Coretek | Acal BFi DE

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Coretek Opto Corporation – a global provider of optical transceivers

Coretek Long-standing partner
Acal BFi have been Coretek's sole distributor in Europe since 2004. We strongly value their customer-centric approach and wide range of high-quality products. Their strength in product customisation and flexibility of design enables our fibre-optics experts to meet bespoke customer requirements.

Expertise in a wide range of markets
Corerek have expertise across a wide range of markets, including industrial, energy, automation, broadband communications, telecommunications, data communications, military and medical. Their strategy for the highest possible vertical integration spans from die/wire bonding, SMT, optical sub-assembly, through to transceivers and subsystems.

Customer-centric approach
CoretekCoretek's product roadmap is based on listening to their customers' needs, understanding their markets, and developing a tailored portfolio. Striving to provide customers with the highest-quality products and services, Coretek are continuously improving and innovating production processes to ensure efficiency, automation and quality with full adherence to industry standards. Customer satisfaction is the driving factor to over-achieve on these high goals.

Diverse range of products
By offering customers a choice of either multiple supplier agreement (MSA) form factors, such as 1x9, SFF, SFP, SFP+, XFP, QSFP+ or customised footprints, Coretek are able to support a diverse range of products that are used by many customers in demanding applications where long-term availability of supply is key.

Coretek specialise in optical transceivers for the industrial Ethernet, energy, process automation and control markets. All products have been designed with a focus on achieving low-power consumption over a wide industrial operating temperature range, and beyond. EMI, ESD and isolation performance have all been optimised to meet the challenging requirements of industrial applications. Products are available with conformal coating, additional shielding or special mechanical robustness demanded of these rugged installations. Coretek's abilities to create custom designs based on old mechanical footprints, low data-rates and non-typical connector types provide customers with a solution that can be available for many years to come.

A selection of some of our more common products

1x8 mini-SFF, duplex LC connector, 1310nm FP LD for single-mode fibre

Coretek CT-1250TS8-MS4L-A  

Key features

  • 10km link distance
  • Operating temperature from -40 to 85°C
  • Multi-rate: 100Mb/s to 1.25Gb/s, NRZ
  • Small form factor (SFF) 1x8 footprint with metal shield
  • Superior optical and electrical performance in a miniature package
  • Multi-mode and further versions available

1x8 package, F07 connector, 850nm VCSEL for plastic optical fibre

Coretek CT-1250PS8-SB17  

Key features

  • 5m link distance over POF or 20m link distance over HPCF
  • Data rate: 125Mb/s to 1.25Gb/s, NRZ
  • 1x8 footprint
  • JIS F07 connector
  • Robust mechanical design




SFP, duplex LC connector, 850nm VCSEL for multi-mode fibre

Coretek CT-0155NSP-SB2L-E-2M  

Key features

  • Operating temperature from -40 to 85°C
  • Data rate: 2Mb/s, NRZ
  • 2km operating distance
  • Compliant with SFF-8472 digital diagnostic monitoring interface (DDMI), IEEE C37.94 / IEC 62843 standard, and backward compatible with all legacy designs
  • Single-mode versions from 20km to 120km available

SFP, duplex LC connector, 1310nm FP LD for single-mode fibre

Coretek CT-000ATSP-M15L  

Key features

  • Data rate: DC-0.5Mb/s
  • Single +5V power supply
  • TTL electrical data interface
  • Compliant with multi-source agreement (MSA), small form factor pluggable (SFP)
  • Multi-mode and other form factors available




2x6 SFF, SC-RJ connector, 1mm plastic optical fibre and 200μm hard clad silica

Coretek CT-0125NPF-R41C-E  

Key features

  • -40 to 85°C operating temperature range
  • 50m 0.5NA POF or 100m 0.37NA HCS
  • 650nm LED
  • Multi-rate: 10-125Mb/s, NRZ
  • Compliant with SFF-8472 DDMI with enhances features
  • Non-Rx-squelch version available


