203.250G [ETC]
Fuse ; 保险丝\n
ETC 
SURFACE MOUNT FUSES
SUBMINIATURE SURFACE MOUNT & DIP TYPES
FLAT-PAK® Slo-Blo® 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
Reference Dimensions:
1 second, Minimum
30 seconds, Maximum
200%
203 FLAT- PAK
T 2A
203G FLAT- PAK
T 2A
F
F
250 V
L
L
250 V
PAT 4563666
AGENCY APPROVALS: Recognized under the
Components Program of Underwriters Laboratories and
Certified by CSA.
PAT 4563666
.372"
.372"
.250"
.250"
.165"
.021"
.165"
.060"
AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.
.055"
.600"
.003"
.135"
6o
INTERRUPTING RATING:
50 amperes at 250 VAC.
SMF Configuration
("Gull Wing" Surface Mount)
.400"
.012"
.674
DIP Configuration
(Thru-Hole) Mounting
ENVIRONMENTAL SPECIFICATION:
Operating Temperature: –55°C to 125°C.
.160
.454
.110
PHYSICAL SPECIFICATIONS:
Materials: Body: Thermoplastic
Recommended Pad Layout
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.
Average Time Current Curves
PACKAGING SPECIFICATIONS:
SMF Fuses — 24mm Tape and Reel per EIA-RS481
(IEC 286, part 3); 500 per reel.
DIP Fuses — Antistatic magazine, 100 per magazine.
100
10
PATENTED
ORDERING INFORMATION
Nominal
Resistance
Cold Ohms
Nominal
Melting I2t
A2 Sec.
Catalog
Number
Catalog1
Number
Ampere Voltage
Rating
Rating
203.250
203.500
203.750
203 001
203 01.5
203.250G
203.500G
203.750G
203 001G
203 01.5G
1/4
1/2
3/4
250
250
250
250
250
1.36
0.0126
0.112
0.327
0.328
0.850
0.433
0.158
0.0755
0.0390
1
1
1
2
1 /
203 002
203 02.5
203 003
203 004
203 005
203 002G
203 02.5G
203 003G
203 004G
203 005G
2
2 /
3
4
5
250
250
250
250
250
0.0345
0.0237
0.0197
0.0148
0.0124
1.70
2.87
4.40
8.75
14.7
1
2
.1
1 SMF fuse marking includes the letter “G” next to the series number indicating “Gull-Wing”.
0.01
0.001
0.05 0.1
1
10
100
1000
CURRENT IN AMPERES
39
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