Series: USF 0402

Surface Mount Fuse, 1.05 x 0.55 mm, Super-Quick-Acting FF, 32 VDC

14 Variants

Approvals and Compliances

CAD

Landing Page Chip Fuses

Description

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

Unique Selling Proposition

Space constrained applications

Applications

Secondary Protection
Circuits without inrush
Semiconductor protection
Digital Consumer Electronics

Detailed request for product

Details USF 0402

Technical Data

Approvals and Compliances

CAD-Drawings

Dimension

Electrical Data

Rated Voltage

32 VDC

Rated current

0.25 - 5 A

Breaking Capacity

35 A

Characteristic

Super-Quick-Acting FF

Mounting

PCB,SMT

Admissible Ambient Temp.

-55 °C to 90 °C

Climatic Category

55/125/21 acc. to IEC 60068-1

Material: Housing

Thermoplastic

Material: Terminals

Gold-Plated Copper Alloy

Unit Weight

0.004 g

Storage Conditions

0 °C to 60 °C, max. 70% r.h.

Product Marking

see table of variants

Soldering Methods

Reflow
Soldering Profile

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/JEDEC J-STD-020D, Level 1

Moisture Sensitivity Level

MSL 1, J-STD-020

Case Resistance

acc. to EIA/IS-722, Test 4.7
>100 MΩ (between leeds and body)

Flammability

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

Moisture Sensitivity Level

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

Resistance to Solvents

MIL-STD-202, Method 215

Terminal Strength

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

Detailed information on product approvals, code requirements, usage instructions and detailed test conditions can be looked up in Details about Approvals
SCHURTER products are designed for use in industrial environments. They have approvals from independent testing bodies according to national and international standards. Products with specific characteristics and requirements such as required in the automotive sector according to IATF 16949, medical technology according to ISO 13485 or in the aerospace industry can be offered exclusively with customer-specific, individual agreements by SCHURTER.

Approvals

The approval mark is used by the testing authorities to certify compliance with the safety requirements placed on electronic products.

Approval Reference Type: USF 0402

Approval Logo	Certificates	Certification Body	Description
	UL Approvals	UL	UR File Number:
	CSA Approvals	CSA	CSA Certification Record: 248899

Product standards

Product standards that are referenced

Organization	Design	Standard	Description
	Designed according to	UL 248-14	Low voltage fuses - Part 14: Supplemental fuses
	Designed according to	CSA22.2 No. 248.14	Low-Voltage Fuses - Part 14: Supplemental Fuses

Application standards

Application standards where the product can be used

Organization	Design	Standard	Description
	Suitable for applications acc.	IEC/UL 62368-1	Audio/video, information and communication technology equipment - Part 1: Safety requirements

Compliances

The product complies with following Guide Lines

Details	Initiator	Description
RoHS	SCHURTER AG	Directive RoHS 2011/65/EU, Amendment (EU) 2015/863
Halogen Free	SCHURTER AG	SCHURTER strives to offer our customers halogen free products.
REACH	SCHURTER AG	On 1 June 2007, Regulation (EC) No 1907/2006 on the Registration, Evaluation, Authorization and Restriction of Chemicals 1 (abbreviated as "REACH") entered into force.

Dimension [mm]



	Soldering pads

Derating Curves


Percentage of Rating [%]
	Ambient Temperature [°C]

Pre-Arcing Time

Rated Current In	1.0 x In min	2.0 x In max	3.0 x In max
0.25 A	4 h	-	5 s
0.375 A - 5 A	4 h	5 s	0.2 s

Time-Current-Curves


Time in Seconds
	Current in Amperes

Short Table of Variants USF 0402 Open complete table USF 0402

Rated Current [A]	Rated Voltage [VDC]	Order Number	...

0.25	32	3414.0111.26	...
0.375	32	3414.0112.26	...
0.5	32	3414.0113.26	...
0.75	32	3414.0114.26	...
1	32	3414.0115.26	...
1.25	32	3414.0116.26	...
1.5	32	3414.0117.26	...
1.75	32	3414.0118.26	...
2	32	3414.0119.26	...
2.5	32	3414.0120.26	...
3	32	3414.0121.26	...
3.5	32	3414.0122.26	...
4	32	3414.0123.26	...
5	32	3414.0124.26	...
1) 35 A @ 32 VDC

Packaging Unit
acc. IEC 60286-3 Type 1b

.xx = .26

10000 pcs. in tape [W: 8mm and P1: 2mm] on reel [A: 18cm]

Table of Variants USF 0402

Rated Current [A]	Rated Voltage [VDC]	Breaking Capacity	Power Dissipation 1.0 In typ. [mW]	Voltage Drop 1.0 In typ. [mV]	Cold Resistance typ. [mΩ]	Melting I²t at 1 ms typ. [A²s]			Order Number	PU Packaging unit The packaging unit is the amount of parts in a standard package. Please contact SCHURTER for further assistance: Contact Form

0.25	32	1)	23	92	360	0.0025	•	•	3414.0111.26	10000
0.375	32	1)	32	85	193	0.0035	•	•	3414.0112.26	10000
0.5	32	1)	47	93	160	0.0053	•	•	3414.0113.26	10000
0.75	32	1)	76	102	105	0.012	•	•	3414.0114.26	10000
1	32	1)	87	88	73	0.02	•	•	3414.0115.26	10000
1.25	32	1)	120	96	60	0.035	•	•	3414.0116.26	10000
1.5	32	1)	130	87	47	0.056	•	•	3414.0117.26	10000
1.75	32	1)	142	81	39	0.075	•	•	3414.0118.26	10000
2	32	1)	141	71	30	0.1	•	•	3414.0119.26	10000
2.5	32	1)	138	55	20	0.156	•	•	3414.0120.26	10000
3	32	1)	187	61	17	0.2032	•	•	3414.0121.26	10000
3.5	32	1)	202	58	15	0.3017	•	•	3414.0122.26	10000
4	32	1)	228	57	10.5	0.3084	•	•	3414.0123.26	10000
5	32	1)	262	52	8.5	0.531	•	•	3414.0124.26	10000
1) 35 A @ 32 VDC