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3.4 GaAs Constant Gamma Tuning Varactors

Features

  • Abrupt junction with constant γ design (γ ≈ 0.5, 1.0, 1.25)
  • Microstrip/coaxial metal-ceramic packages for high-reliability applications
  • High Q-factor and high capacitance ratio
  • Customizable packaging options

Applications

Microwave circuits up to 40 GHz:

  • Low-order frequency multipliers
  • Up/Down converters
  • VCOs, phase shifters, and filters
Part
Number
Package
Type
γ ValueBreakdown
Voltage
VBR   (V)
(IR=10μA)

Min
Reverse
Current
IR   (nA)
(VR=16V)

Max
Junction
Cap.
CJ0   (pF)
(f=1MHz)
(VR=0V)
Min
Junction
Cap.
CJ0   (pF)
(f=1MHz)
(VR=0V)
Max
Junction
Cap. Ratio
RCj

(Cj0/Cj20)
Min
Q Value

Q
(f=9.375GHz)
(VR=4V)
Min
Cutoff
Freq.
fC6   (GHz)
(f=9.375GHz)
(VR=6V)
Min
Package

NDGD210116Metal-Ceramic0.520500.080.2100W205
NDGD210117Metal-Ceramic0.515100  (12V)0.10.220T129
NDGD210118Metal-Ceramic0.5201000.350.65200T209
NDGD210119Metal-Ceramic0.520500.50.7538W205
NDGD210120Metal-Ceramic0.520500.75135W205
NDGD210121Metal-Ceramic0.5205011.53.24W205
NDGD210122Metal-Ceramic0.520501.523.53.5W205
NDGD210123Metal-Ceramic0.52050233.53W205
NDGD210124Metal-Ceramic1201000.6 (CT0)12.950 (4V)W205
NDGD210125Metal-Ceramic1201001 (CT0)1.5 (CT0)3.550 (4V)W205
NDGD210126Metal-Ceramic1201001.5 (CT0)2.5 (CT0)4.250 (4V)W205
NDGD210127Metal-Ceramic1201002.5 (CT0)45.350 (4V)W205
NDGD210128Metal-Ceramic1201002.5 (CT0)3.5 (CT0)4.72000T129
NDGD210129Metal-Ceramic1201003.5 (C(CT0)5 (CT0)5.72000T129
NDGD210130Metal-Ceramic1201005 (CT0)7 (CT0)6.32000T129
NDGD210131Metal-Ceramic11550 (12V)0.5 (Cj0)1.0 (Cj0)4.5 (Cj0/Cj15)50T182
NDGD210132Metal-Ceramic11550 (12V)1.0 (Cj0)2.0 (Cj0)5.5 (Cj0/Cj15)50T182
NDGD210133Metal-Ceramic11550 (12V)2.0 (Cj0)3.0 (Cj0)6.5 (Cj0/Cj15)50T182
NDGD210134Metal-Ceramic11550 (12V)3.0 (Cj0)5.0 (Cj0)7.5 (Cj0/Cj15)50T182
NDGD210135Metal-Ceramic1201001 (CT0)1.5 (CT0)4.585 (4V)W202
NDGD210136Metal-Ceramic1201001.2 (CT0)2 (CT0)4.550 (4V)W202
NDGD210062Metal-Ceramic122100 (18V)0.4 (CT4)0.6 (CT4)2.0 (CT2/CT20)4000T2013
NDGD210063Metal-Ceramic122100 (18V)0.6 (CT4)0.9 (CT4)2.9 (CT2/CT20)4000T2013
NDGD210064Metal-Ceramic122100 (18V)0.9 (CT4)1.3 (CT4)3.6 (CT2/CT20)3000T2013
NDGD210065Metal-Ceramic122100 (18V)1.3 (CT4)1.7 (CT4)3.8 (CT2/CT20)3000T2013
NDGD210066Metal-Ceramic122100 (18V)1.7 (CT4)2.0 (CT4)4.1 (CT2/CT20)3000T2013
NDGD210137Metal-Ceramic1225000.4 (CT4)0.7 (CT4)2.5 (CT2/CT20)1500T129
NDGD210138Metal-Ceramic1225000.7 (CT4)1.0 (CT4)3.0 (CT2/CT20)1000T129
NDGD210139Metal-Ceramic1225001.0 (CT4)1.4 (CT4)4.0 (CT2/CT20)1000T129
NDGD210140Metal-Ceramic1225001.4 (CT4)1.8 (CT4)4.0 (CT2/CT20)500T129
NDGD210141Metal-Ceramic1225001.8 (CT4)2.3 (CT4)4.0 (CT2/CT20)500T129
NDGD210142Metal-Ceramic130100 (24V)11 (Cj0)13 (Cj0)8.0 (CT2/CT20)10W202
NDGD210143Metal-Ceramic122100 (18V)0.5 (CT4)1.5 (CT4)4.5 (CT2/CT20)3000 (TYP)T1216
NDGD210144Metal-Ceramic1201002.5(CT0)4 (CT0)5.31000W205
NDGD210059Metal-Ceramic1.2522100 (18V)0.4 (CT4)0.6 (CT4)2.2 (CT2/CT20)4000 (50MHz)T2013
NDGD210060Metal-Ceramic1.2522100 (18V)0.6 (CT4)0.9 (CT4)3.6 (CT2/CT20)4000 (50MHz)T2013
NDGD210061Metal-Ceramic1.2522100 (18V)0.9 (CT4)1.3 (CT4)4.8 (CT2/CT20)3000 (50MHz)T2013
NDGD210076SMD122500 (18V)3.5 (CT4)4.0 (CT4)4.0 (CT2/CT20)2000 (50MHz)SOD523/SC79
NDGD210077SMD122500 (18V)4.0 (CT4)5.0(CT4)5.0 (CT2/CT20)1500 (50MHz)SOD523/SC79
NDGD210067SMD1.2522500 (18V)0.3 (CT4)0.6 (CT4)3.0 (CT2/CT20)4000 (50MHz)SOD523/SC79
NDGD210068SMD1.2522500 (18V)0.6 (CT4)0.9 (CT4)4.5 (CT2/CT20)4000 (50MHz)SOD523/SC79
NDGD210069SMD1.2522500 (18V)1.1 (CT4)1.4 (CT4)5.0 (CT2/CT20)3000 (50MHz)SOD523/SC79
NDGD210070SMD1.2522500 (18V)1.4 (CT4)1.7 (CT4)6.0 (CT2/CT20)3000 (50MHz)SOD523/SC79
NDGD210071SMD1.2522500 (18V)2.1 (CT4)3.5 (CT4)7.0 (CT2/CT20)2000 (50MHz)SOD523/SC79
NDGD210072SMD1.2522500 (18V)3.0 (CT4)3.5 (CT4)7.0 (CT2/CT20)2000 (50MHz)SOD523/SC79
NDGD210073SMD1.2522500 (18V)3.5 (CT4)4.0 (CT4)7.0 (CT2/CT20)2000 (50MHz)SOD523/SC79
NDGD210074SMD1.2522500 (18V)6.2 (CT4)7.5 (CT4)7.5 (CT2/CT20)1500 (50MHz)SOD523/SC79
NDGD210075SMD1.2522500 (18V)7.5 (CT4)8.5 (CT4)8.5 (CT2/CT20)1500 (50MHz)SOD523/SC79
3.4 GaAs Constant Gamma Tuning Varactors(images 1)

