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| LESHAN RADIO COMPANY, LTD. Transient Voltage Suppressors for ESD Protection General Description The LGS0T12LT1G is a transient voltage suppressor designed to protect components which are connected to data and transmission lines against ESD. It clamps the voltage just above the logic level supply for positive transients, and to a diode drop below ground for negative transients. LGS0T12LT1G 3 1 2 Applications Computers Printers Communication systems SOT- 23 Features Unidirectional Transil functions Low leakage current: IR max< 20 A at VRM 300W peak pulse power(8/20s) Transient protection for data lines as per IEC61000-4-2(ESD) 15KV(air) 8KV(contact) IEC61000-4-5(Lightning) see IPPM below We declare that the material of product compliance with RoHS requirements. ORDERING INFORMATION Device LGS0T12LT1G Package SOT-23 Shipping 3000/Tape & Reel Absolute Ratings (Tamb=25C ) Symbol Parameter Value Units PPP TL Tstg Top Tj Peak Pulse Power (tp = 8/20s) Maximum lead temperature for soldering during 10s Storage Temperature Range Operating Temperature Range Maximum junction temperature Electrostatic discharge 300 260 -55 to +15 -40 to +125 150 W C C C C VPP IEC61000-4-2 air discharge IEC61000-4-2 contact discharge 15 8 kv 1/7 LESHAN RADIO COMPANY, LTD. LGS0T12LT1G Electrical Parameter Symbol VRM VBR VCL IRM IPPM Parameter Stand-off voltage Breakdown voltage Clamping voltage Leakage current Peak pulse current Electrical Characteristics Maximum Rated Stand-off Part Numbers Voltage @ VRM VRM V LGSOT04LT1G LGSOT05LT1G LGSOT08LT1G LGSOT12LT1G Minimum Breakdown Voltage 1mA VBR V 5.0 6.0 8.5 13.3 Maximum Clamping Voltage 1A 1) Maximum Pulse Peak Current Leakage Current Maximum Capacitance 0v, 1MHz C pF 300 220 190 150 5A 1) tp=8/20us IPPM IRM A 20.0 20.0 5.0 1.0 VCL V 8.5 9.8 13.4 19.0 V 10.5 12.5 15.0 28.0 A 17 17 15 12 4.0 5.0 8.0 12.0 1).8/20 waveform used. (see fig2.) Typical Characteristics Fig1. Peak Pulse Power VS Pulse Time 2/7 LESHAN RADIO COMPANY, LTD. LGS0T12LT1G Fig2. Pulse Waveform Fig3.Power Derating 3/7 LESHAN RADIO COMPANY, LTD. LGS0T12LT1G Application Note Electrostatic discharge (ESD) is a major cause of failure in electronic systems. Transient Voltage Suppressors (TVS) are an ideal choice for ESD protection. They are capable of clamping the incoming transient to a low enough level such that damage to the protected semiconductor is prevented. Surface mount TVS offer the best choice for minimal lead inductance. They serve as parallel protection elements, connected between the signal line to ground. As the transient rises above the operating voltage of the device, the TVS becomes a low impedance path diverting the transient current to ground. The LGS0T12LT1G is the ideal board evel protection of ESD sensitive semiconductor components. The tiny SOT23 package allows design flexibility in the design of high density boards where the space saving is at a premium. This enables to shorten the routing and contributes to hardening againt ESD. 4/7 LESHAN RADIO COMPANY, LTD. LGS0T12LT1G SOT-23 NOTES: A L 3 1 V G 2 BS DIM A B C D G H J K L S V MIN 0.1102 0.0472 0.0350 0.0150 0.0701 0.0005 0.0034 0.0140 0.0350 0.0830 0.0177 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M,1982 2. CONTROLLING DIMENSION: INCH. INCHES MAX 0.1197 0.0551 0.0440 0.0200 0.0807 0.0040 0.0070 0.0285 0.0401 0.1039 0.0236 MILLIMETERS MIN MAX 2.80 3.04 1.20 1.40 0.89 1.11 0.37 0.50 1.78 2.04 0.013 0.100 0.085 0.177 0.35 0.69 0.89 1.02 2.10 2.64 0.45 0.60 C D H K J 0.037 0.95 0.037 0.95 0.079 2.0 0.035 0.9 0.031 0.8 inches mm 5/7 LESHAN RADIO COMPANY, LTD. EMBOSSED TAPE AND REEL DATA FOR DISCRETES T Max Outside Dimension Measured at Edge 13.0mm 0.5mm 1.5mm Min (.512 .002'') (.06'') A 20.2mm Min (.795'') 50mm Min (1.969'') Full Radius G Inside Dimension Measured Near Hub Size 8 mm A Max 330mm (12.992'') G 8.4mm+1.5mm, -0.0 (.33''+.059'', -0.00) T Max 14.4mm (.56'') Reel Dimensions Metric Dimensions Govern -- English are in parentheses for reference only Storage Conditions Temperature: 5 to 40 Deg.C (20 to 30 Deg. C is preferred) Humidity: 30 to 80 RH (40 to 60 is preferred ) Recommended Period: One year after manufacturing (This recommended period is for the soldering condition only. The characteristics and reliabilities of the products are not restricted to this limitation) 6/7 LESHAN RADIO COMPANY, LTD. Shipment Specification CPN LABEL LABEL LABEL 10Reel/Inner Box 30KPCS/Inner Box Dim(Unit:mm) 195mm*195mm*150mm 10 Reel 3000PCS/Reel 80KPCS/Inner Box (SOT-723,SOD-723,SOD-923) 8000PCS/Reel (SOT-723,SOD-723,SOD-923) Dim(Unit:mm) 460mm*400mm*420mm LABEL MARK Leshan Radio Company,Ltd. 12 Inner Box/Carton 360KPCS/Carton 960KPCS/Carton (SOT-723,SOD-723,SOD-923) 7/7 |
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