UMT-H
Non resettable fuses
www.schurter.com /PG01_2
Surface Mount Fuse, 5.3 x 16 mm, Time-Lag T, 277 VAC / 250 VDC, Breaking Capacity 1500 A
UL 248-14 · 277 VAC · 250 VDC · Time-Lag T
Description
Applications
Unique Selling Proposition
References
- 24 rated currents from 160 mA to 30 A
- Square design: 5.3 x 16
- Impermeable to potting compound used to achieve hermetic seal for
use in intrinsically safe applications according to ATEx and IECEx requirements.
- High breaking capacity up to 1500 A
- High rated voltages up to 277 VAC / 250 VDC
- Compact design
Standards
- Primary protection on SMD PCBs
- Sensors
- Power supplies
- Explosion protection
- Lighting
Packaging Details
Fuse Kit Fuse Kit UMT-H
Weblinks
pdf datasheet, html-datasheet, General Product Information, Packaging
details, Approvals, CE declaration of conformity, RoHS, CHINA-RoHS,
REACH, Distributor-Stock-Check, Detailed request for product, Video
- IEC 60127-7
- UL 248-14
- CSA C22.2
Approvals
- Approval Reference Type: UMT-H
- VDE Certificate Number: 40039476
- UL File Number: E41599
Technical Data
Rated Voltage
Rated current
Breaking Capacity
Characteristic
Mounting
Admissible Ambient Air Temp.
Climatic Category
Material: Housing
Material: Terminals
Unit Weight
Storage Conditions
Product Marking
250 - 277 VAC, 72 - 250 VDC
0.16 - 30 A
100 - 1500 A
Time-Lag T
PCB,SMT
-55 °C to 125 °C
55/125/21 acc. to IEC 60068-1
Ceramic
Ni/Sn-Plated Copper Alloy
1.42 g
0 °C to 40 °C, max. 70% r.h.
, Rated current, Voltage, Characteristic, Breaking Capacity, Approvals
Soldering Methods
Solderability
Resistance to Soldering Heat
Life Test
Moisture Resistance Test
Terminal Strength
Mechanical Shock
Resistance to Solvents
Reflow
Soldering Profile
245 °C / 3 sec acc. to IEC 60068-2-58
260 °C / 10 sec acc. to IEC 60068-2-58
1000h @ 0.60 x In @ 70°C
(acc. to EIA/IS-722, Test 4.4.1)
MIL-STD-202, Method 106E
(acc. to EIA/IS-722, Test 4.4.3)
(Deflection of board 1 mm for 1 minute)
(acc. to EIA/IS-722, Test 4.5.5)
MIL-STD-202, Method 213B
(Shock 50g, half sine wave, 11 ms)
MIL-STD-202, Method 215A
(EIA-722, 4.11)
Detailed information on product approvals, code requirements, usage instructions and detailed test conditions can be looked up in
General Product Information
Fuses
1
UMT-H
Non resettable fuses
www.schurter.com /PG01_2
Dimension
2.8
> 10
0.4
Ø
2.25
5.6
3.2
.7
R0
10
R0
.35
5.35 ±0.30
15.4 ±0.30
Soldering pads
Derating Curves
160
Percentage of Rating [%]
140
120
100
80
60
40
20
-60
-40
-20
0
20
40
60
80
100 120 140
Ambient Temperature [°C]
Pre-Arcing Time
Rated Current In
0.160 A - 12.5 A
1.0 x In min.
1.25 x In min.
2.0 x In max.
2.5 x In max.
10.0 x In min. 10.0 x In max.
-
60 min
120 s
-
10 ms
16 A
4h
-
120 s
-
10 ms
100 ms
20 A - 30 A
4h
-
-
120 s
5 ms
100 ms
2
Fuses
100 ms
3.75
UMT-H
Non resettable fuses
www.schurter.com /PG01_2
Time-Current-Curves
100000
10000
1000
Time in Seconds
100
10
1
0.1
0.01
0.001
10
1
Multiple of Rated Current In
All Variants
Rated Current [A]
Rated Voltage [VAC]
Rated Voltage [VDC]
0.16
277
250
0.16
277
250
0.2
277
250
Breaking
Capacity
Order Number
Voltage Drop
1.0 In typ.
[mV]
Power Dissipation 1.25 In
typ. [mW]
