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features n industry standard surface mount packages n low capacitance diodes n low resistance diodes n low loss switch diodes n high isola tion switch diodes n low distortion attenuator diodes n fast switching diodes n single and dual diode configurations n tape and reel pac kaging description m/a - com offers six unique pin diodes in five industry standard, low cost, surface mount plastic packages. w ithin this series, the pin diodes offered, feature a variety of low resistance, low capacitance and long minority carrier lifetime characteristics. the ma4p275 has the lowest series resistance for series insertion loss and shunt isolation switches. the ma4p789 has the lowest capacitance and offers the highest isolation in series and series - shunt switches through 3 ghz. the ma4p277 and ma4p278 pin diodes have longer intrinsic layers to produce better distortion performance in attenuators. the ma4p28 2 and ma4p274 are general - purpose pin diodes useful in either switches or attenuators. these parts are available as single diod es, series pairs ( st ) , reverse series pairs ( str ) , common cathode pairs ( ck ) , common anode pairs ( ca ) , and unconnect ed pairs in the featured packages. the smpp series of pin diodes is available in the sot - 23 (case style 287), the sot - 143 (case style 1068), the sot - 323 (case style 1146) , the sod - 323 (case style 1141) , and the sc - 79 (case style 1279) packages. these p ackages are supplied on tape and reel for automatic pick and place assembly on surface mount circuit boards. the tape and reel suffix designation is a ?t? at the end of the part number. surface mount plastic pin diodes smpp series v 4.00 absolute maximum ratings @ 25c package outlines sot - 23 s c - 79 sot - 143 sod - 323 3 2 1 3 2 1 2 1 3 4 1 2 sot - 323 configurations (top view) common cathode 3 1 2 single single common anode unconnected pair 3 2 1 3 2 1 series pair series pair reverse parameter absolute maximum operating temperature - 65 c to +150 c storage temperature - 65 c to +150 c total ( rf + dc ) power dissipation @+25 c ambient sot - 23, sot - 143 sot - 323, sod - 323, sc - 79 250 mw 150 mw reverse voltage voltage rating forward current 100 ma dc
surface mount plastic pin diodes smpp series specifications subject to change without notice. n north america: tel. (800) 366 - 2266 n asia/pacific: tel.+ 81 - 44 - 844 - 8296 , fax + 81 - 44 - 844 - 8298 n europe: tel. +44 (1344) 869 595, fax+44 (1344) 300 020 visit www.macom.com for additional data sheets and product information. electrical specifications @ 25 c ? sot - 23 single diode nominal characteristics sot - 23 model number reverse voltage v r 1 (volts) maximum r s @ 10 ma 3 (ohms) carrier lifetime 4 ( m s) i - region thickness (mils) ls = 1.4 nh cpkg = 0.12 pf ma4p275 - 287t 75 1.00 @ 20v 0.5 0.2 0.4 ma4p789 - 287t 75 0.35 @ 20v 1.5 0.2 0.4 ma4p282 - 287t 100 1.20 @ 20v 0.6 1.0 0.8 ma4p274 - 287t 100 0.35 @ 50v 3.0 1.0 2.0 ma4p277 - 287t 200 0.35 @ 50v 6.0 2.0 4.0 ma4p278 - 287t 200 0.35 @ 50v 10.0 3.0 7.0 maximum total capacitance 2 (pf) 2 sot - 23 sot - 23 common cathode sot - 23 series pair 5 each diode reverse voltage v r 1 (volts) each diode maximum total capacitance 2 (pf) each diode maximum r s @ 10 ma 3 (ohms) nominal characteristics sot - 23 model number each diode carrier lifetime 4 ( m s) each diode i - region thickness (mils) ls = 1.4 nh cpkg = 0.12 pf ma4p275ck - 287t 75 1.00 @ 20v 0.5 0.2 0.4 ma4p789ck - 287t 75 0.35 @ 20v 1.5 0.2 0.4 ma4p282ck - 287t 100 1.20 @ 20v 0.6 1.0 0.8 ma4p274ck - 287t 100 0.35 @ 50v 3.0 1.0 2.0 each diode reverse voltage v r 1 (volts) each diode maximum total capacitance 2 (pf) each diode maximum r s @ 10 ma 3 (ohms) nominal characteristics sot - 23 model number each diode carrier lifetime 4 ( m s) each diode i - region thickness (mils) ls = 1.4 nh cpkg = 0.12 pf ma4p275st - 287t 75 1.00 @ 20v 0.5 0.2 0.4 ma4p789st - 287t 75 0.35 @ 20v 1.5 0.2 0.4 ma4p274st - 287t 100 0.35 @ 50v 3.0 1.0 2.0 ma4p282st - 287t 100 1.20 @ 20v 0.6 1.0 0.8
