TCD-18-4

www.DataSheet.co.kr Directional Coupler 50Ω Maximum Ratings Operating Temperature Storage Temperature -40°C to 85°C -55°C to 100°C Surface Mount TCD-18-4+ TCD-18-4 5 to 1000 MHz Features wideband, 5 to 1000 MHz low mainline loss, 0.7 dB typ. aqueous washable leads for excellent solderability protected by US Patent 6,140,887 CASE STYLE: DB714 PRICE: $1.49 ea. QTY (25) Pin Connections INPUT OUTPUT COUPLED GROUND 50Ω TERM EXTERNAL NOT USED 3 4 1 2 6 5 + RoHS compliant in accordance with EU Directive (2002/95/EC) The +Suffix identifies RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications. Applications communications signal sampling level detection Directional Coupler Electrical Specifications FREQ. RANGE (MHz) fL-fU 5-1000 Outline Drawing COUPLING (dB) Nom. 17.9±0.5 Flatness ±0.6 MAINLINE LOSS1 (dB) L Typ. Max. 0.7 1.3 M Typ. Max. 0.7 1.1 U Typ. Max. 1.0 1.4 L Typ. Min. 22 11 DIRECTIVITY (dB) M Typ. Min. 20 15 U Typ. Min. 18 — VSWR POWER (:1) INPUT, W Typ. 1.20 L MU Max. Max. 1.0 1.0 L = low range [fL to 10 fL] M = mid range [10 fL to fU/2] U= upper range [fU/2 to fU] 1. Mainline loss includes theoretical power loss at coupled port. Typical Performance Data PCB Land Pattern Frequency (MHz) Mainline Loss (dB) In-Out 0.71 0.62 0.64 0.67 0.64 0.73 0.80 0.80 0.84 0.92 TCD-18-4 MAINLINE LOSS Coupling (dB) In-Cpl 17.93 17.76 17.80 17.85 17.89 17.92 17.96 18.00 18.03 18.08 Directivity ...