Question 1

What are the key features of Molex Contrinex 39-01-4021?

EZKEY · Accepted Answer

This product belongs to the Rectangular Connectors 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 Molex Contrinex with full traceability.

Question 2

What are the main application scenarios for 39-01-4021?

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 39-01-4021 work?

EZKEY · Accepted Answer

This device follows established Rectangular Connectors 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 39-01-4021?

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 39-01-4021?

EZKEY · Accepted Answer

The global Rectangular Connectors market is growing at ~6-8% CAGR, with particularly strong demand in power management. Molex Contrinex 39-01-4021 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 39-01-4021?

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, Molex Contrinex provides full technical support and reference designs.

Contact Finish	Tin / Gold
Contact Material	Copper Alloy
Data Tier	Family Level
Flammability Rating	UL94V-0
Insulation Material	Thermoplastic / Nylon
Mounting Type	Through Hole / SMD
Operating Temperature	-40 to +105 C
Product Type	Wire-to-Board / Board-to-Board Connector
RoHS	Compliant
Series	Micro-Fit 3.0

Recommended Part	Brand	Description
31100-0040	Molex Contrinex	Automotive Connectors HDAC RIGHT ANGLE HEA E HEADER 4 CKT POL A
55932-0810	Molex Contrinex	Conn Shrouded Header HDR 8 POS 2mm Solder ST Thru-Hole MicroClasp™ Tray
034961-0340	Molex Contrinex	CONN HEADER R/A 34POS

39-01-4021 | Molex Contrinex 集管和线壳 MINIFITJR REC HSG SR 2CKT 94V-0 NAT

Product Details

PDF Datasheet

Technical Docs

Technical Parameters

39-01-4021 Application and Selection Guide

39-01-4021 Model and Manufacturer Information

39-01-4021 Product Parameters and Description

39-01-4021 Application and Selection Reference

Recommended Part Numbers for 39-01-4021