SML4735 THRU SML4763A SURFACE MOUNT GLASS PASSIVATED ZENER Zener Voltage - 6.2 to 91.0 Volts Steady State Power - 1.0 Watt FEATURES DO-214AC 0.065 (1.65) 0.110 (2.79) 0.100 (2.54) 0.049 (1.25) 0.177 (4.50) 0.157 (3.99) 0.012 (0.305) 0.006 (0.152) ♦ Plastic package has Underwriters Laboratory Flammability Classification 94V-0 ♦ For surface mounted applications ♦ Glass passivated chip junction ♦ Low Zener impedance ♦ Low regulation factor ♦ High temperature soldering guaranteed: 250°C/10 seconds at terminals MECHANICAL DATA 0.090 (2.29) 0.078 (1.98) 0.060 (1.52) 0.008 (0.203) MAX. 0.030 (0.76) 0.208 (5.28) 0.194 (4.93) Dimensions are in inches and (millimeters) Case: JEDEC DO-214AC molded plastic over passivated junction Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes positive end (cathode) Mounting Position: Any Weight: 0.002 ounce, 0.064 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25°C ambient temperature unless otherwise specified. OPERATING JUNCTION AND STORAGE TEMPERATURE RANGE: TJ, TSTG: -55°C to +150°C TYPE SML4735 SML4736 SML4737 SML4738 SML4739 SML4740 SML4741 SML4742 SML4743 SML4744 SML4745 SML4746 SML4747 SML4748 SML4749 SML4750 SML4751 SML4752 SML4753 SML4754 SML4755 SML4756 SML4757 SML4758 SML4759 SML4760 SML4761 SML4762 SML4763 DEVICE MARKING CODE 6P2 6P8 7P5 8P2 9P1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75 82 91 NOMINAL ZENER VOLTAGE at IZT VZ MAXIMUM DYNAMIC IMPEDANCE (Volts) TEST CURRENT IZT (mA) ZZT at IZT (Ohms) ZZK at IZK (Ohms) 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 43 47 51 56 62 68 75 82 91 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 2.0 2.0 3.5 4.0 4.5 5.0 7.0 8.0 9.0 10.0 14.0 16.0 20.0 22.0 23.0 25.0 35.0 40.0 45.0 50.0 60.0 70.0 80.0 95.0 110.0 125.0 150.0 175.0 200.0 250.0 700 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 1000 1000 1000 1000 1500 1500 1500 2000 2000 2000 2000 3000 3000 (NOTE 1) NOTES: (1) Standard voltage tolerance is 10%, Suffix A ± 5% (2) Surge current is a non-repetitive, 8.3ms pulse width square wave or equivalent sine-wave superimposed on IZT per JEDEC Method (3) Maximum steady state power dissipation is 1.0 watt at TT=75°C 1/20/99 (mA) IR (µA) VR (Volts) (mApk) MAXIMUM FORWARD VOLTAGE at 200mA VF (Volts) 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 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 50.0 20.0 10.0 10.0 10.0 10.0 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 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 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 69.2 730.0 660.0 605.0 550.0 500.0 454.0 414.0 380.0 344.0 305.0 285.0 250.0 225.0 205.0 190.0 170.0 150.0 135.0 125.0 115.0 110.0 95.0 90.0 80.0 70.0 65.0 60.0 55.0 50.0 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 1.2 MAXIMUM DC REVERSE LEAKAGE CURRENT (NOTE 1) IZK MAXIMUM SURGE CURRENT (NOTE 2) IRM RATINGS AND CHARACTERISTIC CURVES SML4735 THRU SML4763A FIG. 1 - MAXIMUM CONTINUOUS POWER DISSIPATION FIG. 2 - TYPICAL ZENER IMPEDANCE 1,000 Zz, DYNAMIC ZENER IMPEDANCE, OHMS PM(AV), AVERAGE POWER DISSIPATION, WATTS 1.0 60 HZ RESISTIVE OR INDUCTIVE LOAD 0.75 0.5 0.25 0 25 P.C B. MOUNTED ON 0.31 x 0.31 x 0.08” (8 x 8 x 2mm) COPPER AREAS PADS 50 75 100 125 150 TJ=25°C 100 VZ=91V VZ=56V 10 VZ=30V VZ=6.2V 1 0.5 175 500 100 10 IZT, ZENER TEST CURRENT, mA TERMINALS TEMPERATURE, °C FIG. 3 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FOR SML4763 FIG. 4 - TYPICAL REVERSE CHARACTERISTICS 10 INSTANTANEOUS REVERSE CURRENT, MICROAMPERES INSTANTANEOUS FORWARD CURRENT, AMPERES 10 1 PULSE WIDTH=300µs 1% DUTY CYCLE TJ=25°C 0.1 1 TJ=100°C 0.1 TJ=25°C 0.01 0 20 40 60 80 PERCENT OF RATED ZENER VOLTAGE, % 0.01 0.4 0.6 0.8 1.0 1.2 1.4 1.6 INSTANTANEOUS FORWARD VOLTAGE, VOLTS FIG. 5 - TYPICAL TEMPERATURE COEFFICIENTS ΘVZ, TEMPERATURE COEFFICIENT, mV/°C 110 90 TESTED at RATED IZT 70 50 30 10 0 0 10 20 30 40 50 60 70 VZ, ZENER VOLTAGE, VOLTS 80 90 100 100