BZW04-376B

BZW04-5V8(B) / 376(B) SERIES Transient Voltage Suppressor Diodes Voltage Range 5.8 to 376 Volts 400 Watts Peak Power Features a a a a a a a a a UL Recognized File # E-96005 Plastic package has Underwriters Laboratory Flammability Classification 94V-0 Exceeds environmental standards of MIL-STD-19500 400W surge capability at 10 x 1000 us waveform, duty cycle: 0.01% Excellent clamping capability Low zener impedance Fast response time: Typically less than 1.0ps from 0 volts to VBR for unidirectional and 5.0 ns for bidirectional Typical IR less than 1uA above 10V High temperature soldering guaranteed: 260OC / 10 seconds / .375”,(9.5mm) lead length / 5lbs.,(2.3kg) tension DO-41 Mechanical Data a a a Case: Molded plastic Lead: Axial leads, solderable per MIL-STD-202, Method 208 Polarity: Color band denotes cathode except bipolar Weight: 0.34gram a Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics (TA = 25 OC) Type Number Peak Pulse Power Dissipation at TA=25 C, Tp=1ms (Note) O Symbol PPP PD IFSM TJ, TSTG Value Minimum 400 1.7 30 -65 to + 175 Units Watts Watts Amps O Steady State Power Dissipation at TL=75 OC Lead Lengths .375”, 9.5mm (Note 2) Peak Forward Surge Current, 8.3 ms Single Half Sine-wave Superimposed on Rated Load (JEDEC method) (Note 3) Operating and Storage Temperature Range C Notes: For a surge greater than the maximum values, the diode will fall in short-circuit. Thermal Resistances Type Number Junction to leads Junction to ambient on printed circuit. L lead=10mm Symbol R JL R JA Value 60 100 Units O C/W O C/W RATINGS AND CHARACTERISTIC CURVES (BZW04-5V8(B)/376(B)SERIES) FIG.1- PEAK PULSE POWER VERSUS EXPONENTIAL PULSE DURATION Ppp(w) 1E5 TJ Initial=250C 100 FIG.2- PEAK PULSE POWER DISSIPATION VERSUS INITIAL JUNCTION TEMPERATURE (PRINTED CIRCUIT BOARD) % 1E4 80 1E3 60 40 1E2 20 Tp (ms) EXPO. TJ Initial (0C) 1E1 0.001 0.01 0.1 1 10 100 0 0 20 40 60 80 100 120 140 160 180 200 FIG.3- PULSE WAVEFORM 150 PEAK PULSE CURRENT - % tr=10msec. 100 PEAK VALUE lPPM PULSE WIDTH (td) is DEFINED as the POINT WHERE the PEAK CURRENT DECAYS to 50% of lPPM 50 HALF VALUE- lPPM 2 10/1000 sec. WAVEFORM as DEFINED by R.E.A. FIG.4-CLAMPING VOLTAGE VERSUS PEAK PULSE CURRENT. EXPONENTIAL WAVEFORM tp-200 s tp-1ms tp-10m 10,000 VCL(V) BZW04-376 BZW04-213 % IPP 100 TJ Initial=250C 50 0 td 0 tr tp tp