Gas Discharge Tube: GB8 Series 3-Electrode Φ8.0 x T10 mm Type Features 1. RoHS & HF compliant 2. Rugged ceramic-metal construction 3. Available with or without leads 4. Available with fail-safe clip 5. DC spark-over voltage: 75~600V 6. Low capacitance 7. Agency recognition :UL 8. Operating temperature : -40℃ ~ +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 B 8 3 R 0 7 5 M B 1 2 3 4 5 6 7 8 9 10 Product Code G Electrode Number THINKING Gas Discharge Tube 3R B8 Φ8.0 x T10 mm Lead Wire Style 3 Electrodes Size THINKING ELECTRONIC INDUSTRIAL Co., LTD. All specification are subject to change without notice. M No Lead H Radial Lead DC Spark-over Voltage 075 230 600 11 12 Internal Control Code Packaging B 13 Bulk Type (optional) F 75V 230V 600V 38 Fail-Safe Clip www.thinking.com.tw 2014.08 Gas Discharge Tube: GB8 Series 3-Electrode Φ8.0 x T10 mm Type Characteristics DC Spark-over Voltage Max. Impulse Breakdown Voltage Part No. Max. Impulse Discharge Current (8/20μs) Impulse Life (10/1000μs) Normal Alternating Discharge Current DC Holdover Voltage Minimum Insulation Resistance Maximum Capacitance (1MHz) Safety Approvals (GΩ) (pF) UL 497B 100V/S 100V/μs 1KV/μs 10 times 200 A 50Hz,1Sec <150ms (V) (V) (V) (KA) Times (A) (V) GB83R075□□(F) 75±20% 600 700 52 √ GB83R090□□(F) 90±20% 600 700 52 √ GB83R145□□(F) 145±20% 500 700 52 √ GB83R200□□(F) 200±20% 500 700 135 √ GB83R230□□(F) 230±20% 600 700 GB83R250□□(F) 250±20% 600 700 135 √ GB83R350□□(F) 350±20% 700 800 150 √ GB83R400□□(F) 400±20% 800 900 150 √ GB83R470□□(F) 470±20% 900 1000 150 √ GB83R600□□(F) 600±20% 1000 1100 150 √ 20 130 20 135 10 2 √ Note1：The first □ is the style of lead wire, the second □ is packaging. Note2：F = With fail-safe clip for optional. Note 3: UL 497B File No: E245070 Note 4: Insulation resistance test conditions: DC Spark-over Voltage DC Measuring Voltage 75-90V 50V 145-400V 100V 420-600V 250V THINKING ELECTRONIC INDUSTRIAL Co., LTD. All specification are subject to change without notice. 39 www.thinking.com.tw 2014.08 Gas Discharge Tube: GB8 Series 3-Electrode Φ8.0 x T10 mm Type Dimensions Unit: mm □= H (Radial Lead Type) Item D T T1 L L1 S d Dimensions Spec. Tolerance 8.0 10.0 13.4 7.5 4.5 4.4 1.0 +0.2/-0.8 ±0.5 +0.8/-0.5 ±0.5 Min ±0.4 ±0.05 □= M (No Lead Type) Unit: mm Item Dimensions Spec. Tolerance D 8.0 +0.2/-0.8 T 10.0 ±0.5 F = with fail-safe clip for optional Unit: mm T1 Item R1 R1 R2 T1 L S d R2 L S Dimensions Spec. Tolerance 8.1 ±0.3 9.8 ±0.4 13.4 +0.8/-0.5 7.5 ±0.5 4.4 ±0.4 1.0 ±0.05 d THINKING ELECTRONIC INDUSTRIAL Co., LTD. All specification are subject to change without notice. 40 www.thinking.com.tw 2014.08 Gas Discharge Tube: GB8 Series 3-Electrode Φ8.0 x T10 mm Type Marking Size DC Spark-over Voltage Size DC Spark-over Voltage Packaging Bulk : 500 PCS 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. 41 www.thinking.com.tw 2014.08