B32-350-LF

B32 SERIES Gas Discharge Tube (GDT) Data Sheet Features ■ ■ ■ ■ ■ ■ High insulation resistance Low capacitance (≤0.5pF) 500A 8/20μs maximum surge current capacity in accordance with IEC61000-4-5 4KV 10/700μs maximum surge rating in accordance with ITU-TK.21 Surface mounted gas arrester Micro-Gap Design ■ ■ ■ ■ Size 3216(1206) Storage and operating temperature: -40℃ ~ +85℃ Meets MSL level 1, per J-STD-020 Safety certification: E244458 Applications ■ Repeaters, Modems ■ Telephone Interface, Line cards ■ Data communication equipment ■ Line test equipment Part Number Code B32 XXX LF Lead Free DC Spark-over Voltage Size 3.2±0.3mm 1.8mm 1.6±0.3mm 1.6±0.3mm Dimensions 2.0mm 1.6±0.3mm 4.4mm Recommended Pad Size Revision: GDT-B32 SERIES-001(A2) 2/5 http://brightking.pulseelectronics.com B32 SERIES Electrical Characteristics DC Spark-over Voltage Maximum Impulse Spark-over Voltage Maximum Capacitance Nominal Impulse Discharge Current 100V/s 1000V/μs Test Voltage (1MHz) 8/20μs (V) (V) DC(V) (pF) (A) B32-150-LF 150±30% 750 50 1000 0.5 500 B32-230-LF 230±30% 950 100 1000 0.5 500 B32-300-LF 300±30% 950 100 1000 0.5 500 10/700μs B32-350-LF 350±30% 950 100 1000 0.5 500 4kV B32-400-LF 400±30% 1050 100 1000 0.5 500 ±5 Times B32-420-LF 420±30% 1050 100 1000 0.5 500 B32-470-LF 470±30% 1050 100 1000 0.5 500 Part Number Minimum Insulation Resistance (MΩ) Impulse Withstanding Voltage Capacity Electrical Ratings Items DC Spark-over Voltage Maximum Impulse Spark-over Voltage Insulation Resistance Capacitance Test Condition/Description Requirement The voltage is measured with voltage ramp dv/dt=100V/s. The maximum impulse spark-over voltage is measured with voltage ramp dv/dt=1000V/μs. The resistance of gas tube shall be measured between two electrodes. The capacitance of gas tube shall be measured between two electrodes. Test frequency: 1MHz To meet the specified value Impulse Discharge Current Maximum 8/20μs surge current that can be applied between two electrodes, 5 positive and 5 negative surges, with 3 minutes interval time, without causing the DC spark-over voltage to change more than 30% from its initial value. Impulse Withstanding Voltage The maximum 10/700μs surge that can be applied to the Gas Tube, 5 positive and 5 negative surges, with 1 minute interval time, without causing the DC spark-over voltage to change more than 25% from its initial value. Revision: GDT-B32 SERIES-001(A2) 3/5 http://brightking.pulseelectronics.com B32 SERIES Reliability Items Test conditions / Methods Cold Resistance Measurement after -40℃/1000 HRS & normal temperature/2 HRS. Heat Resistance Measurement after 125℃/1000 HRS & normal temperature/2 HRS. Humidity Measurement after humidity 90~95℃(45℃) /1000 HRS & normal temperature/2 HRS. Resistance Standard Features are conformed to rated spec. Temperature Cycle 10 times repetition of cycle -40℃/30min →normal, temp/2 min →125℃/30min, measurement after normal temp/2 HRS. Solder Ability Check for solder adhesion after 260±5℃ for 3sec , The body immersion depth 1.5mm in molten solder Evenly covered by solder. Solder Heat Measurement after 260±5℃ solder for 10sec, The body immersion depth 1.5mm in molten solder Conformed to rated spec. Recommended Soldering Conditions Reflow Soldering Critical Zone TL to TP tP TP Ramp-up TL tL Temperature TS max TS min Ramp-down tS Preheat 25 t 25℃ to Peak Time Revision: GDT-B32 SERIES-001(A2) 4/5 http://brightking.pulseelectronics.com B32 SERIES Recommended Conditions Profile Feature Pb-Free Assembly 3℃/second max. Average ramp-up rate (TL to TP) Preheat -Temperature Min (TS min) -Temperature Max (TS max) -Time (min to max) (ts) TS max to TL -Ramp-up Rate Time maintained above: -Temperature (TL) -Time (tL) 150℃ 200℃ 60-180 seconds 3℃/second max. 217℃ 60-150 seconds 260℃ Peak Temperature (TP) Time within 5℃ of actual Peak Temperature (tP) 20-40 seconds 6℃/second max. Ramp-down Rate Time 25℃ to Peak Temperature 8 minutes max. Packaging Tape W P0 P1 P2 D0 D1 E F A0 K0 B0 t0 Dimension (mm) Spec. Tolerance 8.00 ±0.20 4.00 ±0.10 4.00 ±0.10 2.00 ±0.10 1.55 ±0.05 1.00 ±0.05 1.75 ±0.10 3.50 ±0.10 2.00 ±0.10 2.00 ±0.10 3.80 ±0.10 0.30 ±0.10 D 170.00 ±2.00 d 13.00 ±0.50 L 12.00 ±2.00 t 1.20 ±0.20 Items Reel t D d L Quantity: 2500pcs Revision: GDT-B32 SERIES-001(A2) 5/5 http://brightking.pulseelectronics.com