What are the key features of Molex 39-29-9127?

This product belongs to the Headers & Wire Housings 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 with full traceability.

What are the main application scenarios for 39-29-9127?

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 39-29-9127 work?

This device follows established Headers & Wire Housings 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 39-29-9127?

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 39-29-9127?

The global Headers & Wire Housings market is growing at ~6-8% CAGR, with particularly strong demand in power management. Molex 39-29-9127 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 39-29-9127?

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 provides full technical support and reference designs.

39-29-9127 Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 12 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural by Molex

39-29-9127 | Molex Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 12 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural

Category: Headers & Wire Housings

Brand: Molex

Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 12 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural

Stock: On request

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Product Details

PDF Datasheet

Technical Docs

Description: Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 12 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural

Technical Parameters

Category	Headers & Wire Housings
Contact Finish	Tin / Gold
Contact Material	Copper Alloy
Data Tier	Family Level
Description	Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 12 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural
Flammability Rating	UL94V-0
Insulation Material	Thermoplastic / Nylon
Manufacturer	Molex
Mounting Type	Through Hole / SMD
Operating Temperature	-40 to +105 C
Packaging	Tray
Product Type	Wire-to-Board / Board-to-Board Connector
RoHS	Compliant
Series	Micro-Fit 3.0
Standard Pack Qty	50

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

39-29-9127 Application and Selection Guide

39-29-9127 Model and Manufacturer Information

39-29-9127, a Headers & Wire Housings manufactured by Molex: 39-29-9127 helps you confirm the specific model, while Molex helps you confirm the product source. If you are selecting a part, you can first check whether 39-29-9127 meets your requirements, then check whether Molex matches your expectations, and then refer to Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 12 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural for further evaluation.

39-29-9127 Product Parameters and Description

The main parameters of Molex's Headers & Wire Housings product 39-29-9127 include Headers & Wire Housings Mini-Fit Jr. Vert. Header, 4.2mm Pit., Dual Row, 12 Pos., w/ Snap-in Plastic Peg PCB Lock, Tin, Natural. This is a Headers & Wire Housings produced by Molex, and it also offers good applicability in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices.

39-29-9127 Application and Selection Reference

Molex's Headers & Wire Housings product 39-29-9127 has a relatively wide range of applications in embedded systems, common 3C electronics, automotive electronics, electronic devices, and IoT devices. Overall, 39-29-9127 is a Headers & Wire Housings solution worth considering, and manufacturer Molex provides long-term supply program support for this product, which helps ensure supply continuity during mass production.

Recommended Part Numbers for 39-29-9127

Designers looking for 39-29-9127 recommended parts can evaluate the following options. 39-29-9127 selection decisions should verify parameters, tolerance and packaging against the original design bill of materials.

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52559-3334	Molex	Card Edge Connector, 33 Contact(s), 1 Row(s), Female, Straight, 0.02 inch Pitch, Surface Mount Terminal, Locking, Natural Insulator, ROHS COMPLIANT
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5055671573	Molex	1.25WB SINGLE RA ASSY 15CKT EMBP

EZKEY can provide 39-29-9127 recommended part comparison data and engineering samples for evaluation.