surface mount plastic pin diodes smpp series specifications subject to change without notice. n north america: tel. (800) 366 - 2266 n asia/pacific: tel.+ 81 - 44 - 844 - 8296 , fax + 81 - 44 - 844 - 8298 n europe: tel. +44 (1344) 869 595, fax+44 (1344) 300 020 visit www.macom.com for additional data sheets and product information. each diode maximum total capacitance 2 (pf) each diode maximum r s @ 10 ma 3 (ohms) nominal characteristics sot - 23 model number each diode carrier lifetime 4 ( m s) each diode i - region thickness (mils) ls = 1.4 nh cpkg = 0.12 pf ma4p275ca - 287t 75 1.00 @ 20v 0.5 0.2 0.4 ma4p789ca - 287t 75 0.35 @ 20v 1.5 0.2 0.4 ma4p282ca - 287t 100 1.20 @ 20v 0.6 1.0 0.8 ma4p274ca - 287t 100 0.35 @ 50v 3.0 1.0 2.0 ma4p277ca - 287t 200 0.35 @ 50v 6.0 2.0 4.0 each diode reverse voltage v r 1 (volts) ma4p278ca - 287t 200 0.35 @ 50v 10.0 3.0 7.0 sot - 23 common anode 3 sot - 23 (cont?d) 1. the reverse current will not exceed 10 m a at the reverse voltage rating. 2. maximum total capacitance is measured at 1 mhz at the i ndicated voltage. 3. maximum series resistance is measured at the specified current and a frequency of 100 mhz. 4. nominal minority li fetime is measured at i f = 10 ma, i r = 6ma, 90% recovery. 5. also available as reverse polarity series pairs. designated as ?ma4p27 5str - 287?, etc. sot - 323 electrical specifications @ 25 c ? sot - 3 23 single diode reverse voltage v r 1 (volts) maximum total capacitance 2 (pf) maximum r s @ 10 ma 3 (ohms) nominal characteristics sot - 323 model number carrier lifetime 4 ( m s) i - region thickness (mils) ls = 1.3 nh cpkg = 0.12 pf ma4p275 - 1146t 75 1.00 @ 20v 0.5 0.2 0.4 ma4p789 - 1146t 75 0.35 @ 20v 1.5 0.2 0.4 ma4p282 - 1146t 100 1.20 @ 20v 0.6 1.0 0.8 ma4p274 - 1146t 100 0.35 @ 50v 3.0 1.0 2.0 ma4p277 - 1146t 200 0.35 @ 50v 6.0 2.0 4.0 ma4p278 - 1146t 200 0.35 @ 50v 10.0 3.0 7.0
surface mount plastic pin diodes smpp series specifications subject to change without notice. n north america: tel. (800) 366 - 2266 n asia/pacific: tel.+ 81 - 44 - 844 - 8296 , fax + 81 - 44 - 844 - 8298 n europe: tel. +44 (1344) 869 595, fax+44 (1344) 300 020 visit www.macom.com for additional data sheets and product information. each diode reverse voltage v r 1 (volts) each diode maximum total capacitance 2 (pf) each diode maximum r s @ 10 ma 3 (ohms) nominal characteristics sot - 323 model number each diode carrier lifetime 4 ( m s) each diode i - region thickness (mils) ls = 1.3 nh cpkg = 0.12 pf ma4p275ck - 1146t 75 1.00 @ 20v 0.5 0.2 0.4 ma4p789ck - 1146t 75 0.35 @ 20v 1.5 0.2 0.4 ma4p274ck - 1146t 100 0.35 @ 50v 3.0 1.0 0.2 sot - 323 common cathode sot - 323 (cont?d) 1. the reverse current will not exceed 10 m a at the reverse voltage rating. 2. maximum total capacitance is measured at 1 mhz at the i ndicated voltage. 3. maximum series resistance is measured at the specified current and a frequency of 100 mhz. 4. nominal minority li fetime is measured at i f = 10 ma, i r = 6ma, 90% recovery. 