Silicon NTC FREDs

NEDITEK’s NTC (Negative Temperature Coefficient) Fast Recovery Epitaxial Diodes adopt negative temperature coefficient design, achieving low high-temperature loss and stable efficiency for high-temperature operating power conversion systems.

Features

Low high-temperature power dissipation
Ultra-fast soft recovery performance
Excellent high-temperature long-term stability
Negative temperature coefficient voltage characteristics

Applications

High-temperature industrial power converters
EV & thermal harsh-environment power modules
High-frequency inverter circuits
Aerospace high-temperature power electronics

Part Number	I_FAV (A)	V_RRM (V)	I_{R_Max}@V_R (µA)	I_FSM (A)	T_rr^a_{_Max} (ns)	T_rr^a_{_Typ} (ns)	T_rr^b_{_Typ} (ns)	V_{F_Max}@I_F (V)	V_{F_Typ}@I_F (V)	Dimensions (µm × µm)	Dimensions (mil)
NDGY01001	2 1	200	2	20	20	15	15	0.9 0.85	0.87 0.82	1035*1035	40
NDGY01002	6 3	200	2	60	25	15	19	0.975 0.875	0.91 0.85	1490*1490	58
NDGY01003	8 4	200	2	80	25	16	20	0.975 0.875	0.91 0.85	1690*1690	66
NDGY01004	8 4	200	2	80	25	16	20	0.975 0.875	0.91 0.85	2270*2270	89
NDGY01005	10 5	200	2	100	25	18	22	0.975 0.875	0.91 0.85	1840*1840	72
NDGY01006	15	200	2	150	35	20	24	0.975	0.91	2190*2190	86
NDGY01007	15	200	2	150	25	18	22	1.05	0.96	2190*2190	86
NDGY01008	20	200	2	200	30	21	25	1.05	0.98	2390*2730	94*107
NDGY01009	20	200	2	200	30	21	25	1.05	0.95	2390*2730	94*107
NDGY01010	20	200	2	200	30	22	26	1.05	0.98	2680*2680	105
NDGY01011	25	200	2	250	30	23	27	1.05	0.98	2830*2830	111
NDGY01012	35	200	2	350	35	27	31	1.05	0.98	3340*3340	131
NDGY01013	40	200	2	400	40	30	34	1.05	0.98	4030*4030	158
NDGY01014	100	200	5	1000	70	55	45	1.05	0.98	5460*5460	215
NDGY01015	5	300	2	50	25	19	23	1.3	1.3	1690*1690	66
NDGY01016	8	300	2	80	15	13	10	2	1.7	1840*1840	72
NDGY01017	10	300	2	100	25	19	23	1.3	1.1	2190*2190	86
NDGY01018	25	300	2	250	40	31	27	1.2	0.95	3430*3430	135
NDGY01019	30	300	2	300	40	32	28	1.2	0.95	4030*4030	158
NDGY01020	30	300	2	300	35	29	25	1.3	1.05	4030*4030	158
NDGY01021	45	300	5	450	55	40	35	1.2	1	4800*4800	189
NDGY01022	80	300	5	800	60	50	44	1.3	1.1	5460*5460	215
NDGY01023	5	400	2	50	30	22	26	1.3	1.12	1380*1380	53
NDGY01024	5	400	2	50	30	22	26	1.3	1.1	1500*1500	59
NDGY01025	8	400	2	80	30	24	28	1.3	1.15	1640*1640	64
NDGY01026	10	400	2	100	35	27	24	1.3	1.12	2030*2030	80
NDGY01027	10	400	2	100	30	25	22	1.3	1.15	1840*1840	72
NDGY01028	15	400	2	150	35	27	24	1.35	1.15	2230*2230	88
NDGY01029	20 10	400	2	200	30	22	19	1.6 1.35	1.33 1.13	3030*3030	119
NDGY01030	40	400	5	400	40	31	27	1.35	1.15	3000*5400	118*212
NDGY01031	40	400	5	400	40	31	27	1.45	1.2	4000*4000	157
NDGY01032	60	400	5	600	55	42	36	1.45	1.25	5460*5460	215
NDGY01033	75	400	10	750	80	70	45	1.35	1.1	6600*6600	260
NDGY01034	4	600	2	40	35	25	21	1.55	1.3	1420*1420	56
NDGY01035	5	600	2	50	35	26	22	1.55	1.3	1550*1550	61
NDGY01036	8 4	600	2	80	35	27	23	1.55 1.45	1.3 1.18	1830*1830	72
NDGY01037	8	600	10	80	25	15	15	2.3	1.9	1830*1830	72
NDGY01038	8	600	10	80	25	16	16	2.3	1.9	2030*2030	80
NDGY01039	8	600	2	80	35	27	23	1.55	1.3	2030*2030	80
NDGY01040	10	600	2	100	35	27	23	1.55	1.3	2230*2230	88
NDGY01041	10	600	10	100	25	17	17	2.3	1.9	2230*2230	88
NDGY01042	10	600	10	100	30	22	20	1.8	1.55	2190*2190	88
NDGY01043	12	600	10	120	35	28	24	1.6	1.3	2600*2600	102
NDGY01044	15	600	2	150	40	28	25	1.55	1.3	3030*3030	119
NDGY01045	15	600	10	150	30	24	21	2.3	1.9	3030*3030	119
NDGY01046	20	600	2	200	45	35	30	1.6	1.3	3400*3400	134
NDGY01047	20	600	2	200	45	35	30	1.6	1.3	2800*3800	110*150