Melting I²t
10.0 Intyp.
[A²s]
1)
1520
410
0.045
l
l
3403.0266.11
1)
1520
410
0.045
l
l
3403.0266.23
1)
1230
415
0.095
l
l
3403.0267.11
0.2
277
250
1)
1230
415
0.095
l
l
3403.0267.23
0.25
277
250
1)
1000
425
0.17
l
l
3403.0268.11
0.25
277
250
1)
1000
425
0.17
l
l
3403.0268.23
0.315
277
250
1)
805
435
0.265
l
l
3403.0269.11
0.315
277
250
1)
805
435
0.265
l
l
3403.0269.23
0.4
277
250
1)
715
490
0.33
l
l
3403.0270.11
0.4
277
250
1)
715
490
0.33
l
l
3403.0270.23
0.5
277
250
1)
650
590
0.45
l
l
3403.0271.11
0.5
277
250
1)
650
590
0.45
l
l
3403.0271.23
0.63
277
250
1)
540
595
1.1
l
l
3403.0272.11
0.63
277
250
1)
540
595
1.1
l
l
3403.0272.23
0.8
277
250
1)
460
635
2.1
l
l
3403.0273.11
0.8
277
250
1)
460
635
2.1
l
l
3403.0273.23
1
277
250
1)
405
710
3.44
l
l
3403.0274.11
1
277
250
1)
405
710
3.44
l
l
3403.0274.23
1.25
277
250
1)
325
750
3.12
l
l
3403.0275.11
1.25
277
250
1)
325
750
3.12
l
l
3403.0275.23
1.6
277
250
1)
270
785
5.4
l
l
3403.0276.11
1.6
277
250
1)
270
785
5.4
l
l
3403.0276.23
2
277
250
1)
220
795
11.8
l
l
3403.0277.11
2
277
250
1)
220
795
11.8
l
l
3403.0277.23
2.5
277
125
2)
210
980
21
l
l
3403.0278.11
2.5
277
125
2)
210
980
21
l
l
3403.0278.23
3.15
277
125
2)
190
1060
43
l
l
3403.0279.11
3.15
277
125
2)
190
1060
43
l
l
3403.0279.23
Fuses
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3
UMT-H
Non resettable fuses
www.schurter.com /PG01_2
Rated Current [A]
Rated Voltage [VAC]
Rated Voltage [VDC]
4
277
125
Breaking
Capacity
Voltage Drop
1.0 In typ.
[mV]
Power Dissipation 1.25 In
typ. [mW]
Melting I²t
10.0 Intyp.
[A²s]
2)
140
1070
48
l
l
l
3403.0280.23
Order Number
3403.0280.11
4
277
125
2)
140
1070
48
l
5
277
125
2)
115
1080
99
l
l
3403.0281.11
5
277
125
2)
115
1080
99
l
l
3403.0281.23
6.3
277
125
2)
100
1160
165
l
l
3403.0282.11
6.3
277
125
2)
100
1160
165
l
l
3403.0282.23
8
250
125
3)
75
1220
125
l
l
3403.0283.11
8
250
125
3)
75
1220
125
l
l
3403.0283.23
10
250
125
3)
73
1320
198
l
l
3403.0284.11
10
250
125
3)
73
1320
198
l
l
3403.0284.23
12.5
250
125
4)
63
1395
344
l
l
3403.0285.11
12.5
250
125
4)
63
1395
344
l
l
3403.0285.11
16
250
125
5)
62
1050
640
l
l
3403.0286.11
16
250
125
5)
62
1050
640
l
l
3403.0286.23
20
250
72
6)
76
1565
445
l
3403.0287.11
20
250
72
6)
76
1656
445
l
3403.0287.23
25
250
72
6)
64
1650
1170
l
3403.0288.11
25
250
72
6)
64
1650
1170
l
3403.0288.23
30
250
72
6)
63
2020
1650
l
3403.0289.11
30
250
72
6)
63
2020
1650
l
3403.0289.23
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█ Most Popular.
Availability for all products can be searched real-time:http://www.schurter.com/en/Stock-Check/Stock-Check-SCHURTER
1) UL = 1500 A @ 277 VAC, resistive / 1500 A @ 250 VDC
1) IEC = 1500 A @ 250 VAC, resistive / 1500 A @ 250 VDC
2) UL = 1500 A @ 277 VAC, resistive / 1500 A @ 125 VDC
2) IEC = 1500 A @ 250 VAC, resistive / 1500 A @ 125 VDC
3) UL = 1500 A @ 250 VAC, resistive / 1500 A @ 125 VDC
3) IEC = 1500 A @ 250 VAC, resistive / 1500 A @ 125 VDC
4) UL = 1000 A @ 250 VAC, resistive / 1000 A @ 125 VDC
4) IEC = 1000 A @ 250 VAC, resistive / 1000 A @ 125 VDC
5) UL = 500 A @ 250 VAC, resistive / 500 A @ 125 VDC
5) IEC = 500 A @ 250 VAC, resistive / 500 A @ 125 VDC
6) UL = 100 A @ 250 VAC, resistive / 500 A @ 125 VAC, resistive / 500 A @ 72 VDC
.xx = .11 Plastic Bag (100 pcs.)
.xx = .23 Blister Tape 33 cm Reel (1500 pcs.)
08.05.2017
Packaging Unit
4
Fuses
The specifications, descriptions and illustrations indicated in this document are based on current
information. All content is subject to modifications and amendments. Information furnished is believed
to be accurate and reliable. However, users should independently evaluate the suitability and test each
product selected for their own applications.