With the ESO 10.3x38, Schurter introduces a multi-functional fuse cover for use on printed circuit boards. The ESO 10.3x38 can be used simultaneously as an inserter, extractor and cover for fuses. Designed for use with Schurter’s CSO fuse clips, and the ASO 10.3x38 fuse, the combination provides touch-safe circuit protection up to 1500 VDC.

The demand for compact components for use on circuit boards is constantly growing, including in solar applications. Schurter meets these requirements with its patented ESO 10.3x38. With the ESO 10.3x38, fuses with the 10.3x38 mm format can be simply and securely attached to clips. Upon inserting the ESO 10.3x38 with captive fuse into the fuse clips, the installation provides a touch-safe cover according to IP20 specifications. If the fuse is triggered, then the ESO 10.3x38 can also be used as a fuse removal aid. Additional tools are not required. If the ESO 10.3x38 is used together with Schurter’s CSO fuse clips, and the Schurter’s ASO 10.3x38 fuse, then these form a fully compatible, safe and cost-effective combination.

In addition to numerous applications in the energy and industrial sectors, the ESO 10.3x38 is particularly suitable for protecting solar applications with rated currents of up to 32 A or rated voltages of up to 1500 VAC/VDC. Specific applications include solar inverters, string fuse boxes and battery charge controllers based on printed circuit boards. Standard terminal markings can also be optionally attached for simple identification of the fuse. When combined with the CSO fuse clip from Schurter, the ESO 10.3x38 has cURus certification.

Features and benefits:
- Compatibility with Schurter’s CSO clip and ASO 10.3x38 fuse
- All-in-one solution: insert, extract and cover fuses on PCBs
- High electrical ratings of up to 32 A and 1500 VAC/DC
- Patented, compact and cost-effective design
- Touch-proof cover according to IP20
- No additional tools required

Applications:
- Energy and industrial applications
- PV applications
- Solar inverters
- String fuse boxes
- Battery charge controllers
- DC applications

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With the SHF 6.3x32, SCHURTER is expanding its range of high-voltage equipment fuses. The high breaking capacity of 1500 A at a rated voltage of 500 VAC opens up many interesting fields of application. The SHF 6.3x32 is available as cartridge or pigtail version.

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Schurter's T9 fuseholder style circuit breaker series is now expanded to include model T9-818 for PCB mounting. The new model complements the existing T9 series assortment for panel mounting, providing a complete range of mounting styles equivalent to closed fuseholders

The T9 series circuit breaker with the Model T9-818 for PCB mounting fills a gap in the market. The T9 series feature dimensions comparable to those of traditional fuseholders, and is likewise similarly designed for direct placement on circuit boards. SCHURTER’s existing T9 series features quick-connect
terminal types for front and rear snap in panel mounting, as well as thread neck mounting.

As with all PCB mounted components, assembly costs are considerably lower because fewer materials are used and wires are eliminated to fully automate assembly. In addition, the T9-818 is more compact than quick-connect terminal types and thus requires less space. Furthermore, its slim design means the
reset button protrudes only minimally from the front panel. Two mounting pins provide additional mechanical support on the circuit board and protect the solder connections from additional pressure when the reset button is activated.

The shape of the T9 circuit breaker is very similar to that of a fuseholder and thus offers an excellent alternative to 5x20 fuses and their respective fuseholders, where current surges can lead to premature tripping and aging over time. In contrast, circuit breakers prevent unnecessary down time by eliminating the need for changing fuses, as well as the associated risk of inadvertently inserting a fuse with the incorrect current rating, which may lead to equipment damage.

A further advantage of circuit breakers is the reset button, which springs out to indicate when the device trips. Reset is achieved by a simple push
of the button. Typical application areas for circuit breakers include use in power supplies, UPS systems, PDUs, electric tools, industrial applications, medical diagnostic equipment, analysis systems, lighting fixtures, HVAC products as well as equipment for sports and leisure activities. The T9 product line conforms to these standards: UL 1077, CSA C22.2 235 and IEC 60934.

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Schurter is expanding the successful UMT-H series of SMD fuses with 13 additional rated currents. The expanded series – which covers rated currents between 160 mA and 10 A – will now protect an even broader range of applications. With a rated breaking capacity of 1500 A, this compact SMD fuse is capable of protecting against short circuits, while providing reliable overcurrent protection.

Schurter now offers the UMT-H in a total of 19 rated currents between 160 mA and 10 A at voltages up to 277 VAC and 250 VDC. The compact SMD fuse stands out with its high breaking capacity of 1500 A at rated voltage. This key feature, among others, makes the square UMT-H a space saving alternative to classic cylindrically shaped cartridge fuses (e.g. 5x20 mm).

