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GC ELECTRONICS 21166 Pre-Sensitized Circuit Board

GC ELECTRONICS' 21-166 is a positive pre-sensitized phenolic circuit board ideal for hobbyists and professionals alike. This board features a 1/16" thick phenolic base with one ounce (0.0014") copper, coated with a positive photo etch resist. It's designed to be used with GC Developer (Part Nos. 22-225 or 22-226) for precise etching. The peel-off coating protects the board during handling and cutting, ensuring a clean and professional finish. This board meets Fed. Spec.: S-10941-1.

Authorized Distributors
Source:DigiKey
Part No:2116-6
Stock:0
Inv Date:05-28-2026
Price: Unit price: $3.73
Buy/RFQ:
Source:DigiKey
Part No:2116.6
Stock:0
Inv Date:05-28-2026
Price: Unit price: $1.5185
Buy/RFQ:
Part No:2116-6
Stock:0
Inv Date:05-28-2026
Price: Unit price: $3.46
Buy/RFQ:
Part No:21-166
Stock:8
Inv Date:05-28-2026
Price: Unit price: $4.07
Buy/RFQ:
Part No:21-166
Stock:8
Inv Date:05-28-2026
Price: Unit price: $4.07
Buy/RFQ:

GC ELECTRONICS 21166 Pre-Sensitized Circuit Board Specifications:

  • Material: Phenolic
  • Thickness: 1/16"
  • Copper Weight: 1 oz (0.0014")
  • Resist: Positive photo etch resist
  • Developer: GC Developer (22-225 or 22-226)
  • Dielectric Constant: 5.3
  • Fed Spec: S-10941-1
  • Size: 6" x 6"

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Frequently Asked Questions

Where can I buy GC ELECTRONICS 21166?

You can click on the BUY or RFQ button to purchase 21166 from an authorized GC ELECTRONICS distributor.

How do I troubleshoot issues or seek technical support for part 21166?

You can download the 21166 datasheet or visit the GC ELECTRONICS website for support.

Who is the manufacturer of 21166?

GC ELECTRONICS

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