GaAs Schottky Diodes ® TM Low CT Series Pair MS8351 – P2819 Flip Chip GaAs Schottky: Series Pair – Low Capacitance Design Dimensions Size: 28 x 19 mils Thickness: 5 mils Bond Pad Size: 5 x 5 mils Features ● Capacitance (45 fF Typ.) ● Low Series Resistance (7 Typ.) ● Cut-Off Frequency > 500 GHz ● Large Gold Bond Pads Description Specifications @ 25°C (Per Junction) ● VF (1 mA): 600–800 mV ● VF (1 mA): 10 mV Max. ● RS (10 mA): 9 Max. ● IR (3 V): 10 A Max. ● CT (0 V): 60 fF Max. These flip chip devices incorporate Microsemi’s expertise in GaAs material processing, silicon nitride protective coatings and high temperature metallization. They have large, 5 x 5 mil, bond pads for ease of insertion. The MS8351 is priced for high volume commercial and industrial applications. Maximum Ratings Insertion Temperature 250°C for 10 Seconds Incident Power +20 dBm @ 25°C Forward Current 15 mA @ 25°C Reverse Voltage 3V Operating Temperature -55°C to +125°C Storage Temperature -65°C to +150°C Copyright 2008 Rev: 2009-05-11 The MS8351 is a GaAs flip chip series pair Schottky device designed for use as balanced mixer elements at microwave and millimeter wave frequencies. Their high cut-off frequency insures good performance at frequencies to 100 GHz. Applications include: transceivers, digital radios and automotive radar detectors. Microsemi Microwave Products 75 Technology Drive, Lowell, MA. 01851, 978-442-5600, Fax: 978-937-3748 Page 1 GaAs Schottky Diodes ® TM Low CT Series Pair MS8351 – P2819 P2819 DIM INCHES MM MIN. MAX. MIN. MAX. A 0.0275 0.0285 0.698 0.724 B 0.0185 0.0195 0.470 0.495 C 0.0046 0.0056 0.117 0.142 D 0.0046 0.0056 0.117 0.142 E 0.0195 0.0205 0.495 0.521 F 0.0050 0.0060 0.127 0.152 G 0.0045 0.0055 0.114 0.140 H 0.0105 0.0115 0.267 0.292 J 0.0095 0.0105 0.241 0.267 EG VJ BV IBV eV V V A 1.42 0.85 4 1 x 10-5 Spice Model Parameters (Per Junction) IS RS A 3.2 x10-13 7 N 1 TT CJ0 CP Sec pF pF 0 0.025 0.02 M 0.50 IMPORTANT: For the most current data, consult our website: www.MICROSEMI.com Specifications are subject to change. Consult factory for the latest information. 1 The MS8351 Series of products are supplied with a RoHS complaint Gold finish . These devices are ESD sensitive and must be handled using ESD precautions. Copyright 2008 Rev: 2009-05-11 Microsemi Microwave Products 75 Technology Drive, Lowell, MA. 01851, 978-442-5600, Fax: 978-937-3748 Page 2