My Inquiry
My Account
Nexperia USA Inc. PSC2065LQ
- Part No.:
- PSC2065LQ
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Diodes
- Package:
- TO-247-2
- Datasheet:
-
PSC2065LQ.pdf
- Description:
- SIC DIODES AND FETS
- Quantity:
- Payment:
- Shipping:
Inventory:4,257
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
PSC2065LQ from Nexperia is a 650 V, 20 A silicon carbide Schottky diode in TO-247-2 (SOT8022) package, designed as a high-efficiency freewheeling or output rectifier in high-frequency power converters. It delivers zero reverse recovery, 41 nC capacitive charge at 400 V, 1.5 V forward voltage at 20 A and 25 °C, and 1.3 K/W junction-to-case thermal resistance for thermal management in SMPS and photovoltaic inverters.
For engineers reviewing the PSC2065LQ datasheet, PSC2065LQ pinout, PSC2065LQ application, or PSC2065LQ equivalent, key selection criteria include its temperature-independent switching behavior, high IFSM (780 A surge), low Qc × VF figure of merit, and robustness in hard-switched topologies requiring minimal snubbing.
Technical Context
This SiC Schottky diode uses a Merged PiN Schottky (MPS) structure to combine low conduction loss with high surge current capability. Its zero-recovery operation eliminates reverse recovery charge and associated switching losses, enabling >100 kHz operation without EMI penalties from di/dt-induced ringing.
The device operates across -55 °C to +175 °C junction temperature with stable capacitance (73 pF at 400 V) and reverse leakage (<1250 µA at 650 V, 150 °C). Its TO-247-2 package features an electrically connected mounting base tied to the cathode, enabling direct heatsink integration without isolation washers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 650 V repetitive peak reverse voltage - supports 400 V DC bus designs with 1.6× safety margin against transients. |
| IF | 20 A continuous forward current at Tc ≤ 122 °C - enables compact heatsinking in 1–3 kW power stages. |
| VF | 1.5 V typ. at 20 A, 25 °C - reduces conduction loss by ~40% vs. comparable Si fast recovery diodes. |
| QC | 41 nC at VR = 400 V, dIF/dt = 200 A/µs - minimizes turn-off energy loss in hard-switched LLC and phase-shifted full-bridge converters. |
| Rth(j-c) | 1.3 K/W max - allows 115 W power dissipation at 25 °C case temperature, supporting high-power density layouts. |
| IFSM | 780 A non-repetitive peak forward current (10 µs square wave) - withstands inrush and fault currents without bond-wire fusing. |
| Cd | 73 pF at VR = 400 V, 1 MHz - ensures predictable snubber sizing and low displacement current in high dv/dt environments. |
Pinout & Package
Package: TO-247-2 (SOT8022), through-hole plastic power package with 10.88 mm lead pitch, 20.95 mm × 15.94 mm × 5.02 mm body, and electrically active mounting base connected to cathode.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | K (cathode) | Main cathode terminal; electrically tied to mounting base for low-inductance heatsink connection. |
| 2 | A (anode) | Anode input for forward conduction path; isolated from heatsink for standard layout routing. |
| Mounting base (mb) | K (cathode) | Integral metal tab bonded to cathode - must be electrically connected to system ground or cathode node; no isolation required. |
Key Features
| Feature | Design Value |
|---|---|
| Zero reverse recovery | Eliminates reverse recovery current and associated switching loss, enabling >500 kHz operation without snubber networks. |
| Temperature-independent QC | Capacitive charge remains stable across -55 °C to +175 °C - simplifies thermal design and avoids derating at high ambient. |
| MPS architecture | Combines Schottky low VF with PiN-like surge robustness: IFSM = 780 A (10 µs) and 80 A (10 ms, 150 °C). |
| Low QC × VF | Figure-of-merit < 62 nC·V - benchmark performance for high-efficiency 650 V SiC diodes in telecom and server PSUs. |
| dv/dt ruggedness | Rated for 100 V/ns - prevents false turn-on in high-speed half-bridge configurations with steep voltage transitions. |
Applications
| Photovoltaic Inverters | Server Power Supplies |
|---|---|
|
Use Scenario: DC-side string rectification and MPPT stage freewheeling in 10–25 kW string inverters. IC Role / Device Role / Timing Role: Freewheeling diode in boost converter and anti-parallel path in H-bridge output stage. Use Value: Zero QRR reduces switching loss by 1.8 W per device at 50 kHz, improving inverter efficiency from 98.2% to 98.5% at full load. |
Use Scenario: Output rectification in 12 V/200 A VRM modules for AI accelerators and high-end CPUs. IC Role / Device Role / Timing Role: Synchronous rectifier companion or standalone output diode in multiphase buck converters. Use Value: 1.5 V VF at 20 A lowers conduction loss by 0.6 W vs. Si alternatives, reducing VRM thermal footprint by 12%. |
| Telecom Rectifiers | EV Battery Chargers |
|
Use Scenario: Secondary-side rectification in 48 V/10 kW telecom rectifier modules operating at 200 kHz. IC Role / Device Role / Timing Role: High-frequency output diode in phase-shifted full-bridge topology. Use Value: Stable 73 pF Cd enables precise snubber tuning, cutting EMI filter size by 30% while meeting CISPR-32 Class B limits. |
Use Scenario: Primary-side PFC boost diode and secondary-side LLC rectifier in 11 kW on-board chargers. IC Role / Device Role / Timing Role: Fast-recovery freewheeling path in interleaved PFC and zero-voltage switching rectifier. Use Value: 100 V/ns dv/dt rating prevents spurious turn-on during 1200 V/ns gate drive transitions, eliminating need for gate clamping circuits. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SiC Schottky diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Wolfspeed C4D20065A | Same 650 V/20 A rating but TO-247-3 package; cathode isolated from mounting base; Rth(j-c) = 1.5 K/W. | Requires insulated mounting hardware; less thermally efficient in heatsink-limited designs. | Select when electrical isolation between cathode and heatsink is mandatory. |
| ROHM SCT2065KE | 650 V/20 A, TO-247-2 package, but higher VF (1.7 V typ.) and QC (48 nC); IFSM = 600 A (10 µs). | Slightly higher conduction and switching loss; lower surge margin in high-inrush battery charging. | Select when cost sensitivity outweighs 5% efficiency gain and 30% IFSM headroom. |
Compared with C4D20065A and SCT2065KE, PSC2065LQ offers superior thermal performance via cathode-integrated mounting base and best-in-class QC × VF, making it optimal for space-constrained, high-reliability 650 V power stages where thermal and surge margins are critical.
