cmmsh1-20 cmmsh1-20g* cmmsh1-40 cmmsh1-40g* cmmsh1-60 cmmsh1-60g* CMMSH1-100 CMMSH1-100g* surface mount silicon schottky rectifier 1 amp, 20 thru 100 volts description: the central semiconductor cmmsh1 series are high current schottky rectifiers in the sod-123f surface mount package. these devices are suitable for design applications such as ac/dc, dc/dc converters, and reverse battery protection circuits in a variety of portable and battery powered products. maximum ratings: (t a =25c unless otherwise noted) cmmsh1 -20 -40 -60 -100 symbol -20g -40g -60g -100g units peak repetitive reverse voltage v rrm 20 40 60 100 v dc blocking voltage v r 20 40 60 100 v rms reverse voltage v r(rms) 14 28 42 70 v average forward current (t l =75c) i o 1.0 a peak forward surge current (8.3ms) i fsm 30 a power dissipation (note 1) p d 1.14 w operating junction temperature t j -65 to +125 c storage temperature t stg -65 to +150 c thermal resistance ja 88 c/w electrical characteristics: (t a =25c unless otherwise noted) symbol test conditions max units i r v r =rated v rrm 0.50 ma i r v r =rated v rrm , t a =100c 10 ma v f i f =1.0a (cmmsh1-20, -20g) 0.45 v v f i f =1.0a (cmmsh1-40, -40g) 0.55 v v f i f =1.0a (cmmsh1-60, -60g) 0.70 v v f i f =1.0a (CMMSH1-100, -100g) 0.85 v features: ? small size (58% smaller than the sma package) ? 67% lower profile than sma ? greatly improved power dissipation per board area as compared to the sma ? high current, low forward voltage ? thermally efficient flat lead package design marking codes: device code cmmsh1-20 cs20f cmmsh1-40 cs40f cmmsh1-60 cs60f CMMSH1-100 cs100f halogen free devices: device code cmmsh1-20g cs20g cmmsh1-40g cs40g cmmsh1-60g cs60g CMMSH1-100g cs100g notes: (1) fr-4 epoxy pc board with copper mounting pad area of 2.9mm 2 * device is halogen free by design sod-123f case r5 (25-january 2010) www.centralsemi.com
cmmsh1-20 cmmsh1-20g* cmmsh1-40 cmmsh1-40g* cmmsh1-60 cmmsh1-60g* CMMSH1-100 CMMSH1-100g* surface mount silicon schottky rectifier 1 amp, 20 thru 100 volts sod-123f case - mechanical outline lead code: 1) cathode 2) anode marking codes: device code cmmsh1-20 cs20f cmmsh1-40 cs40f cmmsh1-60 cs60f CMMSH1-100 cs100f cmmsh1-20g* cs20g cmmsh1-40g* cs40g cmmsh1-60g* cs60g CMMSH1-100g* cs100g electrical characteristics - continued: (t a =25c unless otherwise noted) symbol test conditions typ units c j v r =4.0v, f=1.0mhz (cmmsh1-20, -20g) 60 pf c j v r =4.0v, f=1.0mhz (cmmsh1-40, -40g) 60 pf c j v r =4.0v, f=1.0mhz (cmmsh1-60, -60g) 50 pf c j v r =4.0v, f=1.0mhz (CMMSH1-100, -100g) 40 pf * device is halogen free by design www.centralsemi.com r5 (25-january 2010)
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