Radial Lead Micro Fuse
EFF Series, Fast Acting
Description
• RoHS Compliant
• Fast acting micro fuse
• Base and cap material is a thermoplastic, UL 94-V0
• Leads are tin plated copper alloy
Electrical Characteristics
150%
Min.
1 hr.
210%
Max.
275%
Min. Max.
400%
Min. Max.
3 ms. 300 ms.
1000%
Max.
Rated Current
250mA to 5A
All are 250V AC
30 min. 10 ms. 3 sec.
20 ms.
Dimensional Data
A
A
Agency Information
V
D
E
S
F500MA 250V
B
• Semco Certificate VDE License: 250mA to 5A / 35A or
10 In whichever is greater @ 250VAC
E
LEAD
Ø
S
• UL Recognized File No. E19180, CSA Acceptance File
No. LR701159; 250mA to 5A / 50A @ 250VAC
• RoHS Compliant
C
Environmental Data
D
F
• 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)
Short Lead
Dimensions
mm (inches)
Long Lead
Short Lead
Long Lead
A
B
C
D
E
8.35 0.1 (0.329) 8.35 0.1 (0.329)
7.7 0.1 (0.303)
4.3 0.3 (0.169)
—
7.7 0.1 (0.303)
—
• Operating Temperature: -55°C to +125°C
18.8 0.3 (0.740)
0.5 min. (0.020)
Ordering
0.5 min. (0.020)
F
5.08 0.1 (0.200) 5.08 0.1 (0.200)
0.6 0.1 (0.024) 0.6 0.1 (0.024)
• Specify packaging code and product code
(i.e., BK/EFF-250mA)
∅
SPECIFICATIONS
2
2
Product
Code
Ampere
Rating
Typical Cold
Volt-drop
@ 100% In
(Volt) max.
0.254
Melting I T
< 10 mSec
Melting I T
Maximum
Power
Dissipation (W)
0.15
Resistance
(ohm)
0.45
@ 10 In
(A Sec)
2
2
(A Sec)
EFF-250mA
EFF-315mA
EFF-400mA
EFF-500mA
EFF-630mA
EFF-800mA
EFF-1
EFF-1.25
EFF-1.6
EFF-2
250mA
315mA
400mA
500mA
630mA
800mA
1A
1.25A
1.6A
2A
0.029
0.05
0.08
0.15
0.12
0.21
0.36
0.61
1.1
0.027
0.05
0.08
0.13
0.13
0.22
0.36
0.59
1
0.34
0.25
0.19
0.091
0.071
0.055
0.043
0.034
0.026
0.02
0.246
0.239
0.232
0.106
0.103
0.1
0.097
0.094
0.18
0.22
0.27
0.15
0.19
0.23
0.28
0.35
0.091
0.088
1.8
3.1
1.7
2.7
0.42
0.51
EFF-2.5
2.5A
EFF-3.15
EFF-4
EFF-5
3.15A
4A
5A
0.016
0.012
0.01
0.086
0.083
0.081
5.3
9
16
4.5
8
13
0.62
0.77
0.93
EFF-6.3
6.3A
0.008
0.078
27
21
1.14
Voltage Drop measured at 100% of rated current.
Melting I2t measured at 10X current rating
COOPER [ COOPER BUSSMANN, INC. ]
