Littelfuse 0239.200MXEP - SLO-BLO GLASS BODY M-PACK .200A AXIAL. 5x20mm time-Lag glass body cartridge fuse designed to JL specification. Features: Designed to UL/CSA/ANCE 248 Standard. Available in cartridge and axial lead format RoHS compliant and lead-free.
Littelfuse

0239.200MXEP

UPC: 079458909265


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Minimum Qty: 1000

Multiplier: 1000

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Overview

The **Littelfuse 0239.200MXEP SLO-BLO Glass Body Cartridge Fuse** is a precision-engineered time-lag fuse designed to provide reliable overcurrent protection for sensitive electronic circuits and industrial equipment. Manufactured to meet the stringent **UL/CSA/ANCE 248** standards, this **5x20mm axial lead cartridge fuse** delivers consistent performance in applications where transient surges must be tolerated without nuisance tripping. With a **0.200A** current rating, the fuse offers a time-lag response, allowing brief overloads while ensuring long-term circuit safety—a critical feature for protecting components in power supplies, control systems, and automotive electronics. **Key Features & Technical Specifications:** - **Time-Lag Design:** Engineered to handle temporary overloads (e.g., startup surges) while providing fast response to sustained faults, preventing damage to sensitive electronics. - **Glass Body Construction:** The transparent glass body allows visual inspection of the fuse element, enabling quick diagnostics and ensuring the fuse has not blown due to excessive current. - **Axial Lead Format:** Designed for easy installation in printed circuit boards (PCBs), panels, or terminal blocks, ensuring robust electrical connectivity and compatibility with standard fuse holders. - **RoHS & Lead-Free Compliance:** Manufactured without hazardous substances, meeting modern environmental regulations for global markets. - **High Interrupting Capacity:** Provides superior protection against short circuits and overcurrent events, safeguarding downstream components from catastrophic failure. **Industry Applications & Use Cases:** This fuse is widely used in **industrial automation, power distribution, telecommunications, automotive electronics, and consumer appliances** where precise current limiting is essential. Common applications include: - **Power supplies and converters** (e.g., SMPS, UPS systems) - **Motor control circuits** (e.g., pumps, fans, conveyors) - **Control panels and PLCs** (protecting sensitive control logic) - **Automotive electronics** (e.g., infotainment, lighting, ECU protection) - **Telecom and networking equipment** (e.g., routers, switches) **Why Choose Littelfuse for Overcurrent Protection?** Littelfuse is a globally trusted leader in circuit protection, with over a century of expertise in designing fuses for industrial, automotive, and electronic applications. Their **SLO-BLO series** is renowned for balancing **fast-acting response with time-lag tolerance**, making it ideal for circuits with inductive loads or startup transients. The **0239.200MXEP** fuse, in particular, is a preferred choice for engineers who require **UL/CSA/ANCE 248 compliance** and **RoHS-compliant construction** without compromising on reliability. **Installation & Selection Best Practices:** When selecting a fuse, professionals consider factors such as **current rating, voltage rating, response time, and environmental conditions**. The **0.200A rating** makes this fuse suitable for low-power circuits, while the **5x20mm size** ensures compatibility with standard fuse holders. For optimal performance: - **Verify compatibility** with the circuit’s maximum fault current. - **Ensure proper sizing** to avoid nuisance blowing during transient events. - **Use high-quality fuse holders** to maintain reliable electrical contact. - **Inspect visually** the fuse element periodically for signs of degradation. **Environmental & Safety Considerations:** The **lead-free and RoHS-compliant** construction of the **0239.200MXEP** aligns with global sustainability initiatives, reducing hazardous waste while maintaining high performance. Additionally, the **glass body design** provides excellent thermal stability, ensuring consistent operation across a wide temperature range. **Conclusion:** For engineers and technicians seeking a **high-reliability, time-lag fuse** for sensitive electronic circuits, the **Littelfuse 0239.200MXEP** is a proven solution. Its **UL/CSA/ANCE 248 certification, axial lead design, and RoHS compliance** make it a versatile choice for industrial, automotive, and electronic applications. Trust Littelfuse’s legacy of innovation to safeguard your critical systems from overcurrent events.
  • 0.200A time-lag fuse for sensitive electronic circuits
  • 5x20mm glass body axial lead cartridge fuse
  • UL/CSA/ANCE 248 compliant for global standards
  • RoHS & lead-free construction for environmental compliance
  • Superior interrupting capacity for short-circuit protection

Specifications

Application
electronic equipment & appliances
Brand Name
Littelfuse
Connection Type
Axial Lead
Current Rating
0.200 A
Material
Glass
Mounting Type
Cartridge
Series
SLO-BLO
Size
5x20mm
Special Features
Slo-Blo
Standard
UL/CSA/ANCE 248 Standard
Sub Brand
239 Series
Type
5 x 20 mm UL/CSA Slo-Blo
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Fuse Holder Modulostar® Size 10x38 IEC 690VAC 690VDC 3-Pole IP20

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9F61 Size B Clips 1.6in

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9F61 Size B Clips 1.6in
POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

LCC5

POWR-JAW clamps improve the contact between fuse and clip. The unnecessary heat from poor contact due to the loss of spring force in the clips can cause nuisance fuse opening and premature aging of surrounding components. High temperature phenolic resin knob designed for the most severe environments 7 sizes to provide effective coverage. Simple design makes installation easy.

