The Golledge GSX49-4 SM Crystal


4.3mm Low Profile SM Crystal

  • Industry standard HC49 footprint
  • Low profile case
  • Fundamental mode available up to 50.0MHz
  • Large stocks of standard frequencies
  • Lowest cost SMD crystal
Configurable Options
ParameterOption Code
Calibration tolerance
Temperature stability
Operating temperature range
Circuit condition
Oscillation mode

* IMPORTANT: Not normally available in small quantities of non-standard frequencies. Please check with us before ordering

Quantity / Special Request

Please specify the quantity you require below.

The GSX49-4 is supplied on tape and reel. 1k or 2k pcs per reel is the standard T&R pack size for this product. Partial quantities may be supplied on tape (no reel), or in bulk.

Product Description

Available over a wide frequency range of 3.18 ~ 90.0MHz, the GSX49-4 is one our most competitive crystal products. 

This crystal features a range of frequency tolerance and temperature stability options with a choice of operating temperature ranges available including industrial -40 to 85°C. The industry standard package is pad compatible with HC49 style packages, and the GSX49-4 is low profile with package height of only 4.3mm.

If a lower package height is needed the GSX49-3 offers lower 3.2mm profile

Frequency range 3.180 ~ 90.0MHz
Dimensions 11.4 x 4.7 x 4.3mm
Package HC49-4H SMD
Storage temperature range -40 to +90°C
Equivalent series resistance 300Ω max (>3.1 ~ 3.5MHz)
150Ω max (>3.5 ~ 4.0MHz)
120Ω max (>4.0 ~ 4.4MHz)
100Ω max (>4.4 ~ 7.0MHz)
70Ω max (>7.0 ~ 10.0MHz)
50Ω max (>10.0 ~ 50.0MHz, fund)
100Ω max (>25.0 ~ 90.0MHz, 3rd OT)
Static capacitance (C0) 7pF max
Ageing ±3ppm max first year
Test drive level 100µW
Package Drawing
Package footprint and pad configuration drawing for the Golledge GSX49-4 Crystal showing full dimensions.
Ordering Information

To request a quotation for the GSX49-4 please use the configurable options form to choose the options you require and then submit your configured product to our team. Our expert advisers are always happy to help with your requirements and can be contacted on +44 1460 256 100 or at

Following product selection you will be issued with a seven character Golledge part number. Your Golledge part number is the internationally accepted Golledge manufacturing part number (MPN) that should be used for all project documentation, including bills of materials (BoMs) and purchase orders.

If you have any queries regarding any of our documentation our dedicated sales team will be happy to help.

Soldering Profile
Solder reflow profile
Tape & Reel Specification
Tape & Reel Specification

A:330 B:24 C:13.9 D:5.6 E:12 F:4.8 G:100 H:21

Handling & Storage

ESD-HBM-1A Human Body Model (HBM) 1A (250V to <500V)

MSL1 Moisture Sensitivity Level (MSL): 1 (or not applicable)

  • Metal package, hermetic seal
  • Insulating base, formed leads
Material Composition

PbFree Lead-free (< 0.1% by weight )

RoHS compliant with no exemptions RoHS compliant with no exemptions. See our declaration

REACH REACH compliant. See our statement

Conflict Minerals Statement Free of conflict minerals. See our declaration

Halogen Free Statement Free of Halogens. See our declaration

Ozone Depletion Statement Free of Ozone-depleting substances. See our declaration

Nominal Net Mass Nominal Net Mass: 560mg