7050 7x5mm Golledge SMD Filter package

GSF-75 21R15B

21.4MHz 4 pole crystal filter with 15.0kHz 3dB bandwidth

  • 4 pole filter in one package
  • Frequencies from 21.40 ~ 75.0MHz available
  • Custom specifications available
  • Miniature SM package
Configurable Options
ParameterOption Code

The GSF-75 21R15B has no configurable options.
Please see the specifications table for more details or contact our team today if you have other specification requirements.

Quantity / Special Request

Please specify the quantity you require below.

The 21R15B is supplied on tape and reel. 1k 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

The GSF-75 21R15B 4 pole crystal filter from Golledge with centre frequency of 21.4MHz features a 15kHz 3dB bandwidth and is available in multiple packages, including both UM-1 and UM-5 style leaded packages and UM-1J and UM-5J surface mount packages. This filter also features insertion loss of just 3.0dB dB. Find full specifications here.

Specifications
Centre frequency 21.4MHz
Dimensions 7.2 x 5.2 x 1.5mm
Operating temperature range -30 to +70°C
Number of poles 4
Pass band -3dB @ ±7.5kHz min
Attenuation band -25dB @ ±22.0kHz max
In-band ripple 1.0dB max
Insertion loss 3.0dB max
Guaranteed attenuation -80dB max -910 ±10kHz
Termination 1900Ω // 1.6pF
Coupling capacitance (CC) 7.0pF
Number of units 1
Package Drawing
Package footprint and configuration drawing for a 7050 6-pad Golledge 4-pole Crystal Filter showing full dimensions.
Ordering Information

To request a quotation for the GSF-75 21R15B 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 sales@golledge.com.

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.

CAD Models

Our GSF-75 21R15B is included in the following design libraries. Click to download the library of your choice.

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

A:250 B:17.5 C:7.9 D:5.4 E:8 F:1.7 G:80 H:21

Handling & Storage

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

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

Construction

Ceramic base with metal lid

Compliance

PB free icon Lead-free (< 0.1% by weight )

ROHS icon RoHS compliant with no exemptions. See our declaration

REACH icon REACH compliant. See our statement

Conflict minerals icon Free of conflict minerals. See our declaration

Halogen free icon Free of Halogens. See our declaration

Ozone depletion icon Free of Ozone-depleting substances. See our declaration