SMD Zener Diode SMD Diodes Specialist CZRA4728-HF Thru. CZRA4755-HF Voltage: 3.3 to 43 Volts Power: 1.0 Watts RoHS Device Halogen Free DO-214AC/SMA Features 0.196(4.9) 0.180(4.4) -Batch process design, excellent power dissipation offers better reverse leakage current and thermal resistance. -Glass pasisivated chip junction. 0.012(0.3) Typ. 0.106(2.7) 0.091(2.3) -Typical IR less than 0.5µA above 11V. -Standard zener voltage tolerance ±5%. -Low inductance. Mechanical data -Epoxy: UL94-V0 rated flame retardant. 0.068(1.7) 0.060(1.5) -Case: Molded plastic, JEDEC DO-214AC/SMA . 0.032(0.8)Typ. -Terminals: Solder Plated,solderable per MIL-STD-750,method 2026. 0.032(0.8)Typ. -Polarity: Indicated by Cathode band. -Mounting position: Any. Dimensions in inches and (millimeter) -Weight: 0.05 gram(approx.). Maximum Rating And Electrical Characteristics (TA=25°C, unless otherwise noted) Parameter Forward voltage Units VF 1.20 V PD 1000 V 8.3ms single half sine-wave superimposed on rate load (JEDEC method) IFSM 100 A Junction to case RθJC 100 °C/W Junction to ambient RθJA 110 °C/W IF =200 mA DC Power Dissipation Peak surge forward current Symbol MAX. Condition MIN. TYP. Thermal resistance Storge temperature TJ -65 +175 °C Operating temperature TJ -55 +150 °C REV:A QW-JZ003 Page 1 SMD Zener Diode SMD Diodes Specialist Electrical Characteristics ( at TA = 25°C unless otherwise noted) Zener Voltage Part Number Marking Zener Impedance Test Current VZ@IZT IZT Volts mA oHMs Code ZZT @ IZT ZZK @ IZK Leakage Current Surge Current IZK IR VR Isurge oHMs mA uA Volts mA CZRA4728-HF Z3V3 3.3 76 10 400 1.0 100 1.0 1380 CZRA4729-HF Z3V6 3.6 69 10 400 1.0 100 1.0 1260 CZRA4730-HF Z3V9 3.9 64 9 400 1.0 50 1.0 1190 CZRA4731-HF Z4V3 4.3 58 9 400 1.0 10 1.0 1070 CZRA4732-HF Z4V7 4.7 53 8 500 1.0 10 1.0 970 CZRA4733-HF Z5V1 5.1 49 7 550 1.0 10 1.0 890 CZRA4734-HF Z5V6 5.6 45 5 600 1.0 10 2.0 810 CZRA4735-HF Z6V2 6.2 41 2 700 1.0 10 3.0 730 CZRA4736-HF Z6V8 6.8 37 3.5 700 1.0 10 4.0 660 CZRA4737-HF Z7V5 7.5 34 4 700 0.5 10 5.0 605 CZRA4738-HF Z8V2 8.2 31 4.5 700 0.5 10 6.0 550 CZRA4739-HF Z9V1 9.1 28 5 700 0.5 10 7.0 500 CZRA4740-HF Z10 10 25 7 700 0.25 10 7.6 454 CZRA4741-HF Z11 11 23 8 700 0.25 5 8.4 414 CZRA4742-HF Z12 12 21 9 700 0.25 5 9.1 380 CZRA4743-HF Z13 13 19 10 700 0.25 5 9.9 344 CZRA4744-HF Z15 15 17 14 700 0.25 5 11.4 304 CZRA4745-HF Z16 16 15.5 16 700 0.25 5 12.2 285 CZRA4746-HF Z18 18 14 20 750 0.25 5 13.7 250 CZRA4747-HF Z20 20 12.5 22 750 0.25 5 15.2 225 CZRA4748-HF Z22 22 11.5 23 750 0.25 5 16.7 205 CZRA4749-HF Z24 24 10.5 