DL4728A DC COMPONENTS CO., LTD. R THRU RECTIFIER SPECIALISTS DL4754A TECHNICAL SPECIFICATIONS OF GLASS SILICON ZENER DIODES FEATURES * Voltage Range:3.3V to 39V * Double slug type construction DL-41 MECHANICAL DATA * Case: Glass sealed case * Terminals:Solder plated, solderable per MIL-STD-750, Method 2026 * Polarity: Color band denotes cathode end 5.0±0.2 * Mounting position: Any * Weight: 0.35 gram CATHODE MARK 0.4 2.4+0.1 MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 o C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%. Dimensions in millimeters SYMBOL VALUE UNITS Zener Current see Table "Characterisitics" Power Dissipation at Tamb=25 oC Ptot 1 (1) W Tj 175 o Storage Temperature Range Tstg -55 to + 200 o Thermal Resistance RthA - Junction Temperature C C K/mW Junction to Ambient Air Typ. 170 Min. (1) Max. Volts Forward Voltage VF at IF=200mA - Typ. - Min. 1.2 Max. 1)Valid Provided that leads are kept at ambient temperature at a distance of 10 mm from case. NOTE: Suffix "A" indicates Zener Voltage Tolerance ± 5% 300 EXIT EXI BACK NEXT BACK EXIT NEXT BACK NEXT RATING AND CHARACTERISTIC CURVES (DL4728A THRU DL4754A) Nominal Zener Voltage VZ@IZT Volts DL4728A DL4729A DL4730A DL4731A DL4732A DL4733A DL4734A DL4735A DL4736A DL4737A DL4738A DL4739A DL4740A DL4741A DL4742A DL4743A DL4744A DL4745A DL4746A DL4747A DL4748A DL4749A DL4750A DL4751A DL4752A DL4753A DL4754A Test Maximum Zener Maximum Reverse Max. Surge Maximum IZK Regulator Current Current Impedance Leakage Current Current IR IZT ZZT@IZT ZZT@IZK IR @VR IZM mA Ohms Ohms uA Volts mA mA mA 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 76 69 64 58 53 49 45 41 37 34 31 28 25 23 21 19 17 15.5 14 12.5 11.5 10.5 9.5 8.5 7.5 7.0 6.5 10 10 9.0 9.0 8.0 7.0 5.0 2.0 3.5 4.0 4.5 5.0 7.0 8.0 9.0 10 14 16 20 22 23 25 35 40 45 50 60 400 400 400 400 500 550 600 700 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 1000 1000 1000 1000 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 0.5 0.5 0.5 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 100 100 50 10 10 10 10 10 10 10 10 10 10 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 1.0 1.0 1.0 1.0 1.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 7.6 8.4 9.1 9.9 11.4 12.2 13.7 15.2 16.7 18.2 20.6 22.8 25.1 27.4 29.7 1380 1260 1170 1085 965 890 810 730 660 605 550 500 454 414 380 344 304 285 250 225 205 190 170 150 135 125 115 276 252 234 217 193 178 162 146 133 121 110 100 91 83 76 69 61 57 50 45 41 38 34 30 27 25 23 Admissible power dissipation versus ambient temperature Valid provided that leads are kept at ambient Breakdown characteristics temperature at a distance of 10mm from case W mA 240 1.0 0.8 5V 10V 15V 20V DL47-SERIES 25V 30V 200 Ptot IZ 0.6 160 0.4 120 0.2 80 0 0 27 24 22 20 Tamb 15 12 11 200 C 9V1 o 100 7V5 6V8 6V2 5V6 5V1 4V7 4V3 3V9 3V3 0 VZ DC COMPONENTS CO., LTD. R 301 NEXT NEXT BACK BACK EXIT EXIT