DATA SHEET BZM5221B SERIES SURFACE MOUNT ZENER DIODES VOLTAGE 2.4 to 47 Volts MICRO-MELF 500 mWatts POWER Unit : inch (mm) FEATURES • Planar Die construction • 500mW Power Dissipation .049(1.25) .047(1.2)DIA. • Ideally Suited for Automated Assembly Processes MECHANICAL DATA • Case: Molded Glass MICRO-MELF .043(1.1) • Terminals: Solderable per MIL-STD-202E, Method 208 .008(0.2) • Polarity: See Diagram Below .008(0.2) .079(2.0) .071(1.8) • Approx. Weight: 0.01 grams • Mounting Position: Any • Packing information T/R - 2.5K per 7" plastic Reel MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Parameter Symbol Value Units PTOT 500 mW Junction Temperature TJ 175 O C Storage Temperature Range TS -65 to +175 O C Power Dissipation at Tamb = 25 O C Valid provided that leads at a distance of 10mm from case are kept at ambient temperature. Parameter Thermal Resi stance Juncti on to Ambi ent Ai r Forward Voltage at IF = 100mA Symbol Min. Typ. Max. Uni ts RthA -- -- 0.3 K/mW VF -- -- 1 V Vali d provi ded that leads at a di stance of 10mm from case are kept at ambi ent temperature. STAD-JAN.27.2004 PAGE . 1 Nomi nal Zener Voltage Part Number Max Reverse Leakage C urrent Max. Zener Impedance V Z @ IZT Z ZT @ IZT Z ZK @ IZK IR @ V R No m. V M i n. V M a x. V Ω mA Ω mA uA V BZM5221B 2.40 2.28 2.52 30 20.0 1200 0.25 100 1.0 BZM5222B 2.50 2.38 2.63 30 20.0 1250 0.25 100 1.0 BZM5223B 2.70 2.57 2.84 30 20.0 1300 0.25 75 1.0 BZM5224B 2.80 2.66 2.94 30 20.0 1400 0.25 75 1.0 BZM5225B 3.00 2.85 3.15 29 20.0 1600 0.25 50 1.0 BZM5226B 3.30 3.14 3.47 28 20.0 1600 0.25 25 1.0 BZM5227B 3.60 3.42 3.78 24 20.0 1700 0.25 15 1.0 BZM5228B 3.90 3.71 4.10 23 20.0 1900 0.25 10 1.0 BZM5229B 4.30 4.09 4.52 22 20.0 2000 0.25 5.0 1.0 BZM5230B 4.70 4.47 4.94 19 20.0 1900 0.25 5.0 2.0 BZM5231B 5.10 4.85 5.36 17 20.0 1600 0.25 5.0 2.0 BZM5232B 5.60 5.32 5.88 11 20.0 1600 0.25 5.0 3.0 BZM5233B 6.00 5.70 6.30 7 20.0 1600 0.25 5.0 3.5 BZM5234B 6.20 5.89 6.51 7 20.0 1000 0.25 5.0 4.0 BZM5235B 6.80 6.46 7.14 5 20.0 750 0.25 3.0 5.0 BZM5236B 7.50 7.13 7.88 6 20.0 500 0.25 3.0 6.0 BZM5237B 8.20 7.79 8.61 8 20.0 500 0.25 3.0 6.5 BZM5238B 8.70 8.27 9.14 8 20.0 600 0.25 3.0 6.5 BZM5239B 9.10 8.65 9.56 10 20.0 600 0.25 3.0 7.0 BZM5240B 10.00 9.50 10.50 17 20.0 600 0.25 3.0 8.0 BZM5241B 11.00 10.45 11.55 22 20.0 600 0.25 2.0 8.4 BZM5242B 12.00 11.40 12.60 30 20.0 600 0.25 1.0 9.1 BZM5243B 13.00 12.35 13.65 13 9.5 600 0.25 0.5 9.9 BZM5244B 14.00 13.30 14.70 15 9.5 600 0.25 0.1 10.0 BZM5245B 15.00 14.25 15.75 16 8.5 600 0.25 0.1 11.0 BZM5246B 16.00 15.20 16.80 17 7.8 600 0.25 0.1 12.0 BZM5247B 17.00 16.15 17.85 19 7.4 600 0.25 0.1 13.0 BZM5248B 18.00 17.10 18.90 21 7.0 600 0.25 0.1 14.0 BZM5249B 19.00 18.05 19.95 23 6.6 600 0.25 0.1 14.0 BZM5250B 20.00 19.00 21.00 25 6.2 600 0.25 0.1 15.0 BZM5251B 22.00 20.90 23.10 29 5.6 600 0.25 0.1 17.0 BZM5252B 24.00 22.80 25.20 33 5.2 600 0.25 0.1 18.0 BZM5253B 25.00 23.75 26.25 35 5.0 600 0.25 0.1 19.0 BZM5254B 27.00 25.65 28.35 41 4.6 600 0.25 0.1 21.0 BZM5255B 28.00 26.60 29.40 44 4.5 600 0.25 0.1 21.0 BZM5256B 30.00 28.50 31.50 49 4.2 600 0.25 0.1 23.0 BZM5257B 33.00 31.35 34.65 58 3.8 700 0.25 0.1 25.0 BZM5258B 36.00 34.20 37.80 70 3.4 700 0.25 0.1 27.0 BZM5259B 39.00 37.05 40.95 80 3.2 800 0.25 0.1 30.0 BZM5260B 43.00 40.85 45.15 93 3.0 900 0.25 0.1 33.0 BZM5261B 47.00 44.65 49.35 150 2.7 1000 0.25 0.1 36.0 Notes. STANDARD VOLTAGE TOLERANCE IS + 5% AND : SUFFIX “ A” FOR + 3% SUFFIX “ B” FOR + 5% SUFFIX “ C” FOR + 10% SUFFIX “ D” FOR + 20% STAD-JAN.27.2004 PAGE . 2 POWER DISSIPATION, mWatts RATING AND CHARACTERISTIC CURVES 500 400 300 200 100 0 50 100 150 200 250 O AMBIENT TEMPERATURE, C FIG. 1 POWER DERATING CURVE Iz (mA) Vz (V) 5 50 10 15 20 25 40 30 Test Current Iz = 20mA 30 20 10 5252 5250 5245 5242 5241 5239 5235 5234 5232 5231 5230 5229 5224 5228 0 Fig.2 BREAKDOWN CHARACTERISTICS STAD-JAN.27.2004 PAGE . 3