Gas Discharge Tube： ：GQF Series SMD 3-Electrode Φ5*7.2 mm Type Features 1. RoHS compliant 2. Rugged ceramic-metal construction 3. DC spark-over voltage：75~1100V 4. Low capacitance 5. Agency recognition :UL/cUL 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 Product Code G G Q F 3 R 0 7 5 N B M 1 2 3 4 5 6 7 8 9 10 11 Electrode Number 3R THINKING Gas Discharge Tube Lead Wire Style 3 Electrodes N No Lead Packaging B T R Type Series (size) QF Φ5.0*T7.2 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 M 70V 230V 600V 1400V 2500V 1 SMD Round Type www.thinking.com.tw 2010.09 Gas Discharge Tube： ：GQF Series SMD 3-Electrode Φ5*7.2 mm Type Characteristics DC Breakdown Voltage Impulse Discharge Current (8/20µs) Max. Impulse Breakdown Voltage Type 1 time Normal Alternating Discharge Current Impulse Life (10/1000µs) 10 times 200A 50Hz, 1Sec Single 9 Cycles DC Holdover voltage Minimum Insulation Resistance Maximum Capacitance (1MHz) (GΩ) (pF) Safety approvals (100V/S) 100V/µs 1KV/µs <150ms (V) (V) (V) GQF3R075NRM 75±20% 600 700 10 5 5 30 52 √ GQF3R090NRM 90±20% 500 600 10 5 5 30 52 √ GQF3R120NRM 120±20% 500 600 10 5 5 30 80 √ GQF3R150NRM 150±20% 500 600 10 5 5 30 80 √ GQF3R200NRM 200±20% 600 700 15 10 10 60 135 √ GQF3R230NRM 230±20% 600 700 15 10 10 60 135 √ GQF3R250NRM 250±20% 600 700 15 10 10 60 135 UL (KA) Times (A) (V) 1449/ cUL 300 UL 497B √ 1 2 GQF3R350NRM 350±20% 650 750 15 10 10 60 135 √ GQF3R400NRM 400±20% 700 800 15 10 10 60 135 √ GQF3R420NRM 420±20% 700 800 15 10 10 60 135 √ GQF3R470NRM 470±20% 800 900 15 10 10 60 135 √ GQF3R600NRM 600±20% 900 1000 10 5 5 60 135 √ GQF3R800NRM 800±20% 1150 1400 10 5 5 30 135 √ GQF3R11BNRM 1100±20% 1450 1750 10 5 5 30 135 √ Note1: UL / 497B→ File No. E245070, UL / 1449 3rd→ File No.E314979 Note 2: Insulation resistance test conditions: DC Breakdown Voltage DC Measuring Voltage 70-90V 50V 120-400V 100V 420-800V 250V 1000-2000V 500V Dimension 5.0±0.1 5.0±0.1 7.2±0.3 0.4 1.5 0.4 THINKING ELECTRONIC INDUSTRIAL Co., LTD. All specification are subject to change without notice. 2 www.thinking.com.tw 2010.09 Gas Discharge Tube： ：GQF Series SMD 3-Electrode Φ5*7.2 mm Type Marking GQF Packaging Taping P0 D E F W t P K Quantity： ： 900pcs per reel (13” ”) Unit: mm ITEM P P0 W F E D K t Spec. 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 ±0.05 330 ± 4.0 >1.5 100 typ. 18typ. THINKING ELECTRONIC INDUSTRIAL Co., LTD. All specification are subject to change without notice. 3 www.thinking.com.tw 2010.09 Gas Discharge Tube： ：GQF Series SMD 3-Electrode Φ5*7.2 mm Type 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. 4 www.thinking.com.tw 2010.09