Besides a wide range of applications in power circuits and sensors, the UMT-H is particularly well suited for the primary protection of power supply units rated up to 277 VAC. It is also suitable for use in the protection of single phase industrial appliances. The high breaking capacity of 1500 A, the spacing between the end caps of >10 mm and the ability to be potted also make these devices useful in applications according to IEC 60079-11 that involve explosion protection. Examples include first responder equipment, industrial controls exposed to oil and gas environments, and lighting ballasts.

Features and benefits:
- High rated voltages up to 277 VAC / 250 VDC
- High breaking capacity (H) of 1500 A at rated voltage
- Initially six rated currents from 160 mA to 2 A (others will follow)
- Time-lag (T) characteristics according to UL 248-14
- Compact, square design
- No rolling away during PCB assembly and soldering
- Safe interruption at line voltage
- Halogen-free and RoHS-compliant

Applications:
- Primary protection on SMD PCBs
- Industrial electronics
- Sensors
- Power supplies
- Explosion protection (IEC 60079-11)
- Lighting

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Schurter offers a broad range of high-quality chip fuses, which were developed specially for low-loss and precise overcurrent protection in secondary circuitry. Six different types, available in chip dimensions from 0402 to 1206, offer compact and effective protection in the event of a fault.

The Schurter chip fuses are available in a number of different current ratings from 50 mA to 25 A at a rated voltage of up to 125 VAC/VDC. Depending on the version and voltage ratings, a breaking capacity of up to 600 A is reached. Thanks to these impressively high values and variety, these chip fuses can be used in a wide range of applications. Chip fuses are especially suitable for mobile and battery-operated devices in sensor technology and industrial electronics.

SCHURTER chip fuses set themselves apart from comparable products through their extremely precise opening times and minimal power dissipation. In addition, their solid construction makes them especially resistant to vibrations and pulse loads. Furthermore, the SMD contacts, some of which are gold-plated, have a positive influence on the wettability, storage life and electrical quality of the chip fuses.

All Schurter chip fuses come with cURus certification. The USI 1206 is additionally VDEapproved, the only chip fuse with this type of certification available in the market. As halogen-free and RoHS-conform fuses, Schurter chip fuses, moreover be used for lead-free soldering
processes.

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When it comes to household appliances used in unattended operation, the provisions of standard IEC 60335-1 have in the past few years placed higher requirements regarding glow-wire ignition temperature (GWIT). These more stringent requirements thus also apply to installed components such as power sockets, fuse holders and connectors. For this reason, all components carrying current must meet the requirements of glow-wire tests as specified in IEC 60695-2-12 and -13.

As a leading producer of fuse holders and power sockets, Schurter manufacturers a large number of products made of plastic materials with high glow-wire ratings. These are above all shock-safe fuse holders in the successful FPG series, which are available in a wide range of shapes and sizes as well as fuse blocks for assembly on circuit boards. Power connectors rated for 10 A and 16 A, including with a wide range of assembly types and various terminals, also meet these stricter requirements.

Schurter thus fulfills and exceeds the strict guidelines concerning fire prevention for electrical devices that are operated in households unattended. Which appliances are considered to fall under the «unattended» category and thus need components of this glow-wire category is defined in standard IEC 60335-2. Examples of such appliance types are dishwashers, coffee machines, washing machines and kitchen stoves.

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Schurter is expanding its successful UMF 250 SMD fuse series with nine additional rated currents. With this extension, the series is now complete with rated currents ranging from 500 mA to 10 A. The compact, quick-acting SMD fuse thus provides overcurrent and short circuit protection for an even wider range of applications.

Schurter now offers the UMF 250 in a total of 14 rated currents between 500 mA and 10 A. The SMD fuse is well suited for voltages up to 250 VAC and 125 VDC. It features a high breaking capacity of up to 200 A at rated voltage. These features and more make the square-shaped UMF 250 a compact alternative to traditional 5x20 mm cartridge fuses.

The UMF 250 is suited for primary and secondary protection on SMD circuit boards. Applications of the device include, for example, power supplies, medical and lighting equipment as well as electronic devices used in the home and in industry. As a halogen-free fuse that conforms to RoHS, the UMF 250 is compatible with lead-free soldering processes. In addition, it has VDE and cURus approvals. By meeting the internationally recognized IEC 60127-4 standard, the UMF 250 serves as a universal modular fuse (UMF) link for use around the world.

Features and benefits:
- 14 rated currents from 500 mA to 10 A
- High rated voltages of 250 VAC / 125 VDC
- High breaking capacity of up to 200 A at rated voltage
- Quick-acting (F) characteristics according to IEC 60127-4 (Universal Modular Fuse)
- Compact, square design (10.1 x 3 x 3 mm)
- Halogen-free and RoHS-compliant

Applications:
- Primary Protection on SMD PCB
- Secondary Protection on SMD PCBs
- Industrial electronic
- Medical equipment
- Power Supplies
- Lighting

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With the new UMT-H, SCHURTER is expanding its already extensive offering of SMD fuses. The letter "H" in the product name stands for the high breaking capacity of 1500 A. This
high level makes the time-lag fuse ideal for applications with large short-circuit currents. Initially having six rated currents from 160 mA to 2 A, and having rated voltages up to 277 VAC and 250 VDC, this is truly an all-purpose component. These features and more make the square-shaped UMT-H a compact alternative to cylindrical fuses.

