Data Sheet

Type
SMM
Square Ceramic Surface Mount
Medium Blow
Fuse
belfuse.com/
circuit
-
protection
SMM
Series
–
3912
Size
RoHS 2 Compliant
Features
-
Medium Blow
-
Surface mount high current fuse
-
Current rating from 10A to 30A
-
Wide operating temperature
range from
-
55
℃
to 125
℃
-
Tape & Reel for auto
-
insert SMD process
-
Compatible with reflow process
-
Halogen Free
-
Leadfree
Applications
-
Voltage regulator module
-
PC server
-
Office electronic equipment
-
Industrial
equipment
-
Medical equipment
-
POE, POE+
-
Power supply
-
DC
-
DC Converter
Electrical Characteristics
(
UL/CSA/STD.248
-
14
)
Safety Agency Approvals
Testing
Current
Blow Time
Minimum
Maximum
1
00
%
4
Hrs.
N/A
200%
N/A
60 Sec
Physical Specifications
Materials
Body : Ceramic
Terminations : Matte Tin plated Brass Caps
Marking
On Fuse :
"bel", "Current Rating" in black
color.
On Label :
"bel", "
SMM
", "Current Rating", "Voltage Rating", "Interrupting Rating",
"
Appropriate Safety Logos" and "
", "
"(China RoHS
compliant).
Safety
Agency
Safety Agency
Certificate
Voltage Rating
(V)
Ampere Range / Volt
@ I.R. ability*
E
20624
10A
-
30A/250
VAC
72 VDC
10A
-
30A
/
250V @ 100A AC
125V @ 150A AC
72V @ 130A DC
65V @ 300A DC
*I.R.=
Interrupting Rating = Short Circuit Rating(Amps)
LEAD FREE =
HALOGEN FREE =
Specifications subject to change without notice
Not recommended for new applications. Please see 0678L