cooper bussmann

0603FA Series Fast-Acting Chip™ Fuses

  
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


Agency Informations
• 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)


Dimensions - mm/in
Drawing Not to Scale


Recommended Pad Layout - mm/in


Soldering Method
• Wave solder: 260°C, 10 sec max.
• Solder reflow: 260°C, 30 sec max.

Specifications
Product Code Current
Rating
Voltage Rating DC Interrupting
Rating at
Rated Voltage*
DC Cold Resistance** (ohms) Typical Typical Melting I2t*** Typical Voltage Drop† Alpha Code 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 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

 
TIME CURRENT CURVE


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

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