DATA SHEET 1SMB5921~1SMB5956 SURFACE MOUNT SILICON ZENER DIODE VOLTAGE- 6.8 to 200 Volts Power - 1.5 Watts SMB / DO-214AA FEATURES Unit: inch ( mm ) • For surface mounted applications in order to optimize board space. .155 (3.94) .130 (3.30) • Low profile package • Built-in strain relief • Glass passivated junction • Plastic package has Underwriters Laboratory Flammability Classification 94V-O .083 (2.11) • Typical IR less than 1.0µA above 12V .075 (1.91) • Low inductance .185 (4.70) .160 (4.06) • High temperature soldering : 260°C /10 seconds at terminals .012 (.305) .006 (.152) Case: JEDEC DO-214AA,Molded plastic over passivated junction. Terminals: Solder plated,solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes positive end (cathode) Standard Packaging:12mm tape (EIA-481) Weight: 0.003 ounce, 0.093 gram .096 (2.44) .083 (2.13) MECHANICAL DATA .050 (1.27) .008(.203) .002(.051) .030 (0.76) .220 (5.59) .200 (5.08) MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25°C ambient temperature unless otherwise specified. SYMBOLS Peak Forward Surge Current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) Operating and Storage Temperature Range UNITS 1.5 Watts PD 15.0 mW / °C IFSM 10 Amps -55 to +150 °C Pwak Pulse Power Dissipation on TA=70°C (Notes A) Derate above 70°C VALUE TJ, TSTG NOTES: A.Mounted on 5.0mm2 (.013mm thick) land areas. B.Measured on 8.3ms, and single half sine-wave or equivalent square wave ,duty cycle=4 pulses per minute maximum. PAGE . 1 Marking C ode V Z @ I ZT V 1SMB5921 921A 6.8 1SMB5922 922A 7.5 1SMB5923 923A 1SMB5924 Part Number I ZT M a x i m u m Ze n e r I m p e d a n c e Leakage Current VR Maximum DC Zener Current PACKAGE Z ZT @ I ZT Z ZK @ I ZK I ZK IR mA Oh ms Oh ms mA u A Ma x V I ZM 55.1 2.5 200 1.0 5.0 5.2 220 SMB/DO-214AA 50 3 400 0.5 5.0 6.0 200 SMB/DO-214AA 8.2 45.7 3.5 400 0.5 5.0 6.5 182 SMB/DO-214AA 924A 9.1 41.2 4 500 0.5 5.0 7 164 SMB/DO-214AA 1SMB5925 925A 10 37.5 4.5 500 0.25 5.0 8 150 SMB/DO-214AA 1SMB5926 926A 11 34.1 5.5 550 0.25 1.0 8.4 136 SMB/DO-214AA 1SMB5927 927A 12 31.2 6.5 550 0.25 1.0 9.1 125 SMB/DO-214AA 1SMB5928 928A 13 28.8 7.0 550 0.25 1.0 9.9 115 SMB/DO-214AA 1SMB5929 929A 15 25.0 9.0 600 0.25 1.0 11.4 100 SMB/DO-214AA 1SMB5930 930A 16 23.4 10 600 0.25 1.0 12.2 93 SMB/DO-214AA 1SMB5931 931A 18 20.8 12 650 0.25 1.0 13.7 83 SMB/DO-214AA 1SMB5932 932A 20 18.7 14 650 0.25 1.0 15.2 75 SMB/DO-214AA 1SMB5933 933A 22 17.0 17.5 650 0.25 1.0 16.7 68 SMB/DO-214AA 1SMB5934 934A 24 15.6 19 700 0.25 1.0 18.2 62 SMB/DO-214AA 1SMB5935 935A 27 13.9 23 700 0.25 1.0 20.6 55 SMB/DO-214AA 1SMB5936 936A 30 12.5 26 750 0.25 1.0 22.8 