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SMAT70A Datasheet(PDF) 1 Page - Diodes Incorporated |
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SMAT70A Datasheet(HTML) 1 Page - Diodes Incorporated |
1 / 3 page DS30213 Rev. 7 - 2 1 of 3 SMAT70A/SMBT70A www.diodes.com ã Diodes Incorporated SMAT70A/SMBT70A 400W, 600W SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR Maximum Ratings @ TA = 25°C unless otherwise specified Characteristic Symbol SMAT70A SMBT70A Unit Peak Pulse Power Dissipation (Non repetitive current pulse derated above TA =25 °C) PPK 400 600 W Peak Forward Surge Current, 8.3ms Single Half Sine Wave Superimposed on Rated Load (JEDEC Method) (Note 2) IFSM 40 100 A Instantaneous Forward Voltage @ IPP = 35A (Note 2) VF 3.5 V Operating and Storage Temperature Range Tj,TSTG -55 to +150 °C Features · Case: SMA/SMB · Case Material: Molded Plastic. UL Flammability Classification Rating 94V-0 · Moisture Sensitivity: Level 1 per J-STD-020C · Terminals: Lead Free Plating (Matte Tin Finish). Solderable per MIL-STD-202, Method 208 · Polarity Indicator: Cathode Band · Marking: Date Code (See Page 3) and Marking Code (See Page 1) · Ordering Information: See Page 3 · Weight: SMA 0.064 grams SMB 0.093 grams · 400, 600W Peak Pulse Power Dissipation · 70V Standoff Voltage · 100V Maximum Clamping Voltage - A requirement of many -48V Backplane Telecom Applications · Glass Passivated Die Construction · Fast Response Time: Typically less than 1 ps · Lead Free Finish/RoHS Complaint (Note 4) Mechanical Data A B C D G H E J Part Number Reverse Standoff Voltage Breakdown Voltage VBR @ IT (Note 3) Test Current Max. Reverse Leakage @ VRWM Max. Clamping Voltage @ Ipp Max. Peak Pulse Current Ipp Typical Junction Capacitance (Note 3) Typical Voltage Temp. Variation of VBR Marking Code VRWM (V) Min (V) Max (V) IT (mA) IR ( mA) VC (V) (A) (pF) mV/ °C SMAT70A 70 77.8 89.5 1.0 5.0 100 3.5 140 80 KEX SMBT70A 70 77.8 89.5 1.0 5.0 100 5.3 290 80 NPX Notes: 1. Measured with 8.3ms single half sine-wave. Duty cycle = 4 pulses per minute maximum. 2. VBR measured with IT current pulse = 300 ms. 3. f = 1MHz, VR = 0VDC. 4. RoHS revision 13.2.2003. Glass and High Temperature Solder Exemptions Applied, see EU Directive Annex Notes 5 and 7. Package SMAT70A SMBT70A SMA SMB Dim Min Max Min Max A 2.29 2.92 3.30 3.94 B 4.00 4.60 4.06 4.57 C 1.27 1.63 1.96 2.21 D 0.15 0.31 0.15 0.31 E 4.80 5.59 5.00 5.59 G 0.10 0.20 0.10 0.20 H 0.76 1.52 0.76 1.52 J 2.01 2.62 2.00 2.62 SMA, SMB @TA = 25°C unless otherwise specified Electrical Characteristics |
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