Fujitsu FRAM MB85 Series Supplier | Stock, Price & QC | ICLee

Your equipment is still running, but the FRAM you need has gone end-of-life. The authorized channels show “obsolete,” yet your production line and repair bench still need these parts. This guide covers how to source Fujitsu MB85 series FRAM from a stocking supplier — without gambling on quality.

MB85 FRAM in SOP — typical RAMXEED / Fujitsu industrial memory package

Why FRAM Sourcing Is Harder Than It Looks

If you’ve tried to buy FRAM lately, you already know the pain. Here are the four problems we hear from buyers every week:

1. The part is EOL — authorized channels can’t help. Many Fujitsu MB85 parts are discontinued or nearing EOL. Digi-Key and Mouser list them as “obsolete” with zero stock. But your product is still in production, and your service team still needs replacements.

2. The open market is full of relabeled and reworked parts. FRAM is not immune to the counterfeit problem. Sanded-off markings, re-balled packages, and pulled parts relabeled as “new” all show up in the market. Put one bad part on a production line and you get intermittent failures that are almost impossible to trace.

3. You need 50 pieces, but suppliers demand full reels. Prototype builds, repair runs, and small production batches need 10, 50, or 100 pieces. Many traders won’t touch an order under a full reel (2,500 pieces).

4. “100% genuine” claims come without inspection evidence. Anyone can say “100% original.” What you actually need to know is: what inspection was done on this lot? Visual? X-ray? Functional test? Is there a record?

What Is FRAM, and Why Your Design Depends on It

FRAM (Ferroelectric RAM) is a non-volatile memory that keeps data when power is lost, writes at near-SRAM speed, and lasts effectively forever. That combination is why it’s used in applications that write data constantly and can’t afford wear-out. New to the technology? See our short note What Is FeRAM (FRAM)?

Typical FRAM applications: smart meters, industrial controls, medical devices, automotive electronics, and RFID. For meter and logger BOMs, see FeRAM in Smart Meters and Industrial Data Loggers.

Here’s the catch: when an FRAM goes EOL, it’s not a simple swap. A replacement Flash or EEPROM changes write timing, endurance, and power characteristics — which means a redesign, not a drop-in. That’s exactly why finding original FRAM in stock matters more than finding “a similar part.”

Key Product Details

• ✅ Series: Fujitsu / RAMXEED MB85 FRAM
• ✅ Interfaces: SPI (MB85RS*) and I2C (MB85RC*)
• ✅ Density range we quote: 4 Kbit to 2 Mbit class (and higher on RFQ)
• ✅ Package: typically 8-SOP — confirm suffix on the product page
• ✅ Stock status: HK / SZ stock on quoted lines — confirm lot on RFQ
• ✅ Lead time: 1–3 business days after confirmation for in-stock parts
• ✅ MOQ: no hard MOQ — 10 pcs for prototyping, 50 for repair
• ✅ Shipping from: Hong Kong or Shenzhen
• ✅ Payment: T/T (and other methods stated on the quote)
• ✅ Quality: visual + label vs ERP; X-ray / functional test on request — not a blanket “100% guaranteed” line

Fujitsu MB85 FRAM Series We Stock

We maintain stock of the Fujitsu (now Infineon / RAMXEED) MB85 series across both SPI and I2C interfaces, from 4 Kbit to 4 Mbit. The following parts are among our most frequently quoted:

Click any part number for price and availability. Don’t see your part number? Send us your PN and quantity — we reply with stock and price within 24 hours. Small batches are welcome: 10 pieces for prototyping, 50 for repair, 500 for small production runs. Prototype qty and date-code rules: Small-Batch FeRAM for Prototypes.

HK / SZ stocking warehouse — confirm lot, date code, and qty on your quote

Common Applications

• Industrial control and automation equipment

• Smart meters and battery-powered metering

• Medical devices and health monitoring systems

• Automotive electronics and data logging

• RFID and asset tags that write often

How We Inspect FRAM Before It Ships

We won’t claim a “100% genuine guarantee” — that’s a phrase anyone can type. Instead, here’s what actually happens to every FRAM lot at our Shenzhen IQC lab before it ships:

1. Visual inspection — marking clarity, lead flatness, package integrity, any sign of sanding or rework. See Step 1: Visual & Magnified Visual Inspection.

2. Label vs. ERP check — we verify the lot label’s part number, batch, and quantity against our system records.

3. X-ray inspection (on request) — internal lead-frame and bond-wire check to identify re-packaging risk.

4. Functional test (on request) — read/write testing on sampled parts to confirm operation.

Shenzhen IQC lab — microscope station used on incoming memory lots

Questions Buyers Ask Us About FRAM

Q: Are your FRAM parts brand new original?

A: Our stocked MB85 parts are primarily new original. Some EOL parts may come from original overstock or authorized channel tail stock — we state the source clearly in every quote and never mix sources in one lot.

Q: What’s your MOQ?

A: There’s no hard MOQ. We quote 10 pieces for prototyping and 50 for repair. Larger quantities get better pricing.

Q: Can you provide inspection reports?

A: Yes. Standard lots come with visual inspection records. If you need X-ray or functional test reports, confirm before ordering and we’ll arrange them with documentation.

Q: What’s the lead time?

A: For in-stock parts, 1–3 business days after confirmation, shipped from our Hong Kong or Shenzhen warehouse. Sourcing or extra inspection adds time, which we state in the quote.

Q: Can you help replace an EOL FRAM?

A: If you need the exact part, we find stock. If you need a functional replacement, send us your part number and application and we can recommend a compatible alternative.

Need FRAM in Stock?

Send us your part number, quantity, and target date — we reply with stock, price, and an inspection plan within 24 hours. No relabeled parts, no blind shipping.

Contact page · example in-stock line: MB85RS256BPNF-G-JNERE1