Description
• Surface Mount
• Environmentally rugged, satisfies the EIA/IS-722
Standard
• Solder Immersion Compatible
• Targeted for Consumer Electronics
Note: 30vde constant current source required for 200%
overload tests on 250ma-1a.
Agency Information
• UL Recognition Guide & File numbers:
JDYX2 & E19180 (250mA - 15A)
• CSA Component Acceptance:
File # 053787 C000, Class # 1422 30
Environmental Data
•Life Test: MIL-STD-202, Method 108A, Test Condition D
• Load Humidity: MIL-STD-202, Method 103B
• Moisture Resistance: MIL-STD-202, Method 106E
•Terminal Strength: MIL-STD-202, Method 211A
• Thermal Shock:MIL-STD-202, Method 107D, air-to-air
• Case Resistance: EIA/IS-722
• Resistance to Dissolution of Metallization:
ANSI J-STD-002, Test D
• Mechanical Shock: MIL-STD-202, Method 213B with
exceptions per EIA/IS-722 Standard
• High Frequency Vibration: MIL-STD-202, Method 204D,
Test Condition D
• Resistance to Solvents: MIL-STD-202, Method 215A
Soldering Method
• Wave Solder: 260°C, 10 sec max.
• Infrared Reflow: 260°C, 30 sec max.
Ordering
• Specify product code and packaging code
Land Pattern
Dimensions
mm
⁄(inches)
Drawing Not to Scale
Brick
™
Fuses
1025FA Series, Fast Acting
ELECTRICAL CHARACTERISTICS
% of Amp Rating Opening Time
100% 4 Hours Minimum
200% (250mA-5A) 5 Seconds Maximum
250% (250mA-5A fuse) 1 Second Maximum
200% (7A-15A fuse) 20 Seconds Maximum
250% (7A-15A fuse) 4 Seconds Maximum
SPECIFICATIONS
Voltage Interrupting DC Cold Typical Typical Marking
Product Code Rating Rating* Resistance** (ohms) Melting Voltage Code‡‡
AC DC 250VAC 125VDC 60VDC Typical I
2
t† Drop‡
1025FA250mA 250V 125V 50A 50A - 5.0000 0.1212 2019 mV AD
1025FA500mA 250V 125V 50A 50A - 1.2000 0.0415 1500 mV AF
1025FA750mA 250V 125V 50A 50A - 0.6000 0.143 880 mV AG
1025FA1A 250V 125V 50A 50A - 0.3000 1.750 560 mV AH
1025FA1.5A 250V 125V 50A 50A - 0.1040 1.460 260 mV AK
1025FA2A 250V 125V 50A 50A - 0.0800 6.086 258 mV AN
1025FA2.5A 250V 125V 50A 50A - 0.0510 8.48 232 mV AO
1025FA3A 250V 125V 50A 50A - 0.0390 18.15 205 mV AP
1025FA3.5A 250V 125V 50A 50A - 0.0300 17.83 185 mV AR
1025FA4A 250V 125V 50A 50A - 0.0270 23.32 190 mV AS
1025FA5A 250V 125V 50A 50A - 0.0200 38.74 180 mV AT
1025FA7A 250V 60V 50A 50A - 0.0116 138 150 mV AU
1025FA10A 250V 60V 50A 50A - 0.0076 457 146 mV AW
1025FA12A 250V 60V 50A - 50A 0.0550 498 120 mV AX
1025FA15A 250V 60V 50A - 50A 0.0041 1451 110 mV AY
*AC Interrupting Rating (Measured at designated voltage, 100% power factor random closing); 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, but not exceeding the interrupting rating.Time constant of calibrated circuit less
than 50 microseconds).Test current not to exceed interrupting rating of 50A.
‡Typical Voltage Drop (Measured at rated current after temperature stabilizes)
‡‡Marking Code - 3
rd
(U = USA, T = Taiwan and S = China)
• 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.
U,
T
or
S
1
st
& 2
nd
3
rd
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