? semiconductor components industries, llc, 2009 august, 2009 ? rev. 6 1 publication order number: mmbd2837lt1/d mmbd2837lt1g, mmbd2838lt1g monolithic dual switching diodes features ? these devices are pb ? free, halogen free/bfr free and are rohs compliant maximum ratings (each diode) rating symbol value unit peak reverse voltage v rm 75 vdc d.c. reverse voltage mmbd2837lt1g mmbd2838lt1g v r 30 50 vdc peak forward current i fm 450 300 madc average rectified current i o 150 100 madc stresses exceeding maximum ratings may damage the device. maximum ratings are stress ratings only. functional operation above the recommended operating conditions is not implied. extended exposure to stresses above the recommended operating conditions may affect device reliability. thermal characteristics rating symbol value unit total device dissipation fr ? 5 board (note 1) t a = 25 c derate above 25 c p d 225 1.8 mw mw/ c thermal resistance, junction ? to ? ambient r ja 556 c/w total device dissipation alumina substrate, (note 2) t a = 25 c derate above 25 c p d 300 2.4 mw mw/ c thermal resistance, junction ? to ? ambient r ja 417 c/w junction and storage temperature t j , t stg ? 55 to +150 c 1. fr ? 5 = 1.0 0.75 0.062 in. 2. alumina = 0.4 0.3 0.024 in. 99.5% alumina. http://onsemi.com sot ? 23 (to ? 236ab) case 318 style 9 marking diagram ?for information on tape and reel specifications, including part orientation and tape sizes, please refer to our t ape and reel packaging specifications brochure, brd8011/d. 1 2 3 3 cathode 2 anode anode 1 xxx = specific device code mmbd2837lt1 ? a5 mmbd2838lt1 ? ma6 m = date code* = pb ? free package device package shipping ? ordering information mmbd2837lt1g sot ? 23 (pb ? free) 3000 tape & reel mmbd2838lt1g sot ? 23 (pb ? free) 3000 tape & reel 1 xxx m *date code orientation and/or overbar may vary depending upon manufacturing location. (note: microdot may be in either location)
mmbd2837lt1g, mmbd2838lt1g http://onsemi.com 2 electrical characteristics (each diode) (t a = 25 c unless otherwise noted) characteristic symbol min max unit off characteristics reverse breakdown voltage (i (br) = 100 adc) mmbd2837lt1g mmbd2838lt1g v (br) 35 75 ? ? vdc reverse voltage leakage current (note 3.) (v r = 30 vdc) mmbd2837lt1g (v r = 50 vdc) mmbd2838lt1g i r ? ? 0.1 0.1 adc diode capacitance (v r = 0 v, f = 1.0 mhz) c t ? 4.0 pf forward voltage (i f = 10 madc) forward voltage (i f = 50 madc) forward voltage (i f = 100 madc) v f ? ? ? 1.0 1.0 1.2 vdc reverse recovery time (i f = i r = 10 madc, i r(rec) = 1.0 madc) (figure 1) t rr ? 4.0 ns 3. for each individual diode while the second diode is unbiased. notes: 1. a 2.0 k variable resistor adjusted for a forward current (i f ) of 10 ma. notes: 2. input pulse is adjusted so i r(peak) is equal to 10 ma. notes: 3. t p ? t rr +10 v 2.0 k 820 0.1 f dut v r 100 h 0.1 f 50 output pulse generator 50 input sampling oscilloscope t r t p t 10% 90% i f i r t rr t i r(rec) = 1.0 ma output pulse (i f = i r = 10 ma; measured at i r(rec) = 1.0 ma) i f input signal figure 1. recovery time equivalent test circuit
mmbd2837lt1g, mmbd2838lt1g http://onsemi.com 3 curves applicable to each cathode figure 2. forward voltage v f , forward voltage (volts) 1.0 10 100 0.1 figure 3. leakage current v r , reverse voltage (volts) 10 0 i 1.0 0.1 0.001 0.01 10 20 30 40 50 i 1.0 1.2 0.2 0.4 0.6 0.8 figure 4. capacitance , forward current (ma) f t a = 85 c t a = -40 c t a = 25 c , reverse current ( a) r t a = 25 c t a = 55 c t a = 85 c t a = 150 c t a = 125 c 1.0 0 v r , reverse voltage (volts) 0.9 0.8 0.7 0.6 c d , diode capacitance (pf) 2468
mmbd2837lt1g, mmbd2838lt1g http://onsemi.com 4 package dimensions sot ? 23 (to236) case 318 ? 18 issue an *for additional information on our pb ? free strategy and soldering details, please download the on semiconductor soldering and mounting techniques reference manual, solderrm/d. soldering footprint* mm inches scale 10:1 0.8 0.031 0.9 0.035 0.95 0.037 0.95 0.037 2.0 0.079 style 9: pin 1. anode 2. anode 3. cathode d a1 3 12 notes: 1. dimensioning and tolerancing per ansi y14.5m, 1982. 2. controlling dimension: inch. 3. maximum lead thickness includes lead finish thickness. minimum lead thickness is the minimum thickness of base material. 4. 318 ? 01 thru ? 07 and ? 09 obsolete, new standard 318 ? 08. view c l 0.25 l1 e e e b a see view c dim a min nom max min millimeters 0.89 1.00 1.11 0.035 inches a1 0.01 0.06 0.10 0.001 b 0.37 0.44 0.50 0.015 c 0.09 0.13 0.18 0.003 d 2.80 2.90 3.04 0.110 e 1.20 1.30 1.40 0.047 e 1.78 1.90 2.04 0.070 l 0.10 0.20 0.30 0.004 0.040 0.044 0.002 0.004 0.018 0.020 0.005 0.007 0.114 0.120 0.051 0.055 0.075 0.081 0.008 0.012 nom max l1 h 2.10 2.40 2.64 0.083 0.094 0.104 h e 0.35 0.54 0.69 0.014 0.021 0.029 c on semiconductor and are registered trademarks of semiconductor components industries, llc (scillc). scillc reserves the right to mak e changes without further notice to any products herein. scillc makes no warranty, representation or guarantee regarding the suitability of its products for an y particular purpose, nor does scillc assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including wi thout limitation special, consequential or incidental damages. ?typical? parameters which may be provided in scillc data sheets and/or specifications can and do vary in different application s and actual performance may vary over time. all operating parameters, including ?typicals? must be validated for each customer application by customer?s technical experts. scillc does not convey any license under its patent rights nor the rights of others. scillc products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the scillc product could create a sit uation where personal injury or death may occur. should buyer purchase or use scillc products for any such unintended or unauthorized application, buyer shall indemnify and hold scillc and its of ficers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, direct ly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that scillc was negligent regarding the design or manufacture of the part. scillc is an equal opportunity/affirmative action employer. this literature is subject to all applicable copyright laws and is not for resale in any manner. mmbd2837lt1/d publication ordering information n. american technical support : 800 ? 282 ? 9855 toll free usa/canada europe, middle east and africa technical support: phone: 421 33 790 2910 japan customer focus center phone: 81 ? 3 ? 5773 ? 3850 literature fulfillment : literature distribution center for on semiconductor p.o. box 5163, denver, colorado 80217 usa phone : 303 ? 675 ? 2175 or 800 ? 344 ? 3860 toll free usa/canada fax : 303 ? 675 ? 2176 or 800 ? 344 ? 3867 toll free usa/canada email : orderlit@onsemi.com on semiconductor website : www.onsemi.com order literature : http://www.onsemi.com/orderlit for additional information, please contact your local sales representative
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