384
Surface Mount Fuses
www.littelfuse.com
• For new designs please use the 464 Series, NANO
2®
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 Opening
Rating Time
100% 4 hours, Minimum
200% 2 seconds, Maximum
AGENCY APPROVALS: Recognized under the Components
Program of Underwriters Laboratories and Certified by CSA.
AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.
INTERRUPTING RATING:
50 amperes at 250 VAC.
ENVIRONMENTAL SPECIFICATION:
Operating Temperature: –55°C to 125°C.
PHYSICAL SPECIFICATIONS:
Materials: Body: Thermoplastic
Terminations: Tin/Lead Plated Copper
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.
PACKAGING SPECIFICATIONS:
SMF Fuses — 24mm Tape and Reel per EIA-RS481-2
(IEC 286, part 3); 500 per reel.
DIP Fuses — Antistatic magazine, 100 per magazine.
PATENTED
Subminiature Surface Mount & Dip Types
FLAT-PAK
®
Fast Acting Fuse 202 Series
ORDERING INFORMATION
Nominal Nominal
Catalog Catalog
1
Ampere Voltage Resistance Melting I
2
t
Number Number Rating Rating Cold Ohms A
2
Sec.
202.062 202.062G 1/16 250 7.90 0.000220
202.125 202.125G 1/8 250 2.45 0.00180
202.250 202.250G 1/4 250 0.880 0.0147
202.500 202.500G 1/2 250 0.298 0.0363
202.750 202.750G 3/4 250 0.166 0.0980
202 001 202 001G 1 250 0.119 0.192
202 01.5 202 01.5G 1
1
/2 250 0.0701 0.540
202 002 202 002G 2 250 0.0469 1.07
202 02.5 202 02.5G 2
1
/2 250 0.0455 1.76
202 003 202 003G 3 250 0.0327 1.71
202 004 202 004G 4 250 0.0244 3.00
202 005 202 005G 5 250 0.0174 4.68
1
SMF fuse marking includes the letter “G” next to the series number indicating “Gull-Wing”.
9.45
(.372")
6.35
(.250")
4.19
(.165")
0.53
(.021")
10.16
(.400")
.135"
0.30 (.012")
6
o
202 FLAT- PAK
L
F
F 2A
250 V
PAT 4563666
DIP Configuration
(Thru-Hole) Mounting
9.45
(.372")
6.35
(.250")
4.19
(.165")
202G FLAT- PAK
L
F
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
Reference Dimensions:
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
Average Time Current Curves
®
®