1SMA5921-AU~1SMA5942-AU SURFACE MOUNT SILICON ZENER DIODE VOLTAGE 6.8 to 51 Volts POWER 1.5 Watts FEATURES 0.114(2.90) 0.098(2.50) • For surface mounted applications in order to optimize board space • Low profile package • Built-in strain relief 0.062(1.60) 0.047(1.20) • Glass passivated junction • Low inductance • Typical IR less than 1.0µA above 12V 0.181(4.60) 0.157(4.00) • Plastic package has Underwriters Laboratory Flammability Classification 94V-O 0 . 012(0 . 305) 0 . 006(0.152) • High temperature soldering : 260°C /10 seconds at terminals • Acqire quality system certificate : TS16949 • AEC-Q101 qualified • Lead free in comply with EU RoHS 2002/95/EC directives 0.008(0.203) 0.002(0.051) 0.060(1.52) 0.030(0.76) 0.208(5.28) 0.188(4.80) MECHANICAL DATA • Case: JEDEC DO-214AC, Molded plastic over passivated junction • Terminals: Solder plated, solderable per MIL-STD-750, Method 2026 • Polarity: Color band denotes cathode end • Standard Packaging: 12mm tape (EIA-481) • Weight: 0.0023 ounce, 0.0679 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25°C ambient temperature unless otherwise specified. Parameter Peak Pulse Power Dissipation on TL=75 O C (Note A) Derate above 75 O C Peak Forward Surge Current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) Operating Junction and StorageTemperature Range Symbol Value Units PD 1.5 Watts IF S M 10 Amps TJ , TS T G -55 to +150 O C 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. STAD-FEB.10.2009 1 PAGE . 1 1SMA5921-AU~1SMA5942-AU Nominal Zener Voltage Part Number Max. Reverse Leakage Current Ma xi mum Ze ne r Imp e d anc e V Z @ IZT Z ZT @ IZT Z ZK @ IZK IR VR Mark i ng Code Nom V Mi nV Ma x V Ω mA Ω mA μA V 1SMA5921-AU 6.8 6.46 7.14 3 55.1 200 1 5 5.2 921A 1SMA5922-AU 7.5 7.13 7.88 3 50 400 0.5 5 6 922A 1SMA5923-AU 8.2 7.79 8.61 4 45.7 400 0.5 5 6.5 923A 1SMA5924-AU 9.1 8.65 9.56 4 41.2 500 0.5 5 7 924A 1SMA5925-AU 10 9.5 10.5 5 37.5 500 0.25 5 8 925A 1SMA5926-AU 11 10.45 11.55 6 34.1 550 0.25 1 8.4 926A 1SMA5927-AU 12 11.4 12.6 7 31.2 550 0.25 1 9.1 927A 1SMA5928-AU 13 12.35 13.65 7 28.8 550 0.25 1 9.9 928A 1SMA5929-AU 15 14.25 15.75 9 25 600 0.25 1 11.4 929A 1SMA5930-AU 16 15.2 16.8 10 23.4 600 0.25 1 12.2 930A 1SMA5931-AU 18 17.1 18.9 12 20.8 650 0.25 1 13.7 931A 1SMA5932-AU 20 19 21 14 18.7 650 0.25 1 15.2 932A 1SMA5933-AU 22 20.9 23.1 18 17 650 0.25 1 16.7 933A 1SMA5934-AU 24 22.8 25.2 19 15.6 700 0.25 1 18.2 934A 1SMA5935-AU 27 25.65 28.35 23 13.9 700 0.25 1 20.6 935A 1SMA5936-AU 30 28.5 31.5 26 12.5 750 0.25 1 22.8 936A 1SMA5937-AU 33 31.35 34.65 33 11.4 800 0.25 1 25.1 937A 1SMA5938-AU 36 34.2 37.8 38 10.4 850 0.25 1 27.4 938A 1SMA5939-AU 39 37.05 40.95 45 9.6 900 0.25 1 29.7 939A 1SMA5940-AU 43 40.85 45.15 53 8.7 950 0.25 1 32.7 940A 1SMA5941-AU 47 44.65 49.35 67 8 1000 0.25 1 35.8 941A 1SMA5942-AU 51 48.45 53.55 70 7.3 1100 0.25 1 38.8 942A STAD-FEB.10.2009 1 PAGE . 2 2.5 2 1.5 1 0.5 0 0 20 40 60 80 100 120 140 150 180 qvz, TEMPERATURE COEFICENT (mV/ OC) MAXIMUM POWER DISSIPATION, Watts 1SMA5921-AU~1SMA5942-AU 10 V @I Z ZT 8 6 4 2 0 -2 -4 2 200 V @I Z ZT 70 50 30 20 10 20 30 50 70 10 12 Fig.2 Zener Voltage - to 12 volts 100 200 Zz, DYNAMIC IMPEDANCE (OHMS) qvz, TEMPERATURE COEFICENT (mV/ OC) Fig.1 Steady State Power Derating 10 8 V , ZENER VOLTAGE (VOLTS) Z O LEAD TEMPERATURE, C 100 6 4 1K 500 VZ=150V 200 100 50 T = 25 O C J I (rms) =0.1 I (dc) Z Z 62V 20 10 5 22V 12V 2 1 0.5 Vz, ZENER VOLTAGE (VOLTS) 6.8V 1 5 2 10 20 50 100 200 500 Iz, ZENER TEST CURRENT (mA) Fig.3 Zener Voltage - 14 to 200 Volts Fig.