SURFACE MOUNT TELECOM PROTECTORS No. 457 Lead Free This product is not recommended for new designs. Please refer to Littelfuse No. 461. Telecom TTube ube Protector Specifications Overcurrent Protection for TTelecom elecom Equipment Packaging 000: 2500 pcs./330mm reel (Blister Tape) 001: 500 pcs./178mm reel (Blister Tape) Tape width 16mm Time-Current Characteristic Transient Tolerant Applicable Standards Materials UL-248-14 UL 60950 3rd Edition * Telcordia GR-1089 * FCC 47 CFR Part 68 Housing: Element: Terminals: Operating TTemperature emperature -40 ºC to +125 ºC (consider de-rating) Approvals Surge proof for telecom line applications No need for series resistors (1.25A & 2.00A) Reduced PCB space requirements Lead-free construction Flame resistant ceramic housing Irreversible physical separation under fault Highly defined cut-off times Low internal resistance minimizes line losses For Reflow Soldering or Soldering Iron 2,8 –0,1 Chip Size 10030 Damp heat, steady state 40 ºC/ 93%/ 21 days (IEC 60068-1,-2-1,-2-2,-2-78) Features 10 -0,5 1,65 Climatic TTest est cULus Recognized Dimensions (mm) 1,65 Pad Layout W ebLinks +10 ºC to +60 ºC relative humidity ≤ 75 % yearly average, without dew, maximum value for 30 days - 95 % Recommended soldering 240 ºC, 30 s (Reflow) Solderability acc. to IEC 60068-2-58 235 °C, 2 s 260 ºC, 10 s (IEC 60068-2-58) 280 ºC, 5 s (IEC 60068-2-58) www.wickmanngroup.com Minimum Cross Section, Copper Further application info see fuseology: www.wickmanngroup.com/download/ fuseology.pdf Conducting path - 0.175 mm2 Path thickness - 0.035 mm Mounting Avoid circuit traces below the Fuse. Fuse should not be enclosed in potting materials. Operating Conditions Marking 100% x I 500 mA ... 2.00 A Stock Conditions Soldering Heat Resistance Further info see: Type (I) Ceramic tube Wire Copper, nickel & silver plated Logo, Current Rating 250% x I >4h Unit Weight 1 ... 120 s 0.25 g (approx.) AC Power Fault Ratings • Permissible continuous operating current is ≤ 80 % at ambient temperature of 23 ºC (73.4 ºF) UL 60950 3rd Edition * Telcordia1089 (2nd Level) * Type Test M1 Test M2 Test M3 Test M3 Test 1 Test 2 Test 3 Test 4 277V/15min 600V/5s 600V/5s 600V/15min Code 600V/1.5s 600V/5s 600V/30min Max. ∆ T (ºC) 0500 1250 1251 40A 40A 40A 7A 7A 7A 2.2A 2.2A 2.2A Lightning Surge Specifications Surge Specification Surge FCC 47 Part 68 FCC 47 Part 68 Telcordia GR-1089-CORE Logitudinal Type A Metallic Type A First Level Lightning FCC 47 Part 68 FCC 47 Part 68 Telcordia GR-1089-CORE Telcordia GR-1089-CORE Longitudinal Type A Metallic Type A First Level Lightning First Level Lighting -120 50 25A 25A 25A 60A 60A 60A Repetitions Waveform ( µsec.) Current (A) 0500 tested 2 2 50 10x160 10x560 10x1000 7A 7A 7A 2.2A 2.2A 2.2A Voltage (V) Performance Requirement 70A 45A 30A 1500 800 1000 Fuse cannot open Fuse cannot open Fuse cannot open 160 115 100 500 1500 800 1.000 2.500 Fuse Fuse Fuse Fuse 1250 and 1251 tested 2 2 50 50 10x160 10x560 10x1000 2x10 cannot cannot cannot cannot open open open open Electrical Specifications Current 0500 500mA 1250 1.25A 1251 2.00A * UL60950 3rd edition Order Information 050912 Interrupting Rating Voltage Drop Cold Resistance Melting Integral Approvals 250VAC 600VAC 1.0 x IN 0.1 x IN 10 x IN 50/60 Hz cosϕ=1 max. (mV) max. (mΩ) typ. (A2s) 250V 50A 60A 450 640 2 • 250V 50A 60A 250 150 16 • 250V 50A 60A 375 115 18 • a nd TTelcordia elcordia 1089 (2nd Level) are device standards, which require a testing of the complete device. Voltage Rating AC Qty. OrderNumber WebSite Europe Tel: +49 2302 662-107 www.wickmanngroup.com E-mail: [email protected] cURus Type Code Series 457 Type Code Americas Tel: +1 404 699-7820 E-mail: [email protected] Packaging Asia Tel: +852 26 14-1108 E-mail: [email protected] Specifications are subject to change without notice China Tel: +86 21 6432 5146 E-mail: [email protected] SURFACE MOUNT TELECOM PROTECTORS TTP / No. 457 0 0,0 10 A BC 0 I-t Characteristics 0 ,00 10 A) 457-0500 B) 457-1250 C) 457-1251 Subject to change without notice. To ensure compliance with respective telecom standards, the 457 shall be tested in the actual application. 1,0 00 10 Time (sec.) 0 10 1 0.1 0.0 1 0 0.0 1 50.5 1 2 5 10 2 5 100 2 5 1000 I Fault (Amps) 050912 WebSite Europe Tel: +49 2302 662-107 www.wickmanngroup.com E-mail: [email protected] Americas Tel: +1 404 699-7820 E-mail: [email protected] Asia Tel: +852 26 14-1108 E-mail: [email protected] China Tel: +86 21 6432 5146 E-mail: [email protected]