0433.375NR LITTELFUSE

Document overview

  • Manufacturer or author: Provided By digicamel.com
  • PDF pages: 3

Technical content

Features

Electrical Characteristics for Series t5IF4MJN-JOF fuse is an extremely small, low profile design (1206 chip size) utilizing thin-film technology to achieve precise control of electrical characteristics. t5IFMPXFSIFJHIUQSPmMF produces a flat surface for improved performance in pick-and-place operations and an alternate solution for height critical application. t.PVOUJOHQBEBOE electrical specification are identical to the popular 429 Series specifications. % of Ampere Rating Opening Time at 25OC 100% 4 hours, Minimum 200% 5 sec., Maximum 300% 0.2 sec., Maximum

Applications

(A) Amp Code Max Voltage Rating (V) Interrupting Rating Nominal Cold Resistance (Ohms) Nominal Melting I2t (A2sec) Agency Approvals ® ® 0.125 .125 125 50A @125 V AC/DC 3.45000 0.00040 x x 0.200 .200 125 0.93800 0.00055 x x 0.250 .250 125 0.62500 0.00100 x x 0.375 .375 125 0.37500 0.00280 x x 0.50 .500 63 50A @63 V AC/DC 0.24050 0.00600 x x 0.60 .600 63 0.21000 0.01310 x x 0.75 .750 63 0.13700 0.01700 x x 0.80 .800 63 0.12250 0.03050 x x 1 .00 001 . 63 0.09950 0.03500 x x 1 .25 1 .25 63 0.07 475 0.06500 x x 1 .50 01 .5 63 0.06250 0.12500 x x 1 .75 1 .75 63 0.05000 0.15000 x x 2.00 02.0 63 0.03975 0.23000 x x 2.50 02.5 32 50A @32 V AC/DC 0.03065 0.5 0000 x x 3.00 03.0 32 0.02625 0.7 0000 x x 4.00 04.0 24 50A @24 V AC/DC 0.01400 1 .0240 x x 5.00 05.0 24 0.01100 1 .6000 x x Electrical Specifications by Item 1 . Measured at 10% of rated current, 25ºC. 2. Measured at rated voltage. t$FMMQIPOFT t#BUUFSZQBDLT t%JHJUBMDBNFSBT t%7%QMBZFST t)BSEEJTLESJWFT Secondary protection for space constrained applications such as:

Revision: February 13, 2008 Surface Mount Fuses ©2008 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com for the most current information Thin Film > 1206 Size > Very Fast Acting > 433 Series

433 Series

Average Time Current Curves TIME IN SECONDS CURRENT IN AMPERES 0.01 0.1 0.1 100 10 10 0 0.001 2.5A 1 .75A 1 .5A 1 .25A .8A .75A .6A .5A .375A .25A .200A .125A T emperature Rerating Curve 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 Temperature (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 - Wave Soldering

Revision: February 13, 2008 Surface Mount Fuses ©2008 Littelfuse, Inc. Specifications are subject to change without notice. Please refer to www.littelfuse.com for the most current information Thin Film > 1206 Size > Very Fast Acting > 433 Series 2.03 (.080") 2.03 (.080") WAVE SOLDER REFLOW SOLDER 3.81 (.150") 1.27 (.050") .58 (.023") .56 (.022") .66 (.026") 1.14 (.045") MARKING CODE VARIES WITH AMPERAGE RATING (SEE CHART) 1.52 (.060") 3.18 (.125") 3.18 (.125") 4.83 (.190") 1.65 (.065") 1.52 (.060") Sn/Pb Sn/Pb Sn/PbCu Coating Packaging Part Numbering System 0433 .125 NR AMP CODE SERIES QUANTITY CODE Materials Body: Epoxy Substrate T erminations: 95% Tin / 5% Lead over Nickel over Copper Element Cover Coat: Conformal Coating Operating Temperature – 55 OC to 90OC. Consult temperature rerating curve chart. Thermal Shock Withstands 5 cycles of – 55OC to 125OC Humidity MIL -STD-202F Method 103B Condition D Vibration Per MIL -STD-202F , Method 201A Insulation Resistance (After Opening) Greater than 10,000 ohms. Resistance to Soldering Heat Withstands 60 seconds above 200OC and up to 260OC, maximum Product Characteristics Part Marking System Packaging Option Packaging Specification Quantity Quantity & Packaging Code Tape & Reel – 8mm tape EIA RS-481-1 (IEC 286, part 3) 5000 NR Amp Code Marking Code .125 B .200 C .250 D .375 E .500 F .600 .6 .750 G .800 .8 001 . H 1 .25 J 01 .5 K 1 .75 L 002. N 02.5 O 003. P 03.5 R 004. S 005. T