2x9 (12-pin), duplex SC / ST plastic connector, 1310nm LED for multi-mode fibre

Coretek CT-0155NUR-M22x-E-P  

Key features

  • Operating temperature from -40 to 85°C
  • 1310nm LED
  • Data rate: 100-155Mb/s, NRZ
  • Improved Tx power / Rx power DDMI Accuracy at high temperature ±2dB
  • Compliant with SFF-8472 DDMI
  • Single-mode and bi-directional single fibre versions available


1x9, duplex SC connector, metallised housing, 1310nm FP LD for single-mode fibre

Coretek CT-0155TTR-M25C-A-M  

Key features

  • 15km working distance
  • -40 to 85°C operating temperature range
  • Data rate: 100Mb/s~155Mb/s, NRZ
  • Fully metallised housing
  • Compliant with 100Base-FX of IEEE802.3u standard, FDDI PMD standard and ATM standard
  • Multi-mode and further single-mode versions available

SFP bi-di, single LC connector, 1310nm FP LD for single-mode fibre

Coretek CT-1250TBP-HB4L-E-SE  

Key features

  • 10km working distance
  • Operating temperature from -40 to 90°C
  • Data rate: 1.25Gb/s, NRZ
  • Compliant with SFF-8472 DDMI
  • Compliant with specifications for IEEE-802.3ah 1000Base-BX
  • Other bi-directional single-fibre versions available



Coretek's extensive range of video transceivers include many form factors, such as 1x9, SFP and QSFP+. SDI pathological patterns for SMPTE 259M, SMPTE 344M, SMPTE 292M and SMPTE 424M serial rates include SD-SDI compliant link at 270Mb/s, HD-SDI compliant link at 1.485Gb/s and 3G-SDI compliant link at 2.97Gb/s. A variety of different optical technologies covering distances from just a few kilometres up to 80, including CWDM, are available in both commercial and extended temperature ranges. All products are extensively tested in production to meet the challenging requirements.

A selection of some of our more common products

QSFP+, LC duplex, four transmitter channels (4x 6Gb/s) and bi-di 2.5Gb/s

Coretek CT-6025VQR-CB4L  

Key features

  • Video-dedicated transceiver
  • Hot-pluggable QSFP+ form factor
  • One quad-TOSA and BOSA:
    - 4x 6Gb/s CWDM uncooled DFB channels (1270nm, 1290nm, 1310nm, 1330nm)
    - 1x 2.5Gb/s bi-di (1310nm Tx / 1550nm Rx)
  • Up to 10km on SMF
  • Power dissipation <4W


Also available

QSFP+, LC duplex, 1x quad-ROSA and BOSA:
- 4x 6Gb/s PIN-TIA channels (1270nm, 1290nm, 1310nm, 1330nm)
- 1x 2.5Gb/s bi-di (1550nm Tx / 1310nm Rx)


SFP bi-di, single LC connector, 1550/1310nm dual transmitter for single-mode fibre

Coretek CT-2500TBP-CB5L-D-ABT5531  

Key features

  • 20km link distance
  • Data rate: 50Mb/s to 3Gb/s, NRZ
  • Supports video pathological patterns for SD-SDI, HD-SDI and 3G-SDI
  • Compliant with SFF-8472 DDMI
  • DDMI (Tx power, bias current, supply voltage and operating temperature)



Also available

SFP, single LC connector, 1310/1550nm dual receiver for single-mode fibre




Further dual Tx/Rx, single Tx/Rx and transceiver models available


1x9, single metal ST connector, single-channel transmitter for single-/multi-mode fibre

Coretek CT-2500TJR-MB4T-A_V1_2  

Key features

  • 10km link distance at 3Gb/s
  • Data rate: 50Mb/s to 3Gb/s, NRZ
  • Industry standard 1x9 footprint
  • Supports video pathological patterns for SD-SDI, HD-SDI and 3G-SDI
  • -40 to 85°C operating temperature range


Also available

1x9, single-metal ST connector, single-channel receiver for single-/multi-mode fibre



