Thermofuses. USN1206 Datasheet
Thermal sensitive Fuse, SMD 1206, 32 VDC
Temperature sensitive SMD fuse
32 VDC · PCB, SMT
- Temperature sensitive SMD fuse
- Customer-specific pre-arcing time characteristic as a function of ambi-
- Ensures the complete time-current curve from 0 A to BC
- Impermeable to potting compound used to achieve hermetic seal for
use in intrinsically safe applications according to ATEx and IECEx re-
Unique Selling Proposition
- Combines a Standard Fuse characteristic with an additional ambient
- Ceramic glase fiber inforced material
- Excellent inrush current withstand capability
- High melting I²t-values
Admissible Ambient Air Temp.
-40 °C to 125 °C
Fiber-reinforced plastic, UL 94V-0
0 °C to 40 °C, max. 70% r.h.
Approvals and Compliances
- Secondary Protection DC and AC
- Automotive electronics
- Intrinsically safe electronics
- Battery protection
- In all electronics with temperature-critical components (eg Mosfet's)
pdf data sheet, html datasheet, General Product Information, Packaging
details, Distributor-Stock-Check, Detailed request for product, Landing
Resistance to Soldering Heat
Moisture Sensitivity Level
Moisture Resistance Test
Resistance to Solvents
245 °C / 3 sec acc. to IEC 60068-2-58,
260 +0/-5 °C / 30 sec acc. to IPC/JE-
DEC J-STD-020D, Level 1
MSL 1, J-STD-020
acc. to EIA/IS-722, Test 4.7
>100 MΩ (between leeds and body)
(acc. to EIA/IS-722, Test 4.12)
MIL-STD-202, Method 106E
(50 cycles in a temp./mister chamber)
MIL-STD-202, Method 215
MIL-STD-202, Method 211A
(Deflection of board 1 mm for 1 minute)
Approvals and Compliances
Detailed information on product approvals, code requirements, usage instructions and detailed test conditions can be looked up in Details about
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 agree-
ments by SCHURTER.
Application standards where the product can be used
Designed for applications acc.
IEC 60950-1 includes the basic requirements for the safety of information
The product complies with following Guide Lines
Directive RoHS 2011/65/EU, Amendment (EU) 2015/836
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.
AEC-Q200 is a test standard for passive components used in automotive
applications. SCHURTER tests components according to the customer's
agreement and is certified according to IATF 16949.
Reflow soldering pads
Rated Current In 18 A @ 240°C
80 A @ 23°C
1.2 1.6 1.2
2 Circuit Protection
Current in Amperes
-A time-current-curve for a stand fuse would be equal even it ambient
temperature is high
-The time-current-curve for USN is shifting to the left while ambient
1) 170 A @ 16 VDC, 80 A @ 32 VDC
Voltage Drop 1.0 In typ.
Cold Resistance typ.
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Packaging Unit 100 pcs in Plastic Bag
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.