BL GALAXY ELECTRICAL ZENER DIODES U1ZB6.8 - - - U1ZB390 POWER DISSIPATION: 1.0 W FEATURES (DO-214AC)SMA Silicon planar power zener diodes For use in stabilizing and clipping curcuits with high power rating. Standard zener voltage tolerance is ±10%. Add suffix "A" for ±5% tolerance. Other zener voltage and tolerances are available upon request. MECHANICAL DATA Case:DO-214AC Terminals: Solderable per MIL-STD-202, method 208 Polarity: Cathode band Marking: Type number Weight: 0.002 ounces, 0.064 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 ambient temperature unless otherwise specified. SYMBOL VALUE UNIT Pow er dissipation at Tamb=25 Ptot 1.0 1) W Junction temperature TJ -40---+150 Zener current (see Table "Characteristics") Ts Storage temperature range NOTES: (1) Valid provided that leads at a distance of 10 mm from case are kept at ambient temperature. Document Number 0284025 BLGALAXY ELECTRICAL -40---+150 www.galaxycn.com 1. ELECTRICAL CHARACTERISTICS (TA=25℃) Nominal Zener Voltage Type Device Marking Code Zener Voltage Vz(V) Min. Typ. Max. Zener Measurement Impedance Current rd(Ω) Iz Forward Voltage Reverse Current Temperature Coefficient of Measurement Measurement Zener Voltage Current IR(µA) Voltage VF(V) αT(mV/℃) IF VR Max. mA Typ. Max. Max. A Max. V 60 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 40 65 65 120 150 170 300 300 450 500 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 9.0 7.0 6.0 6.0 4.0 4.0 3.0 3.0 3.0 2.0 1.5 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 0.2 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 1.5 1.2 0.2 10 5000 0.5 4.0 5.0 6.0 8.0 9.0 11 13 14 17 19 23 26 28 32 36 40 41 45 53 60 68 90 104 113 138 152 212 255 269 269 286 309 309 320 325 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 1.2 500 3.0 4.0 4.0 5.0 6.0 7.0 8.0 9.0 11 12 14 16 18 20 23 25 26 28 33 38 43 57 66 71 87 96 136 161 170 170 178 200 200 207 215 1.2 0.2 10 3.0 4.5 4.9 5.5 6.0 7.0 8.0 9.0 10 11 13 14 16 17 19 21 26.4 28.8 34.4 37.6 40.8 54.4 60.0 65.4 80 88 120 144 160 160 168 176 176 184 192 5000 0.5 215 325 1.2 0.2 10 225 243 221 338 385 350 228 362 U1ZB6.8 U1ZB7.5 U1ZB8.2 U1ZB9.1 U1ZB10 U1ZB11 U1ZB12 U1ZB13 U1ZB15 U1ZB16 U1ZB18 U1ZB20 U1ZB22 U1ZB24 U1ZB27 U1ZB30 U1ZB33 U1ZB36 U1ZB43 U1ZB47 U1ZB51 U1ZB68 U1ZB75 U1ZB82 U1ZB100 U1ZB110 U1ZB150 U1ZB180 U1ZB200 U1ZB200-Y U1ZB200-Z U1ZB220 U1ZB220-Y U1ZB220-Z U1ZB240 ZB6.8 ZB7.5 ZB8.2 ZB9.1 ZB10 ZB11 ZB12 ZB13 ZB15 ZB16 ZB18 ZB20 ZB22 ZB24 ZB27 ZB30 ZB33 ZB36 ZB43 ZB47 ZB51 ZB68 ZB75 ZB82 100 110 150 180 200 200Y 200Z 220 220Y 220Z 240 6.2 6.8 7.4 8.2 9.0 9.9 10.8 11.7 13.5 14.4 16.2 18.0 19.8 21.6 24.3 27.0 29.7 32.4 38.7 42.3 45.9 61.2 67.5 73.8 90 99 135 162 180 190 200 198 210 220 216 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 43 47 51 68 75 82 100 110 150 180 200 200 210 220 220 230 240 7.4 8.3 9.1 10.1 11.0 12.1 13.2 14.3 16.5 17.6 19.8 22.0 24.2 26.4 29.7 33.0 36.3 39.6 47.3 51.7 56.1 74.8 82.5 90.2 110 121 165 198 220 210 220 242 230 240 264 U1ZB240-Y 240Y 230 240 250 U1ZB240-Z U1ZB270 U1ZB270-X 240Z 270 270X 240 243 250 250 270 260 260 297 270 U1ZB270-Y 270Y 260 270 280 U1ZB270-Z 270Z 270 280 290 236 374 252 240 5000 0.5 1.2 0.2 10 216 225 216 234 243 U1ZB300 300 270 300 330 270 428 U1ZB300-X 300X 280 290 300 244 388 U1ZB300-Y 300Y 290 300 310 253 402 U1ZB300-Z 300Z 300 310 320 261 415 279 U1ZB330 330 297 330 363 296 470 264 U1ZB330-X 330X 310 320 330 270 428 U1ZB330-Y 330Y 320 330 340 278 441 U1ZB330-Z 330Z 330 340 350 287 455 U1ZB390 390 351 390 429 350 555 5000 5000 10000 0.5 0.5 0.5 1.2 1.2 0.2 0.2 10 10 261 270 288 297 306 1.2 0.2 10 312 www.galaxycn.com Document Number 0284025 BLGALAXY ELECTRICAL 2. RATINGS AND CHARACTERISTIC CURVES U1ZB6.8 - - - U1ZB390 FIG.2 -- TA MAX - P γZ 16 αT 8 0 0 10 20 30 40 TEMPERATURE TA MAX ( ) 24 MAXIMUM ALLOWABLE AMBIENT ) 32 ZENER VOLTAGE AT (mV/ TEMPERATURE COEFFICIENT OF FIG.1 -- AT YZ - VZ 200 160 120 80 40 0 ZENER VOLTAGE VZ (V) 0. T A =25℃ UPPER LIMIT 300 RECOMMENDED 100 50 .3 .5 1 .8 1.2 1 3 5 10 200 100 50 30 RθJA ( /W) TW TRANSIENT THERMAL IMPEDANCE P RSM (W) PEAK REVERSE POWER DISSIPATION PRSM 1000 .1 .6 FIG.4 -- RθJA - T RECTANGULAR WAVEFORM 500 .4 POWER DISSIPATION P (W) FIG.3 -- P RSM - tw 2000 2 PULSE WIDTH TW (ms) 10 5 3 1 .5 .3 .1 .001 .01 .1 1 10 100 10000 TIME T (S) www.galaxycn.com Document Number 0284025 BLGALAXY ELECTRICAL 3.