What are the key features of Littelfuse Inc 0154004.DRT?

This product belongs to the Surface Mount Fuses category and ships in standard packaging. It features high reliability, stable performance and low power consumption. Key parameters include wide operating range, low loss, and over-temperature protection, suitable for industrial applications. Manufactured by Littelfuse Inc with full traceability.

What are the main application scenarios for 0154004.DRT?

Typical applications include power management, industrial control. Additionally, it is widely used in automotive electronics, telecom infrastructure, medical devices, and consumer electronics as a critical circuit component, improving system integration and energy efficiency.

How does 0154004.DRT work?

This device follows established Surface Mount Fuses design principles. Core functional stages include input handling, signal and power processing, and protection logic, ensuring stable operation under varying conditions. Refer to the datasheet for the detailed characteristics and application guidance.

What is the technical performance of 0154004.DRT?

Performance highlights: stable characteristics across the operating temperature range, low loss, and long service life. Reliable contact and shock resistance, with protection against over-current and over-voltage where applicable. Meets industrial and automotive reliability standards where the series qualifies.

What is the current market demand for 0154004.DRT?

The global Surface Mount Fuses market is growing at ~6-8% CAGR, with particularly strong demand in power management. Littelfuse Inc 0154004.DRT is a mainstream model with stable stock and a typical lead time of 2-4 weeks. Driven by new energy and smart electronics trends, inquiries for this model are steadily increasing, indicating a positive long-term outlook.

What are the technical characteristics of 0154004.DRT?

Three main technical features: 1) High reliability – stable performance over the rated life; 2) Low-loss design – reduced energy loss in operation; 3) Wide adaptability – compatible with various operating conditions. Additionally, Littelfuse Inc provides full technical support and reference designs.

0154004.DRT 产品：贴片式保险丝（含保险丝座）保险丝类型：延时熔断/慢速熔断额定电流：4A 分断能力：50A 熔断 I²t：34.4 by Littelfuse Inc

0154004.DRT | Littelfuse Inc 产品：贴片式保险丝（含保险丝座）保险丝类型：延时熔断/慢速熔断额定电流：4A 分断能力：50A 熔断 I²t：34.4

Category: Surface Mount Fuses

Brand: Littelfuse Inc

产品：贴片式保险丝（含保险丝座）保险丝类型：延时熔断/慢速熔断额定电流：4A 分断能力：50A 熔断 I²t：34.4

Stock: On request

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Product Details

PDF Datasheet

Technical Docs

Description: 产品：贴片式保险丝（含保险丝座）保险丝类型：延时熔断/慢速熔断额定电流：4A 分断能力：50A 熔断 I²t：34.4

Technical Parameters

Current Rating (Continuous)	4.0 A
Fuse Speed	Time Lag (Slo-Blo)
Fuse Type	Nano2 Surface Mount Fuse
Halogen Free	Yes
Insulation Resistance	>= 10,000 Ohms
Interrupt Rating	50 A @ 125 V
Lead Free	Yes
Mounting Type	Surface Mount
Operating Temperature Range	-55 C to +125 C
Package / Footprint	SMD (Nano2 compatible)
Product Family	154 Series
Product Type	Surface Mount Fuse Holder with Fuse (Omni-Blok)
Replacement	Easy fuse replacement without solder heat
RoHS Compliant	Yes
Voltage Rating	125 V AC/DC

Standard Packaging: Standard packaging refers to the minimum packaging quantity obtained from the manufacturer/distributor. Therefore, the minimum order quantity may be less than the manufacturer's standard packaging quantity. When products are broken down into smaller quantities, the packaging type (i.e., reel, tube, tray) may change, subject to actual packaging delivery.

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PCB Footprint (.pcb)

3D Model (.stp)

Schematic Symbol (.sch)

DXF Drawing

0154004.DRT Application and Selection Guide

0154004.DRT Model and Manufacturer Information

0154004.DRT, a Surface Mount Fuses manufactured by Littelfuse Inc: 0154004.DRT helps you confirm the specific model, while Littelfuse Inc helps you confirm the product source. If you are selecting a part, you can first check whether 0154004.DRT meets your requirements, then check whether Littelfuse Inc matches your expectations, and then refer to 产品：贴片式保险丝（含保险丝座）保险丝类型：延时熔断/慢速熔断额定电流：4A 分断能力：50A 熔断 I²t：34.4 for further evaluation.

0154004.DRT Product Parameters and Description

The main parameters of Littelfuse Inc's Surface Mount Fuses product 0154004.DRT include 产品：贴片式保险丝（含保险丝座）保险丝类型：延时熔断/慢速熔断额定电流：4A 分断能力：50A 熔断 I²t：34.4. This is a Surface Mount Fuses produced by Littelfuse Inc, and it also offers good applicability in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices.

0154004.DRT Application and Selection Reference

Littelfuse Inc's Surface Mount Fuses product 0154004.DRT has a relatively wide range of applications in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices. Overall, 0154004.DRT is a Surface Mount Fuses solution worth considering, and manufacturer Littelfuse Inc provides long-term supply program support for this product, which helps ensure supply continuity during mass production.

Recommended Part Numbers for 0154004.DRT

Designers looking for 0154004.DRT recommended parts can evaluate the following options. 0154004.DRT selection decisions should verify parameters, tolerance and packaging against the original design bill of materials.

Recommended Part	Brand	Description
0476003.MR	Littelfuse Inc
0443005.DR	Littelfuse Inc	Surface Mount Fuses 250VAC 5A .0115ohms 443 NANO2
0466.500NR	Littelfuse Inc

EZKEY can provide 0154004.DRT recommended part comparison data and engineering samples for evaluation.

0154004.DRT | Littelfuse Inc 产品：贴片式保险丝（含保险丝座） 保险丝类型：延时熔断/慢速熔断 额定电流：4A 分断能力：50A 熔断 I²t：34.4