1 surmount tm schottky diodes: cross-over quad series ultra-sm all 600x600um surface-mount chip m/a-com products rev. v3 MADS-002545-1307 series advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.43537383 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. features ? ultra low parasitic capacitance and inductance ? surface mountable in microwave circuits , no wire bonds required ? rugged hmic construction with polyimide scratch protection ? reliable, multilayer metallization with a diffusion ? barrier, 100% stabilization bake (300 c, 16 hours) ? lower susceptibility to esd damage description and applications the MADS-002545-1307 series surmount silicon schottky cross-over quad diodes are fabri- cated with the patented heterolithic microwave inte- grated circuit (hmic) process. hmic circuits consist of silicon pedestals which form diodes or via co nductors em- bedded in a glass dielectric, which acts as the low disper- sion, low loss, microstrip transmission medium. the combi- nation of silicon and glass allows hmic devices to have excellent loss and power dissipation characteristics in a low profile, reliable device. these surmount schottky devices are excellent choices for circuits requiring the small parasitics of a beam lead device coupled with the superior mechanical per- formance of a chip. the surmount structure employs very low resistance silicon vias to connect the schottky contacts to the metalized mounting pads on the bottom surface of the chip. these devices are reliable, repeatable, and a lower cost performance solution to conventional de- vices. they have lower susceptibility to electrostatic discharge than conventional beam lead schottky di- odes. the multi-layer metallization employed in the fabrication of the surmount schottky junctions includes a platinum diffu- sion barrier, which permits all devices to be subjected to a 16- hour non-operating stabilization bake at 300c. the ? 0202 ? outline allows for surface mount placement and multi- functional polarity orientations. the MADS-002545-1307 series is recommended for use in microwave circuits through ku band frequencies for lower power applications such as mix- ers, sub-harmonic mixers, detectors and limiters. the hmic construction facilitates the direct replacement of more fragile beam lead diodes with the corresponding surmount diode, which can be connected to a hard or soft substrate circuit with solder. case style 1307 dim inches millimeters min. max. min. max. a 0.023 0.025 0.575 0.625 b 0.023 0.025 0.575 0.625 c 0.004 0.008 0.102 0.203 d sq. 0.007 0.009 0.175 0.225 e sq. 0.007 0.009 0.175 0.225 top view a b de d c side view MADS-002545-1307 equivalent circuit
2 surmount tm schottky diodes: cross-over quad series ultra-sm all 600x600um surface-mount chip m/a-com products rev. v3 MADS-002545-1307 series advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.43537383 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. model number type recommended frequency range vf @ 1 ma ( mv ) vf @ 1ma ( mv ) ct @ 0v ( pf ) rt slope resistance ( vf1?vf2 ) / ( 10.5ma ? 9.5ma ) ( ) MADS-002545-1307l low barrier dc - 18 ghz 330 max 305 typ 10 max 0.22 max 0.11 typ 11 typical 20 max MADS-002545-1307m medium barrier dc - 18 ghz 470 max 390 typ 10 max 0.22 max 0.11 typ 10 typical 18 max MADS-002545-1307h high barrier dc - 18 ghz 700 max 650 typ 10 max 0.22 max 0.11 typ 9 typical 15 max electrical specificati ons @ + 25 c (measured as single diodes) rt is the dynamic slope resistance where rt = rs + rj where rj =26 / idc ( idc is in ma ) and rs is the ohmic resistance. handling procedures all semiconductor chips should be handled with care to avoid damage or contamination from perspiration and skin oils. the use of plastic tipped tweezers or vacuum pickups is strongly recommended for individual components. the top surface of the die has a protective polyimide coating to minimize damage. the rugged construction of these surmount devices allows the use of standard handling and die attach techniques. it is important to note that industry standard electrostatic discharge (esd) control is required at all times, due to the sensitive nature of schottky junctions. bulk handling should insure that abrasion and mechanical shock are minimized. die bonding die attach for these devices is made simple through the use of surface mount die attach technology. mounting pads are conveniently located on the bottom surface of these devices, and are opposite the active junction. the devices are well suited for high temperature solder attachment onto hard substrates. 80au/20sn and sn63/p b36 solders are acceptable for usage. absolute maximum ratings @ 25 c 1 1. operation of this device abov e any one of these parameters may cause permanent damage. die bonding for hard substrates, we recommend utilizing a vacuum tip and force of 60 to 100 grams applied uniformly to the top surfac e of the device, using a hot gas bonder with equal heat applied across the bottom mounting pads of the device. when soldering to soft substrates, it is recommended to use a lead-tin interface at the circuit board mounting pads. position the die so that its mounting pads are aligned with the circuit board mounting pads. reflow the solder paste by applying equal heat to the circuit at both die-mounting pads. the solder joint must not be made one at a time, creating un-equal heat flow and thermal stress. solder reflow should not be performed by causing heat to flow through the top surface of the die. since the hmic glass is transparent, the edges of the mounting pads can be visually inspected through the die after die attach is completed. parameter absolute maximum operating temperature -40 c to +125 c storage temperature -40 c to +150 c junction temperature +175 c die bonding temperature +320 c for 10 sec. forward current 20 ma reverse voltage l - 10 a l i -5 v i rf c.w. incident power +20 dbm c.w. rf & dc dissipated power 50 mw
3 surmount tm schottky diodes: cross-over quad series ultra-sm all 600x600um surface-mount chip m/a-com products rev. v3 MADS-002545-1307 series advanced: data sheets contain information regarding a product m/a-com technology solutions is considering for development. performance is based on target specifications, simulated results, and/or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product m/a-com technology solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commitment to produce in volume is not guaranteed. ? north america tel: 800.366.2266 ? europe tel: +353.21.244.6400 ? india tel: +91.80.43537383 ? china tel: +86.21.2407.1588 visit www.macomtech.com for addi tional data sheets and product information. m/a-com technology solutions inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. circuit mounting dimensions ( inches ) ordering information part number package MADS-002545-1307lg die in carrier MADS-002545-1307lt tape/reel MADS-002545-1307mg die in carrier MADS-002545-1307mt tape/reel MADS-002545-1307hg die in carrier MADS-002545-1307ht tape/reel 0.012 0.012 0.009 0.012 0.012 0.012 0.012 0.009
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