30301250421 Littelfuse Inc, 30301250421 Datasheet - Page 2

• Manufacturer Part Number: 30301250421
• Description: Fuses 125V FA SL .125A TR3
• Manufacturer: Littelfuse Inc

Specifications of 30301250421

• Current Rating: 125 mAmps
• Voltage Rating: 125 Volts
• Fuse Size / Group: TR3
• Termination Style: Solder Pin
• Body Material: Thermoplastic
• Product: Plug Fuse
• Fuse Type: Fast Acting
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

303 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
140
120
100
80
60
40
20
0
-40
-20
Preheat ime
AMBIENT TEMPERATURE (°C)
0
23°C
Introduction to Circuit Protection
Introduction to Circuit Protection
20
Dwell ime
40
Cooling ime
TR3
60
®
> Fast-Acting > 303 Series
Radial Lead Fuses
80
Revised: January 7, 2009
136
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:
Wave Parameter
1
1.
Contact Littelfuse for individual I-t curves
Please refer to www.littelfuse.com/series/303.html for current information.
2
TR3 / No. 303
I I I I I
3
Fault
Fault
Fault
Fault
Fault
Specifications are subject to change without notice.
(Typical Industry Recommendation)
100
150
60-180 seconds
260
2-5 seconds
/ I / I / I / I / I
Lead-Free Recommendation
4
Rated
Rated
Rated
Rated
Rated
°
°
°
C
C
C Maximum
I-t Characteristics
(Min-Max Limit)
303
303
303
303
UL 248-14
est value
6
7 8 9 0
© 2009 Littelfuse, Inc.
1
1