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3.2 Packaged Varactor Diodes

Features

  • Mesa and planar chip designs
  • Double-layer dielectric film passivation (L/M Voltage)
  • Glass passivation (H Voltage)
  • Low IL, high Isolation & power handling
  • Reverse voltage: 50V to 3000V
  • Operating frequency: DC to 10GHz
  • I-layer thickness: 5μm to 300μm

Applications

  • RF switches, phase shifters, attenuators
Part
Number
Breakdown
Voltage
VBR   (V)
(IR=10μA)
Min
Total
Cap.
Cj   (pF)
(f=1MHz)
(VR=0.5V)
Typ
Total
Cap.
Cj   (pF)
(f=1MHz)
(VR=1V)
Typ
Total
Cap.
Cj   (pF)
(f=1MHz)
(VR=4V)
Typ
Total
Cap.
Cj   (pF)
(f=1MHz)
(VR=10V)
Typ
Total
Cap.
Cj   (pF)
(f=1MHz)
(VR=20V)
Typ
CT Ratio

RCt
(CT1/CT10)

Typ
Q Value

Q
(f=50MHz)
(VR=4V)
Typ
Forward
Diff. Res.
RDiff   (Ω)
(IF=30mA)
(f=50Hz)
Typ
Package
NDGD210091504.33.41.10.70.74.625612.2
(20mA)
Metal-Ceramic
T209
NDGD210092504.53.61.20.70.74.823722.2
(20mA)
Metal-Ceramic
T209
NDGD210093404.63.71.60.750.554.912003
(20mA)
Metal-Ceramic
T1216
NDGD21000830
(20nA)
108.54.82.31.53.623001.15Metal-Ceramic
T1215
NDGD2100092020.818116.43.42.815001.08Metal-Ceramic
T1215
NDGD2100942543359.143.58.83501.15Metal-Ceramic
W205
NDGD2100952535.530.9123.32.79.32601.18Metal-Ceramic
W202
NDGD2100962553.243.818.85.44.48.22601.11Metal-Ceramic
W304
NDGD21009735
(1μA)
39.933.617.57.43.54.61801.21Metal-Ceramic
T1215
NDGD2100982586.371.736.38.65.18.41301.1Metal-Ceramic
W205
NDGD21001030
(20nA)
595027.58.53.55.91501.11Metal-Ceramic
T1215
NDGD2100993039.725
(-2V)
17.33.82.4
(-25V)
10.5
CT2/CT25
3001.1Glass
DO-7
NDGD210100303418.12.613.7
CT1/CT25
150Metal-Ceramic
ST25
NDGD210101601711428556.5412.55001.05Glass
DO-7
NDGD2100113084.970.531.33.62.7
(28V)
19.6100SMD
SOD323
NDGD2100123079.767.234.384.5
(28V)
8.4100SMD
SOD123
NDGD2101023011.79.95.62.71.23.8200SMD
SC79
NDGD2101035022164.12.72.35.91541SMD
SC79
NDGD21001330
(20nA)
595027.58.53.55.9150SMD
SOD323
NDGD21010430
(20nA)
595027.58.53.55.9150SMD
SC79
NDGD2100143054354.7
(4.7V)
32.7
(28V)
12.7500SMD
SOD323
3.2 Packaged Varactor Diodes(images 1)

IDM

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

3.2 Packaged Varactor Diodes(images 2)

Integration

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

3.2 Packaged Varactor Diodes(images 3)

More Reliable

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

3.2 Packaged Varactor Diodes(images 4)

IDM

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

3.2 Packaged Varactor Diodes(images 5)

Integration

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

3.2 Packaged Varactor Diodes(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;

3.2 Packaged Varactor Diodes(images 7)
3.2 Packaged Varactor Diodes(images 8)
3.2 Packaged Varactor Diodes(images 9)
3.2 Packaged Varactor Diodes(images 10)

Pre-sales: Accelerating Your Design

3.2 Packaged Varactor Diodes(images 11)
3.2 Packaged Varactor Diodes(images 12)

After-sales: Quality & Supply Assurance

3.2 Packaged Varactor Diodes(images 13)

Pre-sales: Accelerating Your Design

3.2 Packaged Varactor Diodes(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

3.2 Packaged Varactor Diodes(images 15)

Manufacturing Excellence & Quality Assurance

3.2 Packaged Varactor Diodes(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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3.2 Packaged Varactor Diodes(images 17)
3.2 Packaged Varactor Diodes(images 18)

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