0533980471 – Connector – Molex

Headers & Wire Housings 1.25MM HDR 04P VT SMT

0533980471 – 4-Position PicoBlade Shrouded Header – Molex

This Molex PicoBlade 53398 series connector delivers reliable board-to-wire connectivity in space-constrained designs. Engineered for secure mating and automated assembly, this 1.25mm pitch header features solder retention and a UL94 V-0 rated housing for robust performance in demanding environments.

Key Features

Manufacturer: Molex
Series: PicoBlade 53398
Type: Shrouded header with male blade contacts
Pitch: 1.25mm (0.049″)
Positions: 4 (single row, fully loaded)
Mounting: Surface mount (SMT)
Termination: Solder
Locking Mechanism: Secure detent lock
Contact Material: Phosphor bronze with tin plating
Voltage Rating: 100V AC/DC
Temperature Range: -40°C to +105°C

Technical Details
This rectangular connector features a 3-wall shrouded design that prevents misalignment during mating. Contacts have a 1.00µm tin finish for corrosion resistance and low mating force. The polyamide/nylon housing provides mechanical stability with a natural color aesthetic. Solder retention tabs ensure strong PCB attachment during reflow processes.

Common Applications

Automotive control modules
Industrial sensor interfaces
Medical monitoring equipment
Consumer electronics internal wiring
IoT device board interconnects

About Molex
Molex is a global leader in electronic connectivity solutions with over 80 years of innovation history. Their reputation for precision-engineered components makes them a preferred partner in mission-critical industries including automotive, medical, and industrial automation. Molex maintains rigorous quality standards across their manufacturing facilities worldwide.

The company invests significantly in R&D to pioneer miniaturized connectors like the PicoBlade series, which meet evolving demands for high-density interconnects. Molex certifications include IATF 16949 for automotive applications and ISO 13485 for medical devices, ensuring reliable performance in regulated environments.

About Rectangular Connectors
Rectangular connectors provide standardized interfaces for transmitting power and signals between PCBs, cables, and devices. Their modular designs enable scalable solutions across industries while ensuring secure connections through locking mechanisms and polarization features. These interconnects are fundamental in modern electronics where reliable data transfer and power delivery are critical.

Headers specifically serve as the male component in board-to-wire systems, with shrouding protecting delicate pins from damage. The compact 1.25mm pitch of this PicoBlade connector exemplifies the industry trend toward miniaturization without compromising durability. Proper connector selection directly impacts product longevity and signal integrity in electronic assemblies.

Packaging Options
Available in industry-standard formats compatible with automated assembly:

Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®

Note: Packaging selection affects minimum order quantities.

Frequently Asked Questions
Q: What mating connector pairs with this header?
A: It