Availability
PSC2065LQ is available at Aetrix Electronics and suitable for photovoltaic inverters, server power supplies, and EV battery chargers requiring stable component supply, long-term lifecycle support, and traceable sourcing for industrial production programs.
Supply support for PSC2065LQ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Nexperia is a global semiconductor expert focused on high-volume, high-reliability discrete and logic devices, with leadership in automotive-qualified and industrial-grade components.
PSC2065LQ belongs to Nexperia's high-voltage SiC Schottky diode product line, engineered specifically for ultra-efficient, high-frequency power conversion in renewable energy, datacenter, and EV infrastructure applications.
FAQ
Is PSC2065LQ suitable for use in automotive on-board chargers?
No - PSC2065LQ is not AEC-Q101 qualified and lacks automotive-specific reliability testing, transient immunity validation, or extended temperature qualification beyond 175 °C junction. Nexperia explicitly states non-automotive qualification in its legal disclaimers, and the device is intended for industrial, telecom, and renewable energy systems only.
What is the maximum recommended case temperature for continuous 20 A operation?
The datasheet specifies IF = 20 A is rated at Tc ≤ 122 °C. At 122 °C case temperature, the device maintains full current capability with sufficient thermal margin. Exceeding this requires derating per Figure 3, where current drops to ~14 A at Tc = 150 °C under 100% duty cycle conditions.
Does the mounting base require electrical isolation from the heatsink?
No - the mounting base is internally connected to the cathode (Pin 1), so direct metal-to-metal contact with the heatsink is required for optimal thermal performance. Isolation would add thermal resistance and violate the specified Rth(j-c) value; no insulating washer or pad is needed or recommended.
How does PSC2065LQ's QC compare to silicon diodes in the same package?
At 400 V, PSC2065LQ's QC = 41 nC is ~85% lower than typical 650 V Si fast recovery diodes (e.g., STTH2006D: ~280 nC), directly reducing turn-off energy loss and enabling higher switching frequencies without efficiency penalty or excessive snubber dissipation.
PSC2065LQ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- TO-247-2
- Packaging:
- Tube
- Product Status:
- Active
- Technology:
- SiC (Silicon Carbide) Schottky
- Voltage - DC Reverse (Vr) (Max):
- 650 V
- Current - Average Rectified (Io):
- 20A
- Voltage - Forward (Vf) (Max) @ If:
- 1.8 V @ 20 A
- Speed:
- No Recovery Time > 500mA (Io)
- Reverse Recovery Time (trr):
- 0 ns
- Current - Reverse Leakage @ Vr:
- 180 µA @ 650 V
- Capacitance @ Vr, F:
- 680pF @ 1V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-247-2
- Operating Temperature - Junction:
- -55°C ~ 175°C
PSC2065LQ FAQ
1.How can I place an order for PSC2065LQ through Aetrix?
Please submit a Request for Quotation (RFQ) for PSC2065LQ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for PSC2065LQ reliable?
The price and inventory of PSC2065LQ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PSC2065LQ is usually 5 days.
3.What payment methods are accepted for PSC2065LQ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PSC2065LQ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PSC2065LQ?
PSC2065LQ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PSC2065LQ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for PSC2065LQ?
For technical support, including PSC2065LQ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PSC2065LQ requirements.
6.How does Aetrix verify that PSC2065LQ is sourced from the original manufacturer or authorized distributors?
All PSC2065LQ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that PSC2065LQ meets industry standards.
7.What is the process for return or replacement of PSC2065LQ?
All PSC2065LQ units undergo pre-shipment inspection (PSI). If there is an issue with PSC2065LQ, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The PSC2065LQ part is unused and in its original packaging.
Return procedure for PSC2065LQ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PSC2065LQ Tags
-
1N4448X-TP
Micro Commercial Co
-
1N4148WX-TP
Micro Commercial Co
-
1N4148TR
onsemi
-
MMSD4148T1G
onsemi
-
MMBD914LT3G
onsemi
-
BAS16HT1G
onsemi
-
1N914BWT
onsemi
-
BAS21LT1G
onsemi
-
LL4148
onsemi
-
BAS16LT1G
onsemi
-
MMSD914T1G
onsemi
-
BAV21W-7-F
Diodes Incorporated
Tech Hub
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…
Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…
Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…
