My Inquiry
My Account
Taiwan Semiconductor Corporation UGS5J
- Part No.:
- UGS5J
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Datasheet:
-
UGS5J.pdf
- Description:
- DIODE GEN PURP 600V 5A TO263AB
- Quantity:
- Payment:
- Shipping:
Inventory:796
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
UGS5J from Taiwan Semiconductor is a 5A, 600V ultra-fast surface-mount rectifier in TO-263AB (D2PAK) package, designed for high-efficiency DC-DC converters and switching-mode inverters. It delivers 2.0 V forward voltage at 5A/25°C, 20 ns reverse recovery time, and 65 A surge capability - enabling compact, thermally robust power conversion stages in industrial and telecom power supplies.
For engineers reviewing the UGS5J datasheet, UGS5J pinout, UGS5J application, or UGS5J equivalent, key selection factors include its 3°C/W junction-to-case thermal resistance, J-STD-020 Level 1 moisture sensitivity rating, RoHS/halogen-free compliance, and single-die configuration optimized for freewheeling and output rectification in high-frequency SMPS designs.
Technical Context
The UGS5J is a single-die, ultra-fast recovery silicon rectifier with soft-recovery characteristics critical for reducing EMI in high-switching-frequency topologies. Its 20 ns trr and low 2.0 V VF at rated current support efficient operation in synchronous rectifier-assisted or freewheeling paths where reverse recovery loss must be minimized.
Thermally, the TO-263AB package enables direct heatsinking via the exposed cathode tab, supported by a low RθJC of 3°C/W. The device operates across –55°C to +150°C junction temperature range and meets JESD201 Class 2 whisker resistance and UL 94V-0 flammability standards.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IF (Continuous Forward Current) | 5 A - Sustains full-rated output current in DC-DC secondary-side rectification without forced air cooling. |
| VRRM (Repetitive Peak Reverse Voltage) | 600 V - Supports 400 V DC bus designs with 50% safety margin for transient overvoltage in industrial SMPS. |
| trr (Reverse Recovery Time) | 20 ns - Minimizes switching losses and ringing in 100–500 kHz converters, reducing snubber requirements. |
| RθJC (Junction-to-Case Thermal Resistance) | 3 °C/W - Enables direct thermal coupling to PCB copper or heatsink, limiting ΔT to ≤15°C at 5 A continuous conduction. |
| IFSM (Surge Forward Current) | 65 A - Withstands 8.3 ms half-sine surges during startup or overload, supporting robust system-level fault tolerance. |
| VF (Forward Voltage @ 5A, 25°C) | 2.0 V - Limits conduction loss to 10 W per device at full load, improving overall converter efficiency vs. standard fast rectifiers. |
| Moisture Sensitivity Level | Level 1 (per J-STD-020) - No bake preconditioning required before reflow, simplifying automated SMT assembly. |
Pinout & Package
Package: TO-263AB (D2PAK), surface-mount with exposed cathode tab for thermal and electrical connection. Case material meets UL 94V-0; matte tin-plated leads comply with J-STD-002 solderability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Lead 1) | Input current entry point | Connected to switching node or transformer secondary; carries full forward current during conduction phase. |
| Cathode (Exposed Tab) | Output current exit & thermal path | Electrically and thermally connected to PCB ground plane or heatsink; serves as primary heat dissipation interface. |
| Tab Mounting Surface | Thermal & electrical reference | Must be soldered to ≥100 mm² copper pour for optimal RθJA; polarity marked on top surface per device marking diagram. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-fast recovery (trr = 20 ns) | Reduces reverse recovery charge (Qrr) and associated switching loss, enabling higher frequency operation without efficiency penalty. |
| Low VF (2.0 V @ 5A, 25°C) | Lowers conduction loss by ~15% versus comparable 600 V fast rectifiers, directly improving thermal budget in dense power modules. |
| TO-263AB thermal performance (RθJC = 3°C/W) | Supports >4 W continuous power dissipation with minimal external heatsinking - ideal for space-constrained 12–48 V output rails. |
| J-STD-020 Level 1 moisture sensitivity | Eliminates pre-reflow baking step, reducing manufacturing cycle time and avoiding potential die attach degradation. |
| RoHS & halogen-free compliance | Fulfills IEC 61249-2-21 and EU RoHS Directive requirements for environmentally regulated end equipment including telecom infrastructure. |
Applications
| DC-DC Converter Output Rectification | Switching Mode Inverter Freewheeling |
|---|---|
Use Scenario: Secondary-side rectification in isolated 25–100 W flyback or forward converters powering industrial PLC I/O modules. IC Role / Device Role / Timing Role: Unidirectional current valve conducting during transformer reset phase; handles 5 A DC output with minimal voltage drop. Use Value: 2.0 V VF ensures <10 W conduction loss at full load, while 20 ns trr suppresses high-frequency ringing that could interfere with feedback loop stability. | Use Scenario: Freewheeling path in 3-phase motor drive inverters using IGBTs or SiC MOSFETs operating at 8–20 kHz PWM frequency. IC Role / Device Role / Timing Role: Provides low-loss current recirculation path during switching transitions; clamps inductive kickback energy back into DC bus. Use Value: 65 A IFSM withstands motor stall currents; soft recovery minimizes voltage overshoot across switching devices during turn-off. |
| Telecom Power Supply Input Stage | Industrial AC-DC Front-End Rectification |
Use Scenario: High-density 48 V intermediate bus converter in 19-inch rack-mounted telecom equipment with strict thermal limits. IC Role / Device Role / Timing Role: Primary output rectifier in phase-shifted full-bridge topology; operates continuously at 5 A with 125°C junction temperature. Use Value: RθJC = 3°C/W allows direct mounting to aluminum chassis, achieving <50°C case rise above ambient - meeting NEBS GR-63-CORE thermal requirements. | Use Scenario: PFC boost diode or output rectifier in 500–1000 W industrial AC-DC power supplies for factory automation controllers. IC Role / Device Role / Timing Role: Handles high peak currents during line-voltage zero-crossings and maintains reliability under 600 V repetitive stress. Use Value: 600 V VRRM provides margin against 400 VAC-derived 565 VDC bus transients; UL 94V-0 molding compound supports long-term flame-retardant system certification. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-fast rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH5L06 (STMicroelectronics) | Same 5A/600V rating; trr = 25 ns (5 ns slower); VF = 2.1 V @ 5A; TO-220AC package (higher RθJC ≈ 10°C/W). | Requires heatsink for same power level; less suitable for high-density SMT layouts due to through-hole footprint. | Prefer UGS5J when board space, thermal integration, or automated placement are prioritized. |
| VS-5EY06-M3 (Vishay) | Identical TO-263AB package; trr = 18 ns (2 ns faster); VF = 1.95 V @ 5A; MSL Level 1 confirmed. | Marginally better efficiency and EMI profile; identical assembly process and thermal design rules. | Consider VS-5EY06-M3 for highest efficiency targets; UGS5J remains optimal for cost-sensitive, high-volume industrial production. |
Compared with STTH5L06, the UGS5J offers superior thermal integration and SMT compatibility; versus VS-5EY06-M3, it trades minor VF/trr advantages for broader supply chain availability and consistent pricing in volume procurement.
