Surface Mount T8-1T+ T8-1T RF Transformer 50 0.3 to 140 MHz Features Maximum Ratings Operating Temperature Storage Temperature -20C to 85C -55C to 100C RF Power 0.25W DC Current 30mA Permanent damage may occur if any of these limits are exceeded. * good return loss * also available with surface mount gull wing (KK81) plug-in (X65) leads CASE STYLE: W38 PRICE: $7.95 ea. QTY (1-9) +RoHS Compliant Applications The +Suffix identifies RoHS Compliance. See our web site for RoHS Compliance methodologies and qualifications * VHF receivers/transmitters * impedance matching Pin Connections PRIMARY DOT 4 PRIMARY 6 SECONDARY DOT 3 SECONDARY 1 SECONDARY CT 2 NOT USED 5 Transformer Electrical Specifications RATIO FREQUENCY (MHz) 8 Outline Drawing INSERTION LOSS* 0.3-140 3 dB MHz 2 dB MHz 1 dB MHz 0.3-140 0.7-90 1-60 *Insertion Loss is referenced to mid-band loss, 0.4 dB typ. Typical Performance Data FREQUENCY (MHz) B .27 6.86 C .23 5.84 D .010 0.25 E .042 1.07 G .100 2.54 H .05 1.27 J .09 2.29 K .31 7.87 L wt .036 grams 0.91 0.50 F .020 0.51 T8-1T INSERTION LOSS 0.66 0.57 0.42 0.40 0.46 0.56 0.67 0.80 0.94 1.15 15.02 16.74 18.05 17.12 8.63 5.31 4.11 3.35 2.87 2.40 0.5 0.0 0 1 10 1.5 RETURN LOSS (dB) INSERTION LOSS (dB) INSERTION LOSS (dB) 1.0 1.0 0.5 0.0 0 FREQUENCY (MHz) T8-1T INPUT RETURN LOSS T8-1T 25 INSERTION LOSS 1.5 Config. A INPUT R. LOSS (dB) 0.30 0.78 2.87 10.54 49.74 81.07 97.98 114.26 126.99 140.00 Outline Dimensions ( inch mm ) A .30 7.62 INSERTION LOSS (dB) 20 15 10 5 0 100 1000 1 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 T8-1T IG/TD/CP 070802