SMDA05C-8 THRU SMDA24C-8 SURFACE MOUNT DIODE ARRAY TRANSIENT VOLTAGE SUPPRESSOR Stand-off Voltage - 5.0 to 24 Volts Peak Pulse Power - 300 Watts FEATURES SO-14/MS-012-AB Plastic package has Underwriters Laboratory Flammability Classification 94V-0 Offers ESD protection in accordance with IEC1000-4-2 (IEC801-2) 0.337(8.55) 0.344(8.75) Monolithic TVS junctions 14 8 1 7 300W peak pulse power surge capability 0.150(3.80) 0.157(4.00) 0.228(5.80) 0.244(6.20) Excellent clamping capability Protection of up to eight data lines 0.050(1.27) 0.013(.33) 0.020(.51) Fast response time: typically less than 5.0ns from 0 volts to V(BR) 0.053(1.35) 0.069(1.75) 0.004(0.10) 0.009(0.25) 0.010(0.25) x 45 0.019(0.50) High temperature soldering guaranteed: 265C for 5 seconds at terminals MECHANICAL DATA 0.007 (0.19) 0.009 (0.25) Case: JEDEC MS-012-AB molded plastic, over passivated junctions 0 - 8 0.016 (0.40) 0.050(1.27) Terminal: Plated, solderable per MIL-STD-750, Method 2026 Polarity: Bidirectional as marked Mounting Position: Any Dimensions in inches and (millimeters) Weight: 0.07 ounce, 1.75 grams MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25C ambient temperature unless otherwise specified. RATING Peak power dissipation with a 8.0/20s waveform (NOTE 1, FIG 1) Peak power pulse current with a SMDA05C-8 8.0/20s waveform (NOTE 1) SMDA12C-8 SMDA15C-8 SMDA24C-8 Operating junction and storage temperature range SYMBOL VALUE UNITS PPPM Minimum 300 20.0 15.0 12.0 7.5 -50 to +125 Watts IPPM TJ,TSTG NOTES: (1) Non-repetitive current pulse, per Fig.3 and derated above TA=25C per Fig. 2 (2) Mounted on copper pad areas of 0.045 x 0.030" (1.14 x 0.076mm) per leg BIDIRECTIONAL APPLICATIONS All electrical characteristics apply in both directions Amps C ELECTRICAL CHARACTERISTICS at 25C DEVICE MARKING CODE PART NUMBER BIDIRECTIONAL STAND-OFF VOLTAGE MINIMUM BREAKDOWN VOLTAGE at IT=1.0mA (NOTE 1) MAXIMUM CLAMPING VOLTAGE at IPP = 1A MAXIMUM CLAMPING VOLTAGE at IPP = 5A MAXIMUM REVERSE LEAKAGE CURRENT at VWM MAXIMUM JUNCTION CAPACITANCE VWM Volts V(BR) Volts VC (NOTE 2) Volts VC (NOTE 2) Volts ID A CJ pF (NOTE 3) SMDA05C-8 SEB 5.0 6.0* 9.8 11.0 100.0 350 SMDA12C-8 SED 12.0 13.4 19.0 24.0 1.0 150 SMDA15C-8 SEF 15.0 16.7 24.0 30.0 1.0 120 SMDA24C-8 SEH 24.0 26.7 43.0 55.0 1.0 100 NOTES: (1) V(BR) measured at pulse width of 300s sq. wave or equivalent (2) Surge current waveform per Fig. 3 and derate per Fig. 2 (3) Junction capacitance measured at 1.0 MHZ and applied VR=0 volts * V(BR) test current (IT) is 10 mA *Application note: Due to the topology of the SMDA array the VRWM and V(BR) specifications also apply to the differential voltage between any two data line pins. CIRCUIT DIAGRAM* - top view GND 14 Hence the SMDA12C-8 is designed to "see" a maximum voltage excursion of 6 volts between any two data lines. SOLDER PAD GEOMETRY GND 8 N/C 0.045 0.005 (1.14 .127) .245 (6.22) min 0.160 0.005 (4.06 .127) 0.030 0.005 (.762 .127) 1 GND 0.050 typ. (.127) 7 GND N/C Dimensions in inches and (millimeters) *SMDA05C-8 is common anode configuration RATING AND CHARACTERISTIC CURVES FOR SMDA05C-8 THRU SMDA24C-8 FIG. 2 - PULSE DERATING CURVE FIG. 1 - PEAK PULSE POWER RATING CURVE PEAK PULSE IN DERATING IN OF OF PEAK PULSE OR CURENT, % WAVEFORM - SEE FIG. 3 NON-REPETITIVE 1 0.1 0.01 100ns 1s 100s 10s 1ms 100 75 50 25 0 10ms 0 25 td, PULSE DURATION, sec. FIG. 3 - PULSE WAVEFORM PULSE DURATION (td) IS DEFINED as the POINT WHERE the PEAK CURRENT DECAYS to 50% of IPP tr=8.0 sec PEAK VALUE IPP 100 HALF VALUE - IPP 2 50 8/20s WAVEFORM AS DEFINED BY ANSI/EEE C62.35 td 0 0 10 20 50 75 100 125 150 175 200 TA, AMBIENT TEMPERATURE, C 150 IPPM, PEAK PULSE CURRENT, % PPPM, PEAK PULSE POWER, kW 10 30 40 t, TIME, s 50 60 70 80