Additional versions available


SFP bi-di, single LC connector, 1310nm DFB LD for single-mode fibre

Coretek CT-2500TBP-NB5L-D-VN  

Key features

  • 10km link distance at 3Gb/s
  • Single-fibre, bi-di interface
  • Multi-rate: from 50Mb/s to3Gb/s, NRZ
  • Compliant with SFF-8472 DDMI
  • Supports video pathological patterns for SD-SDI, HD-SDI and 3G-SDI


Also available

SFP bi-di, single LC connector, 1550nm DFB LD for single-mode fibre



Alternative distances and wavelength combinations available

Coretek's expertise in customer-specific design goes back over fifteen years, with many varying form-factor adaptations, including modules with extra electronic functions (such as improved tolerances on diagnostic monitoring) or features (with new PCB designs or layout changes), modifications to the mechanical design, or the addition of special coatings or pigtailing modules.

The flexibility of the modern factory in Zhunan allows custom manufacturing from very small production volumes to large-scale, semi-automated processes.

A selection of some of our more common products

1x9 bi-di, single SC/UPC pigtail, 1550nm FP LD for single-mode fibre

Coretek CT-0155TBR-L25P-F  

Key features

  • 1550nm FP LD
  • 20km link distance over one fibre
  • Data rate: 155Mb/s, NRZ
  • Compliant with 100Base-FX of IEEE802.3u standard, FDDI PMD standard and ATM standard
  • Alternative distances and wavelength combinations available


1x9 bi-di, single SC/UPC pigtail, 1310nm FP LD for single-mode fibre

Coretek_CT-0155TBR-M25P-F  

Key features

  • 1310nm FP LD
  • 20km link distance over one fibre
  • Data rate: 155Mb/s, NRZ
  • Compliant with 100Base-FX of IEEE802.3u standard, FDDI PMD standard and ATM standard
  • Alternative distances and wavelength combinations available


SFP bi-di, single F-3000 connector, 1310nm FP LD for single-mode fibre

Coretek CT-1250TBP-MB4L-D-F3  

Key features

  • 10km distance
  • Data rate: 1.25Gb/s, NRZ
  • Compliant with SFF-8472 DDMI, specifications for IEEE-802.3z Gigabit Ethernet at 1.25Gb/s, and ANSI specifications for fibre-channel applications at 1.06Gb/s
  • Multi-mode and bi-di, single-fibre versions available


1x9, duplex SC connector, 1310nm LED for multi-mode fibre

Coretek CT-0155NTR-M22C-A-x  

Key features

  • 2km distance
  • Data rate: 100-155Mbps, NRZ
  • Industry standard 1x9 output footprint
  • EMI shielding
  • Compliant with 100Base-FX of IEEE802.3u standard, FDDI PMD standard and ATM standard
  • Additional versions available



SFP, duplex LC connector, dual 850nm VCSEL transmitters for multi-mode fibre

Coretek CT-0155NTP-SE2L-E_P4  

Key features

  • 2km working distance
  • Suitable for 50νm and 62.5νm multi-mode fibre
  • Data rate: 155Mb/s, NRZ
  • Compliant with SFF-8472 DDMI, 100Base-FX of IEEE802.3u, FDDI PMD standard and ATM standard
  • Also available as 1Gb/s and 10Gb/s versions


Also available

SFP, duplex LC connector, dual 850nm PD receivers for multi-mode fibre



SFP, duplex LC connector, 1310nm FP LD for single-mode fibre

Coretek CT-1250TSP-MB4L-E-C  

Key features

  • 10km working distance
  • Data rate: 1.25Gb/s, NRZ
  • UL conformal coating – HumiSeal 1B73
  • Compliant with MSA, SFP and SFF-8472 DDMI
  • Compliant with specifications for IEEE-802.3z Gigabit Ethernet at 1.25Gb/s and ANSI specifications for fibre-channel applications at 1.06Gb/s
  • Multi-mode and other form factors available





Coretek's extensive range of datacom and telecom transceivers include the 1x9, GBIC, SFF, SFP, SFP+, XFP and QSFP+.

