smpz39xb thru smpz3940b www.vishay.com vishay general semiconductor revision: 29-may-12 1 document number: 88482 for technical questions within your region: diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 surface mount power voltage-regulating diodes typical applications for general purpose regulation and protection applications. features ? very low profile - typical height of 1.0 mm ? ideal for automated placement ? low zener impedance ? low regulation factor ? meets msl level 1, per j-st d-020, lf maximum peak of 260 c ? material categorization: for definitions of compliance please see www.vishay.com/doc?99912 mechanical data case: do-220aa (smp) molding compound meets ul 94 v-0 flammability rating base p/n-m3 - halogen-fr ee, rohs-compliant, and commercial grade terminals: matte tin plated leads, solderable per j-std-002 and jesd 22-b102 m3 suffix meets jesd 2 01 class 1a whisker test polarity: color band denotes cathode end notes (1) mounted on pcb with 5.0 mm x 5.0 mm co pper pads attached to each terminal (2) mounted on minimum r ecommended pad layout (3) pulse test: 300 s pulse width, 1 % duty cycle primary characteristics v z 5.6 v to 43 v p tot at t l = 75 c 1500 mw p tot at t l = 25 c 500 mw t j max. 150 c v z specification pulse current int. construction single do-220aa ( s mp) e s mp ? s eries package package name weight molding compound flammability rating moisture sensitivity level soldering conditions do-220aa (smp) 24 mg ul 94 v-0 msl level 1 (according j-std-020) 260 c/10 s at terminals maximum ratings (t a = 25 c unless otherwise noted) parameter symbol value unit power dissipation at t l = 75 c (fig. 1) (1) p tot 1500 mw power dissipation at t a = 25 c (fig. 1) (2) p tot 500 mw maximum instantaneous forward vo ltage at 200 ma for all types (3) v f 1.5 v operating junction and st orage temperature range t j , t stg - 65 to + 150 c
smpz39xb thru smpz3940b www.vishay.com vishay general semiconductor revision: 29-may-12 2 document number: 88482 for technical questions within your region: diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 notes (1) mounted on pcb with 5.0 mm x 5.0 mm copper pad areas attached to each terminal (2) mounted on minimum r ecommended pad layout electrical characteristics symbol parameter v z reverse zener voltage at i zt i zt reverse current z zt maximum zener impedance at i zt i zk reverse current z zk maximum zener impedance at i zk i r reverse leakage current at v r vr reverse voltage i f forward current v f forward voltage at i f i zm maximum dc zener current zener voltage regulator v i f v z v r i r i zt v f electrical characteristics (t a = 25 c unless otherwise noted) part number device marking code zener voltage range test current maximum zener impedance maximum reverse leakage current maximum zener current v z at i zt i zt i zk z zt at i zt z zk at i zk i r at v r i zm vma ? a v ma min. nom. max. max. max. max. max. smpz3919b 19b 5.32 5.6 5.88 66.9 1.0 5.0 700 200 3.0 268 smpz3920b 20b 5.89 6.2 6.51 60.5 1.0 2.0 700 200 4.0 242 SMPZ3921B 21b 6.46 6.8 7.14 55.1 1.0 2.5 400 200 5.2 221 smpz3922b 22b 7.12 7.5 7.88 50.0 0.5 3.0 400 150 6.0 200 smpz3923b 23b 7.79 8.2 8.61 45.7 0.5 3.5 400 50 6.5 183 smpz3924b 24b 8.64 9.1 9.56 41.2 0.5 4.0 500 10 7.0 165 smpz3925b 25b 9.5 10 10.5 37.5 0.25 4.5 500 2.5 8.0 150 smpz3926b 26b 10.5 11 11.6 34.1 0.25 5.5 550 0.5 8.4 136 smpz3927b 27b 11.4 12 12.6 31.2 0.25 6.5 550 0.5 9.1 125 smpz3928b 28b 12.4 13 