37.81mm [1.489"] + ic thickness top view side view (section aa) 30.23mm [1.190"] 25.48mm [1.003"] a a a l l t o l e r a n c e s : 0.125mm (unless stated otherwise). materials and specifications are subject to change without notice. status: released drawing: j. glab scale: 1.25:1 rev: a date: 4/9/07 modified: file: SS-QFN20F-01 dwg SS-QFN20F-01 drawing 1 2 6 5 3 page 1 of 4 features directly mounts to target pcb (needs tooling holes) with hardware minimum real estate required compression plate distributes forces evenly clamshell lid compression plate: black anodized aluminum. thickness = 8.5 mm. compression screw: clear anodized aluminum. height = 25 mm, fluted knob pogo pin: plungers - hardened steel/ gold plated barrel - copper alloy/ gold plated spring - stainless steel/ gold wire pogo pin guides: torlon or peek socket base: black anodized aluminum. height = 6 mm. clam shell lid: black anodized aluminum. height = 16.5 mm. socket base screw: socket head cap screw, alloy steel with black oxide finish, 0-80 thread, 3/4" long. 1 m a t e r i a l s : 2 3 4 5 6 7 8 9 pogo pin guide screw: pan head phillips, 18-8 ss, 0-80 thread, 3/16" long. 4 7 latch: black anodized aluminum. customer's pcb 8 9 ? 2007 ironwood electronics, inc. 11351 rupp drive, suite 400, burnsville, mn 55337 tele: (952) 229-8200 www.ironwo odelectronics.com 10 10 ic guide: ultem 1000 12 11 11 12 insulation plate : fr4 0.0625'' (1.59 mm) backing plate : black anodized aluminum
12.475mm 0.125mm 3.00mm 2.00mm 1.250mm 0.125mm (x4) 1.250mm 0.125mm (x4) 9.725mm (x4) ? 0.850mm 0.025mm (x2) non plated alignment hole 0.46 x 0.28mm orientation mark pad (x 20) 3.36mm 3.92mm 1.70mm sqr. 3.00mm 0.40mm typ. 14.725mm non plated mounting hole ? 1.61mm 0.05mm (x4) backing plate size 12.225mm 0.125mm socket body size socket body size 1.88mm page 2 of 4 recommended pcb layout tolerances: 0.025mm [0.001?] unless stated otherwise. r e c o m m e n d e d p c b l a y o u t t o p v i e w t a r g e t p c b r e c o m m e n d a t i o n s total thickness: 1.6mm min. plating: gold or solder finish pcb pad height: same or higher than solder mask status: released drawing: j. glab scale: 4:1 rev: a date: 4/9/07 modified: file: SS-QFN20F-01 dwg SS-QFN20F-01 drawing t a r g e t p c b r e c o m m e n d a t i o n s total thickness: 1.6mm min. plating: gold or solder finish pcb pad height: same or higher than solder mask all dimensions are in mm. ? 2007 ironwood electronics, inc. 11351 rupp drive, suite 400, burnsville, mn 55337 tele: (952) 229-8200 www.ironwo odelectronics.com
dim min max a 0.55 a1 0.05 b 0.20 d e e 3.00 bsc 3.00 bsc 0.4 bsc 20 leads l 0.40 c o m p a t i b l e m l f s p e c d e a a1 e b top view side view bottom view dimensions are in millimeters. interpret dimensions and toleraces per asme y14.5m-1994. l page 3 of 4 t a r g e t p c b r e c o m m e n d a t i o n s total thickness: 1.6mm min. plating: gold or solder finish pcb pad height: same or higher than solder mask status: released drawing: j. glab scale: rev: a date: 4/9/07 modified: file: SS-QFN20F-01 dwg SS-QFN20F-01 drawing ? 2007 ironwood electronics, inc. 11351 rupp drive, suite 400, burnsville, mn 55337 tele: (952) 229-8200 www.ironwo odelectronics.com
page 4 of 4 t a r g e t p c b r e c o m m e n d a t i o n s total thickness: 1.6mm min. plating: gold or solder finish pcb pad height: same or higher than solder mask status: released drawing: j. glab scale: rev: a date: 4/9/07 modified: file: SS-QFN20F-01 dwg SS-QFN20F-01 drawing description: i n s u l a t i o n p l a t e a n d b a c k i n g p l a t e all dimensions are in mm. all tolerences are +/- 0.125mm. (unless stated otherwise) top view side view note: backing plate holes are tapped to accept 0-80 screws. ? 2007 ironwood electronics, inc. 11351 rupp drive, suite 400, burnsville, mn 55337 tele: (952) 229-8200 www.ironwo odelectronics.com 14.73mm 2.50mm 2.50mm 9.725mm 0.025mm (x4) 3.00mm sqr. 5.94mm 1.50mm 3.50mm ? 1.61mm 0.05mm (x4) 1.27mm (x4) 1.59mm 6.35mm insulation plate backing plate 14.73mm
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