Gas Discharge Tube： ：GF3 Series SMD L4.5*W3.2*H2.7 mm Features 1. RoHS compliant 2. DC spark-over voltage: 75~600V 3. Low capacitance 4. Agency recognition :UL Recommended Applications 1. Data transmission lines 2. Communication lines 3. CATV system 4. Power distribution system 5. Power supplier 6. Test equipment 7. Instrumentation circuits Part Number Code G F 3 2 R 0 9 0 N R C 1 2 3 4 5 6 7 8 9 10 11 Electrode Number Product Code G 2R THINKING Gas Discharge Tube Lead Wire Style 2 Electrodes N No Lead Packaging B T R Type Series (size) F3 T4.5*3.2 THINKING ELECTRONIC INDUSTRIAL Co., LTD. All specification are subject to change without notice. 12 Internal Control Code Bulk Ammo Taping Reel Taping DC Spark-over Voltage 070 230 600 14B 25B 13 Product Type C 70V 230V 600V 1400V 2500V 1 SMD Square Type www.thinking.com.tw 2010.09 Gas Discharge Tube： ：GF3 Series SMD L4.5*W3.2*H2.7 mm Characteristics DC Breakdown Voltage Impulse Discharge Current (100V/S) (8/20µs) Impulse Withstanding Voltage Capacity Impulse Life Minimum Insulation Resistance Maximum Capacitance 8/20 us,100A (@DC 100V) (1MHz) (Times) (MΩ) (pF) Safety Approvals Model (Times) (V) (KA) UL 497B GF32R075NRC 75±20% √ GF32R090NRC 90±20% √ GF32R120NRC 120±20% √ GF32R150NRC 150±20% √ GF32R200NRC 200±20% √ GF32R230NRC 230±20% GF32R300NRC 300±20% GF32R350NRC 350±20% GF32R400NRC 400±20% √ GF32R420NRC 420±20% √ GF32R470NRC 470±20% √ GF32R500NRC 500±20% √ GF32R600NRC 600±20% √ 10/700us 4kV (Positive/Negative 5 Times) 2 √ 300 Min. 100 0.5 √ √ Note1: UL / 497B→ File No. E245070 Dimension 2.7±0.3 0.5±0.1 4.5±0.3 3.2±0.3 Marking 3 50 Recommended Pad Size (unit:mm) 4.2 1 .5 3 .0 THINKING ELECTRONIC INDUSTRIAL Co., LTD. All specification are subject to change without notice. 2 www.thinking.com.tw 2010.09 Gas Discharge Tube： ：GF3 Series SMD L4.5*W3.2*H2.7 mm Packaging Taping P0 E D F W t P K Quantity： ： 3000pcs per reel (13” ”) Unit: mm ITEM P P0 W F E D K t Spec. 8.0 4.0 12.0 5.45 1.75 Φ1.55 3.5 0.3 Tol. ±0.1 ±0.1 ±0.3 ±0.1 ±0.1 ±0.05 ±0.2 ±0.1 330 ± 4.0 >1.5 100 typ. 14typ. Storage Conditions of GDT (I) Storage conditions: 1. Storage temperature: -10℃ ~ +40℃. 2. Relative humidity: ≦75%RH. 3. Gas discharge tube must be kept away from sunlight and stored in a non-corrosive atmosphere. (II) Shelf life: 1 year THINKING ELECTRONIC INDUSTRIAL Co., LTD. All specification are subject to change without notice. 3 www.thinking.com.tw 2010.09