Data Sheet

Type UMTS 250V UMF
2
/
4
Bel Fuse Inc.
206 Van Vorst Street
Jersey City, NJ 07302 USA
+1
201.432.0463
[e-mail]
belfuse.com/circuit
-
protection
© 201
8
Bel
Fuse, Inc.
Rev.
UMTS
Nov
2018
Environmental Specifications
Electrical
S
pecifications
Catalog
Number
Ampere
Rating
Typical
Cold
Resistance
(ohms)
Volt
-
drop
@100% In
(Volt) max.
Voltage
and
Interrupting
Ratings
Melting I²T
@10 In
(A² Sec)
Maximum
Power
Dissipation
(W)
Agency
Approvals
UMTS 250
250mA
0.78
0.314
See Table of Safety
Approvals on Page 1
for Voltage and
associated
Interrupting Ratings
0.26
0.12
Y
UMTS 315
315mA
0.56
0.279
0.42
0.14
Y
UMTS 400
400mA
0.35
0.248
0.67
0.16
Y
UMTS 500
500mA
0.245
0.221
1.1
0.19
Y
UMTS 630
630mA
0.180
0.197
1.7
0.21
Y
UMTS 800
800mA
0.132
0.175
2.8
0.25
Y
UMTS 1
1A
0.085
0.156
4.4
0.28
Y
UMTS 1.25
1.25A
0.065
0.155
7.0
0.33
Y
UMTS 1.6
1.6A
0.061
0.150
5.6
0.37
Y
Y
UMTS 2
2A
0.043
0.145
9.2
0.43
Y
UMTS 2.5
2.5A
0.035
0.140
15
0.50
Y
UMTS 3.15
3.15A
0.025
0.135
25
0.57
Y
UMTS 4
4A
0.020
0.130
42
0.66
Y
UMTS 5
5A
0.014
0.120
69
0.75
Y
UMTS 6.3
6.3A
0.011
0.115
113
0.87
Y
Consult manufacturer for other ratings
Shock Resistance
MIL
-
STD
-
202G,
Method 213B, Test Condition 1
(100 G's peak for 6 milliseconds; Sawtooth waveform)
Vibration Resistance
MIL
-
STD
-
202G, Method 201A
(10
-
55 Hz,
0.06 inch, total excursion).
Salt Spray Resistance
MIL
-
STD
-
202G, Method 101E, Test Condition B
(48 hrs).
Insulation Resistance
MIL
-
STD
-
202G,
Method 302, Test Condition B
(After Opening) 0.1Mohms minimum.
Solderability
MIL
-
STD
-
202G, Method 208H
Resistance to solder Heat
MIL
-
STD
-
202G, Method 210F, Test Condition J.
(235
℃
,30 sec)
Thermal Shock
MIL
-
STD
-
202G, Met
hod 107G, Test Condition B
(
-
65
℃
to +125
℃
).
Operating Temperature
-
55
℃
to +125
℃
Moisture Sensitivity Level
1 ( Peak Temperature at 240
℃
for 30 seconds max )
Spe
cifications subject to change without notice