What are the key features of ROHM KDZTR3.9B?

This product belongs to the Zener Diodes 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 ROHM with full traceability.

What are the main application scenarios for KDZTR3.9B?

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 KDZTR3.9B work?

This device follows established Zener Diodes 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 KDZTR3.9B?

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 KDZTR3.9B?

The global Zener Diodes market is growing at ~6-8% CAGR, with particularly strong demand in power management. ROHM KDZTR3.9B 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 KDZTR3.9B?

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, ROHM provides full technical support and reference designs.

KDZTR3.9B Zener Diodes 3.9 to 4.4V; 40mA 1000mW by ROHM

KDZTR3.9B | ROHM Zener Diodes 3.9 to 4.4V; 40mA 1000mW

Category: Zener Diodes

Brand: ROHM

Zener Diodes 3.9 to 4.4V; 40mA 1000mW

Stock: On request

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Product Details

PDF Datasheet

Technical Docs

Description: Zener Diodes 3.9 to 4.4V; 40mA 1000mW

Technical Parameters

Application	General Purpose
Brand	ROHM
Category	Zener Diodes
Data Tier	General Description
Description	Zener Diodes 3.9 to 4.4V; 40mA 1000mW
Lead Free	Yes
Manufacturer	ROHM Semiconductor
Mounting Type	Surface Mount
Operating Temperature	-55 to +150 C
Packaging	Tape & Reel
Product Type	Semiconductor Component
RoHS	Compliant
Series	Rohm
Standard Pack Qty	3000

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)

Schematic Symbol (.sch)

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KDZTR3.9B Application and Selection Guide

KDZTR3.9B Model and Manufacturer Information

KDZTR3.9B, a Zener Diodes manufactured by ROHM: KDZTR3.9B helps you confirm the specific model, while ROHM helps you confirm the product source. If you are selecting a part, you can first check whether KDZTR3.9B meets your requirements, then check whether ROHM matches your expectations, and then refer to Zener Diodes 3.9 to 4.4V; 40mA 1000mW for further evaluation.

KDZTR3.9B Product Parameters and Description

The main parameters of ROHM's Zener Diodes product KDZTR3.9B include Zener Diodes 3.9 to 4.4V; 40mA 1000mW. This is a Zener Diodes produced by ROHM, and it also offers good applicability in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices.

KDZTR3.9B Application and Selection Reference

ROHM's Zener Diodes product KDZTR3.9B has a relatively wide range of applications in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices. Overall, KDZTR3.9B is a Zener Diodes solution worth considering, and manufacturer ROHM provides long-term supply program support for this product, which helps ensure supply continuity during mass production.

Recommended Part Numbers for KDZTR3.9B

Designers looking for KDZTR3.9B recommended parts can evaluate the following options. KDZTR3.9B selection decisions should verify parameters, tolerance and packaging against the original design bill of materials.

Recommended Part	Brand	Description
RV2C010UNT2L	ROHM	MOSFETs 20V 1A Nch Power MOSFET
RR268MM-600TF	ROHM	Rectifier Diode, 1 Element, 1A, 600V V(RRM), Silicon,
RR264M-400TFTR	ROHM	Rectifier Diode,

EZKEY can provide KDZTR3.9B recommended part comparison data and engineering samples for evaluation.