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 20 3 0 40 50 60 70 Vz, ZENER VOLTAGE (VOLTS) Fig.5 Effect of Zener Voltage STAD-FEB.10.2009 1 100 Ppk, PEAKSURGE POWER (WATTS) Zz, DYNAMIC IMPEDANCE (OHMS) 1K 200 RECTANGULAR NONREPETITIVE WAVEFORM O T J =25 C PRIOR TO INTIAL PULSE 500 300 200 100 50 30 20 10 0.1 0.20.3 0.5 1 2 3 5 10 20 30 50 100 PW, PULSE WIDTH (ms) Fig.6 Maximum Surge Power PAGE . 3 1SMA5921-AU~1SMA5942-AU 100 Iz, ZENER CURRENT (mA) Iz, ZENER CURRENT (mA) 100 50 30 20 10 5 3 2 1 0.5 0.3 0.2 0.1 0 1 2 3 4 5 6 7 8 Vz, ZENER VOLTAGE (VOLTS) Fig.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) Fig.8 Vz = 12 thru 82 Volts NOTE 3. ZENER VOLTAGE (Vz) MEASUREMENT Nominal zener voltage is measured with the device function in thermal equilibrium with ambient O temperature at 25 C NOTE 4. ZENER IMPEDANCE (Zz) DERIVATION Zzt and Zzk are measured by dividing the ac voltage drop across the device by the accurrent applied. The specified limits are for Iz(ac) = 0.1 Iz, (dc) with the ac freqency = 60Hz STAD-FEB.10.2009 1 PAGE . 4 1SMA5921-AU~1SMA5942-AU MOUNTING PAD LAYOUT ORDER INFORMATION • Packing information T/R - 7.5K per 13" plastic Reel T/R - 1.8Kper 7” plastic Reel STAD-FEB.10.2009 1 PAGE . 5 1SMA5921-AU~1SMA5942-AU Part No_packing code_Version 1SMA5921-AU_R1_000A1 1SMA5921-AU_R1_000A1 1SMA5921-AU_R2_000A1 1SMA5921-AU_R2_000A1 For example : RB500V-40_R2_00001 Serial number Version code means HF Part No. Packing size code means 13" Packing type means T/R Packing Code XX Packing type Tape and Ammunition Box (T/B) Tape and Reel (T/R) Bulk Packing (B/P) Tube Packing (T/P) Tape and Reel (Right Oriented) (TRR) Tape and Reel (Left Oriented) (TRL) FORMING STAD-FEB.10.2009 1 Version Code XXXXX 1st Code Packing size code A N/A 0 HF 0 serial number R 7" 1 RoHS 1 serial number B 13" 2 T 26mm X S 52mm Y L F PANASERT T/B CATHODE UP (PBCU) PANASERT T/B CATHODE DOWN (PBCD) 2nd Code HF or RoHS 1st Code 2nd~5th Code U D PAGE . 6 1SMA5921-AU~1SMA5942-AU Disclaimer z Reproducing and modifying information of the document is prohibited without permission from Panjit International Inc.. z Panjit International Inc. reserves the rights to make changes of the content herein the document anytime without notification. Please refer to our website for the latest document. z Panjit International Inc. disclaims any and all liability arising out of the application or use of any product including damages incidentally and consequentially occurred. z Panjit International Inc. does not assume any and all implied warranties, including warranties of fitness for particular purpose, non-infringement and merchantability. z Applications shown on the herein document are examples of standard use and operation. Customers are responsible in comprehending the suitable use in particular applications. Panjit International Inc. makes no representation or warranty that such applications will be suitable for the specified use without further testing or modification. z The products shown herein are not designed and authorized for equipments requiring high level of reliability or relating to human life and for any applications concerning life-saving or life-sustaining, such as medical instruments, transportation equipment, aerospace machinery et cetera. Customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Panjit International Inc. for any damages resulting from such improper use or sale. STAD-FEB.10.2009 1 PAGE . 7