The data ranges covered include fast Ethernet (100Mb/s) through to fibre channel (40Gb/s). Both commercial and industrial operating temperature ranges are available with reaches from just a few metres up to 200. The use of various technologies for both the TOSA and ROSA allows for a complete product portfolio covering the most common Ethernet (IEEE), fibre channel, SONET/SDH, PON and FTTx standards. CWDM, DWDM and bi-di technologies complement the shorter-haul components, allowing the most flexibility in network configuration.

A selection of some of our more common products

SFP+, 2x bi-di, dual LC connector, 1270nm DML for single-mode fibre

Coretek CP-A04AEAE-E  

Key features

  • 2x bi-di transceivers in SFP+ package
  • CSFP MSA option-2 compliant
  • 1270nm uncooled DML, 1330nm PIN-TIA receiver
  • Data rate: 11.3Gb/s, NRZ
  • Compliant with specifications for IEEE-802.3ae 10GBASE-LR/LW at 10.3125Gb/s
  • Other versions and data-rates available


Also available

SFP+, 2x bi-di, dual LC connector, 1330nm DML for single-mode fibre – 1330nm uncooled DML, 1270nm PIN-TIA receiver


SFF bi-di, single SC connector, 1310nm FP LD for multi-mode fibre

Coretek CT-2500TBF-MB1C-MK  

Key features

  • 300m over multi-mode fibre
  • Multi-rate: from 1.062-2.67Gb/s, NRZ
  • Compliant with MSA, SFF 2x5 footprint
  • Compliant with specifications for IEEE-802.3z Gigabit Ethernet at 1.25Gb/s and ANSI specifications for fibre-channel applications at 1.06Gb/s
  • Single-mode and other form factors available


Also available

SFF bi-di, single SC connector, 1550nm FP LD for multi-mode fibre



SFP, duplex LC connector, 1310nm DFB for single-mode fibre

Coretek CT-4250TSP-NE4L-E-GD  

Key features

  • 10km at 4Gb/s, 20km at 1Gb/s
  • Multi-rate: 1.25-4.25Gb/s, NRZ, with rate select
  • Compliant with SFF-8472 DDMI, ANSI specifications for fibre-channel applications, and specifications for IEEE-802.3z Gigabit Ethernet at 1.25Gb/s
  • Multi-mode and a further single-mode version available

SFP, duplex LC connector, 1310nm LED for multi-mode fibre

Coretek CT-0155NSP-MB2L-D200L  

Key features

  • 2km over multi-mode fibre
  • Multi-rate: 50-266Mb/s, NRZ
  • Compliant with SFF-8472 DDMI
  • Compliant with 100Base-FX of IEEE802.3u, FDDI PMD, ATM and ESCON standards
  • Other form factors available




SFP, duplex LC connector, 1310nm FP LD for multi-mode fibre

Coretek CT-1250TSP-MB2L-E  

Key features

  • 2km for 50μm / 1km for 62.5μm multi-mode fibre
  • Data rate: 1.25Gb/s, NRZ
  • Compliant with SFF-8472 DDMI, specifications for IEEE-802.3z Gigabit Ethernet at 1.25Gb/s, and ANSI specifications for fibre channel applications at 1.06Gb/s
  • Other form factors available

SFP bi-di, single SC connector, 1270nm DFB LD / 1577nm APD

Coretek CT-25A3TGP-IB5C-D  

Key features

  • Tx: 1270nm DFB LD burst mode / Rx: 1577nm APD CW mode
  • Tx upstream: 2.488Gb/s / Rx downstream: 9.953Gb/s
  • Compliant with SFF-8472 DDMI and ITU-T G.987.2 XG-PON N2 class
  • Burst-mode applications
  • Other PON products available




Acal BFi's fibre-optics test and support centre
Acal BFi fibre optic lab

Our technical consultants are highly specialised with over 35 years' experience in fibre optics, and they work closely with Coretek to meet individual customer requirements. At Acal BFi's fibre-optics test and support centre in Berlin, in-depth testing and analysis of your digital transceivers can be performed to ensure optimum performance and usability.



Get in touch

Please get in touch if you would like to find out more about the Coretek product range and customisation, or if you would like to speak to one of our fibre optics experts.



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