Non resettable fuses
www.schurter.com/PG01_2
Surface Mount Fuse, 3.2 x 1.6 mm, Super-Quick-Acting FF, 32 VAC, 63 VDC
USF 1206
UL 248-14 · 125 VAC · 125 VDC · Super-Quick-Acting FF
Description
Standards
Approvals
- UL characteristic
- Low melting I²t-values, fast interruption
- UL 248-14
- CSA C22.2 no. 248.14
- UL File Number: E41599
Applications
- Secondary Protection DC and AC
- Circuits without inrush
- Semiconductor protection
References
Weblinks
Packaging Details
pdf-datasheet, html-datasheet, General Product Information, Approvals,
CE declaration of conformity, RoHS, CHINA-RoHS, REACH, e-Shop,
SCHURTER-Stock-Check, Distributor-Stock-Check, Detailed request for
product
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
32 - 125 VAC, 63 - 125 VDC
0.375 - 4 A
50 A
Super-Quick-Acting FF
PCB,SMT
-55 °C to 90 °C
55/090/21 acc. to IEC 60068-1
Epoxyd Glass, UL 94V-0
Copper, Ni/Au-plated
0.006 g
0 °C to 60 °C, max. 70% r.h.
Letter (see variants)
Soldering Methods
Solderability
Resistance to Soldering Heat
Moisture Resistance Test
Terminal Strength
Case Resistance
Resistance to Solvents
Flammability
Reflow
245 °C / 3 sec acc. to IEC 60068-2-58,
Test Td
260 +0/-5 °C / 30 sec acc. to IPC/JE-
DEC J-STD-020D, Level 1
MIL-STD-202, Method 106E
(50 cycles in a temp./mister chamber)
MIL-STD-202, Method 211A
(Deflection of board 1 mm for 1 minute)
acc. to EIA/IS-722, Test 4.7
>100 MΩ (between leeds and body)
MIL-STD-202, Method 215A
min. UL 94V-1
(acc. to EIA/IS-722, Test 4.12)
Dimension
3.2 mm
Reflow soldering pads
3.2
0.6
1.6
2.2
1.5
1.1
Pre-Arcing Time
Rated Current In
0.375 A - 4 A
1.0 x In min.
4h
2.0 x In max.
60 s
Fuses
2
1
USF 1206
Time-Current-Curves
10000
Non resettable fuses
www.schurter.com/PG01_2
1000
0.375 A
0.5 A
0.75 A
1.0 A
1.25 A
1.5 A
2.0 A
2.5 A
3.0 A
100
10
Time in Seconds
1
0.1
4.0 A
0.01
0.001
0.0001
0.1
1
10
100
Current in Amperes
All Variants
Rated Cur-
rent [A]
Rated Vol-
tage [VAC]
Rated Vol-
tage [VDC]
Marking
Breaking
Capacity
Voltage Drop
1.0 In typ.
[mV]
125
100
100
100
100
100
85
85
85
80
Cold Resi-
stance typ.
[mΩ]
315
190
120
84
48
41.5
33
20.5
17
14
Melting I²t 8.0
In typ. [A²s]
Order Number
0.375
0.5
0.75
1
1.25
1.5
2
2.5
3
4
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125
125
32
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32
32
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125
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Availability for all products can be searched real-time:http://www.schurter.com/en/Stock-Check/Stock-Check-SCHURTER
1) UL: 50 A @ 125 VAC/DC
2) UL: 50 A @ 32 VAC / 50 A @ 63 VDC
1)+2) Additional internal testing: 150 A @ 24 VAC/DC, 400 A @ 12 VDC, 600 A @ 9 VDC
Packaging Unit
.xx = .11
.xx = .22
.xx = .24
.xx = .26
Blister Tape (100 pcs.)
Blister Tape 18 cm Reel (1000 pcs.)
Blister Tape 25.4 cm Reel (5000 pcs.)
Blister Tape 33 cm Reel (15000 pcs.)
2
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.
22.07.2014
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