Gas Discharge Tube: GD8-H Series 2-Electrode Φ8.0*T6 mm High Surge Features 1. RoHS compliant 2. Rugged ceramic-metal construction 3. Available with or without Leads 4. DC spark-over voltage: 70V ~470V 5. Low capacitance 6. High transient current capability 7. 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 D 8 2 R 0 7 0 A B H 1 2 3 4 5 6 7 8 9 10 11 Electrode Number 2R THINKING Gas Discharge Tube Lead Wire Style 2 Electrodes N A No Lead Axial Lead Packaging B T R Type Series (size) D8 Φ8.0*T6.0 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 H 70V 230V 600V 1400V 2500V 1 High Surge www.thinking.com.tw 2010.09 Gas Discharge Tube: GD8-H Series 2-Electrode Φ8.0*T6 mm High Surge Characteristics DC Breakdown Voltage Max. Impulse Breakdown Voltage Impulse Discharge Current (8/20µs) Normal Alternating Discharge Current Impulse Life (10/1000µs) DC Holdover voltage Type 1 time 10 times 50Hz, 1Sec Single 9 Cycles Maximum Capacitance (1MHz) Safety approvals (GΩ) (pF) UL 497B (100V/S) 100V/µs 1KV/µs (V) (V) (V) GD82R070□□H 70±20% 500 600 52 √ GD82R075□□H 75±20% 500 600 52 √ GD82R090□□H 90±20% 500 600 52 √ GD82R120□□H 120±15% 500 700 52 √ GD82R130□□H 130±15% 500 700 52 √ GD82R145□□H 145±15% 500 700 52 √ GD82R180□□H 180±15% 500 700 GD82R230□□H 230±15% 500 700 80 √ GD82R250□□H 250±15% 500 700 80 √ GD82R300□□H 300±15% 700 900 150 √ GD82R350□□H 350±15% 700 900 150 √ GD82R400□□H 400±15% 800 1000 150 √ GD82R470□□H 470±15% 900 1100 150 √ (KA) 20 100A Minimum Insulation Resistance Times 15 500 (A) 20 <150ms (V) 65 80 10 √ 1.5 Note1: The first □ is the style of lead wire, and the second □ is packaging. Note2: H = High Surge Series Note3: UL / 497B→ File No. E245070 Note 4: Insulation resistance test conditions: DC Breakdown Voltage DC Measuring Voltage 70-90V 50V 120-400V 100V 470-600V 250V THINKING ELECTRONIC INDUSTRIAL Co., LTD. All specification are subject to change without notice 2 www.thinking.com.tw 2010.09 Gas Discharge Tube: GD8-H Series 2-Electrode Φ8.0*T6 mm High Surge Dimensions □ = A (Axial lead type) Unit: mm Dimensions Item d L D Spec. Tolerance D 8.0 +0.3/-0.5 T 6.0 +0.3/-0.5 L 20 Min. d 1.0 ±0.05 T □ = N (No lead type) Unit: mm Dimensions D Item T Spec. Tolerance D 8.0 +0.3/-0.5 T 6.0 +0.3/-0.5 Marking THINKING ELECTRONIC INDUSTRIAL Co., LTD. All specification are subject to change without notice 3 www.thinking.com.tw 2010.09 Gas Discharge Tube: GD8-H Series 2-Electrode Φ8.0*T6 mm High Surge Packaging Bulk Plastic Tray Inner Box Outside Box (263×144×6mm) (270×145×50mm) (320×305×280mm) 100 PCS/ Plastic Tray 5000 PCS/carton 500 PCS/box Taping For 2-electrode axial lead GDT Unit: mm F Dimensions Item Spec. Tolerance L1 52 ±2 L 64 ±3 D 10 ±0.5 D 1.2max. T of Gas Tube L1 F Max. + 1.4 L 330 ± 4.0 1.5 typ. 100 typ. 68 typ. THINKING ELECTRONIC INDUSTRIAL Co., LTD. All specification are subject to change without notice 4 www.thinking.com.tw 2010.09 Gas Discharge Tube: GD8-H Series 2-Electrode Φ8.0*T6 mm High Surge 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 5 www.thinking.com.tw 2010.09