Formerica Optoelectronics

Formerica specifies the TES-K19BF-CFC 1.6T OSFP224 transceiver for AI and HPC data centers. It uses a silicon photonics modulator and DSP with dual MPO-12/APC optical connectors.

Role Module maker Top speed 1.6T

Verified

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Facts

Source per value
Role Where the company sits in the optics supply chain: pluggable module maker, DSP and chip supplier, laser and component maker, network OEM that sells its own optics, contract manufacturer, optical I/O and co-packaged optics developer, or active electrical cable maker.
Module maker 1
Top speed Gb/s Highest module or chip application rate documented in the cited sources, in Gb/s (1600 = 1.6T). A historical catalog or announcement is not proof of today’s maximum or volume shipments.
1,600 1
Speeds Data-center speed grades in the current portfolio, as the company lists them.
1.6T (8x200G PAM4) 1
1.6T status Evidence for the 1.6T module or chip: volume/revenue shipping, customer sampling, or public demo/announcement. Blank means no dated status established; inspect the source date.
Not published
Form factors Pluggable form factors offered (QSFP28, QSFP56, QSFP112, QSFP-DD, OSFP, OSFP-XD and so on), or the package type for chips and engines.
OSFP224 IHS 1
LPO / LRO Offers linear pluggable optics (LPO) or linear receive optics (LRO), or the drivers, TIAs or DSPs built for them.
Not published
CPO / optical I/O Offers co-packaged optics, optical engines for CPO, or optical I/O chiplets.
Not published
Silicon photonics Identifies silicon photonics in a published product, design or demonstration. This flag does not establish volume shipments.
Yes 1
Coherent (ZR) Offers coherent pluggables or coherent DSPs (400ZR, ZR+, 800ZR) for data center interconnect.
Not published
Lasers Laser technologies the company makes or uses: VCSEL, EML, DML, CW lasers for silicon photonics, or tunable lasers.
Not published
Reaches Reach classes offered, from SR (multimode, about 100 m) through DR, FR and LR (single-mode, 500 m to 10 km) to ZR (80 km and beyond).
2xDR4, up to 500 m SMF 1
Named customers Hyperscaler or major customers the company or its filings name publicly.
Not published
Revenue Reported annual revenue in the original currency and fiscal year. Figures may cover an entire group and periods differ; this is not an optics market-share ranking.
Not published
Optics revenue share Share or amount of revenue from optical transceivers, datacom or the relevant segment, where a filing or earnings release states it.
Not published
Listing Stock exchange and ticker, or Private.
Not published
Manufacturing Countries where the company states it manufactures.
Not published
Parent Owner company for subsidiaries and acquired businesses.
Not published

Sources

  1. Formerica TES-K19BF-CFC 1.6T datasheet, revision 1.0 (5 Feb 2026) accessed 2026-11-11

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