Astute Electronics is an authorised, franchised distributor for iNRCORE.

iNRCORE is a world-class manufacturer of catalog and custom magnetic components with both domestic and offshore manufacturing facilities. Their products serve the Military, Commercial Aerospace, Manned and Unmanned Space, High-reliability Industrial, Medical, Transportation, and Power-Grid Infrastructure markets across the globe.

For over 70 years, iNRCORE’s experienced engineering teams have offered cutting-edge technical solutions while their manufacturing expertise provides comprehensive production. iNRCORE’s award-winning quality and service will exceed demanding customer expectations – no matter the mission.


• Avionics • Oil
• Medical • Rail
• Mining • Space



Bradley Turner
Passives & Discretes Technical BDM
[email protected]


Power Inductors

Offering a wide variety of inductor sizes and current ratings. Shielded drum core inductors incorporating 4 ruggedized PCB mounting clips have superior performance in applications with shock and vibration requirements. SLIC, SLED and POGO series toroid power inductors have ruggedized construction. Planar inductors meet the demanding requirements for low inductance high DC current.

Common Mode Chokes

SLIC and POGO Series common mode chokes have ruggedized construction to meet MIL-PRF-27 Grade 6 requirements. PulseR offers a wide variety of sizes and current ratings.

Transceiver Modules

Copperhead Series Transceiver Line Interface modules supporting a variety of high-speed applications, including IEEE 1394B Firewire, Fiber channel (over copper), Gigabit Ethernet and Digital Video (SMPTE-292M, HDTV).

It integrates signal amplifier, received equalizer, line filter, and isolation transformer in a single package. The unique hybrid device buffers, reconditions, and isolates a high-speed data line for high reliability applications at speeds up to 2.125Gbps.

MIL-STD-1553 Data Bus Couplers

MIL-STD-1553 Data Bus Couplers developed for bench test applications. They integrate MIL-STD-1553 transformers per MIL-PRF-21038/27 and 58.5 Ω non-inductive resistors. PulseR’s couplers are available in 1, 2, 3 or 4 stubs.


High frequency baluns designed for SMPTE-292M and SMPTE-424M/425M applications, as well as standard testing equipment. They transform 50Ω / 75Ω grounded unbalanced signals to 100Ω /150Ω balanced differential signals and vice versa. Discrete surface mounting components and connectorized modules are available.

Delay Lines

Non-QPL, QPL passive delay lines per MIL-PRF-83531, and QPL active delay lines per MIL-PRF-83532. Standard total delay values range from 25nS to 500nS and tap delay values from 5nS to 100nS. SIP, DIP, SMT Packages are available.


Gate Drive Transformers

Gate drive transformers ruggedized to meet MIL-PRF-27 Grade 5 requirements. PulseR offers Functional and Basic insulation. Reinforced insulation is available upon request.

Current Sense Transformers

Current sense transformers with an additional clip for secure core halves bonding. Current ratings of 10A and 20A are available.

Planar Transformers

Planar transformers incorporating 2 additional clips for secure board mounting, which have superior performance in applications with shock and vibration requirements. PulseR can provide custom design services, as well as perform specialized screening and qualification testing.

Switch Mode Power Transformers

Custom wire wound transformers for a variety of different applications, including (but not limited to) 50/60Hz, 400Hz, and switching mode power supply.

Ethernet Transformers

Discrete Ethernet Transformers ruggedized in transfer molding or pour-filled construction to meet MIL-PRF-21038 environmental requirements. They support various Ethernet protocols, including AFDX (Avionics Full Duplex Switched Ethernet), TTE (Time-Triggered Ethernet), and IEEE 802.3x – including PoE (Power over Ethernet).

MIL-STD-1553 Transformers

QPL and Non-QPL MIL-STD-1553 transformers – designed, built, and tested to MIL-PRF-21038, and they support all major 1553 transceivers with short stubbed and/or long stubbed communication via a MIL-STD-1553 data bus. PulseR has the most complete MIL-STD-1553 transformer line on the market, with various packages, configurations, and product testing levels available.

Data Isolation Transformers

Copperhead Series Data Isolation Transformers which support a variety of data transmission and receiving applications. The data rate ranges from 1 Mbps up to 3.2 Gbps. These parts integrate single or dual transformer in one compact package.

Downloads & Resources

Product Catalogue

Signal products, Power products and Custom services

Click to download PDF

iNRCORE Signal

Signal products overview

Click to download PDF

iNCORE Power

Power products overview

Click to download PDF