Features ■ ■ ■ ■ ■ 0402 and 0603 package options Rated for IEC 61000-4-2, level 4 Withstands multiple ESD strikes Low capacitance and leakage currents for invisible load protection Tape and reel packaging ChipGuard® MLA Series Varistor ESD Clamp Protectors Description The ChipGuard® CG0402MLA and CG0603MLA Series is based on a multilayer metal oxide technology. The MLA family is designed to protect sensitive electronic circuits from the threat of electrostatic discharge ESD. The MLA series is available from 5.5 V to 26 V DC working voltages. The wide operating voltage and temperature range makes this family ideally suited to IC power supplies, signal and control line protection. Electrical Characteristics @ 25 °C (unless otherwise noted) Model Vrms (V) VDC (V) VN Min. (V) <50 µA CG0402MLA-5.5MG CG0402MLA-14KG CG0402MLA-18KG CG0603MLA-5.5ME CG0603MLA-14KE CG0603MLA-18KE CG0603MLA-26KE 4 11 14 4 11 14 20 VN Max. (V) 1 mA DC 5.5 14 18 5.5 14 18 26 6.4 16.2 19.8 6.4 16.2 19.8 27.9 9.6 19.8 24.2 9.6 19.8 24.2 34.1 VC (V) ITM (Max.) (A) WTM (Max.) (J) CP (pF) Typ. 1 A @ 8/20 µs @ 8/20 µs 10/1000 µs 1 Vrms @ 1 MHz 19 38 45 19 35 40 58 20 20 20 30 30 30 30 0.05 0.05 0.05 0.1 0.1 0.1 0.1 300 100 95 300 160 140 120 Environmental Characteristics Device Symbol Operating Temperature................................................................................-55 °C to +125 °C Storage Temperature ..................................................................................-55 °C to +125 °C Response Time ................................................................................................................<1 ns Standard ..............................................................................................IEC 61000-4-2 Level 4 V How to Order CG 0402 MLA - 5.5 M G ChipGuard® Product Designator Package Option 0402 = 0402 Package 0603 = 0603 Package Multilayer Series Designator Operating Voltage 5.5 = 5.5 V 14 = 14 V 18 = 18 V 26 = 26 V Reliable Electronic Solutions Asia-Pacific: TEL +886-2 25624117 • FAX +886-2 25624116 Europe: TEL +41-41 7685555 • FAX +41-41 7685510 North America: TEL +1-909 781-5500 • FAX +1-909 781-5700 TEL +1-951 781-5500 • FAX +1-951 781-5700 (after 7/17/04) www.bourns.com Specifications are subject to change without notice. Customers should verify device performance in their specific applications. Tolerance K = 10 % M = 20 % Tape & Reel Packaging E = 4,000 pcs. per reel (CG0603MLA Series) G = 10,000 pcs. per reel (CG0402MLA Series) Ni barrier terminations are standard on all ChipGuard® part numbers. ChipGuard® MLA Series Varistor ESD Clamp Protectors Voltage-Current Characteristics 10 2 CG0402MLA-18KG CG0402MLA-14KG Voltage (Volts) CG0402MLA-5.5MG CG0402MLA-18KG 10 1 CG0402MLA-14KG CG0402MLA-5.5MG 10 0 10-8 10-7 10-6 10-5 10-4 10-3 10-2 SOURCE = DC 10-1 10 0 10 1 10 2 10 3 10 4 SOURCE = 8/20 µs PULSE, IPEAK I Current (Amps) CG0603MLA-18KE 10 2 CG0603MLA-14KE