If all electrical specifications are equal, the UMT-H offers several advantages compared to cylindrical fuses, especially during assembly. For example, the square design prevents devices from rolling away during placement or during reflow soldering. Due to the position of the device markings, key information about the fuse can be seen immediately. In addition, the UMT-H from SCHURTER, with dimensions of 5.3 x 16 mm, is somewhat more compact than traditional cylindrical fuses in the 5 x 20 mm format.

Besides a wide range of applications in power circuits and sensors, the UMT-H is particularly well suited for the primary protection of power supply units. A further application area is in industrial electronics. The high breaking capacity of 1500 A and the spacing between the end caps of >10 mm also make these devices useful in applications that involve explosion protection (IEC 60079-11). Further, with a rated voltage up to 277 VAC along with cURus approval, these fuses are ideally suited for lighting applications in the US market.

Features and benefits:
- High rated voltages up to 277 VAC / 250 VDC
- High breaking capacity (H) of 1500 A at rated voltage
- Initially six rated currents from 160 mA to 2 A (others will follow)
- Time-lag (T) characteristics according to UL 248-14
- Compact, square design
- No rolling away during PCB assembly and soldering
- Safe interruption at line voltage
- Halogen-free and RoHS-compliant

Applications:
- Primary protection on SMD PCBs
- Industrial electronics
- Sensors
- Power supplies
- Explosion protection (IEC 60079-11)
- Lighting

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Schurter is expanding its extensive range of surface mount chip fuses with a unique model: the new 50 mA fuse in the USFF family clearly sets itself apart from standard commercial products through a lower voltage loss and an exact opening time. The USFF 1206 thus offers the safe solution for the optimal operation of sensitive electronic systems where such performance is critical.

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With the new 50 mA version of the USFF 1206, Schurter is offering a true market innovation. The surface mount chip fuse sets itself apart from standard commercial products through a lower voltage loss and an exact opening time. The wire-bonding technology used in the USF 1206 allows stable, reliable operation at ambient temperatures from -55°C to 90°C, making it ideal for protection of applications, such as in sensors, ICs, and batteries. The new fuse is particularly well suited for the protection of smart metering systems. The USFF 1206 has cURus certification, is halogen-free and conforms to RoHS. With these characteristics, the USFF 1206 fuse is also an excellent choice for lead-free systems.

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Technical features and benefits:
- Low voltage drop of 75 mV (250 mA) to 430 mV (50 mA)
- Very fast, precise opening
- Rated currents from 50 to 250 mA
- Voltages up to 125 VAC / 63 VDC
- Breaking capacity of 100 A @ rated voltage
- Super-Quick-Acting (FF) characteristics according to UL 248-14

Applications:
- Smart meters
- Battery protection
- Sensors
- Mobile devices
- Semiconductor protection

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Schurter, the leading provider of fuse holders, is expanding its range to include a fuse clip designed for heavy duty performance. The CSO clip, designed for 10.3 mm diameter fuses, is suitable for applications with voltages up to 1500 VAC/VDC and currents to 32A. These unique characteristics are Schurter’s response to the present need for increasing photovoltaic system voltages.

The CSO clip is available in solder and screw/rivet versions. The solder version allows direct mounting on a printed circuit board by means of through-hole technology. The screw/rivet version provides additional flexibility for basic designs. Due to the special copper alloy both versions are characterized by a strong clamping force resulting in minimal power loss.

The CSO fuse clip is ideal for a wide range of PV and other DC applications including inverters, battery charge controllers, and string fuse holders. Furthermore, the CSO is well suited for applications in the emobility and industrial electronics sectors. The fuse clip conforms to RoHS specifications and is currently the only photovoltaic clip on the market with cURus approval.

Schurter also offers the ASO 10.3x38 PV fuse to fit the new CSO fuse clip. The fuse clip also supports other fuses with a 10.3 mm diameter of any length. This includes, for instance, 10.3x85mm fuses for higher voltages.

Technical features and benefits:
- High rated voltage of 1500 VAC/VDC
- High rated current of 32 A
- Minimal power dissipation due to strong clamping force (special copper alloy)
- Solder, screw or rivet mounting
- cURus approval

Applications:
- Photovoltaic inverters
- String fuse holder
- Battery charge controllers
- DC applications
- Industrial electronics
- Drives

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