RECTRON DL4728A THRU DL4764A SEMICONDUCTOR TECHNICAL SPECIFICATION Surface Mount M.E.L.F ZENER DIODE Absolute Maximun Ratings (Ta=25oC) Items Dimensions Symbol Rati ngs Uni t Power D i ssi pati on PTOT 1 W Thermal Resi s. RthJA 170 K/mW 5 % V Tolarance Forward Voltage @If = 100 mA Vf 1.0 Juncti on Temp. TJ -65 to 200 o C Storage Temp. TSTG -65 to 200 o C M.E.L .F. 2.70 2.40 0.60 0.46 2 Places 5.2 4.8 Mechanical Data Items Materials P a cka g e C a se MELF Dimensions in millimeters Hermetically sealed glass Lead Finish Solder Plating Electrical Characteristics (Ta=25oC) Measured with Pulse Tp= 40 msec. ZENER VOLTAGE TYPE MAX ZENER IMPEDANCE @ Izk Vz(V) Izt(mA) Rzt (ohms) D L4728A 3.3 76 10 D L4729A 3.6 69 D L4730A 3.9 64 D L4731A 4.3 D L4732A MAX ZENER IMPEDANCE @ Izk Izt(mA0 Rzk (ohms) Izk(mA0 MAXIMUM REVERSE CURRENT MAXIMUM REGULATOR CURRENT VR (V) IR (uA) IzM(mA) 1.0 100 276 76 400 1.0 10 69 400 1.0 1.0 100 252 9 64 400 1.0 1.0 50 234 58 9 58 400 1.0 1.0 10 217 4.7 53 8 53 500 1.0 1.0 10 193 D L4733A 5.1 49 7 49 550 1.0 1.0 10 178 D L4734A 5.6 45 5 45 600 1.0 2.0 10 162 D L4735A 6.2 41 2 41 700 1.0 3.0 10 146 D L4736A 6.8 37 3.5 37 700 1.0 4.0 10 133 D L4737A 7.5 34 4 34 700 0.5 5.0 10 121 D L4738A 8.2 31 4.5 31 700 0.5 6.0 10 110 D L4739A 9.1 28 5 28 700 0.5 7.0 10 100 D L4740A 10 25 7 25 700 0.25 7.6 10 91 D L4741A 11 23 8 23 700 0.25 8.4 5 83 Electrical Characteristics (Ta=25oC) Measured with Pulse Tp= 40 msec. ZENER VOLTAGE TYPE Vz(V) Izt(mA) MAX ZENER IMPEDANCE @ Izk Rzt (ohms) MAX ZENER IMPEDANCE @ Izk Izt(mA0 Rzk (ohms) Izk(mA0 MAXIMUM REGULATOR CURRENT MAXIMUM REVERSE CURRENT VR (V) IR (uA) IzM(mA) D L4742A 12 21 9 21 700 1.0 9.1 5 76 D L4743A 13 19 10 19 700 1.0 9.9 5 69 D L4744A 15 17 14 17 700 1.0 11.4 5 61 D L4745A 16 15.5 16 15.5 700 1.0 12.2 5 57 D L4756A 18 14 20 14 750 1.0 13.7 5 50 D L4747A 20 12.5 22 12.5 750 1.0 15.2 5 45 D L4748A 22 11.5 23 11.5 750 1.0 16.7 5 41 D L4749A 24 10.5 25 10.5 750 1.0 18.2 5 38 D L4750A 27 9.5 35 9.5 750 1.0 20.6 5 34 D L4751A 30 8.5 40 8.5 1000 0.5 22.8 5 30 D L4752A 33 7.5 45 7.5 1000 0.5 25.1 5 27 D L4753A 36 7.0 50 7.0 1000 0.5 27.4 5 25 D L4754A 39 6.5 60 6.5 1000 0.25 29.7 5 23 D L4755A 43 6.0 70 6.0 1500 0.25 32.7 5 22 D L4756A 47 5.5 80 5.5 1500 0.25 35.8 5 19 D L4757A 51 5.0 95 5.0 1500 0.25 38.8 5 18 D L4758A 56 4.5 110 4.5 2000 0.25 42.6 5 16 D L4759A 62 4.0 125 4.0 2000 0.25 47.1 5 14 D L4760A 68 3.7 150 3.7 2000 0.25 51.7 5 13 D L4761A 75 3.3 175 3.3 2000 0.25 56.0 5 12 D L4762A 82 3 200 3 3000 0.25 62.2 5 11 D L4763A 91 2.8 250 2.8 3000 0.25 69.2 5 10 D L4764A 100 350 2.5 3000 0.25 76.0 5 9 2.5