MELF/MKF 125VQuick-acting Surface Mount Fuses - High Breaking Capacity
UL 248-14 (formerly 198.G)
CSA C22.2 No. 248.14 (formerly 59.2M)
Enlargement
NEW
MELF Approvals: (reference series 172876)
MELF
UL recognition 125mA-7A/125V
CSA certification 125mA-7A/125V
File #E42088
File #LR34549
MKF Approvals
UL recognition 125mA-4A/125V; 5A-7A/63V File #E42088
CSA certification 125mA-7A/125V File #LR34549
Tape
MKF
MKF
MELF
according toIEC 286-3
Spool
Solder pad
Solder pad
Time Current Characteristics (Tamb = 25˚C)
n • ln
In
1.5 • In 2 • In 2.75 • In 4 • In 10 • In
rated current In
min.
max. max.
5 s 300 ms 30 ms 4 ms
600 s 10 s 60 ms
max.
max. max.
For informaton about Melf
miniature SMD and through-
hole mount fuseholders, see
page 87
125mA – 750mA 4 h
1A – 7A 4 h
–
Multiple of rated current In
–
–
Technical Data
125 V AC/DC
see chart
quick-acting, see chart for values
Rated voltage Un
Rated current
Time current characteristic
Marking
on fuse: rated current, logo; on smallest package: type, rated current,
volts, breaking capacity, logo, UL, CSA
Ambient temperature max. Tamb
Solderability (reflow and vapor phase)
Soldering heat resistance
-55˚C to +85˚C
235˚C/2 sec. (IEC 68-2-58/Td)
235˚C/5 sec. (IEC 68-2-58/Td)
Material: Housing
ceramic
brass, tin-plated
End caps
MELF 7g
MKF 14.5g
Net weight (per hundred)
Order Numbers Rated curr. /
voltage
Breaking
Capacity
Volt. drop Power Pre-arci-
Order
Numbers
Rated curr.
/ voltage
Breaking Volt.
Power Pre-
Packaging
@ In
ng I2t at
10 • In
capacity
drop at diss. at arcing I2t
diss.
@ In
In
In
at 10 • In
max. mV max.
mW
Series
MKF 125V
Series
MELF 125V
A ~
A ~
max.
mV
Order No.
Suffix
mA / A / V~ ac / dc
A2s
mA / A / V~ ac / dc
mW
A2s
MELF 125V
810
295
225
235
225
190
210
175
160
155
145
165
155
125
105
74
85
0.0036
0.0094
0.019
0.07
0.18
0.3
0.38
1.1
1.4
2
2.6
4
6.2
94
80
90
750
320
240
250
220
180
210
170
165
160
160
180
170
180
on printed boards
300A/125VAC
cos w=1
7010.9760.XX* 125 mA/125V
7010.9901.XX 125 mA/125V
7010.9902.XX 250 mA/125V
7010.9903.XX 375 mA/125V
7010.9904.XX 500 mA/125V
7010.9905.XX 750 mA/125V
0.0024
0.0094
0.021
0.038
0.085
0.15
0.45
0.95
1.4
2.2
2.8
4
6.8
100 pieces packaged
loose: .XX= .63
500 pieces packaged
loose: .XX= .55
1,500 pieces
7010.9770.XX
7010.9780.XX
7010.9790.XX
7010.9800.XX
7010.9810.XX
7010.9820.XX
7010.9830.XX
7010.9840.XX
7010.9850.XX
7010.9860.XX
7010.9870.XX
7010.9880.XX
7010.9890.XX**
250 mA/125V
375 mA/125V
500 mA/125V
750 mA/125V
300A/ 125VDC,
L/R = 1 ms
120
170
190
315
350
400
465
510
660
775
875
125
165
180
315
340
413
480
560
720
850
1260
300A/
125V
taped &reeled:
.XX= .57
inserted into
fuseholder
1
A/125V
7010.9906.XX
7010.9907.XX 1.5 A/125V
7010.9908.XX A/125V
7010.9909.XX 2.5 A/125V
7010.9910.XX A/125V
7010.9911.XX 3.5 A/125V
1
A/125V
AC/DC
ln 125mA-4A:
300A/ 125VAC
cos w =1
1.5 A/125V
A/125V
p.f. = 1
300A/
125VDC
L/R = 1 ms
MKF 125V
packaged loose:
.XX= .03
500 pieces packaged
loose: .XX= .55
1,500 pieces
taped &reeled:
.XX= .57
2
2
300A/125VDC,
L/R = 1 ms
2.5 A/125V
A/125V
3
3
ln 5A-7A:
3.5 A/125V
300A/125VAC
cos = 1
4
5
7
A/125V
A/125V
A/125V
7010.9912.XX
7010.9913.XX
7010.9914.XX
4
5
7
A/125V
A/125V
A/125V
50A/125VDC,
L/R = 1 ms
13
10
* 125mA fuse: clearing times should be determined in the end use application, according to UL Conditions of Acceptability
**7A fuse: when used in conjunction with Melf holder, UL acceptability is determined in the end use application
Schurter, Inc. • Phone 707-778-6311 • Fax 707-778-6401 • E-mail info@schurterinc.com • Website http://www.schurterinc.com
135
SCHURTER [ SCHURTER INC. ]