NDGY01048	30	600	2	300	50	37	32	1.55	1.3	3300*5200	130*205
NDGY01049	30	600	2	300	50	37	32	1.6	1.3	3300*5200	130*205
NDGY01050	30	600	10	300	40	29	24	2.3	1.9	3300*5200	130*205
NDGY01051	40	600	5	400	60	48	43	1.55	1.3	4030*5530	158*218
NDGY01052	60	600	10	600	75	60	35	1.45	1.25	5800*5800	228
NDGY01053	60	600	10	600	65	53	32	1.8	1.55	5800*5800	228
NDGY01054	60	600	10	600	70	58	35	2.3	1.9	5800*5800	228
NDGY01055	75	600	10	750	85	70	38	1.45	1.25	6600*6600	260
NDGY01056	75	600	10	750	75	60	34	1.8	1.55	6600*6600	260
NDGY01057	100	600	20	1000	110	75	60	1.45	1.25	9800*6500	386*256
NDGY01058	2	650	2	20	35	25	21	1.8	1.4	1150*1150	45
NDGY01059	4	650	2	40	35	25	23	1.8	1.5	1420*1420	59*59
NDGY01060	8	650	2	80	35	27	23	1.8	1.5	1830*1830	72
NDGY01061	8	650	2	80	35	27	23	1.8	1.45	2000*2000	79*79
NDGY01062	10	650	2	100	35	27	24	1.8	1.4	2230*2230	88
NDGY01063	10	650	2	100	35	27	24	1.8	1.45	2200*2200	87
NDGY01064	12	650	2	120	35	28	24	1.8	1.55	2600*2600	102
NDGY01065	15	650	2	150	40	28	25	1.8	1.55	3030*3030	119
NDGY01066	15	650	5	150	40	28	25	1.8	1.55	3000*3000	118*118
NDGY01067	20	650	5	200	45	35	30	1.8	1.4	3400*3400	134*134
NDGY01068	30	650	2	300	70	55	–	1.55	1.3	3300*5200	130*205
NDGY01069	30	650	2	300	55	42	33	1.8	1.55	3300*5200	130*205
NDGY01070	30	650	5	300	55	42	33	1.8	1.55	3300*5200	130*205
NDGY01071	40	650	5	400	65	50	45	1.8	1.55	4000*5500	157*216
NDGY01072	50	650	5	500	75	55	–	1.8	1.55	5000*5000	197
NDGY01073	60	650	10	600	85	65	38	1.55	1.3	5800*5800	228
NDGY01074	60	650	10	600	80	58	35	1.8	1.55	5800*5800	228
NDGY01075	60	650	5	600	85	65	–	1.55	1.35	5800*5800	229*229
NDGY01076	60	650	5	600	80	58	35	1.8	1.45	5800*5800	229*229
NDGY01077	75	650	10	750	90	75	42	1.55	1.3	6600*6600	260
NDGY01078	75	650	10	750	85	65	38	1.8	1.55	6600*6600	260
NDGY01079	75	650	5	750	85	65	38	1.8	1.55	6580*6580	259
NDGY01080	100	650	20	1000	110	77	63	1.55	1.3	9800*6500	386*256
NDGY01081	100	650	20	1000	100	75	60	1.8	1.55	9800*6500	386*256
NDGY01082	150	650	20	1500	150	100	60	1.8	1.55	9000*9000	354
NDGY01083	8	800	2	80	45	29	28	2	1.7	2030*2030	80
NDGY01084	30	1000	10	300	55	38	26	3	2.5	3130*6530	123*257
NDGY01085	6	1200	2	60	45	33	29	2.4	2	2200*2200	87
NDGY01086	8	1200	2	80	50	38	28	2.4	2	2480*2480	98
NDGY01087	8	1200	2	80	40	26	23	3.3	2.8	2480*2480	98
NDGY01088	10	1200	2	100	55	40	30	2.4	1.9	2700*2700	103
NDGY01089	15	1200	2	150	60	48	32	2.5	2	3430*3430	135
NDGY01090	15	1200	2	150	50	33	28	3.3	28	3430*3430	135
NDGY01091	20	1200	2	200	70	50	34	2.4	2	3030*5030	119*198
NDGY01092	20	1200	10	200	55	36	30	3.3	2.8	3030*5030	119*198
NDGY01093	30	1200	10	300	75	57	36	2.4	2	3130*6530	123*257
NDGY01094	30	1200	10	300	60	45	32	3.3	2.8	3130*6530	123*257
NDGY01095	40	1200	10	400	85	70	60	2.4	2	3700*6500	146*256
NDGY01096	50	1200	10	500	90	80	70	2.4	2	5000*6000	197*236
NDGY01097	60	1200	10	600	100	78	45	2.4	2	5130*7130	202*281
NDGY01098	60	1200	10	600	85	68	36	3.3	2.8	5130*7130	202*281
NDGY01099	75	1200	10	750	120	88	80	2.4	2	6500*6500	256
NDGY01100	100	1200	20	1000	150	115	60	2.4	2	9800*6500	386*256
NDGY01101	150	1200	20	1500	200	130	–	2.4	2	9240*9240	364
NDGY01102	150	1200	20	1500	200	130	–	2.4	2	11300*7300	118
NDGY01103	200	1200	20	2000	250	180	110	2.4	2	12000*12000	472
NDGY01104	200	1200	20	2000	250	180	–	2.4	1.9	12100*8700	476*343
NDGY01105	75	1700	20	750	150	110	–	2.8	2.3	6818*6818	268
NDGY01106	100	1700	20	1000	200	160	–	2.8	2.3	7632*7632	300
NDGY01107	150	1700	20	1500	250	210	–	2.8	2.3	9000*9000	354

