MMQA Quad Common Anode Series Preferred Devices SC−74 Quad Monolithic Common Anode Transient Voltage Suppressors for ESD Protection http://onsemi.com This quad monolithic silicon voltage suppressor is designed for applications requiring transient overvoltage protection capability. It is intended for use in voltage and ESD sensitive equipment such as computers, printers, business machines, communication systems, medical equipment, and other applications. Its quad junction common anode design protects four separate lines using only one package. These devices are ideal for situations where board space is at a premium. SC−74 QUAD TRANSIENT VOLTAGE SUPPRESSOR 24 WATTS PEAK POWER 5.6 − 33 VOLTS PIN ASSIGNMENT Features 1 6 • SC−74 Package Allows Four Separate Unidirectional Configurations • Peak Power − Min. 24 W @ 1.0 ms (Unidirectional), 2 5 3 4 • • • • • per Figure 5 Waveform Peak Power − Min. 150 W @ 20 ms (Unidirectional), per Figure 6 Waveform Maximum Clamping Voltage @ Peak Pulse Current Low Leakage < 2.0 mA ESD Rating of Class N (exceeding 16 kV) per the Human Body Model Pb−Free Packages are Available THERMAL CHARACTERISTICS (TA = 25°C unless otherwise noted) Characteristic Symbol Value Unit Peak Power Dissipation @ 1.0 ms (Note 1) @ TA ≤ 25°C Ppk 24 W Peak Power Dissipation @ 20 ms (Note 2) @ TA ≤ 25°C Ppk 150 W Total Power Dissipation on FR-5 Board (Note 3) @ TA = 25°C °PD° °225 1.8 mW° mW/°C ° Thermal Resistance from Junction−to−Ambient RqJA 556 °C/W Total Power Dissipation on Alumina Substrate (Note 4) @ TA = 25°C Derate above 25°C °PD° °300 2.4 mW° mW/°C Thermal Resistance from Junction−to−Ambient RqJA 417 °C/W TJ, Tstg °− 55 to +150° °C TL 260 °C Junction and Storage Temperature Range Lead Solder Temperature − Maximum (10 Second Duration) 6 1 SC−74 PLASTIC CASE 318F PIN 1. 2. 3. 4. 5. 6. CATHODE ANODE CATHODE CATHODE ANODE CATHODE MARKING DIAGRAM xxx M G G xxx = Device Code M = Date Code* G = Pb−Free Package (Note: Microdot may be in either location) *Date Code orientation may vary depending upon manufacturing location. DEVICE MARKING INFORMATION See specific marking information in the device marking table on page 5 of this data sheet. ORDERING INFORMATION See detailed ordering and shipping information in the table on page 5 of this data sheet. Preferred devices are recommended choices for future use and best overall value. © Semiconductor Components Industries, LLC, 2005 August, 2005 − Rev. 6 1 Publication Order Number: MMQA/D MMQA Quad Common Anode Series ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted) UNIDIRECTIONAL (Circuit tied to pins 1, 2, and 5; Pins 2, 3, and 5; Pins 2, 4, and 5; or Pins 2, 5, and 6) (VF = 0.9 V Max @ IF = 10 mA) Max Reverse Leakage Current Breakdown Voltage VZT (Note 5) (V) @ IZT IR VR Max Zener Impedance (Note 7) Max Reverse Surge Current Max Reverse Voltage @ IRSM (Note 6) (Clamping Voltage) Maximum Temperature Coefficient of VZ Capacitance @ 0 Volt Bias, 1 MHz (pF) Device Min Nom Max (mA) (nA) (V) ZZT @ IZT (W) (mA) IRSM (A) VRSM (V) (mV/°C) Min Max MMQA5V6T1,T3 5.32 5.6 5.88 1.0 2000 3.0 400 3.0 8.0 1.26 − − MMQA6V2T1,T3 5.89 6.2 6.51 1.0 700 4.0 300 2.66 9.0 10.6 − − MMQA6V8T1,T3 6.46 6.8 7.14 1.0 500 4.3 300 2.45 9.8 10.9 100 250 MMQA12VT1,T3 11.4 12 12.6 1.0 75 9.1 80 1.39 17.3 14 − − MMQA13VT1 12.4 13 13.7 1.0 75 9.8 80 1.29 18.6 15 − − MMQA15VT1,T3 14.3 15 15.8 1.0 75 11 80 1.1 21.7 16 − − MMQA18VT1,T3 17.1 18 18.9 1.0 75 14 80 0.923 26 19 − − MMQA20VT1,T3 19 20 21 1.0 75 15 80 0.84 28.6 20.1 − − MMQA21VT1,T3 20 21 22.1 1.0 75 16 80 0.792 30.3 21 − − MMQA22VT1,T3 20.9 22 23.1 1.0 75 17 80 0.758 31.7 22 − − MMQA24VT1,T3 22.8 24 25.2 1.0 75 18 100 0.694 34.6 25 − − MMQA27VT1,T3 25.7 27 28.4 1.0 75 21 125 0.615 39 28 − − MMQA30VT1,T3 28.5 30 31.5 1.0 75 23 150 0.554 43.3 32 − − MMQA33VT1,T3 31.4 33 34.7 1.0 75 25 200 0.504 48.6 37 − − 1. 2. 3. 4. 5. 6. 7. Non-repetitive current pulse per Figure 5 and derate above TA = 25°C per Figure 4. Non-repetitive current pulse per Figure 6 and derate above TA = 25°C per Figure 4. FR-5 = 1.0 x 0.75 x 0.62 in. Alumina = 0.4 x 0.3 x 0.024 in., 99.5% alumina VZ measured at pulse test current IT at an ambient temperature of 25°C. Surge current waveform per Figure 5 and derate per Figure 4. ZZT is measured by dividing the AC voltage drop across the device by the AC current supplied. The specified limits are IZ(AC) = 0.1 IZ(DC), with AC frequency = 1 kHz. TYPICAL CHARACTERISTICS 300 10,000 BIASED AT 0 V BIASED AT 1 V BIASED AT 50% OF VZ NOM 200 1,000 I R , LEAKAGE (nA) C, CAPACITANCE (pF) 250 150 100 +150°C 100 +25°C 10 −40°C 50 0 5.6 6.8 12 20 27 VZ, NOMINAL ZENER VOLTAGE (V) 0 33 5.6 6.8 20 27 VZ, NOMINAL ZENER VOLTAGE (V) Figure 1. Typical Capacitance Figure 2. Typical Leakage Current http://onsemi.com 2 33 MMQA Quad Common Anode Series PD , POWER DISSIPATION (mW) 300 250 ALUMINA SUBSTRATE 200 150 100 FR-5 BOARD 50 0 0 25 50 75 100 125 150 175 PEAK PULSE DERATING IN % OF PEAK POWER OR CURRENT @ TA = 25 ° C TYPICAL CHARACTERISTICS 100 90 80 70 60 50 40 30 20 10 0 0 25 50 TA, AMBIENT TEMPERATURE (°C) Figure 3. Steady State Power Derating Curve VALUE (%) HALF VALUE− 50 100 tr 90 % OF PEAK PULSE CURRENT PEAK VALUE−I RSM 100 100 125 150 175 200 Figure 4. Pulse Derating Curve PULSE WIDTH (tP) IS DEFINED AS THAT POINT WHERE THE PEAK CURRENT DECAYS TO 50% OF IRSM. tr ≤ 10 ms tr 75 TA, AMBIENT TEMPERATURE (°C) IRSM 2 tP PEAK VALUE IRSM @ 8 ms PULSE WIDTH (tP) IS DEFINED AS THAT POINT WHERE THE PEAK CURRENT DECAY = 8 ms 80 70 60 HALF VALUE IRSM/2 @ 20 ms 50 40 30 tP 20 10 0 0 1 2 3 0 4 0 20 40 t, TIME (ms) 200 RECTANGULAR WAVEFORM, TA = 25°C 180 PPK , PEAK SURGE POWER (W) Ppk PEAK SURGE POWER (W) 80 Figure 6. 8 × 20 ms Pulse Waveform Figure 5. 