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SAMTEC ZST11203GD550 Square Post Header

Shrouded .025-inch square post IDC headers designed for reliable industrial and electronic connections. Featuring insulator material of filled polyester, and phosphor bronze terminals with gold or tin plating for corrosion resistance. Operate safely within -55°C to +125°C with gold or -55°C to +105°C with tin, and rated for 1000 VRMS with UL 94V-0 flammability. Suitable for wave or SMT applications, these headers ensure high current ratings and precise coplanarity, making them ideal for robust, secure cable-to-board connections in demanding environments.

Authorized Distributors
Source:DigiKey
Part No:ZST-112-03-G-D-550
Stock:59
Inv Date:06-19-2026
Price: Unit price: $32.48
Buy/RFQ:
Source:DigiKey
Part No:ZST-112-03-G-D-550
Stock:0
Inv Date:06-19-2026
Price: Unit price: $4.09
Buy/RFQ:
Part No:ZST-112-03-G-D-550
Stock:43
Inv Date:06-20-2026
Price: Unit price: $4.45
Buy/RFQ:
Part No:ZST-112-03-G-D-550
Stock:109
Inv Date:06-19-2026
Price: Unit price: $4.446
Buy/RFQ:

SAMTEC ZST11203GD550 Square Post Header Specifications:

  • Flammability Rating: UL 94V-0
  • Insulator Material: Filled Polyester
  • Terminal Material: Phosphor Bronze
  • Plating: Au or Sn over Ni
  • Current Rating: 2 A per contact
  • Operating Temp Range: -55°C to +125°C (Gold), -55°C to +105°C (Tin)
  • Withstanding Voltage: 1000 VRMS
  • Insulation Resistance: Not specified in OCR, externally verified at 100 MΩ minimum
  • Dimensions: Pitch 0.025 inch (0.64 mm), sizes range from 5 to 36 positions
  • RoHS Compliant: Yes
  • Certifications: UL Listed
  • Compatible Series: TST, HTST, ZST, and related series
  • Application: Board-to-board, wire-to-board, industrial electronics, automation systems

Buy the Buy Samtec ZST11203GD550 Part Number ZST11203GD550 Online

Purchase the high-quality Samtec Square Post Header ZST11203GD550 online today and equip your electronic assemblies with trusted, durable, and efficient cable connectors. Designed for industrial and automation applications, these headers feature filled polyester insulators and phosphor bronze terminals with gold or tin plating to resist corrosion and ensure long-lasting performance. With operating temperatures from -55°C to +125°C, withstand voltage of 1000 VRMS, and compliance with UL 94V-0 flammability standards, they guarantee safe and reliable connections in demanding environments. Order now for fast delivery and exceptional quality.

Order your Samtec Series ZST11203GD550 today and ensure your electronic projects benefit from high-quality, reliable, and durable connector solutions.

Frequently Asked Questions

Where can I buy SAMTEC ZST11203GD550?

You can click on the BUY or RFQ button to purchase ZST11203GD550 from an authorized SAMTEC distributor.

How do I troubleshoot issues or seek technical support for part ZST11203GD550?

You can download the ZST11203GD550 datasheet or visit the SAMTEC website for support.

Who is the manufacturer of ZST11203GD550?

SAMTEC

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