Radial Lead Micro Fuse EFF

Bussmann®
Radial Lead Micro Fuse
Quick-Acting (F)
250mA to 5A, 250 Volts AC
PRE
LIMI
EFF
NAR
Dimensional Data
S
Y DA
TA
V
DE
A
A
S
R
V
DE
T500MA 250V
B
BU
S S F US E
E
LEAD
C
CATALOG SYMBOL: EFF
RADIAL LEAD MICRO FUSE
250mA TO 5A
250 VOLTS AC
QUICK-ACTING (F)
DESCRIPTION:
Fuses are quick-acting, radial leaded
micro fuses in accordance with the specifcations of IEC127-3, standard sheet 3
(Type F).
PACKAGING:
Fuses can be provided:
1. in Bulk (short lead only) or
2. on tape in standard ammo-pack boxes,
to IEC 286-2.
WEIGHT:
573 grams per 1000.
D
F
Short Lead
Long Lead
Dimensions
mm (inches)
Melting
I2t
A2 Sec.
Short Lead
Long Lead
A
8.35 (.3285)
8.35 (.3285)
B
7.7 (.303)
7.7 (.303)
C
4.3 (.1695)
—
D
—
18.8 (.74)
E
0.5 (.0195)
0.5 (.197)
F
5.0 (.0235)
5.0 (.0235)
∅
0.6
0.6
Catalog
Number*
Rating
Typical mV Drop
Measured at 75%
Normal Ambient
EFF250
250mA
260
0.05
150%
210%
EFF315
315mA
250
0.08
Rated Current
Min.
Max.
Min.
Max.
Min.
Max.
Max.
EFF400
400mA
240
0.14
250mA to 5A
1 hr.
30 min.
10 ms.
3 sec.
3 ms.
300 ms.
20 ms.
EFF500
500mA
230
0.22
All are 250V AC
EFF630
630mA
110
0.17
EFF800
800mA
100
0.25
EFF1
1A
90
0.04
EFF1.25
1.25A
87
0.66
EFF1.6
1.6A
85
1
EFF2
2A
84
2
EFF2.5
2.5A
82
3
EFF3.15
3.15A
81
5
EFF4
4A
80
9
EFF5
5A
78
15
275%
400%
1000%
* Please add the following prefix to the catalog number to denote packaging required:
AP - Ammo-pack taped 1000 per box or,
BK - In bulk 100 per bag (short lead only).
For example: AP/EFF800 for Ammo-pack and BK/EFF800 for Bulk Pack.
Form No. EFF
Page 1 of 2
BIF Doc #4201
Bussmann
rev. 10/14/96
Bussmann®
Radial Lead Micro Fuse
Quick-Acting (F)
250mA to 5A, 250 Volts AC
PRE
0.08
0.1
0.125
0.16
0.2
0.25
0.315
0.4
0.5
0.63
0.8
1
1.25
1.6
2
2.5
3.15
4
5
Time-Current Characteristics–Total Clear
AMPERE
RATING
EFF
LIMI
NAR
R
S
V
DE
Y DA
TA
100
TIME IN SECONDS
10
1
.1
100
10
1
.001
0.1
.01
CURRENT IN AMPERES
This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Bussmann reserves the right, without notice, to change design
or construction of any products and to discontinue or limit distribution of any products. Bussmann also reserves the right to change or update, without notice, any technical information contained in this bulletin. Once a
product has been selected, it should be tested by the user in all possible applications.
Form No. EFF
Page 2 of 2
BIF Doc #4201
Bussmann