10 × 1000 ms Pulse Waveform 100 60 t, TIME (ms) 10 UNIDIRECTIONAL 160 8 × 20 WAVEFORM AS PER FIGURE 6 140 120 100 80 10 × 100 WAVEFORM AS PER FIGURE 5 60 40 20 1.0 0.1 1.0 10 100 1000 0 5.6 PW, PULSE WIDTH (ms) 6.8 12 20 27 NOMINAL VZ Figure 7. Maximum Non−Repetitive Surge Power, Ppk versus PW Figure 8. Typical Maximum Non−Repetitive Surge Power, Ppk versus VBR Power is defined as VRSM x IZ(pk) where VRSM is the clamping voltage at IZ(pk). http://onsemi.com 3 33 MMQA Quad Common Anode Series TYPICAL COMMON ANODE APPLICATIONS A quad junction common anode design in a SC−74 package protects four separate lines using only one package. This adds flexibility and creativity to PCB design especially when board space is at a premium. A simplified example of MMQA Series Device applications is illustrated below. Computer Interface Protection A KEYBOARD TERMINAL PRINTER ETC. B C I/O D FUNCTIONAL DECODER GND MMQA SERIES DEVICE Microprocessor Protection VDD VGG ADDRESS BUS RAM ROM DATA BUS I/O CPU CLOCK CONTROL BUS GND MMQA SERIES DEVICE http://onsemi.com 4 MMQA Quad Common Anode Series DEVICE MARKING AND ORDERING INFORMATION Device Marking Package Shipping † MMQA5V6T1* 5A6 SC−74 3,000/Tape & Reel MMQA6V2T1* 6A2 SC−74 3,000/Tape & Reel MMQA6V2T3* 6A2 SC−74 10,000/Tape & Reel MMQA6V8T1* 6A8 SC−74 3,000/Tape & Reel MMQA12VT1* 12A SC−74 3,000/Tape & Reel MMQA13VT1* 13A SC−74 3,000/Tape & Reel MMQA15VT1* 15A SC−74 3,000/Tape & Reel MMQA18VT1* 18A SC−74 3,000/Tape & Reel MMQA20VT1* 20A SC−74 3,000/Tape & Reel MMQA20VT3* 20A SC−74 10,000/Tape & Reel MMQA21VT1* 21A SC−74 3,000/Tape & Reel MMQA22VT1* 22A SC−74 3,000/Tape & Reel MMQA24VT1* 24A SC−74 3,000/Tape & Reel MMQA27VT1* 27A SC−74 3,000/Tape & Reel MMQA27VT3* 27A SC−74 10,000/Tape & Reel MMQA30VT1* 30A SC−74 3,000/Tape & Reel MMQA33VT1* 33A SC−74 3,000/Tape & Reel Device* †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. *The “G’’ suffix indicates Pb−Free package available. Mechanical Characteristics: CASE: Void-free, transfer-molded, thermosetting plastic case. FINISH: Corrosion resistant finish, easily solderable. Package designed for optimal automated board assembly. Small package size for high density applications. Available in 8 mm Tape and Reel. Use the Device Number to order the 7 inch/3,000 unit reel. Replace the “T1” with “T3” in the Device Number to order the 13 inch/10,000 unit reel. http://onsemi.com 5 MMQA Quad Common Anode Series PACKAGE DIMENSIONS SC−74 CASE 318F−05 ISSUE L NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH THICKNESS. MINIMUM LEAD THICKNESS IS THE MINIMUM THICKNESS OF BASE MATERIAL. 4. 318F−01, −02, −03 OBSOLETE. NEW STANDARD 318F−04. D 6 5 4 2 3 E HE 1 DIM A A1 b c D E e L HE q b e C A 0.05 (0.002) q L A1 MIN 0.90 0.01 0.25 0.10 2.90 1.30 0.85 0.20 2.50 0° MILLIMETERS NOM MAX 1.00 1.10 0.06 0.10 0.37 0.50 0.18 0.26 3.00 3.10 1.50 1.70 0.95 1.05 0.40 0.60 2.75 3.00 10° − MIN 0.035 0.001 0.010 0.004 0.114 0.051 0.034 0.008 0.099 0° INCHES NOM 0.039 0.002 0.015 0.007 0.118 0.059 0.037 0.016 0.108 − MAX 0.043 0.004 0.020 0.010 0.122 0.067 0.041 0.024 0.118 10° STYLE 1: PIN 1. CATHODE 2. ANODE 3. CATHODE 4. CATHODE 5. ANODE 6. CATHODE SOLDERING FOOTPRINT* 2.4 0.094 0.95 0.037 1.9 0.074 0.95 0.037 0.7 0.028 1.0 0.039 SCALE 10:1 mm Ǔ ǒinches *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. 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