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SA20CA Dataheets PDF



Part Number SA20CA
Manufacturers Fairchild Semiconductor
Logo Fairchild Semiconductor
Description Transient Voltage Supressors
Datasheet SA20CA DatasheetSA20CA Datasheet (PDF)

SA5.0(C)A - SA170(C)A SA5.0(C)A - SA170(C)A Features • Glass passivated junction. • 500W Peak Pulse Power capability on 10/1000 µs waveform. • Excellent clamping capability. • Low incremental surge resistance. • Fast response time; typically less than 1.0 ps from 0 volts to BV for unidirectional and 5.0 ns for bidirectional. • Typical IR less than 1.0 µA above 10V. DO-15 COLOR BAND DENOTES CATHODE EXCEPT BIPOLAR DEVICES FOR BIPOLAR APPLICATIONS - Bidirectional types use CA suffix. - Electric.

  SA20CA   SA20CA



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SA5.0(C)A - SA170(C)A SA5.0(C)A - SA170(C)A Features • Glass passivated junction. • 500W Peak Pulse Power capability on 10/1000 µs waveform. • Excellent clamping capability. • Low incremental surge resistance. • Fast response time; typically less than 1.0 ps from 0 volts to BV for unidirectional and 5.0 ns for bidirectional. • Typical IR less than 1.0 µA above 10V. DO-15 COLOR BAND DENOTES CATHODE EXCEPT BIPOLAR DEVICES FOR BIPOLAR APPLICATIONS - Bidirectional types use CA suffix. - Electrical Characteristics apply in both directions. 1.0 min (25.4) Dimensions in inches (mm) 0.300 (7.62) 0.230 (5.84) 0.140 (3.56) 0.104 (2.64) 0.034 (0.86) 0.028 (0.71) 500 Watt Transient Voltage Suppressors Absolute Maximum Ratings* TA = 25°C unless otherwise noted Symbol Parameter Value PPPM IPPM PM(AV) if(surge) Tstg TJ Peak Pulse Power Dissipation on 10/1000 µs waveform Peak Pulse Current on 10/1000 µs waveform Steady State Power Dissipation .375 " lead length @ TA = 75°C Peak Forward Surge Current superimposed on rated load (JEDEC method) Storage Temperature Range (Note 1) Operating Junction Temperature minimum 500 see table 1.0 70 -65 to +175 -65 to +175 *These ratings are limiting values above which the serviceability of any semiconductor device may be impaired. Note 1: Measured on 8.3 ms single half-sine wave or equivalent square wave; Duty cycle = 4 pulses per minute maximum. Units W A W A °C °C 1998 Fairchild Semiconductor Corporation SA5.0(C)A - SA170(C)A, Rev. A SA5.0(C)A - SA170(C)A Transient Voltage Supressors (continued) Electrical Characteristics TA = 25°C unless otherwise noted Uni-directional Reverse Breakdown Voltage Bi-directional (C) Stand-off Voltage VBR (V) Device VRWM (V) min max Test Max Clamping Current Voltage @IPPM IT (mA) VC (V) SA5.0(C)A SA6.0(C)A SA6.5(C)A SA7.0(C)A SA7.5(C)A SA8.0(C)A SA8.5(C)A SA9.0(C)A SA10(C)A SA11(C)A SA12(C)A SA13(C)A SA14(C)A SA15(C)A SA16(C)A SA17(C)A SA18(C)A SA20(C)A SA22(C)A SA24(C)A SA26(C)A SA28(C)A SA30(C)A SA33(C)A SA36(C)A SA40(C)A SA43(C)A