1SMA4728 DAESAN

Document overview

  • Manufacturer or author: Provided By digicamel.com
  • PDF pages: 3

Technical content

Features

  • Glass passivated die construction
  • 1.0W power dissipation
  • 3.3V-330V nominal zener voltage
  • 5% standard V Z tolerance
  • Low inductance
  • For use in voltage regulator or reference
  • Plastic case material UL flammability classification rating 94V-0 Maximum Ratings And Electrical Characteristics (Ratings at 25℃ ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive load. For capacitive load, derate by 20%) Power dissipation at TL= 75℃ (Note1) Forward voltage @ IF = 200mA W Symbols UnitsItems Mechanical Data
  • Case : SMA/DO-214AC, molded plastic
  • Terminals : Solder plated, solderable per MIL-STD-750, method 2026
  • Polarity : Cathode band
  • Marking : Device code
  • Weight : 0.064 grams (approx.)
  • Lead free : For RoHS / Lead free version, add “-LF” suffix to part number, see page 5 PD VF Value Thermal resistance, junction to ambient (Note2) 1.0 V ℃/W 1.2 125RθJA TJ, TSTG ℃-65 to +150Operating and storage temperature range Dimensions in inches and (millimeters) DO-214AC(SMA) 0.050(1.27) 0.075(1.90) 0.157(4.00) 0.181(4.60) 0.189(4.80) 0.209(5.30) 0.006(0.152) 0.096(2.44) 0.090(2.29) 0.115(2.92) 0.03(0.76) 0.06(1.52) 0.002(0.051) 0.008(0.203) ZENER DIODES CURRENT 1.0 W VOLTAGE 3.3 to 330 V NOTES : (1) Mounted on FR-4 PCB with 8.0 x 8.0 x 2.0mm copper pads. (2) Mounted on 25.4 x 21.6 x 1.6mm ceramic substrate with minimum recommended pad layout. R θJL 30Thermal resistance, junction to lead (Note2) https://dec.co.krDAESAN ELECTRONIC CORP. A ll data sheet.com

RATINGS AND CHARACTERISTIC CURVES 1SMA4728 THRU 1SMA4777 1SMA4728 1SMA4729 1SMA4730 1SMA4731 1SMA4732 1SMA4733 1SMA4734 1SMA4735 1SMA4736 1SMA4737 1SMA4738 1SMA4739 1SMA4740 1SMA4741 1SMA4742 1SMA4743 1SMA4744 1SMA4745 1SMA4746 1SMA4747 1SMA4748 1SMA4749 1SMA4750 1SMA4751 1SMA4752 1SMA4753 1SMA4754 1SMA4755 1SMA4756 1SMA4757 1SMA4758 1SMA4759 1SMA4760 1SMA4761 1SMA4762 1SMA4763 1SMA4764 1SMA4765 1SMA4766 1SMA4767 1SMA4768 1SMA4769 1SMA4770 1SMA4771 1SMA4772 1SMA4773 1SMA4774 1SMA4775 1SMA4776 1SMA4777 (V) (Ω) VZ @ IZT Type Number

Electrical Characteristics

(Ratings at 25℃ ambient temperature unless otherwise specified, Single phase, half wave 60Hz, resistive or inductive load. For capacitive load, derate by 20%) (mA) ZZT @ IZT IZK Nominal Zener Voltage IZT (mA) ZZK @ IZK IR @ VR (μA) (V) Maximum Zener Impedance Maximum Leakage Current 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1 100 110 120 130 150 160 180 200 220 240 250 270 300 330 76.0 69.0 64.0 58.0 53.0 49.0 45.0 41.0 37.0 34.0 31.0 28.0 25.0 23.0 21.0 19.0 17.0 15.5 14.0 12.5 11.5 10.5 9.5 8.5 7.5 7.0 6.5 6.0 5.5 5.0 4.5 4.0 3.7 3.3 3.0 2.8 2.5 2.3 2.0 1.9 1.7 1.6 1.4 1.2 1.0 0.9 0.9 0.8 0.8 0.7 9.0 9.0 8.0 7.0 5.0 2.0 3.5 4.0 4.5 5.0 7.0 8.0 9.0 110 125 150 175 200 250 350 450 550 700 1000 1100 1200 1900 1600 1800 2000 2100 2300 2500 Test Current (Ω) 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 1500 1500 1500 2000 2000 2000 2000 3000 3000 3000 4000 4500 5000 6000 6500 7000 9990 8000 8500 9000 9000 9500 9500 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 0.50 0.50 0.50 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 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 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 100 100 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 32.7 35.8 38.8 42.6 47.1 51.7 56.0 62.2 69.2 76.0 83.6 91.2 98.8 114.0 121.6 136.8 152.0 167.2 182.4 190.0 205.0 228.0 205.2 276 252 234 217 193 178 162 146 133 121 110 100 9.0 8.6 7.8 7.0 6.4 5.8 5.2 4.7 4.0 3.8 3.6 3.3 3.0 2.7 1380 1260 1190 1070 970 890 810 730 660 605 550 500 454 414 380 344 304 285 250 225 205 190 170 150 135 125 115 110 I ZSIZM Max DC Zener Current (mA)(mA) Max Surge Current 8.3ms Note : 1. Type numbers listed have standard tolerance on the nominal zener voltage of ± 5% 2. Measured under thermal equilibrium and DC (IZT) test conditions 3. f=1KHz (1) (2) (3) https://dec.co.krDAESAN ELECTRONIC CORP. A ll data sheet.com

FIG.1-POWER DERATING CURVE TL, LEAD TEMPERATURE (℃) FIG.3-DYNAMIC RESISTANCE VS. ZENER CURRENT IZT, ZENER TEST CURRENT (mA) ZZ, DYNAMIC IMPEDANCE (Ω) FIG.2-TYPICAL TEMPERATURE COEFFICIENTS VZ, ZENER VOLTAGE (V) ΘVZ, TEMPERATURE COEFFICIENT (mV/℃) FIG.4-DYNAMIC RESISTANCE VS. ZENER VOLTAGE RATINGS AND CHARACTERISTIC CURVES 1SMA4728 THRU 1SMA4777 0 25 50 75 100 125 150 10000 1000 100 0 50 100 150 200 250 300 500 450 400 350 300 250 200 150 100 1000 100 0.1 1.0 0.8 0.6 0.4 0.2 0.5 1 10 100 500 VZ, ZENER VOLTAGE (V) ZZ, DYNAMIC IMPEDANCE (Ω) PD, POWER DISSIPATION (W) 1 10 100 1000 FIG.5-TYPICAL FORWARD CHARACTERISTICS VF, INSTANTANEOUS FORWARD VOLTAGE (V) FIG.6-JUNCTION CAPACITANCE VS. NOMINAL ZENER VOLTAGE VZ, NOMINAL ZENER VOLTAGE (V) CJ, JUNCTION CAPACITANCE (pF) 1000 100 1.0 0.1 0.01 IF, INSTANTANEOUS FORWARD CURRENT (A) VZ @ IZT TJ=25℃TJ=25℃ IZ(RMS)=0.1IZ(DC) TJ=25℃ f=1MHz TJ=25℃ PULSE WIDTH = 300μs 1% DUTY CYCLE 50% VZ BIAS ZERO BIAS IZT=100mA IZT=5.0mA IZT=10mA IZT=20mAVZ=200V VZ=180V VZ=150V VZ=91V VZ=56V VZ=30V VZ=6.2V MOUNTED ON FR-4 PCB WITH 8.0 x 8.0 x 2.0 mm COPPER PADS https://dec.co.krDAESAN ELECTRONIC CORP. A ll data sheet.com