SMT MINI WIDEBAND TRANSFORMERS R3838 SERIES • Ideal for wideband and RF instrumentation applications • Can be used for Impedance Matching, Signal Isolation and Balance to Unbalanced conversion • 3.8mm square, 5.0mm high • Operating Temperature: -40°C to +85°C • RoHS Compliant Product • Custom Design Available ELECTRICAL PARAMETERS @ 25°C Part Number R3838- Impedance Ratio (Sec/Pri ±10%) Bandwidth Typ (MHz) Insertion Loss (dB Typ) Primary OCL (μH MIN) 4-6 Pri DCR (Ω MAX) 4-6 Sec OCL (µH MIN) 1-3 Sec DCR (Ω MAX) 1-3 Schematic 1-1L 1:1 4-600 0.40 10.0 0.120 10.0 0.120 A 1-1TL 1:1 3.5-750 0.58 11.0 0.075 11.0 0.075 B 2-1TL 1:2 4-500 0.50 10.0 0.120 20.0 0.150 B 3-1TL 1:3 4-900 0.60 9.0 0.100 27.0 0.150 B 4-1TL 1:4 3.2-750 1.00 12.0 0.055 48.0 0.120 B 4-14TL 1:4 16-1200 2.00 2.0 0.050 8.0 0.100 B 4-1WL 1:4 6.5-1000 0.90 5.0 0.060 20.0 0.120 B 4-6TL 1:4 4.5-700 0.30 9.0 0.120 36.0 0.200 B 8-1L 1:8 1.5-600 0.60 22.0 0.080 176.0 0.310 B 9-1L 1:9 4.5-500 0.54 9.0 0.060 81.0 0.230 B DIMENSIONS (mm) SCHEMATICS Figure A Product performance is limited to specified parameters. Data is subject to change without prior notice. Tel: 310-325-1043 Fax: 310-325-1044 Figure B Dimensions Unless otherwise specified, all tolerances are: inch: .XX : ±0.015 .XXX : ±0.004 mm: X,X : ±0,38 X,XX : ±0,10 www.mpsind.com [email protected]