Availability
UGS5J is available at Aetrix Electronics and suitable for DC-DC converters, switching-mode inverters, and freewheeling applications requiring stable component supply, J-STD-020 Level 1 manufacturability, and RoHS-compliant power semiconductors.
Supply support for UGS5J 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
Taiwan Semiconductor Corporation (TSC) is a vertically integrated analog and power discrete manufacturer headquartered in Hsinchu, Taiwan, serving global industrial, computing, and telecom markets since 1979.
The UGS5J belongs to TSC's Ultra-Fast Rectifier product line, engineered specifically for high-frequency switching power supplies where low trr, low VF, and robust surge capability are essential for efficiency, reliability, and compact thermal design.
FAQ
What is the maximum junction temperature rating for the UGS5J?
The UGS5J has a maximum junction temperature (TJ MAX) of +150°C, with operational range from –55°C to +150°C. This rating enables reliable use in sealed industrial enclosures or high-ambient environments like telecom base stations, provided thermal design maintains junction temperature within limit using the TO-263AB package's 3°C/W RθJC path. Derating curves in the UGS5J datasheet confirm 5 A continuous current is sustainable up to 125°C case temperature.
Does the UGS5J support lead-free reflow soldering?
Yes, the UGS5J supports lead-free reflow soldering per J-STD-002. Its matte tin-plated leads are fully compatible with Pb-free SAC305 profiles, and its J-STD-020 Level 1 moisture sensitivity eliminates the need for pre-bake - reducing process complexity and preventing moisture-induced popcorning during reflow. The UL 94V-0 molding compound also withstands peak reflow temperatures up to 260°C.
How does the UGS5J's reverse recovery time compare to standard fast rectifiers?
The UGS5J achieves a typical reverse recovery time (trr) of 20 ns, significantly faster than standard fast rectifiers (typically 50–100 ns). This enables lower switching losses and reduced EMI in 100–500 kHz SMPS designs. Measured under IF = 0.5 A, IR = 1.0 A, and Irr = 0.25 A conditions, this trr value is validated in the UGS5J datasheet and directly improves efficiency in high-frequency DC-DC converters and motor drive freewheeling paths.
Is the UGS5J pin-compatible with other TO-263AB rectifiers?
The UGS5J uses the industry-standard TO-263AB (D2PAK) outline with anode on lead 1 and cathode on the exposed tab - matching mechanical and solder pad layout of all TO-263AB rectifiers. However, electrical parameters (VF, trr, IFSM) differ across vendors; substitution requires validation of thermal and dynamic performance in the target circuit. The UGS5J marking code "UGS5J" is laser-etched on the top surface per TSC's standard marking diagram.
What packaging format is available for the UGS5J?
The UGS5J is supplied in tape-and-reel format: 800 units per reel. This packaging supports high-speed automated pick-and-place assembly and is compatible with standard SMT feeders. Reel dimensions and orientation follow EIA-481 standards, and the moisture barrier bag includes desiccant and humidity indicator per J-STD-033 requirements for Level 1 devices - ensuring no handling restrictions prior to use.
UGS5J Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 600 V
- Current - Average Rectified (Io):
- 5A
- Voltage - Forward (Vf) (Max) @ If:
- 2 V @ 5 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 20 ns
- Current - Reverse Leakage @ Vr:
- 20 µA @ 600 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-263AB (D2PAK)
- Operating Temperature - Junction:
- -55°C ~ 150°C
UGS5J FAQ
1.How can I place an order for UGS5J through Aetrix?
Please submit a Request for Quotation (RFQ) for UGS5J 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 UGS5J reliable?
The price and inventory of UGS5J are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for UGS5J is usually 5 days.
3.What payment methods are accepted for UGS5J?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for UGS5J transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for UGS5J?
UGS5J orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your UGS5J 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 UGS5J?
For technical support, including UGS5J datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your UGS5J requirements.
6.How does Aetrix verify that UGS5J is sourced from the original manufacturer or authorized distributors?
All UGS5J 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 UGS5J meets industry standards.
7.What is the process for return or replacement of UGS5J?
All UGS5J units undergo pre-shipment inspection (PSI). If there is an issue with UGS5J, 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 UGS5J part is unused and in its original packaging.
Return procedure for UGS5J:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
UGS5J 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
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
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…
