Accu-Guard
®
II
SMD Thin-Film Fuse
Accu-Guard
®
II is a version of Accu-Guard
®
fuses for a
wider range of current and voltage ratings. Constructed on
alumina substrates, Accu-Guard
®
II fuses display superior
electrical, mechanical and environmental properties.
Accu-Guard
®
II dimensions are standard 0402, 0603,
0805, 1206 and 0612 chip sizes, see page 2.
For F1206B and F0805B at -55°C is 107% of rating, at
+25°C 100% of rating, at +85°C 93% of rating, at +125°C
90% of rating. For F0805B 2.50A and 3.00A at +85°C 90%
of rating, at +125°C 90% of rating.
Interrupting rating: 50A.
Insulation resistance: >20MΩ guaranteed (after fusing at
rated voltage).
For F0612D at -55°C 107% of rating, at +25°C 100% of
rating, at +85°C 80% of rating, at +125°C 75% of rating.
ELECTRICAL SPECIFICATIONS
Operating temperature: -55°C to +125°C
Current carrying capacity:
For F0402E and F0603E at -55°C 107% of rating, at -25°C
100% of rating, at +125°C 80% of rating. For F0603C at
-55°C is 107% of rating, at +25°C 100% of rating, at +85°C
90% of rating, at +125°C 75% of rating.
Type
Part Number
F0402E0R25FSTR
F0402E0R50FSTR
F0402E0R75FSTR
F0402E1R00FSTR
F0402E1R50FSTR
F0402E2R00FSTR
F0603E0R25FSTR
F0603E0R37FSTR
F0603E0R50FSTR
F0603E0R75FSTR
F0603E1R00FSTR
F0603E1R25FSTR
F0603E1R50FSTR
F0603E1R75FSTR
F0603E2R00FSTR
F0603E2R50FSTR
F0603E3R00FSTR
F0603C0R25FWTR
F0603C0R37FWTR
F0603C0R50FWTR
F0603C0R75FWTR
F0603C1R00FWTR
F0603C1R25FWTR
F0603C1R50FWTR
F0603C1R75FWTR
F0603C2R00FWTR
F0603C2R50FWTR
F0603C3R00FWTR
F0805B0R25FWTR
F0805B0R50FWTR
F0805B0R75FWTR
F0805B1R00FWTR
F0805B1R25FWTR
F0805B1R50FWTR
F0805B2R00FWTR
F0805B2R50FWTR
F0805B3R00FWTR
F1206B0R25FWTR
F1206B0R50FWTR
F1206B1R00FWTR
F1206B1R50FWTR
F1206B2R00FWTR
F1206B3R00FWTR
F0612D4R00FWTR
F0612D5R00FWTR
Current
Resistance
Rating 10% x I rated, 25°C
A
Ω
(max.)
0.25
0.650
0.50
0.250
0.75
0.200
1.00
0.130
1.50
0.060
2.00
0.040
0.25
0.650
0.375
0.450
0.50
0.250
0.75
0.200
1.00
0.130
1.25
0.090
1.50
0.060
1.75
0.050
2.00
0.040
2.50
0.035
3.00
0.030
0.25
0.800
0.375
0.500
0.50
0.320
0.75
0.300
1.00
0.200
1.25
0.170
1.50
0.110
1.75
0.090
2.00
0.075
2.50
0.055
3.00
0.045
0.25
0.750
0.50
0.350
0.75
0.270
1.00
0.220
1.25
0.170
1.50
0.120
2.00
0.080
2.50
0.060
3.00
0.050
0.25
0.750
0.50
0.350
1.00
0.180
1.50
0.120
2.00
0.080
3.00
0.050
4.00
0.040
5.00
0.025
F0402E
F0603E
F0603C
F0805B
F1206B
F0612D
Voltage Drop
Fusing Current
@1 x I rated, 25°C (within 5 sec), 25°C
mV (max.)
A
220
0.625
180
1.25
180
1.875
160
2.50
140
3.75
120
5.00
220
0.625
220
0.940
180
1.25
180
1.875
160
2.50
140
3.125
140
3.75
120
4.375
120
5.00
100
6.25
100
7.50
280
0.50
280
0.75
280
1.00
280
1.50
240
2.00
240
2.50
240
3.00
240
3.50
240
4.00
200
5.00
200
6.00
280
0.50
280
1.00
280
1.50
280
2.00
280
2.50
240
3.00
220
4.00
220
5.00
220
6.00
280
0.50
280
1.00
240
2.00
240
3.00
220
4.00
220
6.00
260
10
200
12.5
Pre-Arc
I
2
t @ 50A
A
2
-sec
0.00005*
0.0003
0.003
0.008
0.03
0.06
0.00005*
0.0001
0.0003
0.003
0.008
0.01
0.03
0.04
0.06
0.12
0.25
0.00003*
0.0001
0.0002
0.0015
0.004
0.007
0.012
0.02
0.03
0.05
0.1
0.00003*
0.0002
0.001
0.003
0.007
0.010
0.030
0.050
0.10
0.00003
0.0002
0.003
0.010
0.030
0.10
0.10
0.25
Rated
Voltage
V
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
32
24
24
16
16
63
63
63
63
63
63
63
63
63
63
63
63
63
63
63
32
32
*Current is limited to less than 50A at 32V due to internal fuse resistance.
7
AVX [ AVX CORPORATION ]