Technological Differences

IDM

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

Integration

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

More Reliable

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

Technological Differences

IDM

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

Integration

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

More Reliable

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

Audience Profile

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.

Audience Profile

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.

Handling & Operating Guidelines

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.

Handling & Operating Guidelines

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;

Substrate

High-purity SiC / GaAs / Silicon

Metallization

Multi-layer gold

Passivation

Silicon Nitride

Expert Support & Service Assurance

Pre-sales: Accelerating Your Design

Solution Customization & Selection Guidance —— Senior RF engineers provide tailored component matching for your frequency, power, and performance requirements.

Simulation Model Support —— Comprehensive S-parameters, test report, and EVB to shorten your design cycle.

Rapid Sampling Service —— Fast sample delivery for standard and custom products to support early-stage R&D.

After-sales: Quality & Supply Assurance

Assembly Process Consulting —— Detailed guidance for thermocompression bonding and assembly processes.

Failure Analysis (FA) Services —— Professional root-cause diagnosis and corrective actions for assembly/test anomalies.

Supply Chain Continuity —— Long-term PCN/EOL management and buffer stocking for stable, uninterrupted supply.

Expert Support & Service Assurance

Pre-sales: Accelerating Your Design

Solution Customization & Selection Guidance —— Senior RF engineers provide tailored component matching for your frequency, power, and performance requirements.

Simulation Model Support —— Comprehensive S-parameters, test report, and EVB to shorten your design cycle.

Rapid Sampling Service —— Fast sample delivery for standard and custom products to support early-stage R&D.

After-sales: Quality & Supply Assurance

Assembly Process Consulting —— Detailed guidance for thermocompression bonding and assembly processes.

Failure Analysis (FA) Services —— Professional root-cause diagnosis and corrective actions for assembly/test anomalies.

Supply Chain Continuity —— Long-term PCN/EOL management and buffer stocking for stable, uninterrupted supply.

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

Manufacturing Excellence & Quality Assurance