Surface mount fuses, Flat-pak, Fast-acting fuse > 202 series – Littelfuse 202 Series User Manual
Page 2: Product characteristics dimensions packaging, Part numbering system average time current curves, Soldering parameters temperature rerating curve
© 2013 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 12/19/13
Surface Mount Fuses
FLAT-PAK
®
Fast-Acting Fuse > 202 Series
Materials
Body: Thermoplastic
Terminations: Tin/Lead Plated Copper
Solderability
MIL-STD-202, Method 208.
Cleaning
Board washable in most common solvents.
Operating
Temperature
–55
O
C to 125
O
C
Product Characteristics
Dimensions
Packaging
packaging
Option
packaging
Specification
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")
6
o
203 FLAT- PAK
LF
T 2A
250 V
PAT 4563666
DIP Configuration
(Thru-Hole) Mounting
9.45
(.372")
6.35
(.250")
4.19
(.165")
203G FLAT- PAK
LF
T 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
9.45
(.372")
6.35
(.250")
4.19
(.165")
0.53
(.021")
10.16
(.400")
.135"
0.30 (.012")
6
o
202 FLAT- PAK
LF
F 2A
250 V
PAT 4563666
DIP Configuration
(Thru-Hole) Mounting
9.45
(.372")
6.35
(.250")
4.19
(.165")
202G FLAT- PAK
LF
F 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
Average Time Current Curves
100
10
0.1
0.01
0.001
1000
100
10
1
0.1
0.05
1/1
6A
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.
Reflow Soldering
215°C, 30 seconds max.
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: