30ppm frequency tolerance, and ±50ppm stability. Surface mount HC-49/US package.
✓ Total Stock: 28 pcs

HCM494000000ABJT Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
18 pcs
On Request
18 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
10 pcs
On Request
10 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

HCM494000000ABJT Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
ESR (Equivalent Series Resistance)
Frequency
Frequency Stability
Frequency Tolerance
Height
Length
Load Capacitance
Mounting Type
Operating Mode
Operating Temperature
Type
Width
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HCM494000000ABJT Description

Short technical summary and product information.

The HCM494000000ABJT is a 4 MHz quartz crystal from Citizen Finedevice. It features a load capacitance of 18 pF and operates in fundamental mode. The crystal offers a frequency tolerance of ±30 ppm and frequency stability of ±50 ppm. Equivalent series resistance is 150 Ω. It is designed for surface mount assembly in an HC-49/US package with dimensions 11.40 mm x 4.70 mm x 4.30 mm. Operating temperature range is -10°C to 60°C. This crystal is suitable for timing applications in consumer electronics, industrial controls, and communication devices.

HCM494000000ABJT Quick Information

Product Type: Quartz Crystal
Canonical Name: Crystal 4 MHz 18pF HC-49/US Surface Mount
Subcategory: Quartz Crystal

HCM494000000ABJT Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

HCM494000000ABJT Features

  • 4 MHz fundamental mode quartz crystal.
  • 18 pF load capacitance rating.
  • ±30 ppm frequency tolerance.
  • Surface mount HC-49/US package.
  • 150 Ω equivalent series resistance.

HCM494000000ABJT Applications

  • Used in microcontroller clock circuits.
  • Ideal for timing in consumer electronics.
  • Suitable for industrial control systems.
  • Applicable in communication devices.

HCM494000000ABJT FAQs

7 frequently asked questions generated from this part’s specifications.
What is the frequency of the HCM494000000ABJT crystal?

4 MHz.

What is the load capacitance?

18 pF.

What is the package type?

HC-49/US surface mount.

What is the operating temperature range?

-10°C to 60°C.

Is this crystal RoHS compliant?

Yes, RoHS3 Compliant (unverified).

What is the frequency tolerance?

±30 ppm.

What is the equivalent series resistance?

150 Ω.

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