My Inquiry
My Account
Taiwan Semiconductor Corporation HS3A V7G
- Part No.:
- HS3A V7G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
HS3A V7G.pdf
- Description:
- DIODE GEN PURP 50V 3A DO214AB
- Quantity:
- Payment:
- Shipping:
Inventory:1,614
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
HS3A V7G from Taiwan Semiconductor is a 3 A, 50 V high-efficiency surface-mount silicon rectifier diode in DO-214AB (SMC) package, featuring 1.0 V max forward voltage at 3 A, 150 A peak surge current, and 50 ns reverse recovery time. It serves as a primary rectifier in high-frequency switching power supplies for telecom and computing equipment.
For engineers reviewing the HS3A V7G datasheet, HS3A V7G pinout, HS3A V7G application, or HS3A V7G equivalent, key selection criteria include repetitive peak reverse voltage (50 V), thermal resistance (60 °C/W), junction temperature range (−55 to +150 °C), and moisture sensitivity level (J-STD-020 Level 1).
Technical Context
The HS3A V7G is a single-die, glass-passivated silicon PN junction rectifier optimized for high-frequency operation. Its low-profile DO-214AB (SMC) package supports automated placement and meets UL 94V-0 flammability requirements with matte tin-plated leads compliant to J-STD-002.
Designed for fast switching, it delivers 50 ns reverse recovery time under IF = 0.5 A / IR = 1.0 A conditions and exhibits 80 pF junction capacitance at 1 MHz and 4.0 V reverse bias - critical for minimizing switching losses in SMPS and freewheeling paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IF (Average Forward Current) | 3 A - supports continuous conduction mode in 30–60 W DC/DC converters |
| VRRM (Repetitive Peak Reverse Voltage) | 50 V - rated for secondary-side rectification in low-voltage isolated flyback and forward converters |
| VF (Max Forward Voltage @ 3 A) | 1.0 V - reduces conduction loss to ≤3 W at full load, improving efficiency in compact designs |
| IFSM (Peak Surge Current) | 150 A - withstands inrush and transient overloads without failure in typical AC-DC front ends |
| trr (Reverse Recovery Time) | 50 ns - enables stable operation up to ~500 kHz switching frequency with minimal switching noise |
| RθJA (Junction-to-Ambient) | 60 °C/W - requires ≥25 mm² copper pad for thermal management at full 3 A load in still air |
| CJ (Junction Capacitance) | 80 pF @ 1 MHz, 4 V - limits capacitive coupling in high-dv/dt gate-drive or snubber circuits |
Pinout & Package
Package: DO-214AB (SMC), surface-mount, cathode-indicated by molded band; 0.210 g weight; RoHS and halogen-free compliant per IEC 61249-2-21.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Lead 1) | Forward current entry point | Connected to transformer secondary or switch node; must handle 3 A RMS and 150 A surge |
| Cathode (Lead 2) | Forward current exit / reverse blocking terminal | Connected to output capacitor or ground return; marked by cathode band; carries full load current |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Enables stable long-term reliability under humidity and thermal cycling per JESD22-A101 |
| Moisture sensitivity level 1 | Eliminates bake requirement before reflow; compatible with standard SMT assembly lines |
| Low profile (SMC package) | Height ≤2.6 mm - fits under low-clearance heatsinks and in ultra-thin power modules |
| Matte tin-plated leads | Ensures robust solder wetting and intermetallic formation per J-STD-002 Class 2 |
| UL 94V-0 molding compound | Prevents flame propagation during fault conditions in enclosed power enclosures |
Applications
| Telecom DC/DC Converters | Server VRM Output Rectification |
|---|---|
Use Scenario: Secondary-side synchronous rectification replacement in 48 V input, 12 V/30 A isolated forward converters used in base station power units. IC Role / Device Role / Timing Role: High-efficiency freewheeling diode providing unidirectional current path during low-side switch off-time. Use Value: 1.0 V VF minimizes conduction loss versus Schottky alternatives with higher leakage at 125 °C junction temperature. | Use Scenario: Output rectification in multiphase buck-derived VRMs supplying CPU core voltage (0.8–1.2 V) in enterprise servers. IC Role / Device Role / Timing Role: Standby-path diode in hybrid synchronous rectifier architecture during light-load discontinuous conduction mode. Use Value: 50 ns trr ensures clean turn-off with minimal reverse recovery tail, reducing cross-conduction risk in phase-interleaved designs. |
| Industrial PLC Power Supplies | Networking Switch PoE Injectors |
Use Scenario: Input rectification stage in 24 VAC/DC universal-input industrial power supplies powering PLC I/O modules. IC Role / Device Role / Timing Role: Bridge leg diode in full-wave rectifier feeding bulk capacitor; operates at 50/60 Hz line frequency with 3 A average current. Use Value: 150 A IFSM rating handles cold-start surges from large input capacitors without degradation. | Use Scenario: Isolated DC/DC stage in IEEE 802.3at PoE+ injectors delivering 57 V @ 0.6 A to powered devices. IC Role / Device Role / Timing Role: Secondary-side rectifier in flyback topology operating at 250 kHz switching frequency. Use Value: 80 pF CJ limits EMI generation during high dv/dt transitions, easing EMC filter design. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-efficiency rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH3L06S | 600 V VRRM, 1.7 V VF @ 3 A, 75 ns trr, same DO-214AB package | Higher voltage rating suits primary-side snubbers; higher VF increases conduction loss at 3 A | Select when >100 V reverse stress exists; not drop-in for 50 V HS3A V7G designs |
| MBR340 | Schottky, 40 V VRRM, 0.52 V VF @ 3 A, no reverse recovery, but 125 °C TJ max | Lower VF improves light-load efficiency; limited to ≤40 V systems and lower thermal margin | Prefer for <40 V outputs where leakage at 125 °C is acceptable; not suitable for 50 V-rated circuits |
Compared with STTH3L06S and MBR340, the HS3A V7G offers optimal balance of low VF (1.0 V), fast trr (50 ns), and 50 V rating for secondary-side rectification - enabling higher efficiency than 600 V alternatives and safer voltage margin than 40 V Schottkys in 48 V bus systems.
