PL IA NT CO M *R oH S Features Applications ■ DC to 3 GHz ■ RF amplifiers ■ Terminals for placement on P.C.B. ■ Attenuators ■ Low VSWR ■ Antenna feeds ■ Aluminum Nitride ceramic CHF3725CNP Series 40 W SMT Power RF Chip Termination Characteristic Curve 70 60 50 Power (Watts) General Specifications Substrate .........................................ALN Resistive Film .........................Thick Film Resistance ...................................... 50 Ω Tolerance ........................................±5 % Packaging Tape & Reel ......... 3000 pcs./24 mm tape, 15 ” reel Bulk ................................ 100 pcs./bag 40 30 20 Absolute Ratings Power .............................................40 W Frequency.....................................3 GHz VSWR ............................. 1.25 Maximum 10 0 -55 0 100 150 Heat Sink Temperature (°C) Product Dimensions 0.99 (0.039) 9.39 (0.37) 9.39 (0.37) 6.35 (0.25) 2.99 (0.118) 1.49 (0.059) DIMENSIONS = MILLIMETERS (INCHES) 1.27 (0.05) 1.52 (0.06) GROUND PLANE How To Order Asia-Pacific: Tel: +886-2 2562-4117 Fax: +886-2 2562-4116 Europe: Tel: +41-41 768 5555 Fax: +41-41 768 5510 The Americas: Tel: +1-951 781-5500 Fax: +1-951 781-5700 www.bourns.com CHF 3725 C N P 500 L X E Model Size Version Substrate Mount P = Printed Circuit Board Value 500 = 50 Ohm Function L = Termination Finish X = Ni Au Packaging E = 24 mm Tape & 15 ” Reel (3,000 pcs.) Blank = Bulk (100 pcs./bag) *RoHS Directive 2002/95/EC Jan. 27, 2003 including annex and RoHS Recast 2011/65/EU June 8, 2011. Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications CHF3725CNP Series 40 W SMT Power RF Chip Termination Packaging Dimensions 2.3 ± 0.2 (0.091 = 0.008) 12.0 ± 0.2 (.47 ± .008) 2.0 ± 0.1 (.079 ± .004) 11.5 ± 0.1 (0.45 ± .004) 7.3 ± 0.2 (.287 ± .008) 10.3 ± 0.2 (.405 ± .008) 24 (0.945) 2.0 +0.2/-0 (0.08 +0.008/-0) 380.0 ± 2.0 (15.0 ± 0.80) 21.0 ± 0.2 (0.827 ± 0.008) 80.0 ± 1.0 (3.15 ± 0.04) ORIENTATION OF CHIP 1.75 ± 0.1 (.050 ± .004) 4.0 ± 0.1 (.157 ± .004) 1.5 +0.1/-0 (.056 +.004/-0) MAXIMUM THICKNESS: 0.3 (.012) CUMULATIVE TOLERANCE OVER 10 HOLES: 21.0 ± 0.2 (0.827 ± 0.008) 0.2 (.008) DIMENSIONS: REV. 12/11 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications MM (INCHES) 24.4 + 2.0/-0.0 (0.96 + 0.08/-0.0)