What are the key features of Lite-On Inc LTST-C281KRKT?

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 Lite-On Inc with full traceability.

What are the main application scenarios for LTST-C281KRKT?

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 LTST-C281KRKT work?

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.

What is the technical performance of LTST-C281KRKT?

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 LTST-C281KRKT?

The global General Purpose market is growing at ~6-8% CAGR, with particularly strong demand in power management. Lite-On Inc LTST-C281KRKT 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 LTST-C281KRKT?

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, Lite-On Inc provides full technical support and reference designs.

LTST-C281KRKT 发光颜色：红灯透镜颜色：无色透明主波长：631nm 峰值波长：639nm 测试电流：20mA 正向电压(VF)：2V 发光强度：54mcd 功率：62.5mW 发光角度：130° 工作温度：-30 by Lite-On Inc

LTST-C281KRKT | Lite-On Inc 发光颜色：红灯透镜颜色：无色透明主波长：631nm 峰值波长：639nm 测试电流：20mA 正向电压(VF)：2V 发光强度：54mcd 功率：62.5mW 发光角度：130° 工作温度：-30

Category: General Purpose

Brand: Lite-On Inc

发光颜色：红灯透镜颜色：无色透明主波长：631nm 峰值波长：639nm 测试电流：20mA 正向电压(VF)：2V 发光强度：54mcd 功率：62.5mW 发光角度：130° 工作温度：-30

Stock: On request

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Product Details

PDF Datasheet

Technical Docs

Description: 发光颜色：红灯透镜颜色：无色透明主波长：631nm 峰值波长：639nm 测试电流：20mA 正向电压(VF)：2V 发光强度：54mcd 功率：62.5mW 发光角度：130° 工作温度：-30

Technical Parameters

Application	Indicator / Backlight
Brand	Lite-On Inc
Data Tier	Family Level
ECCN	EAR99
Forward Current	20 mA (Typ)
Forward Voltage	2.0 V (Typ)
Halogen Free	Yes
Mounting Type	Surface Mount
Operating Temperature	-30 to +85 C
Package / Case	SMD
Packaging	Tape & Reel
Product Type	LED
REACH	Compliant
RoHS	Compliant
Series	LTST
Viewing Angle	130 deg (Typ)

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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3D Model (.stp)

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LTST-C281KRKT Application and Selection Guide

LTST-C281KRKT Model and Manufacturer Information

LTST-C281KRKT, a General Purpose manufactured by Lite-On Inc: LTST-C281KRKT helps you confirm the specific model, while Lite-On Inc helps you confirm the product source. If you are selecting a part, you can first check whether LTST-C281KRKT meets your requirements, then check whether Lite-On Inc matches your expectations, and then refer to 发光颜色：红灯透镜颜色：无色透明主波长：631nm 峰值波长：639nm 测试电流：20mA 正向电压(VF)：2V 发光强度：54mcd 功率：62.5mW 发光角度：130° 工作温度：-30 for further evaluation.

LTST-C281KRKT Product Parameters and Description

The main parameters of Lite-On Inc's General Purpose product LTST-C281KRKT include 发光颜色：红灯透镜颜色：无色透明主波长：631nm 峰值波长：639nm 测试电流：20mA 正向电压(VF)：2V 发光强度：54mcd 功率：62.5mW 发光角度：130° 工作温度：-30. This is a General Purpose produced by Lite-On Inc, and it also offers good applicability in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices.

LTST-C281KRKT Application and Selection Reference

Lite-On Inc's General Purpose product LTST-C281KRKT has a relatively wide range of applications in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices. Overall, LTST-C281KRKT is a General Purpose solution worth considering, and manufacturer Lite-On Inc provides long-term supply program support for this product, which helps ensure supply continuity during mass production.

Recommended Part Numbers for LTST-C281KRKT

Designers looking for LTST-C281KRKT recommended parts can evaluate the following options. LTST-C281KRKT selection decisions should verify parameters, tolerance and packaging against the original design bill of materials.

Recommended Part	Brand	Description
L8104-E1	Lite-On Inc	L8104-E1
LTST-C171KGKT	Lite-On Inc	光电器件,套件,LED指示-分立
LTST-C170YKT	Lite-On Inc	LED Uni-Color Yellow 585nm 2-Pin SMD T/R

EZKEY can provide LTST-C281KRKT recommended part comparison data and engineering samples for evaluation.

LTST-C281KRKT | Lite-On Inc 发光颜色：红灯 透镜颜色：无色透明 主波长：631nm 峰值波长：639nm 测试电流：20mA 正向电压(VF)：2V 发光强度：54mcd 功率：62.5mW 发光角度：130° 工作温度：-30