5. also available as reverse polarity series pairs. designated as ?ma4p27 5str - 1146?, etc. sot - 323 common anode reverse voltage v r 1 (volts) maximum total capacitance 2 (pf) maximum r s @ 10 ma 3 (ohms) nominal characteristics sot - 323 model number carrier lifetime 4 ( m s) i - region thickness (mils) ls = 1.3 nh cpkg = 0.12 pf ma4p275ca - 1146t 75 1.00 @ 20v 0.5 0.2 0.4 ma4p789ca - 1146t 75 0.35 @ 20v 1.5 0.2 0.4 ma4p274ca - 1146t 100 0.35 @ 50v 3.0 1.0 2.0 sot - 323 series pair 5 each diode reverse voltage v r 1 (volts) each diode maximum total capacitance 2 (pf) each diode maximum r s @ 10 ma 3 (ohms) nominal characteristics sot - 323 model number each diode carrier lifetime 4 ( m s) each diode i - region thickness (mils) ls = 1.3 nh cpkg = 0.12 pf ma4p275st - 1146t 75 1.00 @ 20v 0.5 0.2 0.4 ma4p789st - 1146t 75 0.35 @ 20v 1.5 0.2 0.4 ma4p274st - 1146t 100 0.35 @ 50v 3.0 1.0 2.0 4
surface mount plastic pin diodes smpp series specifications subject to change without notice. n north america: tel. (800) 366 - 2266 n asia/pacific: tel.+ 81 - 44 - 844 - 8296 , fax + 81 - 44 - 844 - 8298 n europe: tel. +44 (1344) 869 595, fax+44 (1344) 300 020 visit www.macom.com for additional data sheets and product information. nominal characteristics sot - 323 model number reverse voltage v r 1 (volts) maximum r s @ 10 ma 3 (ohms) carrier lifetime 4 ( m s) i - region thickness (mils) ls = 1.2 nh cpkg = 0.11 pf ma4p275 - 1141t 75 1.00 @ 20v 0.5 0.2 0.4 ma4p789 - 1141t 75 0.35 @ 20v 1.5 0.2 0.4 ma4p282 - 1141t 100 1.20 @ 20v 0.6 1.0 0.8 ma4p274 - 1141t 100 0.35 @ 50v 3.0 1.0 2.0 ma4p277 - 1141t 200 0.35 @ 50v 6.0 2.0 4.0 ma4p278 - 1141t 200 0.35 @ 50v 10.0 3.0 7.0 maximum total capacitance 2 (pf) 5 sot - 143 electrical specifications @ 25 c ? so t - 143 unconnected pair maximum total capacitance 2 (pf) nominal characteristics sot - 143 model number reverse voltage v r 1 (volts) maximum r s @ 10 ma 3 (ohms) carrier lifetime 4 ( m s) i - region thickness (mils) ls = 1.2 nh cpkg = 0.14 pf ma4p275 - 1068t 75 1.00 @ 20v 0.5 0.2 0.4 ma4p789 - 1068t 75 0.35 @ 20v 1.5 0.2 0.4 ma4p274 - 1068t 100 0.35 @ 50v 3.0 1.0 2.0 1. the reverse current will not exceed 10 m a at the reverse voltage rating. 2. maximum total capacitance is measured at 1 mhz at the i ndicated voltage. 3. maximum series resistance is measured at the specified current and a frequency of 100 mhz. 4. nominal minority li fetime is measured at i f = 10 ma, i r = 6ma, 90% recovery. electrical specifications @ 25 c ? so d - 3 23 single diode 1. the reverse current will not exceed 10 m a at the reverse voltage rating. 2. maximum total capacitance is measured at 1 mhz at the i ndicated voltage. 3. maximum series resistance is measured at the specified current and a frequency of 100 mhz. 4. nominal minority li fetime is measured at i f = 10 ma, i r = 6ma, 90% recovery. sod - 323
surface mount plastic pin diodes smpp series specifications subject to change without notice. n north america: tel. (800) 366 - 2266 n asia/pacific: tel.+ 81 - 44 - 844 - 8296 , fax + 81 - 44 - 844 - 8298 n europe: tel. +44 (1344) 869 595, fax+44 (1344) 300 020 visit www.macom.com for additional data sheets and product information. maximum total capacitance 2 (pf) nominal characteristics sc - 79 model number reverse voltage v r 1 (volts) maximum r s @ 10 ma 3 (ohms) carrier lifetime 4 ( m s) i - region thickness (mils) ls = 0.6 nh cpkg = 0.10 pf ma4p275 - 1279t 75 1.00 @ 20v 0.5 0.2 0.4 ma4p789 - 1279t 75 0.35 @ 20v 1.5 0.2 0.4 ma4p274 - 1279t 100 0.35 @ 50v 3.0 1.0 2.0 ma4p277 - 1279t 200 0.35 @ 50v 6.0 2.0 4.0 6 electrical specifications @ 25 c ? sc - 79 single diode 1. the reverse current will not exceed 10 m a at the reverse voltage rating. 2. maximum total capacitance is measured at 1 mhz at the i ndicated voltage. 3. maximum series resistance is measured at the specified current and a frequency of 100 mhz. 4. nominal minority li fetime is measured at i f = 10 ma, i r = 6ma, 90% recovery. sc - 79
