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Description
• Surface Mount
• Environmentally rugged, satisfies the EIA/IS-722
Standard
• Solder Immersion Compatible
• Targeted for Consumer Electronics
* If fuse does not open @ 200% in 60 seconds, raise current to 250%
and the fuse must open in 10 seconds maximum.
Agency Information
• UL Recognition Guide & File numbers:
JDYX2 & E19180 (250mA - 5A)
• 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
Ordering
• Specify product code and packaging code
Soldering Method
• Wave Immersion: 260°C, 10 sec max.
• Infrared: 260°C, 30 sec max.
3.30
(0.130)
4.38
(0.172)
6.79
(0.267)
Land Pattern
Dimensions
mm
⁄(inches)
Drawing Not to Scale
Brick
™
Fuses
1025TD Series, Time Delay
ELECTRICAL CHARACTERISTICS
% of Amp Rating Opening Time
100% 4 Hours Minimum
200% 1 Second Minimum
200% 60 Seconds Maximum
250% * 10 Seconds Maximum
SPECIFICATIONS
Voltage Interrupting DC Cold Typical Typical Marking
Product Code Rating Rating* Resistance** (ohms) Melting Voltage Code‡‡
AC DC 250VAC 125VDC Typical I
2
t† Drop‡
1025TD250mA 250V 125V 50A 50A 4.200 0.128 1900 mV DD
1025TD500mA 250V 125V 50A 50A 0.5500 1.47 455 mV DF
1025TD750mA 250V 125V 50A 50A 0.317 0.93 400 mV DG
1025TD1A 250V 125V 50A 50A 0.2030 9.91 387 mV DH
1025TD1.5A 250V 125V 50A 50A 0.1025 11.79 310 mV DK
1025TD2A 250V 125V 50A 50A 0.0680 17.27 250 mV DN
1025TD2.5A 250V 125V 50A 50A 0.0420 16.51 201 mV DO
1025TD3A 250V 125V 50A 50A 0.0330 42.74 184 mV DP
1025TD3.5A 250V 125V 50A 50A 0.0270 43.33 180 mV DR
1025TD4A 250V 125V 50A 50A 0.0220 66.96 152 mV DS
1025TD5A 250V 125V 50A 50A 0.0160 88.38 145 mV DT
*AC Interrupting Rating (Measured at designated voltage, 100% power factor random closing); DC Interrupting Rating (Measured at designated voltage, time
constant of the calibrated circuit is 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, time constant of calibrated circuit less than 50 microseconds)
‡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