Surface Mount RF Transformer 50 TC4-25X+ 500 to 2500 MHz Maximum Ratings Operating Temperature Storage Temperature RF Power DC Current -40C to 85C -55C to 100C 0.25 W 30 mA Permanent damage may occur if any of these limits are exceeded. Pin Connections PRIMARY DOT PRIMARY SECONDARY DOT SECONDARY SECONDARY CT 6 4 3 1 2 Features * wideband, 500-2500 MHz * balanced transmission line with secondary center tap * good return loss * plastic base with leads * aqueous washable CASE STYLE: AT1521 PRICE: $2.09 ea. QTY (20) $1.09 ea. QTY (100) +RoHS Compliant The +Suffix identifies RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications Applications * PCS * cellular Reel Size 7" 13" e and Reel Available Tapra cost at no ext Devices/Reel 20, 50, 100, 200, 500 1000, 2000 Transformer Electrical Specifications Outline Drawing AT1521 FREQUENCY (MHz) RATIO INSERTION LOSS* (Secondary/Primary) 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 PCB Land Pattern FREQUENCY (MHz) Suggested Layout, Tolerance to be within .002 Notes: 1. Case Material: Plastic 2. Termination Finish: Tin plate over Nickel plate. 3. Lead#1 identifier shall be located in the cross-hatched area shown, on bottom view. Identifier may be either a molded or marked feature. 4. Top-Hat total thickness: .013 inches max. Outline Dimensions ( inch mm ) A .150 3.81 B .150 3.81 C .160 4.06 D .050 1.27 G .028 0.71 H .065 1.65 J .190 4.83 K .030 0.76 E .040 1.02 F .025 0.64 wt grams 0.15 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 TC4-25+ INPUT RETURN LOSS 25 RETURN LOSS (dB) INSERTION LOSS (dB) Config. H 400.00 500.00 600.00 700.00 800.00 TC4-25+ INSERTION LOSS 2.5 INPUT R. LOSS (dB) INSERTION LOSS (dB) 2.0 1.5 1.0 0.5 20 15 10 5 0 0.0 0 500 1000 1500 2000 FREQUENCY (MHz) 2500 0 3000 Mini-Circuits (R) 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 500 1000 1500 2000 FREQUENCY (MHz) 2500 3000 For detailed performance specs & shopping online see web site (R) 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. OR M133852 TC4-25X+ IG/TD/AM 120508