Radial Lead Micro Fuse
EFF Series, Fast Acting
Description
• Fast acting micro fuse
• Base and cap material is a thermoplastic, UL 94-V0
• Leads are tin-lead plated copper alloy
Electrical Characteristics
150%
Rated Current
250mA to 5A
All are 250V AC
Min.
1 hr.
210%
Max.
30 min.
275%
Min.
10 ms.
Max.
3 sec.
400%
Min.
3 ms.
Max.
300 ms.
1000%
Max.
20 ms.
Dimensional Data
A
A
V
DE
Agency Information
• Semco Certificate VDE License: 250mA to 5A / 35A or
10
In
whichever is greater @ 250VAC
• UL Recognized File No. E19180, CSA Acceptance File
No. LR701159; 250mA to 5A / 50A @ 250VAC
• RoHS Compliant
Environmental Data
• Soldering Heat Resistance: 260°, 10 sec. per IEC 68-2-20
• Vibration Resistance: MIL-STD-202, Method 201,
10-55Hz x 3 axis/ no load
• Shock Resistance: MIL-STD-202, Method 213,
Condition I (Sawtooth)
• Moisture Resistance: MIL-STD-202F, Method 106
• Salt Spray: MIL-STD-202, Method 101,
Condition B (48 hrs)
• Operating Temperature: -55°C to +125°C
Ordering
• Specify product code and packaging code
S
F500MA 250V
BU
SS
FUSE
B
E
LEAD
C
Ø
D
F
Short Lead
Dimensions
mm (inches)
Short Lead
A
B
C
D
E
F
∅
8.35 ± 0.1 (0.329)
7.7 ± 0.1 (0.303)
4.3 ± 0.3 (0.169)
—
0.5 min. (0.020)
0.6 ± 0.1 (0.024)
Long Lead
8.35 ± 0.1 (0.329)
7.7 ± 0.1 (0.303)
—
18.8 ± 0.3 (0.740)
0.5 min. (0.020)
0.6 ± 0.1 (0.024)
Long Lead
5.08 ± 0.1 (0.200) 5.08 ± 0.1 (0.200)
SPECIFICATIONS
Product
Code
EFF-250mA
EFF-315mA
EFF-400mA
EFF-500mA
EFF-630mA
EFF-800mA
EFF-1
EFF-1.25
EFF-1.6
EFF-2
EFF-2.5
EFF-3.15
EFF-4
EFF-5
EFF-6.3
Ampere
Rating
250mA
315mA
400mA
500mA
630mA
800mA
1A
1.25A
1.6A
2A
2.5A
3.15A
4A
5A
6.3A
Typical Cold
Resistance
(ohm)
0.45
0.34
0.25
0.19
0.091
0.071
0.055
0.043
0.034
0.026
0.02
0.016
0.012
0.01
0.008
Volt-drop
@ 100%
In
(Volt) max.
0.254
0.246
0.239
0.232
0.106
0.103
0.1
0.097
0.094
0.091
0.088
0.086
0.083
0.081
0.078
Melting I
2
T
< 10 mSec
(A
2
Sec)
0.029
0.05
0.08
0.15
0.12
0.21
0.36
0.61
1.1
1.8
3.1
5.3
9
16
27
Melting I
2
T
@ 10
In
(A
2
Sec)
0.027
0.05
0.08
0.13
0.13
0.22
0.36
0.59
1
1.7
2.7
4.5
8
13
21
Maximum
Power
Dissipation (W)
0.15
0.18
0.22
0.27
0.15
0.19
0.23
0.28
0.35
0.42
0.51
0.62
0.77
0.93
1.14
Voltage Drop measured at 100% of rated current.
Melting I
2
t measured at 10X current rating
Radial Lead Micro Fuse
EFF Series, Fast Acting
TIME CURRENT CURVE
PACKAGING CODE
Packaging Code
AP
BK
Description
Ammo-pack taped 1,000 per box (long lead only)
In bulk 100 per bag (short lead only)
Visit us on the web at:
www.CooperET.com
OC-2589 4/04
© Cooper Electronic
Technologies 2004
North America
Cooper Bussmann
Cooper Electronic Technologies
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Tel: 1-561-752-5000
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