HALOGEN
Chip™ Fuses
0603FA Series, Fast-Acting
HF
Pb
FREE
Description
• Fast-acting 0603 surface mount fuse
• Excellent temperature and cycling characteristics
• Compatible with lead free solders and higher
temperature profiles
Electrical Characteristics
% of Amp Rating
100%
Opening Time
4 Hours Minimum
Surface Mount Device
200%
60 Seconds Maximum
Dimensions – mm/inches
Drawing Not to Scale
Agency Information
• UL Recognition Guide & File numbers:
JDYX2 &E19180
• CSA Component Acceptance: 053787 C 000 &
Class Number: 1422 30
Environmental Data
• Operating temparture: -55ºC to 125ºC with proper
derating
• Load humidity test: MIL-STD-202, Method 103B
• Moisture resistance test: MIL-STD-202, Method 106E
• Thermal shock test: MIL-STD-202, Method 107D
• High frequency vibration test: MIL-STD-202,
Method 204D
Recommended Pad Layout – mm/inches
1.25
(0.05)
Ordering
• Specify packaging and product code
(i.e., TR/0603FA250-R)
0.50
0.90
(0.02)
(0.035)
Soldering Method
• Wave solder: 260°C, 10 sec max.
• Solder reflow: 260°C, 30 sec max.
Specifications
Current
Rating
(amps)
250mA
375mA
500mA
750mA
1
Interrupting
DC Cold
Typical
Melting
I t***
Typical
Voltage
Drop†
0.921
0.605
0.600
0.440
0.211
0.151
0.138
0.116
0.113
0.110
0.103
0.097
0.090
Alpha
Code
Marking‡
Voltage
Rating
Part Number
Rating (amps) at
Rated Voltage*
Resistance** (Ω)
Typical
3.100
2
0603FA250-R
0603FA375-R
0603FA500-R
0603FA750-R
0603FA1-R
0603FA1.25-R
0603FA1.5-R
0603FA2-R
0603FA2.5-R
0603FA3-R
0603FA3.5-R
0603FA4-R
50Vdc
50Vdc
50
0.0004
0.0009
0.00193
0.0090
0.0025
0.0130
0.0319
0.0491
0.0625
0.0699
0.1200
0.2430
0.6950
D
E
F
50
1.250
32Vac/50dc
32Vac/dc
32Vac/dc
32Vac/dc
32Vac/dc
32Vac/dc
32Vac/dc
32Vac/dc
32Vac/dc
32Vac/dc
32Vac/dc
50ac/35dc
1.025
50
50
35
35
35
35
35
35
35
35
0.450
G
H
J
0.150
1.25
1.5
0.108
0.086
K
N
O
P
R
S
T
2
0.051
2.5
0.037
3
0.028
3.5
0.022
4
0.017
0603FA5-R
5
0.011
*
DC Interrupting rating (Measured at designated voltage, time constant of less than 50 microseconds, battery source)
** DC Cold resistance (Measured at ≤10% of rated current)
2
***Typical melting I t (Measured with a battery bank at rated DC voltage, 10x-rated current, not to exceed IR, time constant of calibrated circuit less than 50
microseconds) (0603FA4A and 5A measured at interrupting rating)
†
‡
Typical voltage drop (Measured at rated current after temperature stabilizes)
Alpha code to be marked on the top of fuse body for all ratings
0210 BU-SB10140
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Data Sheet 4336