Andrew
Andrew Content Marketer
On Jun 15, 2025

DF40C-30DP-0.4V(51) Board to Board & Mezzanine Connectors by Hirose – Ultra-Low Profile, High-Density PCB Connectivity

The  Board to Board & Mezzanine Connectors   DF40C-30DP-0.4V(51) by Hirose are ultra-compact connectors specifically designed for space-constrained electronic designs requiring secure, high-speed, and high-density connections. With a 0.4mm pitch and a 0.8mm stacking height, these connectors are optimized for handheld devices, mobile electronics, and embedded systems. Known for reliability and exceptional mating accuracy, the Board to Board & Mezzanine Connectors by Hirose are trusted across industries where performance and size matter most.

In this blog, we’ll explore technical specifications, key features, application areas, mounting details, and why sourcing from Xon Electronics ensures global access to authentic Hirose parts.


Technical Specifications of DF40C-30DP-0.4V(51)

  • Manufacturer: Hirose

  • Part Number: DF40C-30DP-0.4V(51)

  • Type: Board to Board & Mezzanine Connector

  • Number of Positions: 30

  • Pitch: 0.4 mm

  • Stacking Height: 0.8 mm

  • Mounting Type: Surface Mount

  • Contact Finish: Gold plating

  • Rated Current: 0.3A per contact

  • Rated Voltage: 50V AC/DC

  • Operating Temperature: -35°C to +85°C

  • Category: Board to Board & Mezzanine Connectors by Hirose

These connectors are ideal for applications where miniaturization, signal integrity, and durability are essential.


Key Features of DF40C-30DP-0.4V(51) Connectors

  • Ultra-Low Profile (0.8mm Height) – Perfect for slim, compact devices

  • 0.4mm Fine Pitch – High-density contact layout for advanced PCB design

  • Secure Locking Mechanism – Ensures reliable mating under vibration

  • Gold-Plated Contacts – Excellent conductivity and corrosion resistance

  • SMT Compatible – Suitable for automated reflow soldering processes

These features make the DF40C-30DP-0.4V(51) Board to Board & Mezzanine Connectors by Hirose a top choice for high-precision and space-sensitive applications.


Applications of DF40C-30DP-0.4V(51) Connectors

The DF40C-30DP-0.4V(51) Board to Board & Mezzanine Connectors by Hirose are widely used in:

  • Smartphones and Mobile Devices

  • Digital Cameras and Camcorders

  • Wearable Technology

  • Medical Equipment

  • Embedded Boards and Modules

Thanks to their compact form and robust mechanical properties, Board to Board & Mezzanine Connectors by Hirose deliver stable signal and power transmission in dense electronic assemblies.


Mounting and Connection Guide

Mounting instructions for DF40C-30DP-0.4V(51):

  1. Align connector precisely with mating part

  2. Use pick-and-place machines for accurate SMT placement

  3. Reflow solder using standard profiles

  4. Confirm full engagement with tactile lock for long-term performance

The DF40C-30DP-0.4V(51) Board to Board & Mezzanine Connectors by Hirose are engineered for high-speed manufacturing lines and automated assembly processes.


Use Case Scenario: Compact Medical Diagnostic Device

Scenario: A medical equipment manufacturer needed a reliable, miniature connector for a diagnostic handheld device.

Problem: Available connectors were either too large or failed during vibration tests.

Solution: The DF40C-30DP-0.4V(51) Board to Board & Mezzanine Connectors by Hirose provided a low-profile, vibration-resistant solution with gold contacts for optimal signal clarity.

Result: Reduced design footprint, improved reliability, and higher production yields.


Download Datasheet for DF40C-30DP-0.4V(51)

Need mechanical drawings, footprint layouts, or electrical specs?

[Download the DF40C-30DP-0.4V(51) Datasheet from Xon Electronics]


Why Buy from Xon Electronics?

Xon Electronics provides genuine DF40C-30DP-0.4V(51) Board to Board & Mezzanine Connectors by Hirose with:

  • Verified Hirose Distributor Stock
  • Global Shipping – USA, India, Australia, Europe & more
  • Bulk Availability for OEM & EMS Orders
  • Technical Support for Integration & Design
  • Secure Online Checkout with Fast Processing

Shop at www.xonelec.com for certified Board to Board & Mezzanine Connectors by Hirose.


Conclusion

The DF40C-30DP-0.4V(51) Board to Board & Mezzanine Connectors by Hirose offer unmatched compactness, reliability, and signal integrity in space-limited electronics. With high-speed data handling, rugged mechanical design, and global support, they’re the perfect solution for next-gen embedded systems. Now available at Xon Electronics with worldwide shipping to the USA, India, Australia, Europe, and beyond.


FAQs – DF40C-30DP-0.4V(51) Board to Board & Mezzanine Connectors by Hirose

Q1. What is the pitch of this connector?
0.4 mm – ideal for high-density applications.

Q2. How many positions does it support?
It offers 30 positions for signal or power lines.

Q3. Is it suitable for mobile or portable devices?
Yes, it's built for slim, portable electronic products.

Q4. What is the rated current per contact?
Each contact can handle up to 0.3A.

Q5. Where can I buy it internationally?
At www.xonelec.com, with delivery to USA, India, Australia, Europe, and other regions.




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