0459004.ER Littelfuse Inc, 0459004.ER Datasheet - Page 2

• Manufacturer Part Number: 0459004.ER
• Description: FUSE 4A 125V FAST PICO SMF T/R
• Manufacturer: Littelfuse Inc
• Series: PICO® 459r

Specifications of 0459004.ER

• Fuse Type: Fast Acting
• Voltage - Rated: 125VAC, 125VDC
• Current: 4A
• Package / Case: Non-Standard SMD
• Size / Dimension: 0.285" L x 0.170" W x 0.120" H (7.24mm x 4.32mm x 3.05mm)
• Mounting Type: Surface Mount
• Operating Temperature: -55°C ~ 125°C
• Dc Cold Resistance: 0.02 Ohm
• Melting I²t: 2.35
• Voltage Rating Vac: 125V
• Voltage Rating Vdc: 125V
• Fuse Current: 4A
• Breaking Capacity: 50A @ 125VAC / 300A @ 125VDC
• Blow Characteristic: Very Fast Acting
• Fuse Case Style: SMD
• Lead Free Status / RoHS Status: Lead free by exemption / RoHS Compliant
• Color: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free by exemption / RoHS Compliant
• Other names: R459004.ER; R459004ER

1. Rerating depicted in this curve is in addition to the standard rerating of 25% for
459 Series
Temperature Rerating Curve
Soldering Parameters
Wave Soldering
Reflow Soldering
continuous operation.
260°C, 10 seconds max.
260°C, 30 seconds max.
Introduction to Circuit Protection
Introduction to Circuit Protection
Surface Mount Fuses
PICO
®
SMF Fuse > 459 Series
108
Transientology
Average Time Current Curves
0.001
0.01
100
0.1
10
1
0.05 0.1
Please refer to www.littelfuse.com/series/459.html for current information.
CURRENT IN AMPERES
1
Specifications are subject to change without notice.
10
© 2009 Littelfuse, Inc.
100