Frequently Asked Questions about Littelfuse

What certifications and standards do Littelfuse products comply with?

Littelfuse products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Customers can verify specific product certifications by consulting individual product datasheets on Littelfuse.com, which provide comprehensive details about standards compliance for each component.

What industries and applications are Littelfuse products used for?

Littelfuse products are critical for electrical protection and safety across multiple industrial sectors, including manufacturing, automation, power distribution, and electrical control systems. Their comprehensive product portfolio serves industries that require robust electrical protection, including motor and pump applications, solar installations, programmable logic controllers (PLCs), electrical switch panels, and critical infrastructure environments. Key product lines protect against overcurrent, voltage transients, ground faults, and temperature-related electrical risks, ensuring equipment safety and operational reliability.

What technical support does Littelfuse offer?

Littelfuse offers comprehensive technical support through multiple channels. Their Technical Hotline (800-TEC-FUSE) provides direct access to engineers who can help identify issues and recommend solutions. Additionally, Littelfuse offers extensive online Technical Resources at Littelfuse.com, including datasheets, product manuals, whitepapers, application guides, and online design tools. Their experienced product and application engineers also provide step-by-step support from design to installation.

What are the main product lines offered by Littelfuse?

Littelfuse offers comprehensive industrial protection and control product lines, including fuses, fuse holders, protection relays, temperature sensors, and electrical safety components. Their key product categories span surge protective devices, custom OEM products, electrical switch panels, medium voltage fuses, ground-fault protection relays, motor and pump protection devices, and temperature sensors. These products are designed to minimize electrical safety hazards, limit equipment damage, improve productivity, and safeguard personnel from electrical faults.

What are the key features of Littelfuse products?

Littelfuse products feature exceptional circuit protection technologies with key characteristics including UL/IEC safety standard compliance, low internal resistance, and advanced protective capabilities across multiple product lines. Their components provide critical protection for industrial systems, offering features like overcurrent protection, voltage transient suppression, and resettable protection devices with ultra-low resistance and compact designs. Key product lines include fuses, metal oxide varistors (MOVs), TVS diodes, PolySwitch devices, and specialized electronic protection components that enhance system reliability and safety.

What environmental ratings do Littelfuse products have?

Littelfuse products feature comprehensive environmental ratings, including NEMA Type 1, 2, 3, 3R, 4/4X, 12, and 13 certifications, as well as IP65 protection. These ratings ensure superior protection in diverse industrial environments, with an operating temperature range of -40°F to +131°F (-40°C to +55°C). Many products also include UV-stabilized materials and neoprene gaskets for enhanced durability in outdoor and challenging conditions.

What accessories are available for Littelfuse products?

Littelfuse offers several key accessories across their product lines, including fuse holders, voltage monitoring modules, and terminal connectors. Specific accessories include the LPSM003ZXID (indicating) and LPSM003Z (non-indicating) POWR-SAFE Dead Front fuse holders for Class CC and Midget-Style fuses, the VRM6048 voltage monitor accessory module, and female quick connect terminals (P1015 series) in various wire gauge sizes. These accessories are designed to enhance protection, monitoring, and connectivity for Littelfuse electrical components.

What is Littelfuse's warranty policy?

Littelfuse provides comprehensive warranty details on their official website at www.littelfuse.com/warranty. Customers should visit this page to review the specific warranty terms and conditions for their specific product lines. For direct warranty support or questions, customers can contact Littelfuse Technical Support at 1-800-TEC-FUSE or email [email protected].

What communication protocols do Littelfuse products support?

Littelfuse supports a comprehensive range of industrial communication protocols, including PROFIBUS, PROFINET, EtherNet/IP, DeviceNet, Modbus RTU, and CANopen. Our products provide flexible connectivity solutions across multiple industrial automation platforms, enabling seamless integration with various control systems and network architectures.

How are Littelfuse products typically installed?

Littelfuse products are typically installed using specialized mounting hardware like fuse holders, blocks, and panels designed for specific industrial applications. The POWR-SAFE Dead Front holders, for example, provide optimum protection for Class CC and Midget-Style fuses, supporting installations up to 600 VAC/DC. Installation often involves using precision terminals with strain relief, such as 0.25 in. female quick connect terminals, to ensure secure and safe electrical connections in industrial control systems.