IDM

Full IDM capability covering epitaxy, wafer, packaging,
ensuring stable supply and consistent performance.

3.4 GaAs Constant Gamma Tuning Varactors(images 2)

Integration

Proprietary Si/GaAs/GaN technologies, with products spanning DC to
100 GHz for high-power, high-efficiency applications.

3.4 GaAs Constant Gamma Tuning Varactors(images 3)

More Reliable

Strong customization and system-level design, providing
one-stop solutions from bare die to SIP & microsystems.

3.4 GaAs Constant Gamma Tuning Varactors(images 4)

IDM

Full IDM capability covering epitaxy, wafer, packaging,
ensuring stable supply and consistent performance.

3.4 GaAs Constant Gamma Tuning Varactors(images 5)

Integration

Proprietary Si/GaAs/GaN technologies, with products spanning DC to
100 GHz for high-power, high-efficiency applications.

3.4 GaAs Constant Gamma Tuning Varactors(images 6)

More Reliable

Strong customization and system-level design, providing
one-stop solutions from bare die to SIP & microsystems.

RF & mm Wave Design Engineers

Pursue ultra-low parasitics & signal integrity for 100 GHz+ applications.

Test Instrument Architects

Need ultra-stable, low-noise RF components for precision test & measurement systems.

Power Electronics Designers

Seek high-efficiency SiC/Si devices for EV & industrial power systems.

Optoelectronics R&D Teams

Need high-performance OLED microdisplays & photodetectors for AR/VR & night vision.

RF & mm Wave Design Engineers

Pursue ultra-low parasitics & signal integrity for 100 GHz+ applications.

Test Instrument Architects

Need ultra-stable, low-noise RF components for precision test & measurement systems.

Power Electronics Designers

Seek high-efficiency SiC/Si devices for EV & industrial power systems.

Optoelectronics R&D Teams

Need high-performance OLED microdisplays & photodetectors for AR/VR & night vision.

Storage & Environment

Store in N2 cabinets/Gel-Pak; operate in Class 10,000 cleanroom.

