1N3305 1N3335500BB WWW.Microsemi .COM 11NN44554499BB 11NN44555566BB 1N3305 thru 1N3350B and 1N4549B thru 1N4556B 50 WATT ZENER DIODES SCOTTSDALE DIVISION DESCRIPTION APPEARANCE These high power 50 W Zener diodes represented by the JEDEC registered 1N3305 thru 1N3350B and 1N4549 thru 1N4556B series provide voltage regulation in a selection over a 3.9 V to 200 V broad range of voltages. They may be operated up to 50 W with adequate mounting and heat sinking with their low thermal resistance. These Zeners are also available in JAN, JANTX, JANTXV military qualifications. Microsemi also offers numerous other Zener products to meet higher and lower power applications. DO- 5 IMPORTANT: For the most current data, consult MICROSEMIs website: 1N3305 1N3350B WWW.Microsemi .COM 1N4549B 1N4556B 1N3305 thru 1N3350B and 1N4549B thru 1N4556B 50 WATT ZENER DIODES SCOTTSDALE DIVISION o *ELECTRICAL CHARACTERISTICS 30 C Case Temperature NOMINAL MAX. DYNAMIC ZENER MAX. DC TYPICAL IMPEDANCE (Note 3) MAX. REVERSE VOLTAGE ZENER ZENER TEMP. CURRENT** TEST CURRENT COEFF. JEDEC V I Z ZT I (max) V R R CURRENT Z I Z I = 5 mA (I ) TYPE NO. Volts ZT ZT ZK ZK ZM VZ o (I ) mA (Note 1) (Note 2) ZT OHMS OHMS mA A VOLTS %/ C 1N4549B 3.9 3,200 0.16 400 11,900 150 0.5 -0.046 1N4550B 4.3 2,900 0.16 500 10,650 150 0.5 -0.033 1N4551B 4.7 2,650 0.12 600 9,700 100 1.0 -0.015 1N4552B 5.1 2,450 0.12 650 8,900 20 1.0 +/-0.010 1N4553B 5.6 2,250 0.12 900 8,100 20 1.0 +0.030 1N4554B 6.2 2,000 0.14 1,000 7,300 20 2.0 +0.049 1N4555B 6.8 1,850 0.16 200 6,650 10 2.0 +0.053 1N4556B 7.5 1,650 0.24 100 6,050 10 3.0 +0.057 1N3305B 6.8 1,850 0.20 70 6,600 300 4.5 0.040 1N3306B 7.5 1,700 0.30 70 5,900 125 5.0 0.045 1N3307B 8.2 1,500 0.40 70 5,200 50 5.4 0.048 1N3308B 9.1 1,370 0.50 70 4,800 25 6.1 0.050 1N3309B 10.0 1,200 0.60 80 4,300 25 6.7 0.055 1N3310B 11.0 1,100 0.80 80 3,900 10 8.4 0.060 1N3311B 12.0 1,000 1.00 80 3,800 10 9.1 0.065 1N3312B 13.0 960 1.10 80 3,300 10 9.9 0.065 1N3313B 14.0 890 1.20 80 3,000 10 11.4 0.070 1N3314B 15.0 830 1.40 80 2,800 10 11.4 0.070 1N3315B 16.0 780 1.60 80 2,650 10 12.2 0.070 1N3316B 17.0 740 1.80 80 2,500 10 13.0 0.075 1N3317B 18.0 700 2.00 80 2,300 10 13.7 0.075 1N3318B 19.0 660 2.20 80 2,200 10 13.7 0.075 1N3319B 20.0 630 2.40 80 2,100 10 15.2 0.075 1N3320B 22.0 570 2.50 80 1,900 10 16.7 0.080 1N3321B 24.0 520 2.60 80 1,750 10 18.2 0.080 1N3322B 25.0 500 2.70 90 1,550 10 18.2 0.080 1N3323B 27.0 460 2.80 90 1,500 10 20.6 0.085 1N3324B 30.0 420 3.00 90 1,400 10 22.8 0.085 1N3325B 33.0 380 3.20 90 1,300 10 25.1 0.085 1N3326B 36.0 350 3.50 90 1,150 10 27.4 0.085 1N3327B 39.0 320 4.00 90 1,050 10 29.7 0.090 1N3328B 43.0 290 4.50 90 975 10 32.7 0.090 1N3329B 45.0 280 4.50 100 930 10 32.7 0.090 1N3330B 47.0 270 5.00 100 880 10 35.8 0.090 1N3331B 50.0 250 5.00 100 830 10 38.8 0.090 1N3332B 51.0 245 5.20 100 810 10 38.8 0.090 1N3333B 52.0 240 5.50 100 790 10 42.6 0.090 1N3334B 56.0 220 6.00 110 740 10 42.6 0.090 1N3335B 62.0 200 7.00 120 660 10 47.1 0.090 1N3336B 68.0 180 8.00 140 600 10 51.7 0.090 1N3337B 75.0 170 9.00 150 540 10 56.0 0.090 1N3338B 82.0 150 11.00 160 490 10 62.2 0.090 1N3339B 91.0 140 15.00 180 420 10 69.2 0.090 1N3340B 100.0 120 20.00 200 400 10 76.0 0.090 1N3341B 105.0 120 25.00 210 380 10 83.0 0.095 1N3342B 110.0 110 30.00 220 365 10 83.0 0.095 1N3343B 120.0 100 40.00 240 335 10 91.2 0.095 1N3344B 130.0 95 50.00 275 310 10 99.8 0.095 1N3345B 140.0 90 60.00 325 290 10 114.0 0.095 1N3346B 150.0 85 75.00 400 270 10 114.0 0.095 1N3347B 160.0 80 80.00 450 250 10 121.6 0.095 1N3348B 175.0 70 85.00 500 230 10 121.6 0.095 1N3349B 180.0 68 90.00 525 220 10 136.8 0.095 1N3350B 200.0 65 100.00 600 200 10 152.0 0.100 *JEDEC Registered Data. **Not JEDEC Data. Have JAN and JANTX and TXV Qualifications to MIL-S-19500/358. Copyright 2003 Microsemi Page 2 11-12-2003 REV A Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503