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| POLYFUSE(R) Resettable PTCs Surface Mount > Lo Rho Series Lo Rho Surface Mount Series Description The Littelfuse Lo Rho Surface Mount PPTC (polymer positive temperature coefficient) series offers ultra low normal operating resistance while maintains the same performance of existing Littelfuse PPTC products. Available in 5 hold current ratings, all devices are TUV and UL certified and possess a maximum fault current rating of 40A. Features at normal operating hold current) board space Agency Approvals AGENCY AGENCY FILE NUMBER E183209 R50119118 temperature solders currents Applications protection for motherboards and peripherals Electrical Characteristics Maximum Time To Trip Current (A) 8.00 8.00 8.00 8.00 9.50 Time (Sec.) 0.30 0.30 0.30 3.00 2.00 4.50 Resistance R min () 0.030 0.015 0.010 0.005 0.003 0.003 R 1max () 0.130 0.100 0.065 0.024 0.018 0.025 X X X X X X X X X X X X Part Number Marking I hold (A) 1.10 1.10 1.50 2.00 3.50 I trip (A) 1.80 2.20 3.00 4.00 4.90 V max (Vdc) 6 6 6 6 6 6 I max (A) 50 50 50 50 50 50 Pd max. (W) 0.6 0.8 0.8 0.8 0.8 1.0 Agency Approvals 0805L110SLYR 1206L110SLYR 1206L150SLYR 1210L200SLYR 1812L190SLPR I hold I trip LF 19 1.90 V max = Maximum voltage device can withstand without damage at rated current (I max) I max = Maximum fault current device can withstand without damage at rated voltage (Vmax) Pd R min R 1max Caution: (c)2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/LoRho.html for current information. Revised: October 7, 2009 Lo Rho Series Lo Rho Series POLYFUSE(R) Resettable PTCs Surface Mount > Lo Rho Series Temperature Rerating Ambient Operation Temperature Part Number 0805L110SLYR 1206L110SLYR 1206L150SLYR 1210L200SLYR 1812L190SLPR 3.26 5.00 3.00 4.60 2.58 1.93 2.00 2.32 1.65 1.38 1.40 1.95 2.50 4.05 2.22 Hold Current (A) 1.10 1.10 1.50 2.00 3.50 1.90 2.80 1.49 0.83 0.83 1.15 1.29 2.00 1.14 0.55 0.56 0.41 0.44 0.64 1.09 1.60 0.93 1.00 0.61 0.21 0.24 0.36 Average Time Current Curves 1206L150SL 1210L200SL 1812L190SL 0805L110SL 1206L110SL Temperature Rerating Curve 170% 150% Percentage of Rated Current 130% 110% 90% 70% 50% 30% 10.000 LoRho Series Time in Seconds 1.000 10% -40 -30 -20 -10 0 10 20 30 40 Temperature (C) 50 60 70 80 Environmental Specifications 0.100 Operating/Storage Temperature Maximum Device Surface Temperature in Tripped State 0.010 1.0 Passive Aging 10.0 100.0 Current in Amperes Humidity Aging The average time current curves and Temperature Rerating curve performance is affected by a number or variables, and these curves provided as guidance only. Customer must verify the performance in their application. Thermal Shock Physical Specifications Solvent Resistance No change Condition A No change Terminal Material Lead Solderability Vibration Moisture Sensitivity Level Lo Rho Series Revised: October 7, 2009 (c)2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/LoRho.html for current information. POLYFUSE(R) Resettable PTCs Surface Mount > Lo Rho Series Soldering Parameters Profile Feature S(max) to TP) Temperature Min (Ts(min)) Temperature Max (Ts(max)) Time (Min to Max) (ts) 60 - 180 secs 60 - 150 seconds Time Maintained Temperature (TL) Temperature (tL) P ) 260 20 - 40 seconds Temperature (tp) ) P 8 minutes Max. performance requirements 2 environment for lead Dimensions Device Dimensions Solder Pad Layout A C Side View Top View B G H F F Bottom View D E Marking code varies by device -See Electrical Characteristics table Device Dimension Part Number A mm Min Max Min Solder Pad Layout D mm E mm Min Max Max B mm Max Min C mm Max Min F mm 1.00 1.00 1.00 1.00 1.00 G mm 1.20 1.80 1.80 2.00 2.00 3.45 H mm 1.50 1.80 1.80 2.50 2.50 3.15 0805L110SLYR 1206L110SLYR 1206L150SLYR 1210L200SLYR 1812L190SLPR 2.00 2.20 1.20 3.00 3.40 1.50 3.00 3.40 1.50 1.50 0.40 1.80 0.40 1.80 0.40 0.20 0.25 0.25 0.25 0.25 0.30 0.55 0.10 0.10 0.10 0.20 0.20 0.45 0.45 0.45 0.50 0.50 0.65 3.00 3.43 2.35 2.80 0.40 3.00 3.43 2.35 2.80 0.60 1.00 3.41 0.40 1.20 0.25 (c)2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/LoRho.html for current information. Revised: October 7, 2009 Lo Rho Series Lo Rho Series POLYFUSE(R) Resettable PTCs Surface Mount > Lo Rho Series Part Ordering Number System Packaging Quantity & I hold I hold Packaging Quantity Packaging (A) Code Option Codes 1.10 1.10 1.50 2.00 3.50 1812L190SLPR 1.90 110 110 150 200 350 190 Tape & Reel 4000 4000 4000 4000 4000 2000 YR YR YR YR YR PR 0805 L 110 SL Y R Part Number PACKAGING STYLE R: Tape & Reel QUANTITY CODE P: 2000 Y: 4000 SL: LoRho PTC Series I HOLD HOLD CURRENT CODE L: LITTELFUSE SURFACE MOUNT PPTC SIZE SERIES 0805L110SLYR 1206L110SLYR 1206L150SLYR 1210L200SLYR Tape and Reel Specifications TAPE SPECIFICATIONS: EIA-481-1 (mm) 0805L110SL 1206L110SL 1206L150SL 1210L200SL 1210L350SL-S 1812P190SL REEL DIMENSIONS: EIA-481-1 (mm) 0805L110SL 1210L200SL 1206L110SL 1206L150SL 1812P190SL W F E1 D0 D1 P0 P1 P2 A0 B0 T K0 Leader min. Trailer min. 390 160 390 160 390 160 390 160 1.0 (min) 1.00 (MIN) 1.0 (min) H W D F C H1 W1 W2 W3 W4 Tape and Reel Diagram H P1 P0 D0 P2 E1 W4 W3 D F W W2 C T D2 F W1 W A0 K0 B0 H1 Lo Rho Series Revised: October 7, 2009 (c)2009 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com/series/LoRho.html for current information. |
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