MMSZ4735A DCCOM | Alldatasheet
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TECHNICAL SPECIFICA TIONS OF SURFACE MOUNT ZENER DIODES MMSZ4735A THRU MMSZ1200A RECTIFIER SPECIALISTSR DC COMPONENTS CO., LTD. FEA TURES * Voltage Range: 6.2V to 200V * Low leakage * Low inductance * High peak reverse power disspation * Glass passivated junction * Build-in strain relief NOTES : 1. TL=Lead temperature at 3/8” (9.5mm) from body. 2. Valid provided that leads are kept at ambient temperature at a distance of 10 mm form case. VOLTAGE RANGE - 6.2 to 200 Volts POWER - 1.0 Watts Dimensions in inches and (millimeters) SOD-123 MECHANICAL DA T A * Case: Molded Plastic * Terminals:Solder plated, solderable per MIL-STD-705, Method 2026 * Polarity: As marked * Mounting position: Any * Weight: 0.008 gram Approx. 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%. SYMBOL VALUE UNITS Maximum Power Dissipation @TL=50oC (Note 1) Ptot 1.0 W Peak pulse current with a 10/1000µs waveform VF 1.2 Volts Maximum Thermal Resistance Junction to Ambient Air RθJA 170 oC/W Junction Temperature Range TJ -55 to +175 oC Storage Temperature Range TSTG -55 to +175 oC Fig. 1 - POWER TEMPERATURE DERATING CURVE 1.2 0.8 0.6 0.4 0.2 0 50 100 150 AMBIENT TEMPERATURE, Ta(oC) POWER DISSIPATION, PD(W) Fig. 2 - TYPICAL THERMAL RESISTANCE VERSUS LEAD LENGTH JUNCTION TO LEAD THERMAL RESISTANCE, (oC/W) LEAD LENGTH TO HEAT SINK, (Inches) 150 125 100 175 Fig. 3 - TEMPERATURE COEFFICIENTS v.s. ZENER VOLTAGE 10 100 ZENER VOLTAGE, Vz, (V) TEMPERATURE COEFFICIENTS, ,θVz (mV/0C) Range .005 (0.12) .110(2.8) .098(2.5) .154(3.9) .141(3.6) .016 (0.4) .071(1.8) .055(1.4) MIN.MAX. .028(0.7) .019(0.5) .008 (0.2) MAX. .053(1.4) .037(1.0)
R DC COMPONENTS CO., LTD. RATING AND CHARACTERISTIC CURVES (MMSZ4735A THRU MMSZ1200A) NOTE: Standard Zener Voltage Tolerance ± 5% Nominal Zener Voltage VZ@IZT Zener Test Current IZT mA Maximum Zener Impedance ZZT@IZT ZZK@IZK Ohms Ohms IZK mA Maximum Reverse Leakage Current IR @VR uA Volts Surge Current @TA=25oC ir mA TYPE Maximum Regulator Current IZM mA PULSE WIDTH, PW, (ms) 100 7.0 5.0 3.0 2.0 1.0 Fig. 4 - MAXIMUM SURGE POWER 11V-91V Non-Repetitive Rectangular Waveform TJ=25 0C Prior to Initial Pulse 5% Duty Cycle 10% Duty Cycle 20% Duty Cycle PEAK SURGE POWER, PPK, (W)