Chip
™
Fuses
0603FA Series, Fast-Acting
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
Opening Time
100%
4 Hours Minimum
200%
60 Seconds Maximum
HF
FREE
HALOGEN
Pb
Surface Mount Device
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
Ordering
• Specify packaging and product code
(i.e., TR/0603FA250-R)
Recommended Pad Layout – mm/inches
1.25
(0.05)
0.50
(0.02)
Soldering Method
• Wave solder: 260°C, 10 sec max.
• Solder reflow: 260°C, 30 sec max.
0.90
(0.035)
Specifications
Par t Number
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
0603FA5-R
Current
Rating
(amps)
250mA
375mA
500mA
750mA
1
1.25
1.5
2
2.5
3
3.5
4
5
Voltage
Rating
50Vdc
50Vdc
32Vac/50dc
32Vac/dc
32Vac/dc
32Vac/dc
32Vac/dc
32Vac/dc
32Vac/dc
32Vac/dc
32Vac/dc
32Vac/dc
32Vac/dc
Interrupting
Rating (amps) at
Rated Voltage*
50
50
50ac/35dc
50
50
35
35
35
35
35
35
35
35
DC Cold
Resistance** (
Ω
)
Typical
3.100
1.250
1.025
0.450
0.150
0.108
0.086
0.051
0.037
0.028
0.022
0.017
0.011
Typical
Melting
I
2
t***
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
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‡
D
E
F
G
H
J
K
N
O
P
R
S
T
* 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)
*** Typical melting I
2
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
Page 1 of 2
Data Sheet 4336
COOPER [ COOPER BUSSMANN, INC. ]
