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SAMTEC ZST12503LD740 Square Post IDC Header

The shrouded .025 inch square post IDC headers are designed for reliable board-to-board connections. Made from filled polyester with insulator material options including UL 94V-0 rated materials, these headers feature phosphor bronze terminals with gold or tin plating for excellent conductivity and corrosion resistance. Suitable for applications operating between -55°C and +125°C, they support RoHS compliance, have a current rating up to 2 A, and include optional alignment pins for enhanced mechanical stability. Compatible with SMT lead coplanarity standards, these headers ensure secure, reliable connections in various electronic assemblies.

Authorized Distributors
Source:DigiKey
Part No:ZST-125-03-L-D-740
Stock:79
Inv Date:05-27-2026
Price: Unit price: $15.36
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Source:DigiKey
Part No:ZST-125-03-L-D-740
Stock:0
Inv Date:05-27-2026
Price: Unit price: $6.67
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Part No:ZST-125-03-L-D-740
Stock:0
Inv Date:05-28-2026
Price: Unit price: $6.51
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Part No:ZST-125-03-L-D-740
Stock:0
Inv Date:05-27-2026
Price: Unit price: $8.33
Buy/RFQ:
Part No:ZST-125-03-L-D-740
Stock:0
Inv Date:05-27-2026
Price: Unit price: $8.33
Buy/RFQ:
Part No:ZST-125-03-L-D-740
Stock:79
Inv Date:05-28-2026
Price: Unit price: $69000
Buy/RFQ:

SAMTEC ZST12503LD740 Square Post IDC Header Specifications:

  • Insulator Material: Filled Polyester (UL 94V-0 rated), not available on -DV versions
  • Terminal Material: Phosphor Bronze with Au or Sn Plating over Ni
  • Current Rating: Up to 2 A per contact
  • Operating Temperature Range: -55°C to +125°C with Gold plating, -55°C to +105°C with Tin plating
  • Flammability Rating: UL 94V-0
  • Withstanding Voltage: 1000 VRMS
  • RoHS Compliant: Yes
  • Lead-Free Solderable: Yes
  • Dimensions: Square post 0.025 in (0.64 mm), sizes vary from 5 to 36 positions
  • Contact Resistance: Not specified, optimized for high reliability
  • Board Spacing: Standard sizes listed (e.g., 5, 7, 8, 10, etc.)
  • SMT Lead Coplanarity: 0.10 mm max
  • Alignment Pins: Available for added mechanical stability
  • Series: ZST, HTST, or other specified variants
  • Compatibility: Supports wave and SMT mounting
  • Certifications: RoHS compliant, UL rated
  • Design Standards: Meets industry requirements for board-to-board connectors
  • Mechanical Stability: Enhanced with optional alignment pins and mechanical spacers

Buy the Buy Samtec ZST12503LD740 Part Number ZST12503LD740 Online

Order the Samtec Square Post IDC Header ZST12503LD740 today for high-reliability, RoHS compliant board-to-board connections. This product features gold or tin plating for enhanced conductivity and corrosion resistance, operating efficiently between -55°C and +125°C. Suitable for SMT applications with coplanarity support, it ensures secure, stable connections in electronic assemblies. Easy to install with optional alignment pins, the ZST series headers meet industry standards and provide excellent mechanical stability. Purchase online now for quick delivery and trusted quality.

Get Samtec ZST12503LD740 today—built for precision and long-lasting durability in electronic connections.

Frequently Asked Questions

Where can I buy SAMTEC ZST12503LD740?

You can click on the BUY or RFQ button to purchase ZST12503LD740 from an authorized SAMTEC distributor.

How do I troubleshoot issues or seek technical support for part ZST12503LD740?

You can download the ZST12503LD740 datasheet or visit the SAMTEC website for support.

Who is the manufacturer of ZST12503LD740?

SAMTEC

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