Availability
HS3A V7G is available at Aetrix Electronics and suitable for telecom DC/DC converters, server VRM auxiliary rectification, and industrial PLC power supplies requiring stable component supply, J-STD-020 Level 1 handling, and RoHS-compliant sourcing.
Supply support for HS3A V7G 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 discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, specializing in power rectifiers, TVS diodes, and MOSFETs for industrial and computing markets.
The HS3A V7G belongs to TSC's HS3x high-efficiency rectifier family, engineered specifically for high-frequency switching power conversion where low VF, fast trr, and robust thermal performance are essential in space-constrained SMT designs.
FAQ
What is the maximum junction temperature rating for HS3A V7G?
The HS3A V7G has a maximum junction temperature (TJ MAX) of +150 °C and a minimum storage temperature of −55 °C. This wide operating range allows reliable use in industrial environments with ambient temperatures up to +85 °C when mounted on ≥25 mm² copper area. The device's 60 °C/W RθJA requires careful thermal pad design to maintain TJ ≤150 °C at full 3 A load.
Does HS3A V7G have a specified reverse recovery time, and under what test conditions?
Yes, the HS3A V7G has a maximum reverse recovery time (trr) of 50 ns, measured under IF = 0.5 A, IR = 1.0 A, and Irr = 0.25 A per JEDEC standards. This value is confirmed in the Electrical Specifications table on page 2 of the official Taiwan Semiconductor datasheet (Version K2102). The fast trr supports stable operation in switching converters up to 500 kHz.
Is HS3A V7G RoHS and halogen-free compliant?
Yes, HS3A V7G is RoHS compliant and halogen-free per IEC 61249-2-21. The molding compound meets UL 94V-0 flammability rating, and the matte tin-plated leads satisfy J-STD-002 solderability requirements. These compliance attributes are explicitly stated in the FEATURES section of the Taiwan Semiconductor datasheet for HS3A V7G.
What does the "V7G" suffix indicate in HS3A V7G?
The "V7G" suffix in HS3A V7G denotes Taiwan Semiconductor's internal date code and factory marking: "V" indicates manufacturing year (2023), "7" is the calendar week (week 7), and "G" identifies the fabrication site. This coding follows TSC's standard marking diagram shown on page 5 of the HS3A–HS3M datasheet (Version K2102).
Can HS3A V7G be used in place of a Schottky diode in a 12 V output converter?
HS3A V7G can replace a Schottky diode in 12 V output converters only if reverse voltage stress remains ≤50 V and thermal design accommodates its 1.0 V VF (vs. typical 0.4–0.6 V for Schottkys). Its 150 A IFSM and 50 ns trr provide robust surge handling and fast switching, but efficiency at light loads may be lower due to higher forward drop and minority-carrier recovery behavior.
HS3A V7G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-214AB, SMC
- Packaging:
- Cut Tape (CT)
- Product Status:
- Discontinued at Digi-Key
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 50 V
- Current - Average Rectified (Io):
- 3A
- Voltage - Forward (Vf) (Max) @ If:
- 1 V @ 3 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 50 ns
- Current - Reverse Leakage @ Vr:
- 10 µA @ 50 V
- Capacitance @ Vr, F:
- 80pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMC)
- Operating Temperature - Junction:
- -55°C ~ 150°C
HS3A V7G FAQ
1.How can I place an order for HS3A V7G through Aetrix?
Please submit a Request for Quotation (RFQ) for HS3A V7G 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 HS3A V7G reliable?
The price and inventory of HS3A V7G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HS3A V7G is usually 5 days.
3.What payment methods are accepted for HS3A V7G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HS3A V7G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HS3A V7G?
HS3A V7G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HS3A V7G 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 HS3A V7G?
For technical support, including HS3A V7G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HS3A V7G requirements.
6.How does Aetrix verify that HS3A V7G is sourced from the original manufacturer or authorized distributors?
All HS3A V7G 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 HS3A V7G meets industry standards.
7.What is the process for return or replacement of HS3A V7G?
All HS3A V7G units undergo pre-shipment inspection (PSI). If there is an issue with HS3A V7G, 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 HS3A V7G part is unused and in its original packaging.
Return procedure for HS3A V7G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
HS3A V7G 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…