13.7 28.8 0.25 7.0 550 0.5 9.9 115 smpz3929b 29b 14.3 15 15.8 25 0.25 9.0 600 0.5 11.4 100 smpz3930b 30b 15.2 16 16.8 23.4 0.25 10.0 600 0.5 12.2 94 smpz3931b 31b 17.1 18 18.9 20.8 0.25 12.0 650 0.5 13.7 83 smpz3932b 32b 19.0 20 21 18.7 0.25 14.0 650 0.5 15.2 75 smpz3933b 33b 20.9 22 23.1 17.0 0.25 17.5 650 0.5 16.7 68 smpz3934b 34b 22.8 24 25.2 15.6 0.25 19.0 700 0.5 18.2 63 smpz3935b 35b 25.7 27 28.4 13.9 0.25 23.0 700 0.5 20.6 56 smpz3936b 36b 28.5 30 31.5 12.5 0.25 26.0 750 0.5 22.8 50 smpz3937b 37b 31.4 33 34.7 11.4 0.25 33.0 800 0.5 25.1 45 smpz3938b 38b 34.2 36 37.8 10.4 0.25 38.0 850 0.5 27.4 42 smpz3939b 39b 37.1 39 41 9.6 0.25 45.0 900 0.5 29.7 38 smpz3940b 40b 40.9 43 45.2 8.7 0.25 53.0 950 0.5 32.7 35 thermal characteristics (t a = 25 c unless otherwise noted) parameter symbol limit unit typical thermal resistance, junction to lead (1) r ? jl 50 c/w typical thermal resistance , junction to ambient (2) r ? ja 250 c/w
smpz39xb thru smpz3940b www.vishay.com vishay general semiconductor revision: 29-may-12 3 document number: 88482 for technical questions within your region: diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 ratings and characteristics curves (t a = 25 c unless otherwise noted) fig. 1 - steady state power derating fig. 2 - typical zener voltage fig. 3 - typical zener voltage fig. 4 - typical temperature coefficients ordering information (example) preferred p/n unit weight (g) preferred package code base quantity delivery mode smpz3919b-m3/84a 0.024 84a 3000 7" diameter plastic tape and reel smpz3919b-m3/85a 0.024 85a 10 000 13" diameter plastic tape and reel t a t l 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 0 25 50 75 100 125 150 p tot - maximum power di ss ipation (w) temperature (c) 100 10 1 02 6 10 0.1 v z - zener voltage (v) i z - zener test c u rrent (ma) 15 8 4 379 100 10 1 0204060 0.1 v z - zener voltage (v) i z - zener test c u rrent (ma) 5.0 4.0 3.0 2.0 1.0 0 5.0 6.0 6.5 7.0 v z - temperat u re coefficient (mv/c) v z - zener voltage (v) v z at i zt 5.5
smpz39xb thru smpz3940b www.vishay.com vishay general semiconductor revision: 29-may-12 4 document number: 88482 for technical questions within your region: diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@vishay.com this document is subject to change without notice. the products described herein and this document are subject to specific disclaimers, set forth at www.vishay.com/doc?91000 fig. 5 - typical transient temperature coefficients fig. 6 - typical junction capacitance fig. 7 - typical zener impedance package outline dimensions in inches (millimeters) 50 40 30 20 10 0 0 20304050 v z - temperat u re coefficient (mv/c) v z - zener voltage (v) v z at i zt 10 10 000 1000 100 10 0 100 c j - j u nction capacitance (pf) v br - breakdo w n voltage (v) meas u red at zero bias 10 meas u red at v z/2 1000 100 10 10 15 20 25 30 35 40 45 1 i z = 1 ma i z = 20 ma i z = 10 ma v z - zener voltage (v) z z - dynamic impedance ( ) i z(rms) = 0.1 i z(dc) 0.000 (0.00) 0.012 (0.30) 0.013 (0.35) 0.004 (0.10) 0.01 8 (0.45) 0.006 (0.15) 0.045 (1.15) 0.033 (0. 8 5) 0.036 (0.91) 0.024 (0.61) 0.016 (0.40) 0.032 (0. 8 0) 0.053 (1.35) 0.041 (1.05) 0.012 (0.30) ref. 0.105 (2.67) 0.025 (0.635) 0.100 (2.54) 0.030 (0.762) 0.050 (1.27) cathode band 0.142 (3.61) 0.126 (3.19) 0.15 8 (4.00) 0.146 (3.70) 0.0 8 6 (2.1 8 ) 0.074 (1. 88 ) 0.0 8 7 (2.20) 0.103 (2.60) do-220aa (smp)
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