Question 1

What are the key features of Littelfuse Inc. 1812L110/33MR?

EZKEY · Accepted Answer

This product belongs to the General Purpose 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.

Question 2

What are the main application scenarios for 1812L110/33MR?

EZKEY · Accepted Answer

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.

Question 3

How does 1812L110/33MR work?

EZKEY · Accepted Answer

This device follows established General Purpose 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.

Question 4

What is the technical performance of 1812L110/33MR?

EZKEY · Accepted Answer

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.

Question 5

What is the current market demand for 1812L110/33MR?

EZKEY · Accepted Answer

The global General Purpose market is growing at ~6-8% CAGR, with particularly strong demand in power management. Littelfuse Inc. 1812L110/33MR 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.

Question 6

What are the technical characteristics of 1812L110/33MR?

EZKEY · Accepted Answer

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.

Application	Overcurrent Protection
Brand	Littelfuse Inc
Data Tier	Family Level
ECCN	EAR99
Halogen Free	Yes
Hold Current	1.1 A
Max Current	100 A
Max Voltage	8 V
Mounting Type	Surface Mount
Operating Temperature	-40 to +85 C
Package / Case	1812
Packaging	Tape & Reel
Product Type	PTC Resettable Fuse
REACH	Compliant
RoHS	Compliant
Series	1812L
Trip Current	1.1 A

Recommended Part	Brand	Description
QK006LH4TP	Littelfuse Inc.	ALTNSTR 1000V 6A 35-35-35 MA TO2
SMF4L40A	Littelfuse Inc.	TVS DIODE 40V 64.5V SOD123FL
SMBJ14CA	Littelfuse Inc.	ESD Protection Diodes / TVS Diodes TVS, SMBJ series, 14V Oper., Bi-dir

1812L110/33MR | Littelfuse Inc. PTC RESET FUSE 33V 1.1A 1812

Product Details

PDF Datasheet

Technical Docs

Technical Parameters

1812L110/33MR Application and Selection Guide

1812L110/33MR Model and Manufacturer Information

1812L110/33MR Product Parameters and Description

1812L110/33MR Application and Selection Reference

Recommended Part Numbers for 1812L110/33MR