115
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Surface Mount Fuses
202 Series
FLAT-PAK® Fast-Acting Fuse > 202 Series
Please refer to www.littelfuse.com/series/202.html for current information.
202 Series
202 Series Fuse
Description
Fast-Acting and Slo-Blo® Fuse versions of the Flat-Pak®
Fuse designs are available. Both designs are available
in either a gull-wing surface mount package or a DIP
conguration for through-hole mounting. These fuse
designs feature a 250 VAC rating in a low prole,
rectangular package.
Agency Approvals
Electrical Characteristics for Series
AGENCY AGENCY FILE
NUMBER AMPERE RANGE
E10480 1/16mA - 5A
LR29862 1/16mA - 5A
% of Ampere
Rating Opening Time
100% 4 hours, Minimum
200% 2 seconds, Maximum
Electrical Specications by Item
Ampere
Rating
(A)
Amp Code
Max
Voltage Rating
(V)
Interrupting
Rating
Nominal Cold
Resistance
(Ohms)
Nominal
Melting
I2t (A2sec)
Agency Approvals
0.062 .062 250
50 amperes
@250 VAC
7.9000 0.000220 x x
0.125 .125 250 2.4500 0.00180 x x
0.250 .250 250 0.8800 0.0147 x x
0.500 .500 250 0.2980 0.0363 x x
0.750 .750 250 0.1660 0.0980 x x
1.00 001. 250 0.1190 0.192 x x
1.50 01.5 250 0.0701 0.540 x x
2.00 002. 250 0.0469 1.07 x x
2.50 02.5 250 0.0455 1.76 x x
3.00 003. 250 0.0327 1.71 x x
4.00 004. 250 0.0244 3.00 x x
5.00 005. 250 0.0174 4.68 x x
Revised: June 29, 2011
Introduction to Circuit Protection
Introduction to Circuit Protection
Transientology
116 © 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Surface Mount Fuses
202 Series
FLAT-PAK® Fast-Acting Fuse > 202 Series
Please refer to www.littelfuse.com/series/202.html for current information.
Average Time Current Curves
100
10
0.1
0.01
0.001
10001001010.10.05
1/16A
1/8A
1/4A
1/2A
3/4A
1A
1 1/2A
2A
2 1/2A
3A
4A
5A
TIME IN SECONDS
CURRENT IN AMPERES
1
Soldering Parameters
Temperature Rerating Curve
Note:
1. Derating depicted in this curve is in addition to the standard derating of 25% for
continuous operation.
Wave Soldering 260°C, 3 seconds max.
Reow Soldering 215°C, 30 seconds max.
117
© 2009 Littelfuse, Inc.
Specications are subject to change without notice.
Surface Mount Fuses
202 Series
FLAT-PAK® Fast-Acting Fuse > 202 Series
Please refer to www.littelfuse.com/series/202.html for current information.
202 Series
Materials Body: Thermoplastic
Terminations: Tin/Lead Plated Copper
Solderability MIL-STD-202, Method 208.
Product Characteristics
Cleaning Board washable in most common
solvents.
Operating Temperature –55OC to 125OC
Dimensions
Packaging
Packaging Option Packaging Specication Quantity Quantity &
Packaging Code
Surface Mount Fuses
Bulk – 100 HXG
24mm Tape and Reel EIA 481 (IEC60286, part 3) 500 URG
Through Hole Fuses
Antistatic Magazine – 100 H
9.45
(.372") 6.35
(.250")
4.19
(.165")
0.53
(.021")
10.16
(.400")
.135"
0.30 (.012")
6o
202 FLAT- PAK
L
FF 2A
250 V
PAT 4563666
DIP Configuration
(Thru-Hole) Mounting
9.45
(.372") 6.35
(.250")
4.19
(.165")
202G FLAT- PAK
L
FF 2A
250 V
PAT 4563666
SMF Configuration
("Gull Wing" Surface Mount)
1.52
(.060")
0.08 (.003")
1.40 (.055")
15.24 (.600")
17.12 (.674)
4.06 (.160)
11.53 (.454)
2.79 (.110)
Recommended Pad Layout
Part Numbering System
0202 002.
HXG
Series
Amp Code
Refer to Amp Code column of
Electrical Characteristics Table
Quantity Code
HXG = 100
URG = 500
0202 002.
H
Series
Amp Code
Refer to Amp Code column of
Electrical Characteristics Table
Quantity Code
H = 100
Surface Mount Fuses: Through Hole Fuses: