NON-CATALOG Surface Mount RF Transformer 50Ω TCM4-25 500 to 2500 MHz Features Maximum Ratings Operating Temperature Storage Temperature -40°C to 85°C -55°C to 100°C RF Power 0.25W DC Current 30mA CASE STYLE: DB714 PRICE: Contact Sales Dept. • wide bandwidth, 500 to 2500 MHz • balanced transmission line with secondary center tap • good return loss • plastic base with solder plated leads • aqueous washable Applications Pin Connections PRIMARY DOT 6 • PCS • cellular PRIMARY4 SECONDARY DOT 3 SECONDARY 1 SECONDARY CT 2 NOT USED 5 Outline Drawing Transformer Electrical Specifications FREQUENCY (MHz) Ω RATIO INSERTION LOSS* (Secondary/Primary) Lead #1 identifier shall be located in the cross-hatched area shown. Identifier may be either a molded or marked feature. 4 500-2500 3 dB MHz 2 dB MHz 1 dB MHz 500-2500 700-1500 750-1200 * Insertion Loss is referenced to mid-band loss, 0.2 dB typ. Typical Performance Data FREQUENCY (MHz) PCB Land Pattern Suggested Layout, Tolerance to be within ±.002 Outline Dimensions ( inch mm ) C .160 4.06 D .050 1.27 G .028 0.71 H .065 1.65 J .190 4.83 K .030 0.76 Config. H E .040 1.02 400.00 500.00 600.00 700.00 800.00 1.66 1.07 0.74 0.54 0.42 6.09 8.37 10.92 13.81 17.29 900.00 1000.00 1100.00 1200.00 1300.00 0.38 0.37 0.40 0.43 0.48 21.02 22.67 20.79 18.40 16.41 1400.00 1500.00 1600.00 1800.00 2000.00 0.53 0.59 0.64 0.74 0.84 14.94 13.79 12.90 11.65 10.75 2200.00 2400.00 2500.00 2800.00 3000.00 0.96 1.08 1.14 1.38 1.59 10.03 9.35 8.96 7.82 7.06 F .025 0.64 wt grams 0.15 TCM4-25 INSERTION LOSS 2.5 25 2.0 RETURN LOSS (dB) B .150 3.81 INSERTION LOSS (dB) A .160 4.06 INPUT R. LOSS (dB) INSERTION LOSS (dB) 1.5 1.0 0.5 0.0 500 1000 1500 2000 FREQUENCY (MHz) Mini-Circuits ® ISO 9001 ISO 14001 AS 9100 CERTIFIED P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 The Design Engineers Search Engine 20 15 10 5 0 500 2500 TCM4-25 INPUT RETURN LOSS 1000 1500 2000 FREQUENCY (MHz) 2500 For detailed performance specs & shopping online see web site ® Provides ACTUAL Data Instantly at minicircuits.com IF/RF MICROWAVE COMPONENTS Notes: 1. Performance and quality attributes and conditions not expressly stated in this specification sheet are intended to be excluded and do not form a part of this specification sheet. 2. Electrical specifications and performance data contained herein are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions. 3. The parts covered by this specification sheet are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp. REV. E M135395 TCM4-25 ED-7875/2 IG/TD/AM 120111