Description
• Time Delay surface mount fuse capable of replacing
glass tube fuses in certain applications
• Environmentally rugged, complies with EIA-IS-722
Standard
• Solder Immersion Compatible
• Targeted for Consumer Electronics
ELECTRICAL CHARACTERISTICS
% of Amp Rating
100%
200%
200%
200%
Agency Information
• UL Recognition Guide & File numbers: JDYX2 & E19180.
• CSA Component Acceptance: 053787 C 000 & Class
No: 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
• 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, Test
Condition A
• 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
Product
Voltage
Code
AC
6125TD500mA
125V
6125TD750mA
125V
6125TD1A
125V
6125TD1.5A
125V
6125TD2A
125V
6125TD2.5A
125V
6125TD3A
125V
6125TD3.5A
125V
6125TD4A
125V
6125TD5A
125V
6125TD7A
125V
* AC Interrupting Rating (Measured at designated voltage, 100% power factor); 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)
‡ Typical Voltage Drop (Measured at rated current after temperature stabilizes)
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.
Opening Time
4 Hours Minimum
1 Second Minimum
2-4 Seconds Typical
60 Seconds Maximum
SPECIFICATIONS
Interrupting
Rating
Rating*
DC
125VAC
60V
50A
60V
50A
60V
50A
60V
50A
60V
50A
60V
50A
60V
50A
60V
50A
60V
50A
60V
50A
60V
50A
Dimensions
Land Pattern
Soldering Method
• Wave Immersion: 260°C, 3 sec max.
• Infrared: 260°C, 30 sec max.
DC Cold
Resistance** (ohms)
60VDC
min.
typ.
max.
50A
.3350
.4025
.4700
50A
.2000
.2350
.2700
50A
.1350
.1680
.2000
50A
.0550
.0630
.0700
50A
.0380
.0480
.0580
50A
.0280
.0350
.0420
50A
.0225
.0263
.0300
50A
.0170
.0195
.0220
50A
.0160
.0185
.0210
50A
.0115
.0133
.0150
50A
.0073
.0087
.0100
Brick
6125TD Series, Time Delay
mm
⁄
(inches)
2.6
3.0
(0.102)
(0.118)
4.0
(0.157)
8.6
(0.338)
Typical
Melting
I
2
t†
0.716
1.07
2.88
2.35
9.45
16.2
15.3
14.5
38.8
34.4
90.2
™
Fuses
Typical
Voltage
Drop‡
245 mV
250 mV
256 mV
125 mV
133 mV
130 mV
97 mV
95 mV
106 mV
100 mV
99 mV
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