surface mount plastic pin diodes smpp series specifications subject to change without notice. n north america: tel. (800) 366 - 2266 n asia/pacific: tel.+ 81 - 44 - 844 - 8296 , fax + 81 - 44 - 844 - 8298 n europe: tel. +44 (1344) 869 595, fax+44 (1344) 300 020 visit www.macom.com for additional data sheets and product information. typical forward resistance vs dc bias current curves @ 100 mhz resistance vs forward current (ma4p282 series) resistance vs forward current (ma4p789 series) resistance vs forward current (ma4p277 series) 7 resistance vs forward current (ma4p278 series) resistance vs forward current (ma4p275 series) resistance vs forward current (ma4p274 series) 0.1 1 10 100 1000 10000 forward bias current series resistance, r s (ohms) 1 m a 10 m a 100 m a 1ma 10m a 100ma 0.1 1 10 100 1000 10000 forward bias current series resistance, r s (ohms) 1 m a 10 m a 100 m a 1ma 10m a 100ma 0.1 1 10 100 1000 10000 forward bias current series resistance, r s (ohms) 1 m a 10 m a 100 m a 1ma 10m a 100ma 1 10 100 1000 10000 100000 forward bias current series resistance, r s (ohms) 1 m a 10 m a 100 m a 1ma 10m a 100ma 0.1 1 10 100 1000 10000 forward bias current series resistance, r s (ohms) 1 m a 10 m a 100 m a 1ma 10m a 100ma 0.1 1 10 100 1000 10000 forward bias current series resistance, r s (ohms) 1 m a 10 m a 100 m a 1ma 10m a 100ma
surface mount plastic pin diodes smpp series specifications subject to change without notice. n north america: tel. (800) 366 - 2266 n asia/pacific: tel.+ 81 - 44 - 844 - 8296 , fax + 81 - 44 - 844 - 8298 n europe: tel. +44 (1344) 869 595, fax+44 (1344) 300 020 visit www.macom.com for additional data sheets and product information. 8 mounting information the illustration indicates the recommended mounting pad configuration for the sot - 23, sot - 323 , sod - 323, sot - 143, and sc - 79 packages. solder paste containing flux should be screened onto the pads to a thickness of 0.005 - 0.007 inches . the plastic package device is placed in position, firmly adhering to the solder past. permanent attachment is performed by a reflow soldering procedure during which the tab temperature does not exceed +275 c and the body temperature does not exceed +25 0 c. pin diode cross reference many of m/a - com?s glass axial lead hermetic surface mount and plastic pin diodes use similar chips and , therefore, have the same electrical characteristics, except for package parasitics. the following table lists the sot - 23, sot - 323 and sod - 323 pin diodes by model number and standard axial lead pin diode and the equivalent square surface mount (smq) pin diodes. sot - 23 diodes axial lead glass diodes smq diodes ma4p274 - 287t ma47123 ma4ph236 ma4p275 - 287t ma4p270 ma4ph235 ma4p277 - 287t ma47110 ma4ph238 ma4p278 - 287t ma47100 ? ma4p282 - 287t ma4ph151 ? ma4p789 - 287t ma4ph401 ? sot - 323 diodes axial lead glass diodes smq diodes ma4p274 - 1146t ma47123 ma4ph236 ma4p275 - 1146t ma4p270 ma4ph235 ma4p277 - 1146t ma47110 ma4ph238 ma4p278 - 1146t ma47100 ? ma4p282 - 1146t ma4ph151 ? ma4p789 - 1146t ma4ph401 ? sod - 323 diodes axial lead glass diodes smq diodes ma4p274 - 1141t ma47123 ma4ph236 ma4p275 - 1141t ma4p270 ma4ph235 ma4p277 - 1141t ma47110 ma4ph238 ma4p278 - 1141t ma47100 ? ma4p282 - 1141t ma4ph151 ? ma4p789 - 1141t ma4ph401 ? sot - 23 0.75 1.9 .037 0.95 .035 0.90 .090 2.2 .030 0.80 inches mm dimenstions: min. min. so d - 3 23 sot - 3 23 0.030 0.80 0.030 0.80 0.030 0.80 0.075 1.9 0.030 0.80 inches mm dimenstions: 0.030 0.80 .090 2.2 0.030 0.80 inches mm dimenstions: 0.030 0.80
