Littelfuse Industrial Automation Spare Parts

The PSR Flush End Series, specifically the PSR030FS0063, is engineered for the protection of power semiconductor devices such as diodes, triacs, IGBTs, SCRs, and MOSFETs. These devices are commonly integrated into power conversion and conditioning systems, which include applications like variable frequency drives, inverters, UPS systems, rectifiers, and soft-starters. This series is particularly vital for equipment that incorporates sensitive power semiconductor devices, as these components cannot tolerate line surges or overcurrent conditions. The fuse provides high-speed protection, essential for safeguarding modern power conversion devices. With an ampere rating of 63 and a very fast-acting opening mechanism, the PSR030FS0063 ensures rapid interruption of current under fault conditions. The interrupting rating of 200kA at 700VAC allows it to operate effectively in various industrial settings, such as pulp and paper manufacturing, heavy-lifting equipment, processing industries, wastewater treatment facilities, and large factories. The specific design of the PSR Flush End Series aligns with the stringent demands of contemporary electrical systems, ensuring reliability and safety in critical applications.

The 1.5KE Series is engineered for safeguarding sensitive electronic components from voltage surges caused by lightning and other transient events. With a Reverse Standoff Voltage (VR) of 273V, it effectively absorbs excessive voltage, ensuring operational integrity.This series exhibits a maximum clamp voltage of 441V, providing a reliable barrier against voltage spikes. Additionally, it has a breakdown voltage range from 304V to 336V, which guarantees prompt activation during transient events.It supports a peak pulse current of 3.5A (10x1000 μs), allowing it to handle brief, high-energy transients without failure. The on-state current is rated at 1mA, and the device operates efficiently up to a maximum temperature of 175°C. Its minimal reverse leakage current of 1 μA at the standoff voltage further enhances its reliability in high-voltage applications. This component is essential for protecting circuits in various electronic devices, ensuring longevity and stable performance.

The TPSMA6L Series of Transient Voltage Suppression (TVS) Diodes is designed to offer secondary protection against voltage transients caused by load dump and other transient events affecting sensitive electronic components. With a low profile DO-221AC package measuring less than 1.1 mm in height, this device is capable of handling a peak pulse power dissipation (PPPM) rating of 600W, equivalent to that of standard SMB devices.The TPSMA6L5.0A variant features a reverse standoff voltage (VR) of 5V and a breakdown voltage range between 6.4V and 7V, ensuring reliable performance under varying conditions. It supports a peak pulse current (Ipp) of 65.3A for 10x1000µs pulses, making it suitable for applications requiring high surge protection.Furthermore, this series maintains an on-state current (IT) requirement of just 10mA, while ensuring low leakage with an Ir @Vso of 800µA. The maximum clamp voltage (Vc) is rated at 9.2V, and the device operates reliably at temperatures up to 150 degrees Celsius, making it ideal for both existing and new circuit layouts where space and performance are critical.

Our radial-leaded products represent the most comprehensive and complete set of PPTC products available in the industry today. RGEF series for hold currents up to 14A. RHEF series for flatter thermal derating and operating temperatures up to 125°C. RUEF series for balance of voltage rating (30V) and hold current (up to 9A). RUSBF series for fast time-to-trip and low-resistance computer applications. RXEF series for low hold currents (down to 50mA) and high voltage rating (up to 72V). RKEF series for balance of voltage rating (60V) and hold current (up to 5A). LVR series for line voltage rated applications now offering RoHS versions of all products.

The SP3003 has ultra low capacitance rail-to rail diodes with an additional zener diode fabricated in a proprietary silicon avalanche technology to protect each I/O pin providing a high level of protection for electronic equipment that may experience destructive electrostatic discharges (ESD). These robust diodes can safely absorb repetitive ESD strikes at the maximum level specified in the IEC 61000-4-2 international standard (Level 4, 8KV contact discharge) without performance degradation. Their very low loading capacitance also makes them ideal for protecting high speed signal pins such as HDMI, DVI, USB2.0, and IEEE 1394.

The miniSMD series is designed to provide surface mount overcurrent protection for applications where space is at a premium and resettable protection is desired. This series offers compact dimensions, making it ideal for environments with limited space.The miniSMDC014F-2 model is part of this series, offering specific overcurrent protection capabilities. It is designed to protect circuits from excessive current flow, ensuring the safety and efficiency of your electrical systems.

The Littelfuse SMBJ series is designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. This series offers a robust solution for safeguarding against sudden surges in power, ensuring the longevity of your electronic devices.Key features include transient voltage protection, lightning surge protection, and voltage transient suppression. These features work together to provide comprehensive protection for your equipment. The SMBJ series is ideal for a wide range of applications, from industrial settings to home environments.

The Littelfuse SMBJ Series is a specialized product designed to safeguard sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. This series of devices is engineered with precision, ensuring that your equipment remains protected against the harmful effects of sudden voltage spikes. The SMBJ40A, in particular, is a testament to this commitment to quality and reliability.

The Littelfuse SMBJ series is a specialized surge protection device designed to safeguard sensitive electronic equipment from voltage transients caused by lightning and other transient voltage events. This series is specifically engineered for applications where the risk of voltage surges is high, such as in industrial environments or data centers. Key Features: Protection against voltage transients induced by lightning and other transient voltage events Specifically designed for sensitive electronic equipment Ideal for high-risk environments like industrial settings or data centers

The SP3010 integrates 4 channels of ultra-low capacitance rail-to-rail diodes and an additional zener diode to provide protection for electronic equipment that may experience destructive electrostatic discharges (ESD). This robust device can safely absorb repetitive ESD strikes at the maximum level specified in the IEC61000-4-2 international standard (Level 4, ±8kV contact discharge) without performance degradation. The extremely low loading capacitance also makes it ideal for protecting high speed signal pins such as HDMI, USB3.0, USB2.0, and IEEE 1394.

