1 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)
2 Typical Melting I
2
t (Measured at 72Vdc, 10X rated current (not exceed 50A - IR @ 72Vdc)
3 Part number definition: 6125FFxxx-R
6125FF= Product code and size
xxx= Ampere
-R= RoHS compliant
Dimensions–mm (in)
2.72±0.15
(0.107±0.006)
Recommended pad layout–mm (in)
2.6
(0.102)
3.0
(0.118)
1.35
TYP.
(0.053)
4.0
(0.157)
2.72±0.15
(0.107±0.006)
6.10±0.20
(0.24±0.008)
8.6
(0.338)
2
www.eaton.com/elx
6125FF
Fast-acting subminiature fuses
Time vs. current curve
CURRENT IN AMPS
Technical Data
4326
Effective December 2015
CURRENT IN AMPS
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3
Technical Data
4326
Effective December 2015
6125FF
Fast-acting subminiature fuses
Temperature derating curve
125.00
120.00
115.00
Percentage of Rating
110.00
105.00
100.00
95.00
90.00
85.00
80.00
-25.0
0.0
24.0
50.0
85.0
105.0
125.0
Temperature (°C)
Environmental data
Operating temperature: -55°C to 125°C (with derating)
Storage temperature: -55°C to 125°C
Mechanical shock: MIL- STD- 202, method 213
High frequency vibration: MIL- STD- 202, method 204
Load humidity: MIL- STD- 202, method 103
Moisture resistance: MIL- STD- 202, method 106
Resistance to solvents: MIL- STD- 202, method 215
Thermal shock: MIL- STD- 202, Method 107
4
www.eaton.com/elx
6125FF
Fast-acting subminiature fuses
Solder Reflow Profile
T
P
Max. Ramp Up Rate = 3°C/s
Max. Ramp Down Rate = 6°C/s
T
L
Preheat
A
t
t
P
T
C
-5°C
Technical Data
4326
Effective December 2015
Table 1 - Standard SnPb Solder (Tc)
Package
Thickness
Volume
mm3
<350
Volume
mm3
≥350
<2.5mm)
≥2.5mm
T
smax
235°C
220°C
220°C
220°C
Temperature
Table 2 - Lead (Pb) Free Solder (Tc)
T
smin
t
s
Package
Thickness
Volume
mm
3
<350
Volume
mm
3
350 - 2000
Volume
mm
3
>2000
<1.6mm
1.6 – 2.5mm
>2.5mm
25°C
Time 25°C to Peak
260°C
260°C
250°C
260°C
250°C
245°C
260°C
245°C
245°C
Time
Reference JDEC J-STD-020D
Profile Feature
Standard SnPb Solder
Lead (Pb) Free Solder
Preheat and Soak
• Temperature min. (Tsmin)
• Temperature max. (Tsmax)
• Time (Tsmin to Tsmax) (ts)
100°C
150°C
60-120 Seconds
3°C/ Second Max.
183°C
60-150 Seconds
Table 1
20 Seconds**
6°C/ Second Max.
6 Minutes Max.
150°C
200°C
60-120 Seconds
3°C/ Second Max.
217°C
60-150 Seconds
Table 2
30 Seconds**
6°C/ Second Max.
8 Minutes Max.
Average ramp up rate Tsmax to Tp
Liquidous temperature (T
l
)
Time at liquidous (tL)
Peak package body temperature (TP)*
Time (tp)** within 5 °C of the specified classification temperature (Tc)
Average ramp-down rate (Tp to Tsmax)
Time 25°C to Peak Temperature
* Tolerance for peak profile temperature (Tp) is defined as a supplier minimum and a user maximum.
** Tolerance for time at peak profile temperature (tp) is defined as a supplier minimum and a user maximum.
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