ESD Precautions

ESD sensitive; grounded wrist straps and workstations required.

Handling & Pick-up

No metal tweezers on chip body; use vacuum tools or ESD-safe plastic tweezers on leads only.

Assembly & Bonding

Thermocompression: Stage 150℃ / Tool 250℃; precise force control.

Storage & Environment

Store in N2 cabinets/Gel-Pak; operate in Class 10,000 cleanroom.

ESD Precautions

ESD sensitive; grounded wrist straps and workstations required.

Handling & Pick-up

No metal tweezers on chip body; use vacuum tools or ESD-safe plastic tweezers on leads only.

Assembly & Bonding

Thermocompression: Stage 150℃ / Tool 250℃; precise force control.

Construction & Compliance

Parts & Materials /
Composition

Built with Precision, Engineered for Performance.” NEDITEK’s GaAs/GaN RF/mmWave chips feature optimized material architectures: GaAs devices deliver stable 100 GHz+ performance via gold metallization, semi-insulating GaAs substrates, and silicon nitride/glass passivation;

3.4 GaAs Constant Gamma Tuning Varactors(images 7)
3.4 GaAs Constant Gamma Tuning Varactors(images 8)
3.4 GaAs Constant Gamma Tuning Varactors(images 9)
3.4 GaAs Constant Gamma Tuning Varactors(images 10)

Pre-sales: Accelerating Your Design

3.4 GaAs Constant Gamma Tuning Varactors(images 11)
3.4 GaAs Constant Gamma Tuning Varactors(images 12)

After-sales: Quality & Supply Assurance

3.4 GaAs Constant Gamma Tuning Varactors(images 13)

Pre-sales: Accelerating Your Design

3.4 GaAs Constant Gamma Tuning Varactors(images 14)

After-sales: Quality & Supply Assurance

01 How does NEDITEK ensure consistent quality across diverse product portfolios (including RF/mmWave, power electronics, and OLED microdisplay devices)?

NEDITEK employs a unified, high-standard quality management system (QMS) tailored to semiconductor manufacturing, covering silicon-based ICs, GaAs/GaN RF devices, power electronics (SiC/Silicon), and OLED microdisplays. We implement strict process control and traceability systems across the entire IDM chain—from epitaxy and wafer fabrication to metallization, packaging, and final testing. By standardizing core processes and leveraging automated inspection platforms, we guarantee consistent performance, reliability, and dimensional accuracy across all product categories, meeting the stringent requirements and consumer applications.

02 What quality and reliability standards do NEDITEK’s products comply with to support mission-critical and industrial applications?

All NEDITEK products, including power semiconductors (SiC/GaN MOSFETs/SBDs) and multi-functional silicon ICs, comply with widely recognized international industry standards and high-grade quality requirements for demanding applications. We perform comprehensive reliability validation customized for each product category: power devices are tested under high-temperature reverse bias (HTRB), high-humidity conditions, and dynamic stress to ensure high efficiency and long-term operational stability; silicon-based multi-functional chips are verified for wide environmental adaptability and consistent signal performance. Adherence to ISO, IATF, and industrial-grade quality standards ensures reliable performance in harsh industrial, automotive, and high-reliability commercial environments.

03 How does NEDITEK maintain manufacturing precision and yield for high-value products?

NEDITEK maintains exceptional manufacturing precision and high, stable yields for high-value products including RF devices, power semiconductors, silicon-based multi-functional ICs and OLED microdisplays. We operate in strictly controlled cleanroom environments, implement real-time statistical process control, conduct full-process in-line testing and full-lifecycle traceability, and apply AI-driven quality optimization to minimize variations, eliminate defects, and ensure consistent performance across every batch.

04 What advanced testing and failure analysis (FA) capabilities does NEDITEK have to support product development and customer projects?

NEDITEK has built a comprehensive testing & FA laboratory covering all product lines. We provide full electrical parameter testing (including S-parameters, power characteristics, and display performance), environmental stress testing (temperature cycling, vibration, radiation), and advanced failure analysis (scanning electron microscopy, X-ray inspection, thermal analysis). Our professional engineering team delivers detailed FA reports and corrective action plans, helping customers quickly resolve design-in and manufacturing issues—accelerating R&D iteration and ensuring product robustness.

05 How does NEDITEK ensure supply chain stability and quality traceability for high-volume, long-cycle projects across all product categories?

As a vertical IDM manufacturer, NEDITEK controls the entire supply chain from substrate procurement to final production, eliminating third-party dependency risks. We implement end-to-end traceability systems for every batch of wafers, components, and finished products, enabling full lifecycle tracking. For high-volume and long-cycle projects, we maintain buffer stock planning, PCN/EOL lifecycle management, and flexible production scheduling. This ensures uninterrupted supply, on-time delivery, and consistent quality across silicon, RF, power electronics, and microdisplay product lines.

