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| MOUNT TELECOM PROTECTORS SURFACE MOUNT TELECOM PROTECTORS This product is not recommended for new designs. Please refer to Littelfuse No. 461. No. 457 Lead Free Tube Telecom Tube Protector Telecom Overcurrent Protection for Telecom Equipment Time-Current Characteristic Transient Tolerant Specifications Packaging 000: 2500 pcs./330mm reel (Blister Tape) 001: 500 pcs./178mm reel (Blister Tape) Tape width 16mm Housing: Element: Terminals: Ceramic tube Wire Copper, nickel & silver plated Applicable Standards UL-248-14 UL 60950 3rd Edition * Telcordia GR-1089 * FCC 47 CFR Part 68 cULus Recognized Materials Approvals Temperature Operating Temperature Test Climatic Test -40 C to +125 C (consider de-rating) Damp heat, steady state 40 C/ 93%/ 21 days (IEC 60068-1,-2-1,-2-2,-2-78) +10 C to +60 C relative humidity 75 % yearly average, without dew, maximum value for 30 days - 95 % 240 C, 30 s (Reflow) Dimensions (mm) 10 -0,5 Features 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 Stock Conditions 1,65 Chip Size 10030 1,65 Recommended Solderability soldering Pad Layout W ebLinks Further info see: www.wickmanngroup.com acc. to IEC 60068-2-58 235 C, 2 s 260 C, 10 s (IEC 60068-2-58) 280 C, 5 s (IEC 60068-2-58) Soldering Heat Resistance Minimum Cross Section, Copper Conducting path - 0.175 mm2 Path thickness - 0.035 mm Further application info see fuseology: www.wickmanngroup.com/download/ fuseology.pdf Mounting Operating Conditions Type (I) 500 mA ... 2.00 A Avoid circuit traces below the Fuse. Fuse should not be enclosed in potting materials. Logo, Current Rating 0.25 g (approx.) Marking 250% x I 1 ... 120 s 100% x I >4h Unit Weight AC Power Fault Ratings * Permissible continuous operating current is 80 % at ambient temperature of 23 C (73.4 F) 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 (C) 0500 1250 1251 40A 40A 40A 7A 7A 7A 2.2A 2.2A 2.2A -120 50 25A 25A 25A 60A 60A 60A 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 FCC 47 Part 68 FCC 47 Part 68 Telcordia GR-1089-CORE Telcordia GR-1089-CORE Type Code Current Logitudinal Type A Metallic Type A First Level Lightning Longitudinal Type A Metallic Type A First Level Lightning First Level Lighting Voltage Rating AC Repetitions Waveform ( sec.) Current (A) 0500 tested 2 2 50 10x160 10x560 10x1000 70A 45A 30A 160 115 100 500 Voltage (V) 1500 800 1000 1500 800 1.000 2.500 Performance Requirement Fuse cannot open Fuse cannot open Fuse cannot open Fuse Fuse Fuse Fuse cannot cannot cannot cannot open open open open 1250 and 1251 tested 2 2 50 50 10x160 10x560 10x1000 2x10 Electrical Specifications 0500 500mA 1250 1.25A 1251 2.00A * UL60950 3rd edition 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 cos=1 max. (mV) max. (m) typ. (A2s) 250V 50A 60A 450 640 2 * 250V 50A 60A 250 150 16 * 250V 50A 60A 375 115 18 * Telcordia a nd Telcordia 1089 (2nd Level) are device standards, which require a testing of the complete device. Order Information 050912 Qty. OrderNumber Series 457 Type Code Packaging Specifications are subject to change without notice China Tel: +86 21 6432 5146 E-mail: sales@wickmann.cn WebSite Europe Tel: +49 2302 662-107 www.wickmanngroup.com E-mail: sales@wickmann.com Americas Tel: +1 404 699-7820 E-mail: service@wickmannusa.com Asia Tel: +852 26 14-1108 E-mail: sales@wickmann.com.hk cURus MOUNT TELECOM PROTECTORS SURFACE MOUNT TELECOM PROTECTORS TTP / No. 457 0 0,0 10 0 A BC I-t Characteristics A) 457-0500 B) 457-1250 C) 457-1251 Time (sec.) 050912 WebSite Europe Tel: +49 2302 662-107 www.wickmanngroup.com E-mail: sales@wickmann.com 0 ,00 10 1,0 00 0 10 10 1 0.1 0.0 1 0 0.0 1 Subject to change without notice. To ensure compliance with respective telecom standards, the 457 shall be tested in the actual application. 5 0.5 1 2 5 10 2 5 100 2 5 1000 I Fault (Amps) Americas Tel: +1 404 699-7820 E-mail: service@wickmannusa.com Asia Tel: +852 26 14-1108 E-mail: sales@wickmann.com.hk China Tel: +86 21 6432 5146 E-mail: sales@wickmann.cn |
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