Voltage (Volts) CG0603MLA-5.5ME CG0603MLA-18KE 10 1 CG0603MLA-14KE CG0603MLA-5.5ME 10 0 10-8 10-7 10-6 10-5 SOURCE = DC 10-4 10-3 10-2 10-1 10 0 10 1 10 2 10 3 10 4 SOURCE = 8/20 µs PULSE, IPEAK I Current (Amps) Specifications are subject to change without notice. Customers should verify device performance in their specific applications. ChipGuard® MLA Series Varistor ESD Clamp Protectors Recommended Pad Layout Product Dimensions A A W B L DIMENSIONS = B C MM (INCHES) D Dimension CG0402MLA Series CG0603MLA Series Dim. CG0402MLA Series CG0603MLA Series L 1.00 ± 0.15 (0.04 ± 0.006) 1.60 ± 0.20 (0.064 ± 0.008) A 0.51 (0.020) 0.76 (0.030) W 0.50 ± 0.10 (0.02 ± 0.004) 0.80 ± 0.20 (0.032 ± 0.008) B 0.61 (0.024) 1.02 (0.040) A 0.50 ± 0.10 (0.02 ± 0.004) 0.80 ± 0.20 (0.032 ± 0.008) C 0.51 (0.020) 0.50 (0.020) B 0.25 ± 0.15 (0.010 ± 0.006) 0.30 ± 0.20 (0.012 ± 0.008) D 1.70 (0.067) 2.54 (0.100) Solder Reflow Recommendations 300 Preheat Stages 1-3 Soldering Cooling A Stage 1 Preheat Ambient to Preheating 30 s to 60 s Temperature 200 B Stage 2 Preheat 140 °C to 160 °C 150 C Stage 3 Preheat Preheat to 200 °C 20 s to 40 s D Main Heating 200 210 220 230 240 60 55 50 40 30 E Cooling 200 °C to 100 °C Temperature (°C) 250 100 50 0 110 sec. (min.) 30-70 sec. 120 sec. (min.) °C °C °C °C °C 60 s to 120 s s s s s s to to to to to 70 65 60 50 40 s s s s s 1 °C/s to 4 °C/s Time (seconds) • • • • This product can be damaged by rapid heating, cooling or localized heating. Heat shocks should be avoided. Preheating and gradual cooling recommended. Excessive solder can damage the device. Print solder thickness of 150 to 200 um recommended. Solder gun tip temperature should be kept below 280 °C and should not touch the device directly. Contact should be less than 3 seconds. A solder gun under 30 watts is recommended. Specifications are subject to change without notice. Customers should verify device performance in their specific applications. ChipGuard® MLA Series Varistor ESD Clamp Protectors Packaging Dimensions 13.0 ± 1.0 (0.52 ± 0.04) 8.00 ± 0.30 (0.32 ± 0.012) 4.00 ± 0.10 (0.16 ± 0.004) C 1.50 ± 0.10 (0.06 ± 0.004) 62.0 ± 1.50 (2.48 ± 0.06) 2.0 ± 0.50 (0.08 ± 0.02) L 13.0 ± 0.50 (0.52 ± 0.02) TOP TAPE G W 21.0 ± 0.80 (0.84 ± 0.032) D 180.8 ± 2.0 (7.12 ± 0.08) 3.50 ± 0.05 (0.14 ± 0.002) NOTES: TAPE MATERIAL IS PAPER. 0.60 ± 0.05 TAPE THICKNESS IS (0.024 ± 0.002) COVER TAPE ADHESION IS 40 ± 15 GRAMS. 9.0 ± 0.50 (0.36 ± 0.02) Dimension CG0402MLA Series CG0603MLA Series C 1.75 ± 0.05 (0.04 ± 0.002) 1.75 ± 0.10 (0.04 ± 0.004) D 2.00 ± 0.02 (0.08 ± 0.0008) 2.00 ± 0.05 (0.08 ± 0.002) L 1.12 ± 0.03 (0.045 ± 0.0012) 1.80 ± 0.20 (0.072 ± 0.008) W 0.62 ± 0.03 (0.025 ± 0.0012) 0.90 ± 0.20 (0.036 ± 0.008) G 2.0 ± 0.05 (0.08 ± 0.002) REV. D 07/04 Specifications are subject to change without notice. Customers should verify device performance in their specific applications. “ChipGuard” is a registered trademark of Bourns, Inc.