K4B4G1646Q-BCNB Drop-in Replacement — HGCHIPS HGD34G16L18E

Looking for a reliable domestic supply alternative to K4B4G1646Q-BCNB (Samsung)? The production part HGD34G16L18E aligns with it on density, organization, speed grade and package and can be used as a second source or long-term stock plan. Send us the full part number and platform details before ramp-up so our FAE team can confirm pin-out and die revision.

K4B4G1646Q-BCNB Specifications

Cross-reference: K4B4G1646Q-BCNB → HGD34G16L18E

Replacement Notes

• No circuit change — identical package and pin-out, replace directly in the BOM for pilot run.
• Lot test reports — 100% tested before shipment, test data available per lot for IQC records.
• Speed and voltage grades — a higher speed grade is downward compatible; commercial grade does not replace industrial grade, pick -40~85C parts for industrial and outdoor designs.
• Qualification advice — send the full part number (with suffix) and platform details so our FAE team can confirm die revision and timing before volume production.

Ordering and Samples

• In stock, ships within 48 hours; price lock available for long-term projects.
• Samples from 10 pcs, cost credited against your first order.
• Small pilot runs and volume production supported with lot traceability.

Related Replacements

Same family: H5TC2G63DFR-RDA / H5TC2G83DFR-RDA / H5TC4G63EFR-RDI / H5TC4G63EFR-RDN / H5TC4G63EFR-TEN / H5TC4G83EFR-PBA / H5TC4G83EFR-RDI / H5TC8G63CMR-PBA

HGCHIPS HGD34G16L18E part page · Model Finder · Contact: info@hgtech.cc · +86 760 8992 4799

Frequently asked questions

K4B4G1646Q-BCNB — can it drop in without board changes?

No board changes. K4B4G1646Q-BCNB is mapped to K4B4G1646Q-BCNB and designed as a pin-to-pin drop-in: package and pin-out are checked field by field against the original datasheet, so it fits the existing PCB and firmware. Typical use is second-sourcing, EOL cover and allocation shortages.

How do I use the selection table?

Find your original part number, then check density, organization, speed grade, voltage, package and temperature range against your BOM. Any field that differs is stated on the page — we do not claim the parts are identical.

K4B4G1646Q-BCNB — samples and lead time?

Samples from 10 pcs, credited against the first order. In-stock items ship from Shenzhen within 48 hours; long-lead projects can be price-locked. Parts are 100% inspected before shipment and batch test data is available for IQC.

How do I request a quote for K4B4G1646Q-BCNB?

Send your target part number, monthly usage and target price to info@hgtech.cc or call +86 760 8992 4799 — we reply within 24 business hours (same day for stock parts).