1

Non resettable fuses

USF 1206

www.schurter.com/PG01_2

Fuses

Surface Mount Fuse, 3.2 x 1.6 mm, Super-Quick-Acting FF, 32 VAC, 63 VDC

UL 248-14 · 125 VAC · 125 VDC · Super-Quick-Acting FF

Description

- UL characteristic
- Low melting I²t-values, fast interruption
- Impermeable to potting compound

Standards

- UL 248-14
- CSA C22.2 no. 248.14

Approvals

- UL File Number: E41599

Applications

- Secondary Protection DC and AC
- Circuits without inrush
- Semiconductor protection

References

Packaging Details

Weblinks

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

32 - 125 VAC, 63 - 125 VDC

Rated current

0.375 - 4 A

Breaking Capacity

50 A

Characteristic

Super-Quick-Acting FF

Mounting

PCB,SMT

Admissible Ambient Air Temp. -55 °C  to  90 °C
Climatic Category

55/090/21 acc. to IEC 60068-1

Material: Housing

Epoxyd Glass, UL 94V-0

Material: Terminals

Copper, Ni/Au-plated

Unit Weight

0.006 g

Storage Conditions

0 °C to 60 °C, max. 70% r.h.

Product Marking

Letter (see variants)

 

Soldering Methods

Reflow

Solderability

245 °C / 3 sec acc. to IEC 60068-2-58, 
Test Td

Resistance to Soldering Heat

260 +0/-5 °C / 30 sec acc. to IPC/JE-
DEC J-STD-020D, Level 1

Moisture Resistance Test

MIL-STD-202, Method 106E 
(50 cycles in a temp./mister chamber)

Terminal Strength

MIL-STD-202, Method 211A 
(Deflection of board 1 mm for 1 minute)

Case Resistance

acc. to EIA/IS-722, Test 4.7 
>100 M

Ω

 (between leeds and body)

Resistance to Solvents

MIL-STD-202, Method 215A

Flammability

min. UL 94V-1 
(acc. to EIA/IS-722, Test 4.12)

Dimension

 3.2 mm

 

1.6

0.6

3.2

2.2

Reflow soldering pads 

1.5

1.1

2

Pre-Arcing Time

Rated Current In

1.0 x In min.

2.0 x In max.

0.375 A - 4 A

4 h

60 s

2

Non resettable fuses

USF 1206

www.schurter.com/PG01_2

Fuses

Time-Current-Curves

Time in Seconds

0.1

0.0001

0.001

0.01

1

10

100

1000

10000

0.1

10

1

100

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
4.0 A

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]

Cold Resi-

stance typ. 

[m

Ω

]

Melting I²t 8.0 

In typ. [A²s]

Order Number

0.375

125

125

E

1)

125

315

0.01

l

3413.0112.xx

0.5

125

125

F

1)

100

190

0.02

l

3413.0113.xx

█

0.75

32

63

G

2)

100

120

0.05

l

3413.0114.xx

█

1

32

63

H

2)

100

85

0.07

l

3413.0115.xx

█

1.25

32

63

J

2)

80

50

0.12

l

3413.0116.xx

1.5

32

63

K

2)

80

45

0.24

l

3413.0117.xx

2

32

63

N

2)

70

30

0.13

l

3413.0119.xx

█

2.5

32

63

O

2)

70

25

0.35

l

3413.0120.xx

█

3

32

63

P

2)

70

20

0.8

l

3413.0121.xx

█

4

32

63

S

2)

60

13

0.3

l

3413.0123.xx

█ 

Most Popular.

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 Blister Tape of 100 pcs. in Plastic Bag
.xx = .22 Blister Tape 18 cm Reel (1000 pcs.)
.xx = .24 Blister Tape 25.4 cm Reel (5000 pcs.)
.xx = .26 Blister Tape 33 cm Reel (15000 pcs.)

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.

04.05.2015