0242-100UR LITTELFUSE | Alldatasheet
Document overview
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Technical content
Features
Applications
% of Ampere Rating Opening Time 100% 4 hours, Minimum 300% 10 seconds, Maximum 1000% 0.002 seconds, Maximum UÊ iiÌÃÊ >ÀÀiÀÊ iÌÜÀÊ xääÓä®Ê for hazardous applications. UÊ } rating. Meets the 1500A minimum. Ê>Ý>Ê lead and surface mount.
Electrical Characteristics
(A) Amp Code Body Color Coding Interrupting Rating Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2 Sec.) Agency Approvals 0.050 .050 Red 4000A @ 250VAC/VDC 11.34 0.000103 x 0.080 .080 Green 8.19 0.000214 x 0.100 .100 Õi 3.60 0.000977 x 0.160 .160 Violet 3.00 0.00157 x 0.200 .200 ÀÜ 2.68 0.0038 x 0.250 .250 >V 1.6 0.00579 x iÊÓ{ÓÊ-iÀiÃÊ offers a range of fuses designed to enable greater safety electrical equipment; Electrical connections and components, Test equipment Revised: September 20, 2011
Introduction to Circuit ProtectionIntroduction to Circuit Protection Transientology 344 © 2009 Littelfuse, Inc. Specifications are subject to change without notice. Special Application Fuses Barrier Network Fuse 242 Series
242 Series Barrier Network Fuse
Please refer to www.littelfuse.com/series/242.html for current information. Average Time Current Curves 0.1 0.01 0.001 0.0001 100 TIME IN SECONDS .050A .080A .100A .200A .125A .160A .250A 0.01 0.1 1 10 100 1000 CURRENT IN AMPERES Reflow Condition Pb – Free assembly Pre Heat - Temperature Min (Ts(min)) 150°C - Temperature Max (Ts(max)) 200°C - Time (min to max) (ts) 60 – 180 secs Average ramp up rate (Liquidus Temp (TL) to peak 5°C/second max TS(max) to TL - Ramp-up Rate 5°C/second max Reflow - Temperature (TL) (Liquidus) 217°C - Temperature (tL) 60 – 150 seconds Peak Temperature (TP) 250+0/-5 °C Time within 5°C of actual peak Temp. (tp) 20 – 40 seconds Ramp-down Rate 5°C/second max Time 25°C to peak Temperature (TP) 8 minutes Max. Do not exceed 260°C Soldering Parameters Product Characteristics Dimensions 3.02mm (.119") 8.40mm (.331") 4.60mm (.181") 1.90mm (.075") 3.02mm (.119") 8.40mm (.331") 4.60mm (.181") 2.90mm 3.20mm 9.80mm 1.90mm (.075") .635mm (.025") Operating Temperature –40OC to 125OC. Thermal Shock Withstands 5 cycles of – 55OC to 125OC Vibration Per MIL-STD-202F Insulation Resistance (After Opening) Greater than 10,000 ohms. Part Numbering System 0242.050UAT1 SERIES AMP CODE QUANTITY & PACKAGING CODE Refer to Amp Code column in the Electrical Specifications table. 1,ÊÊÊÊÊrÊxääÊ«VÃ]Ê-ÕÀv>ViÊÕÌ]Ê/>«iÊEÊ,ii Wave Soldering 260°C, 10 seconds max. Time Temperature TP TL TS(max) TS(min) tP tL tS time to peak temperature (t 25ºC to peak) Ramp-down Ramp-up Preheat Critical Zone TL to TP