Surface Mount T2-1T-KK81+ T2-1T-KK81 RF Transformer 50 0.07 to 200 MHz Features Maximum Ratings Operating Temperature * wideband, 0.07 to 200 MHz * good return loss * also available with plug-in (X65) flat pack (W38) leads -20C to 85C Storage Temperature -55C to 100C RF Power 0.25W DC Current 30mA +RoHS Compliant * balanced to unbalanced transformation * balanced antennas * push-pull amplifiers Pin Connections 4 PRIMARY 6 SECONDARY DOT 3 SECONDARY 1 SECONDARY CT 2 NOT USED 5 The +Suffix identifies RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications Applications Permanent damage may occur if any of these limits are exceeded. PRIMARY DOT CASE STYLE: KK81 PRICE: $4.95 ea. QTY (1-9) Transformer Electrical Specifications RATIO FREQUENCY (MHz) (Secondary/Primary) 2 INSERTION LOSS* 0.07-200 3 dB MHz 2 dB MHz 1 dB MHz 0.07-200 0.1-100 0.5-50 *Insertion Loss is referenced to mid-band loss, 0.4 dB typ. Outline Drawing Typical Performance Data FREQUENCY (MHz) C .23 5.84 D .010 0.25 E .042 1.07 F .020 0.51 G .100 2.54 H .05 1.27 J .05 1.27 K .020 0.51 L .036 0.91 M .26 6.60 N .575 14.61 P .600 15.24 Q .125 3.18 R .050 1.27 S .100 2.54 wt grams 0.50 5.10 12.00 18.12 20.44 17.69 14.99 12.62 10.17 7.77 6.72 T2-1T-KK81 INSERTION LOSS 2.4 INSERTION LOSS (dB) INSERTION LOSS (dB) 3.0 Config. A 2.74 0.94 0.58 0.42 0.51 0.63 0.78 1.02 1.32 1.49 1.8 1.2 0.6 0.0 0 1 2.4 1.8 1.2 0.6 10 0.0 0 FREQUENCY (MHz) T2-1T-KK81 INPUT RETURN LOSS T2-1T-KK81 50 INSERTION LOSS 3.0 RETURN LOSS (dB) B .27 6.86 INPUT R. LOSS (dB) 0.07 0.20 1.00 18.00 38.00 60.00 85.00 120.00 170.00 200.00 Outline Dimensions ( inch mm ) A .30 7.62 INSERTION LOSS (dB) 100 1000 1 40 30 20 10 0 10 0 FREQUENCY (MHz) 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 100 1 10 100 1000 FREQUENCY (MHz) 1000 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. A M98898 T2-1T-KK81 IG/TD/CP 070802