50 SMB/DO-214AA 1SMB5937 937A 33 11.4 33 800 0.25 1.0 25.1 45 SMB/DO-214AA 1SMB5938 938A 36 10.4 38 850 0.25 1.0 27.4 41 SMB/DO-214AA 1SMB5939 939A 39 9.6 45 900 0.25 1.0 29.7 38 SMB/DO-214AA 1SMB5940 940A 43 8.7 53 950 0.25 1.0 32.7 34 SMB/DO-214AA 1SMB5941 941A 47 8.0 67 1000 0.25 1.0 35.8 31 SMB/DO-214AA 1SMB5942 942A 51 7.3 70 1100 0.25 1.0 38.8 29 SMB/DO-214AA 1SMB5943 943A 56 6.7 86 1300 0.25 1.0 42.6 26 SMB/DO-214AA 1SMB5944 944A 62 6.0 100 1500 0.25 1.0 47.1 24 SMB/DO-214AA 1SMB5945 945A 68 5.5 120 1700 0.25 1.0 51.7 22 SMB/DO-214AA 1SMB5946 946A 75 5.0 140 2000 0.25 1.0 56.0 20 SMB/DO-214AA 1SMB5947 947A 82 4.6 160 2500 0.25 1.0 62.2 18 SMB/DO-214AA 1SMB5948 948A 91 4.1 200 3000 0.25 1.0 69.2 16 SMB/DO-214AA 1SMB5949 949A 100 3.7 250 3100 0.25 1.0 76.0 15 SMB/DO-214AA 1SMB5950 950A 110 3.4 300 4000 0.25 1.0 83.6 13 SMB/DO-214AA 1SMB5951 951A 120 3.1 380 4500 0.25 1.0 91.2 12 SMB/DO-214AA 1SMB5952 952A 130 2.9 450 5000 0.25 1.0 98.8 11 SMB/DO-214AA 1SMB5953 953A 150 2.5 600 6000 0.25 1.0 114.0 10 SMB/DO-214AA 1SMB5954 954A 160 2.3 700 6500 0.25 1.0 121.6 9 SMB/DO-214AA 1SMB5955 955A 180 2.1 900 7000 0.25 1.0 136.8 8 SMB/DO-214AA 1SMB5956 956A 200 1.9 1200 8000 0.25 1.0 152.0 7 SMB/DO-214AA PAGE . 2 VZ@IZT 100 70 50 30 20 10 10 1K 500 Z , DYNAMIC IMPEDANCE (OHMS) Z O qVZ, TEMPERATURE COEFICIENT (mV/ C) 200 20 30 50 100 70 O T J = 25 C I Z (rms) =0.1 I Z (dc) VZ=150V 200 100 50 91V 62V 20 10 5 22V 12V 2 6.8V 1 0.5 200 1 5 2 10 20 50 100 200 500 I Z , ZENER TEST CURRENT(mA) VZ, ZENER VOLTAGE (VOLTS) FIGURE 3. ZENER VOLTAGE - 14 TO 200 VOLTS FIGURE 4. EFFECT OF ZENER CURRENT I Z (dc)=1mA 100 70 50 30 20 10mA 10 7 5 3 2 I Z (rms)=0.1I Z (dc) 20mA 5 7 10 30 20 50 70 100 RECTANGULAR NONREPETITIVE WAVEFORM T J =25 OC PRIOR TO INTIAL PULSE 500 300 200 100 50 30 20 P Z , DYNAMIC IMPEDANCE(OHMS) Z PK , PEAKSURGE POWER(WATTS) 1K 200 10 0.1 0.20.3 0.5 5 10 2030 50 100 FIGURE 6. MAXIMUM SURGE POWER FIGURE 5. EFFECT OF ZENER VOLTAGE 100 I , ZENER CURRENT(mA) Z 100 I , ZENER CURRENT(mA) Z 2 3 PW. PULSE WITH(ms) VZ, ZENER VOLTAGE (VOLTS) 50 30 20 10 5 3 2 1 0.5 0.3 0.2 0.1 1 0 1 2 3 4 5 6 7 8 VZ, ZENER VOLTAGE (VOLTS) FIGURE 7. VZ = 6.8 THRU 10 VOLTS 9 10 50 30 20 10 5 3 2 1 0.5 0.3 0.2 0.1 0 10 20 30 40 50 60 70 80 90 100 VZ, ZENER VOLTAGE (VOLTS) FIGURE 8. VZ = 12 THRU 82 VOLTS PAGE . 3 O qVZ, TEMPERATURE COEFICIENT (mV/ C) P ,MAXIMUM POWER DISSIPATION(WATTS) D 2.5 2 1.5 1 0.5 0 0 20 40 60 80 100 120 140 150 180 O 10 VZ@IZT 8 6 4 2 0 -2 -4 2 4 6 8 10 TL,LEAD TEMPERATURE( C) VZ, ZENER VOLTAGE (VOLTS) FIGURE 1 . STEADY STATE POWER DERATING FIGURE 2. ZENER VOLTAGE - TO 12 VOLTS 12 PAGE . 4