SURFACE MOUNT FUSES
SUBMINIATURE SURFACE MOUNT & DIP TYPES
FLAT-PAK
廬
Slo-Blo
廬
Fuse
Fast-Acting and Slo-Blo
廬
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
100%
200%
Opening
Time
4 hours,
Minimum
1 second,
Minimum
30 seconds,
Maximum
廬
廬
Reference Dimensions:
203 FLAT- PAK
203G FLAT- PAK
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:
鈥?5擄C to 125擄C.
PHYSICAL SPECIFICATIONS:
Materials:
Body: Thermoplastic
Terminations: Tin/Lead Plated Copper
Soldering Parameters:
Wave Solder 鈥?260擄C, 3 seconds maximum.
Reflow Solder 鈥?215擄C, 30 seconds maximum.
Solderability:
MIL-STD-202, Method 208.
Cleaning:
Board washable in most common solvents.
PACKAGING SPECIFICATIONS:
SMF Fuses 鈥?24mm Tape and Reel per EIA-RS481
(IEC 286, part 3); 500 per reel.
DIP Fuses 鈥?Antistatic magazine, 100 per magazine.
PATENTED
ORDERING INFORMATION
Catalog
Number
203.250
203.500
203.750
203
001
203
01.5
203
002
203
02.5
203
003
203
004
203
005
1
F
L
T 2A
250 V
F
L
.250"
.165"
T 2A
250 V
PAT 4563666
PAT 4563666
.372"
.372"
.250"
.165"
.135"
6
o
.400"
.012"
DIP Configuration
(Thru-Hole) Mounting
.021"
.003"
.055"
.600"
SMF Configuration
("Gull Wing" Surface Mount)
.674
.160
.060"
.110
.454
Recommended Pad Layout
Average Time Current Curves
100
Catalog
Ampere Voltage
Number
Rating Rating
203.250G
1/4
250
203.500G
1/2
250
203.750G
3/4
250
203
001G
1
250
203
01.5G
1
1
/
2
250
203
002G
2
250
203
02.5G
2
1
/
2
250
203
003G
3
250
203
004G
4
250
203
005G
5
250
1
Nominal
Resistance
Cold Ohms
1.36
0.433
0.158
0.0755
0.0390
0.0345
0.0237
0.0197
0.0148
0.0124
Nominal
Melting I
2
t
A
2
Sec.
0.0126
0.112
0.327
0.328
0.850
1.70
2.87
4.40
8.75
14.7
10
TIME IN SECONDS
1
.1
SMF fuse marking includes the letter 鈥淕鈥?next to the series number indicating 鈥淕ull-Wing鈥?
0.01
0.001
0.05 0.1
1/2A
3/4A
1A
1 1/2A
2A
2 1/2A
3A
4A
5A
1
10
100
CURRENT IN AMPERES
1/4A
1000
39
1