surface mount plastic pin diodes smpp series specifications subject to change without notice. n north america: tel. (800) 366 - 2266 n asia/pacific: tel.+ 81 - 44 - 844 - 8296 , fax + 81 - 44 - 844 - 8298 n europe: tel. +44 (1344) 869 595, fax+44 (1344) 300 020 visit www.macom.com for additional data sheets and product information. sot - 143 sc - 79 0.020 0.50 0.053 1.35 inches mm dimenstions: 0.020 0.50 0.035 0.89 0.115 2.92 0.045 1.17 0.045 1.14 0.030 0.76 inches mm dimenstions: 0.045 1.14 0.106 2.69 0.031 0.79 case styles sot - 23 case style 287 sot - 23 (case style 287) inches millimeters dim. min. max. min. max. a ? 0.048 ? 1.22 b ? 0.008 ? 0.20 c ? 0.040 ? 1.00 d 0.013 0.020 0.35 0.50 e 0.003 0.006 0.08 0.15 f 0.110 0.119 2.80 3.00 g 0.047 0.056 1.20 1.40 h 0.037 typical 0.95 typical j 0.075 typical 1.90 typical k ? 0.103 ? 2.60 l ? 0.024 ? 0.60 dim. gradient m 10 max. 1 n 2 . . .30 f d h j a g l c e b k n m note: 1. applicable on all sides 9 sot - 3 23 case style 1146 sot - 3 23 (case style 1146 ) inches millimeters dim. min. max. min. max. a 0.0 6 3 0.0 87 1.6 2 . 2 b 0.04 5 0.0 53 1.15 1.35 c 0.0 79 0.0 87 2.0 2.2 d 0.0 47 0.0 55 1.2 1.4 e 0.00 8 0.0 16 0. 2 0. 4 f 0. 031 0. 03 9 0.8 1. 0 g ? 0.0 04 ? 0.1 h 0.0 03 0. 08 j 0.0 04 0.1 0.0 06 0.010 0.15 0.25 a e d j h g f 10 max. c b
surface mount plastic pin diodes smpp series specifications subject to change without notice. n north america: tel. (800) 366 - 2266 n asia/pacific: tel.+ 81 - 44 - 844 - 8296 , fax + 81 - 44 - 844 - 8298 n europe: tel. +44 (1344) 869 595, fax+44 (1344) 300 020 visit www.macom.com for additional data sheets and product information. g j e k a h m c f b l p n d 10 case styles (cont?d) so d - 3 23 case style 1141 so d - 3 23 (case style 1141 ) inches millimeters dim. min. max. min. max. a ? 0.0 43 ? 1.1 b ? 0.0 04 ? 0.1 c ? 0.0 08 ? 0.2 d 0.0 10 0.0 16 0.25 0.4 e 0.00 3 0.0 06 0. 08 0. 15 f 0. 063 0. 075 1.6 1.9 g 0. 045 0.0 57 1.15 1.45 h 0.0 91 0. 106 2.3 2.7 f d h g c e a b sot - 143 case style 1068 sot - 143 (case style 1068) inches millimeters dim. min. max. min. max. a ? 0.044 ? 1.10 b ? 0.00 4 ? 0.1 0 c ? ? d 0.013 0.020 0.3 5 0.5 0 e 0.030 0.035 0.7 5 0.90 f 0.003 0.006 0.08 0.15 g 0.1 10 0.1 19 2. 80 3. 0 0 h 0.047 0.056 1.2 0 1.40 j 0.075 typical 1.90 typical k 0.0 7 5 typical 1. 9 0 typical l ? 0.103 ? 2.6 m ? ? dim. gradient m 10 max. 1 n 2 . . . 30 0.0 40 0. 024 1.00 0.6 note: 1. applicable on all sides
surface mount plastic pin diodes smpp series specifications subject to change without notice. n north america: tel. (800) 366 - 2266 n asia/pacific: tel.+ 81 - 44 - 844 - 8296 , fax + 81 - 44 - 844 - 8298 n europe: tel. +44 (1344) 869 595, fax+44 (1344) 300 020 visit www.macom.com for additional data sheets and product information. 11 case styles (cont?d) sc - 79 case style ods - 1279 sc - 79 (case style 1279 ) inches millimeters dim. min. max. min. max. a 0.0 20 0.0 28 0. 50 0.71 b 0.0 03 0.0 08 0.0 8 0.20 c 0.0 06 0.0 10 0. 15 0.25 d 0.0 10 0.0 14 0.25 0.36 e 0.0 59 0.0 67 0. 08 0. 15 f 0. 043 0. 051 1.50 1.30 g 0. 011 0.0 12 0.28 0.30 h 0.0 37 0. 043 0.94 1.09 d e f cathode mark b c seating plane 10 max a 10 max g h topview

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