Surface Mount Zener Diodes Features: *225mw Power Dissipation "ideal for Surface Mountted Application Zener Breakdown Voltage Range 2.4V to 91V Mechanical Data: *Case : SOT-23 Molded plastic MMBZS221B Series SMALL SIGNAL ZENER DIODES 225m WATTS Terminals: Salderable per MIL-STD-202, Method 208 ; *Polarity: Cathode Indicated by Polarity Band SOT-23 *Marking: Marking Code (See Table on Page 3) Weigh: O.008prams(approx) SOT-23 Outline Dimensions anes + a Dim) Min | Max ] A [0.35 |0.51 B |1.19 /1.40 TOP: VIEW B i|c C {2.10 | 3.00 D | 0.85 |1.05 LI | E | 0.46 |1.00 ce | cs Dy G {1.70 [2.10 : | H |2.70|3.10 4 J |0.01 |0.13 K } K | 0.89 /1.10 = L |0.30 /}0.61 ak pate M M 0.076] 0.25 | MMBZ5221B Series TROT Maximum Ratings and Electrical Characteristics [,=25"C Unless Otherwise Noted) Characteristics Symbol Value Unit Total Power Dissipation on FR-5 Board! a PD @Ta=25C 225 rrivy Thermal Resistance Junction to Ambient Air? FelA 556 "CW Forward Voltage @ IF=10mA4 VF 0.9 V Junction and Storage Temperature Range Tj, TSTG 65 to+150 *C NOTES: 1.FR-5=1.00.7570,62in ELECTRICAL CHARACTERISTICS (Pinout 1-Amode, 2-No Connection, 2-C athode] [Ty = ae Links otheraise mote Vp = 0.0 Max. a Ie = 10 imal Svnnbal Mz Parameter Reverse Zemer Vaollage @ Izy Revere Curent Maximum Zener bmpedarnce & bs, ln Reverse Leakage Curent @ Vp Reverse Woltige le FPanvand Current Forward Woltage # Ip Reverse Curent Mascimuim 2 cre bmgeecha nec | 7K Device Marking ener Voltage Regulator tern Marking Equivalent Circuit Diagram AA=Specific Device Code (See Table on pages) MMBZ S22 18 Series 3 oo | Cathode Anode MMBZ5221B Series T Maximum Ratings and Electrical Characteristics [,=25"C Unless Otherwise Noted) Characteristics Symbol Value Unit Total Power Dissipation on FR-5 Board!!! a PD @TMp=25C 225 rr Thermal Resistance Junction to Ambient Aire? Fel 556 "CW Forward Voltage @ IF=10mA4 VF 0.9 V Junction and Storage Temperature Range Tj, TSTG 65 to+150 *C NOTES: 1.FR-5=1.00.7570,62in ELECTRICAL CHARACTERISTICS (Pinout 1-Amode, 2-No Connection, 2-Cathode] (Ty = 2eFc Links otheraise mote Vp = 0.0 Mas. a Ie = 10 mal Symnbal ME Parameter Reverse Zemer Voltage @ Iz, let Reverse i giant Maximum fener bmeedarce & bs, ln Reverse Leakage Curent @ Vp Reverse Woltige le Panvand Current Forward Woltage @ Ip Reverse Curent Mascimuim cre bmgechanecctt | 7R Device Marking fener Voltage Regulator iter Marking Equivalent Circuit Diagram MA=Specific Device Code (See Table on pages) MMBZ S216 Series 30\a}0 | Cathode Anode MMBZ5221B Series TYPICAL CHARACTERISTICS itr Ty = zh 1a [, CAPAOITAMCE [pF] Ip LEAKAGE CURRENT A) 1 1e Fy, MONA FRA ie Tada ie Figure 5. Typical Capacitance 17, Z2ERER CURRENT (m4) 17, ZENER CURRENT (iA) a a 4 * le i in Ys, JERER ADLTADE fp Figure . fener Voliaqe vermus Zena Current iW; Up ta 12 VW a = an a Tih an = Vp Pee) SHEE woh Br Figure & Typical Leakage Current ml wi tt Ls Cy MEE OO Figure 6. Zener Voltage versus Zener Current (2 Voto OT Vy MMBZ5221B Series | ragpren TYPICAL CHARACTERISTICS lit TYRE AL Tt VELUES u FOR BESS IIE SERES fiyg, TEMPERATURE COEFFICIENT [nic Hye, TEMPERATURE COEFFIOIRNT [mvt 1 a i Fr Bz + hh In 7 Vo, HOHE AME PG A Figure |, Temperature Coefficients (Temperature Range +550 to +1500} 277 DYNAMIC IMPEDAR ESE, lp, FORMA QURRERT [na Ye HOADMAL SPHERE PL aE Fiqure 3. Effect of #eneltate on fener Impedance TRPICAL Te @aLUES DDR AMM Sees tp HOMIAL JERER WO TRGE fei Figure 2, Temperature Coefficients (Temperature Range 450 to +1500) PO DAMS 0 DMA ee ny f, FORYARD Wace fi Figure 4. Typical Forward Voltage www. yvachtron.com