ENGINEERING BULLETIN SG-890A Sprague-Goodman Supercedes SG-890.1 SURFCOIL SMT INDUCTORS AND TRANSFORMERS (PROFESSIONAL GRADE) Sprague-Goodman Electronics, Inc. 1700 SHAMES DRIVE, WESTBURY, NY 11590 TEL: 516-334-8700 FAX: 516-334-8771 E-MAIL: info spraguegoodman.comSURFACE MOUNT INDUCTORS AND TRANSFORMERS SG-890A SMD TUNABLE RF COIL 5.0 x 5.0 x 5.1 mm GLSV & GLSA SERIES APPLICATIONS SPECIFICATIONS RF circuits Operating Temperature Range: 40C to +85C Telecommunications Power Loss at 40C: approx. 100 mW max Mobile radio Soldering Heat Resistance: 260C, 5 s Inductance Range: 14 nH - 680 H FEATURES Compact design Frequency Range: 0.5 - 300 MHz Suitable for automatic insertion For reflow and vapor phase soldering Wide frequency range Max 5 connections 0.14 0.14 3.5 0.04 3.5 TYP 0.9 0.02 TYP 0.4 23 4 0.28 0.20 SQ 0.20 0.33 7.0 5.0 5.0 8.5 0.02 0.5 0.17 4.3 1 5 0.24 6.2 + 0.006 0.167 0.039 0.000 4.25 SQUARE + 0.15 1.00 PAD LAYOUT 0.00 All dimensions are in / mm. Unless otherwise specified, the tolerance on dimensions is 0.004 / 0.1. TYPICAL Q vs. INDUCTANCE TYPICAL Q vs. FREQUENCY 80 70 70 60 80MHz 0.02 H 60 0.4 H 50 50 40MHz 0.75 H Q Q 40 1.3 H 40 21.4MHz 1.5 H 10.7MHz 30 30 3.2 H 5MHz 20 30 H 20 1MHz 10 0.45MHz 10 0 1 0.01 0.1 10 100 1000 0.1 1 10 100 1000 INDUCTANCE ( H) FREQUENCY (MHz) SPRAGUE-GOODMAN ELECTRONICS, INC., 1700 SHAMES DRIVE, WESTBURY, NY 11590 TEL: 516-334-8700 FAX: 516-334-8771 E-MAIL: info spraguegoodman.com 2