2

Technical Data

4326

Effective December 2015

6125FF

Fast-acting subminiature fuses

www.eaton.com/elx

Electrical characteristics

% of Amp Rating

Opening Time

100%

4 Hours Minimum

200%

5 Second Maximum

Product specifications

Current rating

(amps)

Voltage rating

DC cold

resistance

(mΩ) Typ.

Typical

voltage

drop (mV)

Vac

Vdc

125Vac

72Vdc

32Vdc

6125FF500-R

500mA

125

72

50

50

300

750

0.08

605

6125FF750-R

750mA

125

72

50

50

300

350

0.152

433

6125FF1-R

1

125

72

50

50

300

260

0.22

415

6125FF1.25-R

1.25

125

72

50

50

300

171

0.355

410

6125FF1.5-R

1.5

125

72

50

50

300

112

0.456

365

6125FF2-R

2

125

72

50

50

300

49

1.67

160

6125FF2.5-R

2.5

125

72

50

50

300

45

5.20

155

6125FF3-R

3

125

72

50

50

300

35

6.24

153

6125FF3.5-R

3.5

125

72

50

50

300

27

7.28

150

6125FF4-R

4

125

72

50

50

300

26

7.4

145

6125FF5-R

5

125

72

50

50

300

17

9.5

141

6125FF6.3-R

6.3

125

72

50

50

300

14

15.1

135

6125FF7-R

7

125

72

50

50

300

11

37.25

112

6125FF8-R

8

125

72

50

50

300

8.7

70

110

6125FF10-R

10

125

72

50

50

300

7.3

67.75

110

6125FF12-R

12

125

72

50

50

300

5.3

210.59

106

6125FF15-R

15

125

72

50

50

300

4.2

296.10

104

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)

3 Part number definition: 6125FFxxx-R

6125FF= Product code and size

xxx= Ampere

-R= RoHS compliant

Recommended pad layout–mm (in)

1.35

(0.053)

TYP.

2.72±0.15

(0.107±0.006)

6.10±0.20

(0.24±0.008)

2.72±0.15

(0.107±0.006)

Dimensions–mm (in)

2.6

(0.102)

4.0

(0.157)

3.0

(0.118)

8.6

(0.338)