BZW50-18

BZW50 Series Stand-off Zener Voltage: 10 - 180 Volts Peak Power: 5000 Watts FEATURES : * 5000W (10/1000µs) Peak Pulse Power * Excellent clamping capability * Low incremental surge resistance * Fast response time : typically less then 1.0 ps from 0 volt to VBR(min.) * Pb / RoHS Free TRANSIENT VOLTAGE SUPPRESSOR D6 0.360 (9.1) 0.340 (8.6) 1.00 (25.4) MIN. 0.360 (9.1) 0.340 (8.6) MECHANICAL DATA * Case : Molded plastic body * Epoxy : UL94V-O rate flame retardant * Lead : Axial lead solderable per MIL-STD-202, Method 208 guaranteed * Polarity : Color band denotes cathode end * Mounting position : Any * Weight : 2.1 grams 0.052 (1.32) 0.048 (1.22) 1.00 (25.4) MIN. Dimensions in inches and ( millimeters ) MAXIMUM RATINGS Rating at 25 °C ambient temperature unless otherwise specified. Rating Peak pulse power dissipation (1) , TJ initial = Ta Power dissipation on infinite heat sink , Ta = 75ºC Non repetitive surge peak forward current for unidirectional type , tp = 10 ms ,TJ initial = Ta Maximum lead temperature for soldering during 10s at 5mm from case Thermal resistance junction to lead Thermal resistance junction to ambient, L = 10mm Operating and storage temperature range Symbol PPK PD IFSM Value 5000 6.5 500 Unit W W A TL RθJL RθJA TJ, TSTG 230 15 65 - 65 to + 175 ºC ºC/W ºC/W °C Note: (1) For surge greater than the maximum values, the diode will fail in short-circuit. Page 1 of 3 Rev. 02 : March 25, 2005 ELECTRICAL CHARACTERISTICS Rating at 25 °C ambient temperature unless otherwise specified Type No. Unidirectional BZW50-10 BZW50-12 BZW50-15 BZW50-18 BZW50-22 BZW50-27 BZW50-33 BZW50-39 BZW50-47 BZW50-56 BZW50-68 BZW50-82 BZW50-100 BZW50-120 BZW50-150 BZW50-180 Breakdown voltage (Note 1) VBR @ min (V) 11.1 13.3 16.6 20.0 24.4 30.0 36.6 43.3 52.0 62.2 75.6 91.0 111 133 166 200 IR Max. Leakage current @ VRM IRM @ VRM (µA) 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 Clamping voltage 10/1000 µs VCL @ IPP max (V) 18.8 22.0 26.9 32.2 39.4 48.3 59.0 69.4 83.2 99.6 121 145 179 215 269 322 C αT max typ (Note 2) (Note 3) 10-4/ºC 7.8 8.4 8.8 9.2 9.6 .9.8 10 10.1 10.3 10.4 10.5 10.6 10.7 10.8 10.8 10.8 Bidirectional BZW50-10B BZW50-12B BZW50-15B BZW50-18B BZW50-22B BZW50-27B BZW50-33B BZW50-39B BZW50-47B BZW50-56B BZW50-68B BZW50-82B BZW50-100B BZW50-120B BZW50-150B BZW50-180B max (V) 13.6 16.3 20.4 24.4 29.8 36.6 44.7 53.0 63.6 76.0 92.4 111 136 163 204 244 (mA) 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 (V) 10 12 15 18 22 27 33 39 47 56 68 82 100 120 150 180 (A) 266 227 186 155 127 103 85 72 60.1 50 41 34 28 23 19 16 (pF) 24000 18500 13500 1150 8500 7000 5750 4800 4100 3400 3000 2600 2300 1900 1700 1500 Notes: (1) Pulse test : tp < 50 ms. (2) Δ VBR = αT * (Ta - 25) * VBR (25ºC) (3) VR = 0V, f = 1MHz. For Bidirectional types, capacitance value is divided by 2. Page 2 of 3 Rev. 02 : March 25, 2005 RATING AND CHARACTERISTIC CURVES ( BZW50 SERIES ) FIG.1 - PULSE DERATING CURVE FIG.2 - MAXIMUM NON-REPETITIVE PEAK FORWARD SURGE CURRENT 600 PEAK PULSE POW ER OR CURRENT DERATING IN PERCENTAGE, % 120 PEAK FORW ARD SURGE CURRENT, AMPERES 175 100 Peak Power (on printed circuit) 500 80 400 60 300 40 200 Average Power (on infinite heatsink) 20 0 0 25 50 75 100 125 150 100 0 1 2 4 6 10 20 40 60 100 Ta, AMBIENT TEMPERATURE, ( °C) NUMBER OF CYCLES AT 60Hz FIG.3 - STEADY STATE POWER DERATING PD, STEADY STATE POW ER DISSIPATION (W ATTS) 1E7 FIG.4 - PEAK PULSE POWER RATING CURVE 8 PPK , PEAK POW ER (W ATTS) Exponential waveform 1E6 6 1E5 4 1E4 2 1E3 L = 10mm 0 0 25 50 75 100 125 150 175 200 1E2 0.001 0.01 0.1 1 10 100 TL, LEAD TEMPERATURE (°C) tp, PULSE WIDTH (ms) FIG.5 - PULSE WAVEFORM PEAK PULSE CURRENT - % IPPM tr = 10µs 100 Peak Value IPPM Ta=25 °C Pulse Width (td) is defined as that point where the peak current decays to 50% of IPPM 50 Half Value - IPPM 2 10x1000 µs Waveform as defined by R.E.A. tp 0 0 1.0 2.0 3.0 4.0 T, TIME(ms) Page 3 of 3 Rev. 02 : March 25, 2005