Surface Mount JT-1975+ JT-1975 RF Transformer 50 0.04 to 80 MHz Features Maximum Ratings Operating Temperature Storage Temperature -55C to 100C RF Power 0.25W DC Current 30mA +RoHS Compliant Permanent damage may occur if any of these limits are exceeded. 1 PRIMARY 3 SECONDARY DOT 6 SECONDARY 4 SECONDARY CT 5 NOT USED 2 The +Suffix identifies RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications Applications * impedance matching * balanced amplifiers Pin Connections PRIMARY DOT CASE STYLE: BH292 PRICE: $2.49 ea. QTY (10-49) * excellent return loss, 20 dB typ. in 1 dB bandwidth * excellent amplitude unbalance, 0.05 dB typ. and phase unbalance, 1.0 deg. typ. in 1 dB bandwidth -20C to 85C Transformer Electrical Specifications RATIO FREQUENCY (MHz) (Secondary/Primary) Outline Drawing 2.5 INSERTION LOSS* 0.04-80 PHASE UNBALANCE (Deg.) Typ. AMPLITUDE UNBALANCE (dB) Typ. 3 dB MHz 2 dB MHz 1 dB MHz 1 dB bandwidth 2 dB bandwidth 1 dB bandwidth 2 dB bandwidth 0.04-80 0.05-60 0.1-30 1 2 0.05 0.2 * Insertion Loss is referenced to mid-band loss, 0.2 dB typ. PCB Land Pattern Typical Performance Data Suggested Layout, Tolerance to be within .002 Outline Dimensions ( inch mm ) A .280 7.11 B .310 7.87 C --- D .100 2.54 H .047 1.19 J .065 1.65 K .065 1.65 L .300 7.62 E .225 5.72 F .055 1.40 G .100 2.54 wt grams 0.45 FREQUENCY (MHz) INSERTION LOSS (dB) INPUT R. LOSS (dB) AMPLITUDE UNBALANCE (dB) PHASE UNBALANCE (Deg.) 0.03 0.05 0.07 0.10 1.00 10.00 16.75 20.00 60.00 80.00 0.33 0.22 0.19 0.18 0.16 0.22 0.29 0.33 1.07 1.65 14.60 18.75 21.58 24.55 34.88 23.43 19.49 18.11 9.71 7.72 0.01 0.01 0.01 0.01 0.01 0.00 0.01 0.01 0.14 0.26 0.13 0.09 0.06 0.05 0.08 0.42 0.66 0.78 2.45 3.54 JT-1975 INSERTION LOSS JT-1975 INPUT RETURN LOSS 40.0 RETURN LOSS (dB) Config. A INSERTION LOSS (dB) 2.5 2.0 1.5 1.0 0.5 0.0 35.0 30.0 25.0 20.0 15.0 10.0 5.0 0.0 0 16 32 48 FREQUENCY (MHz) 64 80 0 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 16 32 48 FREQUENCY (MHz) 64 80 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. B M98898 JT-1975 EDR-1975 WZ/TD/CP/AM 070718