BF471M

BF471M Order Code: BF471M Gas Discharge Tube Version: A0 Exterior Features 2016-03-29 Small Size Design 4.2×5.0×5.0mm Current Handling Current Handling Capability 5,000A ,000A @ 8/20μs Low Capacitance and Insertion Loss Fast Response and Long Service Life Moisture sensitivity level：Level 1 Application information rmation ` Package (Top View) SM SMD xDSL 1 Agency Approvals Schematic Symbol Icon Description Compliance with 2011/65/EU Electrical Parameter Mean ean lead free DC Breakdown Voltage 1)2) Impulse Spark-over Voltage Impulse Discharge Current 3) Arc Voltage Insulation Resistance Capacitance at 1MHz Weight Operating And Storage 100V/s At 1kV/μs At 1kV/μs 8/20μs 10 operations [5x (+) & 5x (-)] ( 376~564 for 99 % of measured values At 1A DC=100V VDC=0.5V 1) At delivery AQL 0.65 level II GB/T 2828.1-2003 2828.1 2) In ionized mode 3) Terms and waveforms in accordance with ITU-T ITU Rec. K. 12; IEC 61643-21 www.bencent.com.cn  850 Typical values of distribution 700 Temperature Marking 2 1 Compliance with IEC61249-2-21:2003 IEC61249 1/ 3 2 V V V 5,000 ,000 A ≥1 GΩ -40-90 90 ℃ ～15 15 ≤0.8 0.8 ~0.5 5 V pF g Without Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications BF471M Order Code: BF471M Gas Discharge Tube Part Numbering System BF (1) 471 (2) Version: A0 Product Characteristics M (3) (1)Bencent Gas Discharge Tube (2) Series: DC Breakdown Voltage, e.g.：471=471×101=470V (3) Tolerance of DC Breakdown Voltage, M=+-20%, M=+ 2016-03-29 Lead Material Copper Body Material Ceramics Terminal Finish 100% Matte-Tin Plated N=+-30%,the Specific tolerance is decided by the table of“Electrical Parameter” Environmental Reliability Characteristics Testing items Technical echnical standards Temperature: 90℃ Time:2H Temperature: -40℃ Time:2H Frequency：10-500Hz Amplitude：0.15mm Time：45min Temperature: 260±5℃ Time of dip soldering：10s，1time High Temperature Storage Test Low Temperature Storage Test Vibration Resistance of soldering heat Note: Up-screen screen program can be specified by customer’s request via contacting Bencent service Solderability test Solderability Solder Pot Temperature: 245 245℃±5℃ Solder Dwell Time: 4-66 seconds Product Dimensions D REF C B inch A 0.5±0.1 1 0.020±0.004 D 5.0±0.2 2 0.197±0.008 B A mm C 4.2±0.3 3 5.0±0.2 2 0.165±0.012 0.197±0.008 Recommended Soldering Pad A B C 2/ 3 REF A B C www.bencent.com.cn mm 4.95 3.0 5.5 inch 0.195 0.118 0.217 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications BF471M Order Code: BF471M Gas Discharge Tube Version: A0 2016-03-29 Reflow Profile Reflow Condition Heat Temperature Min 150°C Temperature Max 200°C Time （min to max） 60 – 180 secs Average ramp up rate（Liquids）Tamp （TL） to peal TS(max) to TL - Ramp-up Rate 3°C/second max (Liquids) - Temperature (TL) Peak Temperature (TP) 217°C 60 – 150 seconds Ramp-down Rate 6°C/second max Time 25°C to peak Temperature (TP) 8 minutes Max. Do not exceed 260°C 25 Time Information B W 16.0 .0±0.3 D2 www.bencent.com.cn 0.177±0.008 0.472±0.004 D1 W1 Reel Diameter (mm) 330 4.5 5±0.2 12.0 .0±0.1 D 16,000 0.209±0.004 P F 1,000 5.3 5.3±0.1 Φ0.059±0.004 E Per Carton (PCS) inch Φ1.5 1.5±0.1 P1 Reel (PCS) m mm d P0 3/ 3 Ramp-down time ime to peak temper ature A TAPING Critical Zone TL to TP tS REF Outline TL Preheat TS(min) ~10 seconds Temperature (tp) Package Reel TS(max) 260+0/ °C 260+0/-5 Time within 5°C of actual peak Ramp Ramp-up TL 3°C/second max - Temperature (TL) Reflow tP TP Temperature Pre Pb--Free assembly 4.0 4.0±0.1 0.157±0.004 2.0 2.0±0.1 0.079±0.004 1.75 75±0.1 0.069±0.004 7.5 5±0.1 0.295±0.004 0.630±0.012 Φ330.0 330.0 Φ13.0 Φ50Min 50Min Φ1.97Min Φ13 13±0.15 0.512±0.006 16.8 16.8±2.0 L 360 0.661±0.079 Carton Size(mm) W 360 H 380 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications