ZMM5221B ~ ZMM5261B 500mW SUFACE MOUNT ZENER DIODE FEATURES • Planar Die construction MINI-MELF / LL-34 • 500mW Power Dissipation • Ideally Suited for Automated Assembly Processes • Both normal and Pb free product are available : Normal : 80~95% Sn, 5~20% Pb Pb free: 98.5% Sn above 0.063(1.6) 0.055(1.4) DIA. 0.020(0.5) 0.012(0.3) MECHANICAL DATA 0.020(0.5) 0.012(0.3) 0.146(3.7) 0.130(3.3) • Case: Molded Glass MINI-MELF • Terminals: Solderable per MIL-STD-750, Method 2026 Dimensions in inches and (millimeters) • Polarity: See Diagram Below • Approx. Weight: 0.03 grams • Mounting Position: Any ABSOLUTE MAXIMUM RATINGS(LIMITING VALUES)(TA=25℃ ) Symbols Value Units Power dissipation at TA=25℃ Ptot 5001) mW Junction temperature TJ 175 TSTG -55 to + 175 ℃ ℃ Zener current see table "Characteristics" Storage temperature range 1)Valid provided that at a distance of 8mm from case are kept at ambient temperature ELECTRICAL CHARACTERISTICS(TA=25℃ ) Symbols Thermal resistance junction to ambient Forward voltage at IF=100mA Min. Max. Units RTHA 0.31) K/mW VF 1.1 V 1)Valid provided that leads at a distance of 8mm from case are kept at ambient temperature Typ. ZMM5221B ~ ZMM5261B 500mW SUFACE MOUNT ZENER DIODE 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 Marki ng co d e ZMM5221B 2.40 2.28 2.52 30 20.0 1200 0.25 100 1.0 5221 ZMM5222B 2.50 2.38 2.63 30 20.0 1250 0.25 100 1.0 5222 ZMM5223B 2.70 2.57 2.84 30 20.0 1300 0.25 75 1.0 5223 ZMM5224B 2.80 2.66 2.94 30 20.0 1400 0.25 75 1.0 5224 ZMM5225B 3.00 2.85 3.15 29 20.0 1600 0.25 50 1.0 5225 ZMM5226B 3.30 3.14 3.47 28 20.0 1600 0.25 25 1.0 5226 ZMM5227B 3.60 3.42 3.78 24 20.0 1700 0.25 15 1.0 5227 ZMM5228B 3.90 3.71 4.10 23 20.0 1900 0.25 10 1.0 5228 ZMM5229B 4.30 4.09 4.52 22 20.0 2000 0.25 5.0 1.0 5229 ZMM5230B 4.70 4.47 4.94 19 20.0 1900 0.25 5.0 2.0 5230 ZMM5231B 5.10 4.85 5.36 17 20.0 1600 0.25 5.0 2.0 5231 ZMM5232B 5.60 5.32 5.88 11 20.0 1600 0.25 5.0 3.0 5232 ZMM5233B 6.00 5.70 6.30 7 20.0 1600 0.25 5.0 3.5 5233 ZMM5234B 6.20 5.89 6.51 7 20.0 1000 0.25 5.0 4.0 5234 ZMM5235B 6.80 6.46 7.14 5 20.0 750 0.25 3.0 5.0 5235 ZMM5236B 7.50 7.13 7.88 6 20.0 500 0.25 3.0 6.0 5236 ZMM5237B 8.20 7.79 8.61 8 20.0 500 0.25 3.0 6.5 5237 ZMM5238B 8.70 8.27 9.14 8 20.0 600 0.25 3.0 6.5 5238 ZMM5239B 9.10 8.65 9.56 10 20.0 600 0.25 3.0 7.0 5239 ZMM5240B 10.00 9.50 10.50 17 20.0 600 0.25 3.0 8.0 5240 ZMM5241B 11.00 10.45 11.55 22 20.0 600 0.25 2.0 8.4 5241 ZMM5242B 12.00 11.40 12.60 30 20.0 600 0.25 1.0 9.1 5242 ZMM5243B 13.00 12.35 13.65 13 9.5 600 0.25 0.5 9.9 5243 ZMM5244B 14.00 13.30 14.70 15 9.0 600 0.25 0.1 10.0 5244 ZMM5245B 15.00 14.25 15.75 16 8.5 600 0.25 0.1 11.0 5245 ZMM5246B 16.00 15.20 16.80 17 7.8 600 0.25 0.1 12.0 5246 ZMM5247B 17.00 16.15 17.85 19 7.4 600 0.25 0.1 13.0 5247 ZMM5248B 18.00 17.10 18.90 21 7.0 600 0.25 0.1 14.0 5248 ZMM5249B 19.00 18.05 19.95 23 6.6 600 0.25 0.1 14.0 5249 ZMM5250B 20.00 19.00 21.00 25 6.2 600 0.25 0.1 15.0 5250 ZMM5251B 22.00 20.90 23.10 29 5.6 600 0.25 0.1 17.0 5251 ZMM5252B 24.00 22.80 25.20 33 5.2 600 0.25 0.1 18.0 5252 ZMM5253B 25.00 23.75 26.25 35 5.0 600 0.25 0.1 19.0 5253 ZMM5254B 27.00 25.65 28.35 41 4.6 600 0.25 0.1 21.0 5254 ZMM5255B 28.00 26.60 29.40 44 4.5 600 0.25 0.1 21.0 5255 ZMM5256B 30.00 28.50 31.50 49 4.2 600 0.25 0.1 23.0 5256 ZMM5257B 33.00 31.35 34.65 58 3.8 700 0.25 0.1 25.0 5257 ZMM5258B 36.00 34.20 37.80 70 3.4 700 0.25 0.1 27.0 5258 ZMM5259B 39.00 37.05 40.95 80 3.2 800 0.25 0.1 30.0 5259 ZMM5260B 43.00 40.85 45.15 93 3.0 900 0.25 0.1 33.0 5260 ZMM5261B 47.00 44.65 49.35 150 2.7 1000 0.25 0.1 36.0 5261 Notes. : STANDARD VOLTAGE TOLERANCE IS ± 5% ZMM5221B ~ ZMM5261B RATINGS AND CHARACTERISTIC CURVES FIG.1- BREAKDOWN CHARACTERISTICS 50 10 15 20 25 40 30 20 10 5252 5250 5245 5242 5241 5239 5228 5235 5234 5232 5231 5230 5229 5224 0 30 Test Current Iz = 20mA FIG.2- POWER ,TEMPERATURE DERATING CURVE 500 Pd(mW) Power Dissipation Iz (mA) Vz (V) 5 400 300 200 100 50 100 150 200 TA(oC) Ambient Temperature 300