ENIG(Electroless Nickel Immersion Gold)PCB

ENIG surface finish PCBs with flat pads, RoHS compliance, and long shelf life. Ideal for BGA, fine pitch SMT, and high-reliability use.

ENIG PCB – Enhanced Durability and Solderability

Electroless Nickel Immersion Gold (ENIG) is a premium PCB surface finish, offering flat solder pads, corrosion resistance, and excellent wire bond reliability. China 365PCB offers ENIG on all standard and advanced PCB builds.

Application Areas

• BGA and Fine-Pitch Assembly

• High-Reliability Medical Devices

• Military-Grade Electronics

• Consumer IoT Products

Technical Capabilities & Certifications

• Nickel Thickness: 3–6µm

• Gold Thickness: 0.05–0.1µm

• Surface Finish: ENIG, Lead-Free

• Certifications: RoHS, UL, ISO 9001

Lead Time & MOQ

• Prototype: 5–7 days

• Mass Production: 8–10 days

• MOQ: 5 pcs

Customer Testimonials

“ENIG boards from China 365PCB deliver superior solder joints. Works great with BGAs.” – Thomas Y., SMT Supervisor, CleanConnect Inc.

FAQ

Q1: Why choose ENIG over HASL?

A: ENIG provides better flatness and longer shelf life for SMT.

Q2: Is ENIG lead-free?

A: Yes, it’s fully RoHS-compliant.

Q3: Can ENIG be used with wire bonding?

A: Yes, it's compatible with both Au and Al wire bonding.

Q4: Is ENIG suitable for HDI designs?

A: Absolutely. ENIG is ideal for fine pitch and via-in-pad designs.

Q5: What’s the shelf life of ENIG boards?

A: Typically 12+ months under proper storage.

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