The SMBJ series is a specialized line of surge protectors designed to safeguard sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. These devices are engineered with precision, ensuring they provide optimal protection for your valuable assets. Key Features: Specifically designed to protect against voltage transients caused by lightning and other transient voltage events Ensures the safety of sensitive electronic equipment

The 1.5KE Series is specifically developed to shield sensitive electronic devices from voltage transients, such as those induced by lightning strikes. This series features a reverse standoff voltage of 434 V and can handle a peak pulse current of 2.1 A measured over a 10x1000 μs waveform.With a breakdown voltage ranging from a minimum of 485 V to a maximum of 535 V, it ensures reliable operation under transient conditions. The on-state current is rated at 1 mA, while the leakage current at standoff voltage is a mere 1 μA. This device can withstand a maximum temperature of 175 °C and has a maximum clamp voltage of 698 V, making it suitable for a variety of electronic applications requiring transient voltage protection.

The SE-330HV-20-01 serves as a vital monitoring relay for ground-fault and neutral-grounding-resistor applications. It continuously assesses the neutral-to-ground path ensuring that the neutral-grounding resistor (NGR) remains intact, which is essential for maintaining effective current-sensing ground-fault protection. An open NGR could lead to system malfunctions, giving a false impression of operational safety.This model is compatible with both low- and medium-voltage transformers and generators, accommodating various grounding configurations across multiple industries, including manufacturing, chemical processing, and water treatment. For applications demanding compliance with the Australian standard AS/NZS 2081.3:2002, the SE-330AU variant is available. The SE-330HV is particularly suited for high-voltage requirements.Technical specifications include an analog output current range of 4-20 mA, with relay contacts available in multiple forms: one Form A, one Form B, and two Form C. It operates on a supply voltage ranging from 28-52 VAC and 36-72 VDC. Communication is facilitated via USB, and the relay contact operating mode is configurable between fail-safe and non-fail-safe. The dimensions of the unit are 8.4 inches in height, 3.9 inches in width, and 5.8 inches in depth.

The LFT302003CS fuse block is engineered to accommodate a Class T fuse with an ampere rating of 200 A, providing effective protection in various electrical applications. With a voltage capacity of 300 VAC, this model is particularly notable for its space-saving design, which enhances installation efficiency. The bolt-in mounting method simplifies the installation process, making it suitable for tight spaces and simplifying maintenance. This fuse block exemplifies advancements over previous models, focusing on maximizing efficiency and minimizing footprint, making it a valuable addition to electrical systems.

The KLLU800 - KLLU Series are UL Listed Class L fuses characterized by their time-delay functionality, providing effective protection in various applications. Rated at 800 Amperes and capable of withstanding 600 VAC and 300 VDC, these fuses are engineered to meet or exceed stringent UL requirements.With an interrupting rating of 200,000A at 600VAC, the KLLU series offers significant safety and reliability for electrical systems. The Slo-Blo/Time Lag (T)/Time Delay opening feature ensures that the fuses can withstand temporary overload conditions without blowing, making them suitable for demanding operational environments. The package size is designed for bolt-in installation, facilitating ease of use in various applications.

The SP4020 Series TVS Diode Arrays can safely provide up to 30A protection against lightning induced surges and up to 750W of power handling capability. This revolutionary design offers 2x the power handling capability of alternative solutions, and yields a 16% improvement in low loading capacitance (2.5pF TYP) than competitive products. Ideal for protecting telecommunications interfaces and other high-speed data interfaces without sacrificing signal integrity. Features

The 242 Series hazardous area barrier network fuse is a specialized product designed to facilitate the safe operation of electronic equipment in potentially explosive environments. This series offers a range of fuses that are tailored to meet the unique demands of such settings, ensuring greater safety and reliability.The 242 Series fuses are engineered to withstand the rigorous conditions often present in hazardous areas. They are designed to protect electronic equipment from potential ignition sources, thereby minimizing the risk of explosions. The fuses are also designed to be robust and reliable, ensuring that they can perform effectively even under challenging conditions.The 242 Series fuses are a crucial component in any system that operates within potentially explosive environments. They provide a barrier against potential ignition sources, helping to maintain safety and prevent accidents. The fuses are also designed to be easy to use and maintain, with clear instructions and straightforward installation procedures.

The SP4021 Series TVS Diode Arrays can safely provide up to 25A protection against lightning induced surges and up to 600W of power handling capability. This revolutionary design offers 1.5x the power handling capability of alternative solutions, and yields a 16% improvement in low loading capacitance (2.5pF TYP) than competitive products. Ideal for protecting telecommunications interfaces and other high-speed data interfaces without sacrificing signal integrity.

The Littelfuse K2400G - Kxxxzy Series SIDAC is a silicon bilateral voltage-triggered switch designed for high-voltage power supplies, natural gas igniters, high-pressure sodium lamps, and xenon flash ignition. Upon application of a voltage exceeding the SIDAC breakover voltage point, the device switches on through a negative resistance region to a low on-state voltage. Conduction continues until the current is interrupted or drops below the minimum holding current of the device.Featuring glass-passivated junctions, the SIDAC ensures rugged and dependable performance, capable of withstanding harsh environments. The device is RoHS compliant and supports a wide range of triggering voltages from 79V to 330V, making it suitable for various AC circuit-oriented applications.Key Benefits:Reliable operation in harsh environmentsWide range of triggering voltagesRoHS compliantApplications:High-voltage power suppliesNatural gas ignitersHigh-pressure sodium lampsXenon flash ignition

This Silicon Controlled Rectifier PNPN device is designed for high volume consumer applications, such as temperature; light and speed control; process and remote control; and warning systems, where reliability of operation is important.