SA45(C)A SA48(C)A SA51(C)A SA54(C)A SA58(C)A SA60(C)A SA64(C)A SA70(C)A SA75(C)A SA78(C)A SA85(C)A SA90(C)A SA100(C)A SA110(C)A SA120(C)A SA130(C)A SA150(C)A SA160(C)A SA170(C)A 5.0 6.40 7.00 10 6.0 6.67 7.37 10 6.5 7.22 7.98 10 7.0 7.78 8.60 10 7.5 8.33 9.21 1.0 8.0 8.89 9.83 1.0 8.5 9.44 10.4 1.0 9.0 10.0 11.1 1.0 10 11.1 12.3 1.0 11 12.2 13.5 1.0 12 13.3 14.7 1.0 13 14.4 15.9 1.0 14 15.6 17.2 1.0 15 16.7 18.5 1.0 16 17.8 19.7 1.0 17 18.9 20.9 1.0 18 20.0 22.1 1.0 20 22.2 24.5 1.0 22 24.4 26.9 1.0 24 26.7 29.5 1.0 26 28.9 31.9 1.0 28 31.1 34.4 1.0 30 33.3 36.8 1.0 33 36.7 40.6 1.0 36 40.0 44.2 1.0 40 44.4 49.1 1.0 43 47.8 52.8 1.0 45 50.0 55.3 1.0 48 53.3 58.9 1.0 51 56.7 62.7 1.0 54 60.0 66.3 1.0 58 64.4 71.2 1.0 60 66.7 73.7 1.0 64 71.1 78.6 1.0 70 77.8 86.0 1.0 75 83.3 92.1 1.0 78 86.7 95.8 1.0 85 94.4 104.0 1.0 90 100.0 111.0 1.0 100 111.0 123.0 1.0 110 122.0 135.0 1.0 120 133.0 147.0 1.0 130 144.0 159.0 1.0 150 167.0 185.0 1.0 160 178.0 197.0 1.0 170 189.0 209.0 1.0 9.2 10.3 11.2 12.0 12.9 13.6 14.4 15.4 17.0 18.2 19.9 21.5 23.2 24.4 26.0 27.6 29.2 32.4 35.5 38.9 42.1 45.4 48.4 53.3 58.1 64.5 69.4 72.7 77.4 82.4 87.1 93.6 96.8 103.0 113.0 121.0 126.0 137.0 146.0 162.0 177.0 193.0 209.0 243.0 259.0 275.0 * For bidirectional parts with VRWM<10V, the IR max limit is doubled. Max Peak Pulse Surge Current IPPM (A) 54.3 48.5 44.7 41.7 38.8 36.7 34.7 32.5 29.4 27.4 25.1 23.2 21.5 20.6 19.2 18.1 17.2 15.4 14.1 12.8 11.9 11.0 10.3 9.4 8.6 7.8 7.2 6.9 6.5 6.1 5.7 5.3 5.2 4.9 4.4 4.1 4.0 3.6 3.4 3.1 2.8 2.7 2.4 2.1 1.9 1.8 Max Reverse Leakage VRWM IR (uA)* 600 600 400 150 50 25 10 5 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 SA5.0(C)A - SA170(C)A, Rev. A SA5.0(C)A - SA170(C)A Typical Characteristics Peak Pulse Power Rating Curve 100 TA = 25º C 10 PULSE POWER (kW) 1 0.1 0.0001 0.001 0.01 0.1 PULSE WIDTH (ms) 1 10 PEAK PULSE CURRENT (%) Pulse Waveform 150 100 tf = 10µsec Peak Value Ippm TA = 25º C Pulse Width (td) is Defined as the Point Where the Peak Current Decays to 50% of Ipp Half Value-Ipp 2 50 10/1000µsec Waveform as Defined by R.E.A. td 0 01 2 TIME (ms) e-kt 3 4 Steady State Power Derating Curve 1.6 1.4 1.2 1 0.8 0.6 0.4 0.2 0 0 25 50 75 100 125 150 175 200 LEAD TEMPERATURE (º C) POWER DISSIPATION (W) FORWARD SURGE CURRENT (A) CAPACITANCE (pF) PULSE POWER (%) Transient Voltage Supressors (continued) Pulse Derating Curve 100 75 50 25 0 0 25 50 75 100 125 150 175 200 AMBIENT TEMPERATURE (º C) Junction Capacitance - Unidirectional 6000 4000 2000 1000 TA = 25º C f = 1.0 MHz Visg = 50m Vp-p Measured at Zero Bias 500 200 Measured at Stand-Off 100 Voltage (V mw) 50 20 10 1 5 10 50 100 200 REVERSE VOLTAGE (V) Non-Repetitive Surge Current 100 TA = T Amax 8.3ms Single Half Sine-Wave JEDEC Method 50 20 10 12 5 10 20 50 100 NUMBER OF CYCLE.


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