LITTELFUSE 202.125

Surface Mount Fuses
Subminiature Surface Mount & Dip Types
FLAT-PAK® Fast Acting Fuse 202 Series
®
®
• For new designs please use the 464 Series, NANO2® 250V UMF Fuse.
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 configuration for through-hole mounting.
These fuse designs feature a 250 VAC rating in a low profile,
rectangular package.
ELECTRICAL CHARACTERISTICS:
% of Ampere
Rating
Opening
Time
100%
4 hours, Minimum
200%
2 seconds, Maximum
Reference Dimensions:
AGENCY APPROVALS: Recognized under the Components
202 FLAT- PAK
Program of Underwriters Laboratories and Certified by CSA.
LF
202GFLAT- PAK
LF
F 2A
250 V
AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.
F 2A
250 V
PAT 4563666
PAT 4563666
9.45
(.372")
9.45
(.372")
6.35
(.250")
INTERRUPTING RATING:
50 amperes at 250 VAC.
4.19
(.165")
ENVIRONMENTAL SPECIFICATION:
Operating Temperature: –55°C to 125°C.
4.19
(.165")
0.08 (.003")
1.40 (.055")
.135"
10.16
(.400")
6o
PHYSICAL SPECIFICATIONS:
Materials: Body: Thermoplastic
0.53
(.021")
0.30 (.012")
6.35
(.250")
1.52
(.060")
15.24 (.600")
SMF Configuration
("Gull Wing" Surface Mount)
DIP Configuration
(Thru-Hole) Mounting
17.12 (.674)
Terminations: Tin/Lead Plated Copper
4.06 (.160)
Soldering Parameters:
Wave Solder — 260°C, 3 seconds maximum.
Reflow Solder — 215°C, 30 seconds maximum.
Solderability: MIL-STD-202, Method 208.
Cleaning: Board washable in most common solvents.
2.79 (.110)
11.53 (.454)
Recommended Pad Layout
1/2A
3/4A
1A
1 1/2A
2A
2 1/2A
3A
4A
5A
1/4A
1/16A
SMF Fuses — 24mm Tape and Reel per EIA-RS481-2
(IEC 286, part 3); 500 per reel.
DIP Fuses — Antistatic magazine, 100 per magazine.
1/8A
Average Time Current Curves
PACKAGING SPECIFICATIONS:
100
PATENTED
ORDERING INFORMATION
1
Catalog1
Number
202.062G
202.125G
202.250G
202.500G
202.750G
202 001G
202 01.5G
202 002G
202 02.5G
202 003G
202 004G
202 005G
Ampere
Rating
1/16
1/8
1/4
1/2
3/4
1
11/2
2
21/2
3
4
5
Voltage
Rating
250
250
250
250
250
250
250
250
250
250
250
250
Nominal
Melting I 2t
A2 Sec.
0.000220
0.00180
0.0147
0.0363
0.0980
0.192
0.540
1.07
1.76
1.71
3.00
4.68
TIME IN SECONDS
Catalog
Number
202.062
202.125
202.250
202.500
202.750
202 001
202 01.5
202 002
202 02.5
202 003
202 004
202 005
10
Nominal
Resistance
Cold Ohms
7.90
2.45
0.880
0.298
0.166
0.119
0.0701
0.0469
0.0455
0.0327
0.0244
0.0174
1
0.1
0.01
SMF fuse marking includes the letter “G” next to the series number indicating “Gull-Wing”.
0.001
0.05 0.1
384
w w w. l i t t e l f u s e . c o m
1
10
100
CURRENT IN AMPERES
1000