0273.050H Littelfuse Inc, 0273.050H Datasheet - Page 2

• Manufacturer Part Number: 0273.050H
• Description: MICROFUSE, FAST-ACTING .050A
• Manufacturer: Littelfuse Inc
• Series: MICRO™ 273r
• Type: Radial Lead Fusesr

Specifications of 0273.050H

• Fuse Type: Fast Acting
• Voltage - Rated: 125VAC, 125VDC
• Current: 50mA
• Package / Case: Radial
• Size / Dimension: 0.250" Dia x 0.350" L (6.35mm x 8.89mm)
• Mounting Type: Through Hole
• Operating Temperature: -55°C ~ 85°C
• Dc Cold Resistance: 3.2 Ohm
• Melting I²t: 0.0000666
• Current Rating: 0.5 Amp
• Voltage Rating: 125 Volts
• Fuse Size / Group: Micro
• Termination Style: Solder Pin
• Body Material: Thermoplastic
• Dimensions: 8.89 mm L
• Product: Plug Fuse
• Interrupt Rating: 10 KAmps at 125 VoltsAC/DC
• Mounting Style: Through Hole
• Operating Temperature Range: - 55 C to + 85 C
• Resistance: 3.2 Ohms
• Brand/series: MICRO™ FUSE/273 Series
• Class: Supplemental
• Current, Rating: 0.05 A
• Current, Ratings: 1⁄20 A
• Dimension, Body: 0.25 in. Body Dia. x 0.35 in. Body Height
• Length, Lead: 0.17 in.
• Primary Type: Subminiature
• Resistance Dc: 3.2 Ohms
• Resistance, Dc: 3.2 Ohms
• Standards: UL Recognized File No E10480, CSA Certified File No LR 29862
• Termination: Plug-In
• Voltage, Rating: 125 VAC/VDC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Color: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 0273.050; 273.050; F855; H273.050

272/273/274/278/279 Series
Temperature Rerating Curve
Soldering Parameters - Wave Soldering
300
280
260
2 0
220
200
180
160
1 0
120
100
80
60
20
0
ime (Seconds)
0
MICRO™ > Very Fast-Acting > 272/273/274/278/279 Series
Preheat ime
Introduction to Circuit Protection
Introduction to Circuit Protection
Dwell ime
Cooling ime
Radial Lead Fuses
Revised: January 7, 2009
132
Recommended Process Parameters:
Recommended Hand-Solder Parameters:
Note: These devices are not recommended for IR or
Convection Reflow process.
Preheat:
(Depends on Flux Activation Temperature)
Solder Pot Temperature:
Solder Dwell Time:
Transientology
Average Time Current Curves
Solder Iron Temperature: 350° C +/- 5°C
Heating Time: 5 seconds max.
Temperature Minimum:
Temperature Maximum:
Preheat Time:
0.001
0.01
0.005
100
0.1
10
1
Wave Parameter
0.01
Please refer to www.littelfuse.com/series/272.html, /273.html, /274.html,
0.1
CURRENT IN AMPERES
Specifications are subject to change without notice.
(Typical Industry Recommendation)
100
150
60-180 seconds
260
2-5 seconds
Lead-Free Recommendation
1
°
°
°
/278.html or /279.html for current information.
C
C
C Maximum
10
© 2009 Littelfuse, Inc.
100