FAQ

What is Teledyne HiRel Electronics?

• Teledyne HiRel Electronics, operating as Teledyne HiRel Electronics, is a Teledyne Defense Electronics company specializing in high-reliability and radiation-tolerant semiconductors.

• The portfolio spans RF and microwave components, power ICs, GaN devices, signal chain and analog ICs, logic, interface, and memory for space, defense, and avionics applications.

• Headquartered in Milpitas, California, with a microelectronics assembly facility in Lewisburg, Tennessee, Teledyne HiRel operates as a DOD DMEA Trusted Supplier.
  
   

What qualification levels are available for Teledyne HiRel products?

• Products are available from standard screened catalog parts through full QML-V hermetic qualification.

• Applicable standards include MIL-PRF-38534 Class H, MIL-PRF-38535 Class B, Q, and V, MIL-STD-750, and MIL-STD-883.

• Space COTS qualification is available for programs with shorter mission durations or lower radiation requirements.

• Custom SCD flows can be developed to tailor screening steps to specific program reliability and cost objectives.
  
   

What radiation tolerance data is available for space-grade products?

• Space-grade products are supported by Total Ionizing Dose test reports addressing space reliability requirements.

• TID test reports are available on request for applicable catalog products.

• For programs with specific radiation exposure requirements, custom qualification sequences can incorporate radiation test steps.

• GaN and UltraCMOS Silicon on Sapphire technologies provide inherent radiation tolerance advantages for applicable product families.
  
   

Can Teledyne HiRel qualify or screen customer-furnished devices?

• Yes. Teledyne HiRel's qualification and test capabilities apply to customer-furnished wafers and packaged devices.

• Services include packaging, test board design, ATE-based production testing, and qualification flow development.

• High-volume production testing has been performed at rates of several thousand devices per month.

• Sample testing of commercial parts to verify continued suitability is also available.
  
   

How does Teledyne HiRel address component obsolescence?

• Teledyne HiRel maintains a wafer bank of hard-to-find and obsolete components from manufacturers that have exited the market.

• Platform extension services include repackaging die, building interposers to fit legacy PCB footprints, and complete IC resurrection.

• The ability to redesign parts and have new wafers fabricated enables beyond end-of-life support.

• Over 50 years of microelectronics assembly experience at the Lewisburg, Tennessee DOD Trusted Supplier facility supports these services.
  
   

What product categories does the Teledyne HiRel portfolio cover?

• RF and microwave: RF switches, digital step attenuators, prescalers, GaN power amplifiers, PLL synthesizers, LNAs, mixers, limiters, gain blocks, driver amplifiers, and frequency multipliers.

• Power: GaN HEMTs, DC-DC converters, GaN gate drivers, GaN power modules, Point-of-Load regulators, and high-reliability power modules.

• Signal chain and analog: op-amps, comparators, voltage regulators, and multi-vibrators.

• Memory: SRAM, PROM, CBRAM, DDR, FIFO, and multi-chip memory modules.

• Radiation Dosimeters: UDOS001/007 Micro Dosimeters for in-flight TID measurement.
  
   

What assembly and packaging formats does Teledyne HiRel offer?

• Packaging formats include ceramic, plastic encapsulated, and metal/AlSiC with standard types including DIP, Flatpack, QFP, QFN, PLCC, BGA, PGA, and SMD.

• Advanced manufacturing capabilities include flip chip, wire bonding, underfill, and die stacking for multi-chip and hybrid module integration.

• Bare die and flip chip die formats are available for integration into customer-designed modules.
  
   

What markets and applications does Teledyne HiRel serve?

• Space: satellites, launch vehicles, and deep-space missions requiring radiation-tolerant, long-life semiconductors.

• Defense and avionics: radar, electronic warfare, guidance systems, and avionics requiring qualified RF and power components.

• Industrial and nuclear: high-reliability applications requiring long-service-life, qualified components.

• Military platform sustainment: programs dependent on legacy components from manufacturers that have exited the market.
  
  

Teledyne HiRel Electronics: Full Portfolio Overview

Engineers and procurement teams sourcing high-reliability semiconductors for space and defense programs require a supplier with the breadth of product coverage, qualification infrastructure, and long-term supply commitment to support demanding programs from development through sustainment. Teledyne HiRel Electronics provides all of these across its full product portfolio.

Understanding Hi-Rel Qualification Tiers

• Space COTS: cost-effective space qualification for programs with shorter mission durations or lower radiation environments; suitable for LEO constellations and commercial space

• Class B (MIL-PRF-38535): standard military qualification for general defense system integration

• Class Q (MIL-PRF-38535): enhanced screening with additional steps for higher-reliability defense and space applications

• Class V / QML-V (MIL-PRF-38535): highest qualification tier including hermetic packaging and full QML program compliance for critical long-duration space missions

• Class H (MIL-PRF-38534): qualification for hybrid microcircuits assembled in multi-chip module configurations

• MIL-STD-883: test method standard governing electrical and environmental test procedures for microelectronic devices

• Custom SCD: program-specific qualification flows agreed with Teledyne HiRel to align screening rigor with program cost, schedule, and reliability objectives

Teledyne HiRel RF and Microwave Product Highlights

The RF product line includes UltraCMOS-based RF switches with IIP3 up to 60 dBm and frequency coverage to 60 GHz; PE97240 and PE97640 PLL synthesizers with normalized phase noise of -230 and -225 dBc/Hz; TDLNA low noise amplifiers from 400 MHz to 31.5 GHz; PE94302 digital step attenuator with 52 dBm IIP3; TDGB010 MMIC gain blocks from 100 MHz to 10 GHz; and GaN power amplifiers delivering up to four times higher power density than legacy alternatives.

Teledyne HiRel Power Device Capabilities

Power device offerings include GaN HEMT solutions using GaN Systems leading-edge technology enabling up to four times higher power density, Peregrine RF-based Point-of-Load regulators with outstanding radiation performance, DC-DC converters and signal processors for space power bus architectures, and multi-chip hybrid power modules assembled at the Lewisburg DOD Trusted Supplier facility. Power device testing capability extends to 200 A pulsed and 30 kV.

Radiation Dosimeter Product Highlights

The UDOS001 and UDOS007 Micro Dosimeters are compact hybrid microcircuits measuring total ionizing dose up to 40 krad(Si) with 15 urad(Si) resolution. Patented flat energy response architecture provides repeatable TID measurement across electrons, protons, and gamma rays. The 20-gram hermetic package connects directly to spacecraft housekeeping ADC inputs. Class H-equivalent MIL-PRF-38534 screening is available.

Banked Parts and Platform Sustainment

• Legacy analog ICs: op-amps, comparators, voltage regulators, multi-vibrators from manufacturers that have exited the hi-rel market

• Interface ICs: bus transceivers, line drivers, peripheral drivers, microprocessor interfaces

• Logic: standard logic, CMOS, bipolar, and programmable logic devices

• Memory: CBRAM, MCM, DDR, FIFO, PROM, SRAM -- hard-to-find and obsolete types

Key Search Terms

• rad-hard semiconductors; radiation-tolerant ICs; radiation-hardened components; space-qualified semiconductors

• high-reliability semiconductors; hi-rel components; QML-qualified ICs; MIL-PRF-38535 Class V

• space-grade RF switches; GaN power devices for space; UltraCMOS space products; GaN HEMT space

• obsolete military components; legacy IC sourcing; platform sustainment; wafer bank semiconductor

• custom SCD qualification; tailored screening flow; customer-furnished device qualification; Space COTS