25 750 0.25 5 18.2 190 CZRA4750-HF Z27 27 9.5 35 750 0.25 5 20.6 170 CZRA4751-HF Z30 30 8.5 40 1000 0.25 5 22.8 150 CZRA4752-HF Z33 33 7.5 45 1000 0.25 5 25.4 135 CZRA4753-HF Z36 36 7.0 50 1000 0.25 5 27.4 125 CZRA4754-HF Z39 39 6.5 60 1000 0.25 5 29.7 115 CZRA4755-HF Z43 43 6.0 70 1500 0.25 5 32.7 105 REV:A QW-JZ003 Page 2 SMD Zener Diode SMD Diodes Specialist RATING AND CHARACTERISTIC CURVES (CZRA4728-HF Thru. CZRA4755-HF) FIG 1B. Range for Units 12 to 100 Volts FIG 1A. Range for Units to 12 Volts 100 Temperature Coefficient, (mV/°C) Temperature Coefficient, (mV/°C) 12 10 8 6 4 2 Range 0 -2 VZ@IZT 10 Range VZ@IZT -4 2 3 4 5 6 7 8 9 10 11 1 10 12 50 100 Zener Voltage, (V) Zener Voltage, (V) 175 Temperature Coefficient, (mV/°C) Junction to lead thermal, (mV/°C/W) FIG 2. Temperature Coefficients (-55°C to +150°C temperature change ; 90% of the units are in the ranges indicated.) 150 125 100 75 50 25 0 6 VZ@IZT TA=25 OC 4 20mA 2 1mA -2 Note: Below 3V and above 8V changes in Zener Voltage do not affect temperature -4 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 3 FIG 3. Typical Thermal Resistance Versus Lead 6 8 7 400 Capacitance, (pF) IZ=1mA IZ=5mA IZ=20mA 10 TJ=25°C IZ(ms)=0.1IZ(do) f=60HZ 1 1 5 FIG 4. Effect of Zener Current 1000 100 4 Zener Voltage, (V) Lead length to heat sink, (Inches) Dynamic impedance, (ohms) 0.01mA 0 10 Zener Current,(mA) 100 0V bias 100 1V bias 10 50% of breakdown bias 4 1 10 100 Nominal Vz, (V) REV:A QW-JZ003 Page 3 SMD Zener Diodes SMD Diodes Specialist Reel Taping Specification d P0 P1 T E Index hole F W B P C A 12 o 0 D2 D1 D W1 Trailer Device ....... ....... End ....... ....... Leader ....... ....... ....... ....... 10 pitches (min) Start 10 pitches (min) Direction of Feed DO-214AC (SMA) DO-214AC (SMA) SYMBOL A B C d D D1 D2 (mm) 2.8 ± 0.10 5.00 ± 0.10 1.90 ± 0.10 1.50 ± 0.10 178 ± 2.00 62.0 MIN. 13.0 ± 0.50 (inch) 0.110 ± 0.004 0.197 ± 0.004 0.075 ± 0.004 0.059 ± 0.004 7.008 ± 0.078 2.441 MIN. 0.512 ± 0.008 SYMBOL E F P P0 P1 W W1 (mm) 1.75 ± 0.10 5.50 ± 0.10 4.00 ± 0.10 4.00 ± 0.10 2.00 ± 0.10 12.00 ± 0.30 18.00 ± 1.00 (inch) 0.069 ± 0.004 0.217 ± 0.002 0.157 ± 0.004 0.157 ± 0.004 0.079 ± 0.004 0.472 ± 0.012 0.709 ± 0.040 REV:A Page 4 QW-JZ016 Comchip Technology CO., LTD. SMD Zener Diode SMD Diodes Specialist Suggested PAD Layout D DO-214AC (SMA) SIZE (mm) (inch) A A 3.80 0.150 E B 1.60 0.063 C 2.80 0.110 D 5.40 0.213 E 2.20 0.087 C B Standard Package Qty per Reel Reel Size (Pcs) (inch) 2000 7 Case Type DO-214AC (SMA) REV:A Page 5 QW-JZ003 Comchip Technology CO., LTD.