06 What process optimizations does NEDITEK apply to balance performance, miniaturization, and reliability?

NEDITEK leverages proprietary process integration technologies to optimize performance, size, and reliability. We adopt advanced packaging solutions (such as SIP and system-level integration) for multi-functional chips to reduce footprint while enhancing signal processing efficiency; for power devices, we optimize SiC wafer processes and thermal management designs to achieve high power density, low loss, and excellent heat dissipation. These optimizations ensure our power products meet the strict size, efficiency, and reliability requirements of compact industrial systems, automotive electronics, and other high quality platforms.

Manufacturing Excellence & Quality Assurance

3.4 GaAs Constant Gamma Tuning Varactors(images 15)

Manufacturing Excellence & Quality Assurance

3.4 GaAs Constant Gamma Tuning Varactors(images 16)
01 How does NEDITEK ensure consistent quality across diverse product portfolios (including RF/mmWave, power electronics, and OLED microdisplay devices)?

NEDITEK employs a unified, high-standard quality management system (QMS) tailored to semiconductor manufacturing, covering silicon-based ICs, GaAs/GaN RF devices, power electronics (SiC/Silicon), and OLED microdisplays. We implement strict process control and traceability systems across the entire IDM chain—from epitaxy and wafer fabrication to metallization, packaging, and final testing. By standardizing core processes and leveraging automated inspection platforms, we guarantee consistent performance, reliability, and dimensional accuracy across all product categories, meeting the stringent requirements and consumer applications.

02 What quality and reliability standards do NEDITEK’s products comply with to support mission-critical and industrial applications?

All NEDITEK products, including power semiconductors (SiC/GaN MOSFETs/SBDs) and multi-functional silicon ICs, comply with widely recognized international industry standards and high-grade quality requirements for demanding applications. We perform comprehensive reliability validation customized for each product category: power devices are tested under high-temperature reverse bias (HTRB), high-humidity conditions, and dynamic stress to ensure high efficiency and long-term operational stability; silicon-based multi-functional chips are verified for wide environmental adaptability and consistent signal performance. Adherence to ISO, IATF, and industrial-grade quality standards ensures reliable performance in harsh industrial, automotive, and high-reliability commercial environments.

03 How does NEDITEK maintain manufacturing precision and yield for high-value products?

NEDITEK maintains exceptional manufacturing precision and high, stable yields for high-value products including RF devices, power semiconductors, silicon-based multi-functional ICs and OLED microdisplays. We operate in strictly controlled cleanroom environments, implement real-time statistical process control, conduct full-process in-line testing and full-lifecycle traceability, and apply AI-driven quality optimization to minimize variations, eliminate defects, and ensure consistent performance across every batch.

04 What advanced testing and failure analysis (FA) capabilities does NEDITEK have to support product development and customer projects?

NEDITEK has built a comprehensive testing & FA laboratory covering all product lines. We provide full electrical parameter testing (including S-parameters, power characteristics, and display performance), environmental stress testing (temperature cycling, vibration, radiation), and advanced failure analysis (scanning electron microscopy, X-ray inspection, thermal analysis). Our professional engineering team delivers detailed FA reports and corrective action plans, helping customers quickly resolve design-in and manufacturing issues—accelerating R&D iteration and ensuring product robustness.

05 How does NEDITEK ensure supply chain stability and quality traceability for high-volume, long-cycle projects across all product categories?

As a vertical IDM manufacturer, NEDITEK controls the entire supply chain from substrate procurement to final production, eliminating third-party dependency risks. We implement end-to-end traceability systems for every batch of wafers, components, and finished products, enabling full lifecycle tracking. For high-volume and long-cycle projects, we maintain buffer stock planning, PCN/EOL lifecycle management, and flexible production scheduling. This ensures uninterrupted supply, on-time delivery, and consistent quality across silicon, RF, power electronics, and microdisplay product lines.

06 What process optimizations does NEDITEK apply to balance performance, miniaturization, and reliability?

NEDITEK leverages proprietary process integration technologies to optimize performance, size, and reliability. We adopt advanced packaging solutions (such as SIP and system-level integration) for multi-functional chips to reduce footprint while enhancing signal processing efficiency; for power devices, we optimize SiC wafer processes and thermal management designs to achieve high power density, low loss, and excellent heat dissipation. These optimizations ensure our power products meet the strict size, efficiency, and reliability requirements of compact industrial systems, automotive electronics, and other high quality platforms.

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3.4 GaAs Constant Gamma Tuning Varactors(images 17)
3.4 GaAs Constant Gamma Tuning Varactors(images 18)

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