Description
•Rapid interruption of excessive current
•Compatible with reflow and wave solder
•Rugged ceramic and glass construction
•Excellent environmental integrity
•One time positive disconnect
•Compatible with lead free solders and higher
temperature profiles
Agency Information
• UL Recognition Guide & File numbers:
JDYX2 &E19180
• CSA Component Acceptance: 053787 C 000 &
Class Number: 1422 30
Environmental Data
• Life Test: MIL-STD-202, Method 108A
•Load Humidity Test: MIL-STD-202, Method 103B
• Moisture Resistance Test: MIL-STD-202, Method 106E
• Terminal Strength Test: Downward force is applied to
cause a 1mm deflection for 1 minute
• Thermal Shock Test: MIL-STD-202, Method 107D
•Solderability: ANSI/J-STD-002
• Mechanical Shock Test: MIL-STD-202, Method 213B
• High Frequency Vibration Test: MIL-STD-202,
Method 204D
• Resistance to Solvents Test: MIL-STD-202, Method 215A
Ordering
• Specify packaging and product code
(i.e., TR/0603FA250-R)
Soldering Method
•Wave Solder: 260°C, 10 sec max.
•Infrared Reflow: 260°C, 30 sec max.
1.25
(0.05)
0.50 0.90
(0.035)
(0.02)
Land Pattern
Dimensions mm⁄(inches)
Drawing Not to Scale
ELECTRICAL CHARACTERISTICS
%of Amp Rating Opening Time
100% 4 Hours Minimum
200% 60 Seconds Maximum
SPECIFICATIONS
Current Voltage Interrupting DC Cold Typical Typical Alpha
Product Code Rating Rating Rating at Resistance** (ohms) Melting Voltage Code
DC Rated Voltage* Typical I2t*** Drop† Marking‡
0603FA250-R 250mA 32V 50A 3.100 0.0004 0.921 D
0603FA375-R 375mA 32V 50A 1.250 0.0009 0.605 E
0603FA500-R 500mA 32V 50A 1.025 0.00193 0.600 F
0603FA750-R 750mA 32V 50A 0.450 0.0090 0.440 G
0603FA1-R 1A 32V 50A 0.150 0.0025 0.211 H
0603FA1.25-R 1.25A 32V 35A 0.108 0.0130 0.151 J
0603FA1.5-R 1.5A 32V 35A 0.086 0.0319 0.138 K
0603FA2-R 2A 32V 35A 0.051 0.0491 0.116 N
0603FA2.5-R 2.5A 24V 35A 0.037 0.0625 0.113 O
0603FA3-R 3A 24V 35A 0.028 0.0699 0.110 P
0603FA3.5-R 3.5A 24V 35A 0.022 0.1200 0.103 R
0603FA4-R 4A 24V 35A 0.017 0.2430 0.097 S
0603FA5-R 5A 24V 35A 0.011 0.6950 0.090 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 I2t(Measured with a batterybank 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
•Device designed to carry rated current for four hours minimum. An operating current of 80% or less of rated current is recommended, with
further derating required at elevated ambient temperatures.
Chip™Fuses
0603FA Series, Fast Acting
RoHS
2002/95/EC
PACKAGING CODE
Packaging Code Description
TR 5,000 pieces of fuses in paper tape and reeled on a 178mm (7 inch) reel per EIA Standard 481-1
TIME CURRENT CURVE
Chip™Fuses
0603FA Series, Fast Acting
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www.cooperbussmann.com
OC-2547 Rev. XJ 3/07
© Cooper Electronic
Technologies 2007
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