Gas Discharge Tube: GQF-W Series SMD 3-Electrodes Φ5*T7.2 mm Symmetrical Type Features 1. RoHS & HF compliant 2. Rugged ceramic-metal construction 3. DC spark-over voltage: 230~1100V 4. Low capacitance 5. Agency recognition: UL / cUL 6. Operating temperature : -30℃ ~ +85℃ Storage temperature: -40℃ ~ +115℃ Recommended Applications 1. Cable Modem 2. xDSL 3. Set-Top Box 4. TV sets 5. Power supplier 6. Consumer electronics Part Number Code G Q F 3 R 2 3 0 N R W 1 2 3 4 5 6 7 8 9 10 11 Product Code G Electrode Number 3R THINKING Gas Discharge Tube 3 Electrodes Size QF Lead Wire Style Φ5 * T7.2 mm THINKING ELECTRONIC INDUSTRIAL Co., LTD. All specification are subject to change without notice. N No Lead DC Spark-over Voltage 230 600 11B 12 13 Internal Control Code Packaging R Reel Taping Type W 230V 600V 1100V 45 SMD Symmetrical Type www.thinking.com.tw 2012.08 Gas Discharge Tube: GQF-W Series SMD 3-Electrodes Φ5*T7.2 mm Symmetrical Type Characteristics DC Spark-over Voltage Max. Impulse Discharge Current (8/20μs) Max. Impulse Breakdown Voltage Part No. 1 Time 10 Times Impulse Discharge Life Nom. AC Discharge Current (10/1000μs) 50Hz 1Sec Single Minimum Insulation Resistance Maximum Capacitance (1MHz) (GΩ) (pF) Safety approvals 100V/S 100V/μs 1KV/μs (V) (V) (V) GQF3R230NRW 230±20% 600 700 10 5 5 20 135 √ GQF3R250NRW 250±20% 600 700 10 5 5 20 135 √ GQF3R350NRW 350±20% 650 750 10 5 5 20 135 √ GQF3R400NRW 400±20% 700 800 10 5 5 20 135 √ GQF3R420NRW 420±20% 700 800 10 5 5 20 135 GQF3R470NRW 470±20% 800 900 10 5 5 20 135 √ GQF3R600NRW 600±20% 900 1000 10 5 5 20 135 √ GQF3R800NRW 800±20% 1150 1400 10 5 5 20 135 √ GQF3R11BNRW 1100±20% 1450 1750 10 5 5 20 135 √ (KA) 200A DC Holdover Voltage Times 9 cycles <150ms (A) 300 (V) 1 UL 1449 2 UL 497B √ Note 1: UL 497B File No: E245070 , UL 1449 3rd File No: E314979 Note 2: Insulation resistance test conditions: DC Spark-over Voltage DC Measuring Voltage 145-400V 100V 420-1100V 250V Note 3: DC Spark-over Voltage @ 100V/μs for L1 / L2 to ground and L1 to L2. Note 4: Impulse Breakdown Voltage @ 100V/μs and 1000V/μs for L1 / L2 to ground. Dimension Recommended Pad Size (Unit: mm) (Unit: mm) 8.2 7.2±0.3 3.3 5.0±0.1 5.0±0.1 0.4 1.5 5.6 1.6 0.4 THINKING ELECTRONIC INDUSTRIAL Co., LTD. All specification are subject to change without notice. 46 www.thinking.com.tw 2012.08 Gas Discharge Tube: GQF-W Series SMD 3-Electrodes Φ5*T7.2 mm Symmetrical Type Marking Example: Electrode Number Product Code ∆ GQF □ □ XXX O 3R230W Size Type DC Spark-over Voltage Packaging Taping 330 ± 4.0 P0 D >1.5 typ E F W 100 typ t P K 18typ. Quantity: 900pcs per reel (13”) Unit: mm ITEM Spec. P P0 W F E D K t 12.0 4.0 16.0 7.5 1.75 Φ1.55 5.5 0.5 Tol. ±0.1 ±0.1 ±0.3 ±0.1 ±0.1 ±0.05 ±0.1 ±0.05 Warehouse Storage Conditions of Products Storage Conditions: 1. Storage Temperature: -10℃~+40℃ 2. Relative Humidity: ≦75%RH 3. Keep away from corrosive atmosphere and sunlight. Period of Storage: 1 year THINKING ELECTRONIC INDUSTRIAL Co., LTD. All specification are subject to change without notice. 47 www.thinking.com.tw 2012.08