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Taiwan Semiconductor Corporation SMLW RVG
- Part No.:
- SMLW RVG
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- SOD-123W
- Datasheet:
-
SMLW RVG.pdf
- Description:
- DIODE GEN PURP 1KV 800MA SOD123W
- Quantity:
- Payment:
- Shipping:
Inventory:7,064
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Product details
Overview
SMLW RVG from Taiwan Semiconductor is a 0.8A, 1000V standard surface-mount silicon rectifier diode in SOD-123W package, featuring glass-passivated junction, 20A peak surge rating, and 150°C max junction temperature; used in DC-DC converters and switching-mode inverters requiring high-voltage unidirectional conduction.
For engineers reviewing the SMLW RVG datasheet, SMLW RVG pinout, SMLW RVG application, or SMLW RVG equivalent, key selection criteria include repetitive peak reverse voltage (1000V), forward voltage at 0.8A/25°C (≤1.10V), thermal resistance (RθJA = 84°C/W), moisture sensitivity level (J-STD-020 Level 1), and RoHS/halogen-free compliance.
Technical Context
The SMLW RVG is a single-die, standard recovery rectifier optimized for medium-frequency switching applications up to ~100 kHz. Its glass-passivated junction ensures stable reverse leakage (<1 µA @ 25°C, <150 µA @ 125°C) and robust reliability under thermal cycling.
Thermal performance is characterized with RθJL = 30°C/W and RθJC = 31°C/W on a 5 mm × 5 mm Cu pad PCB, supporting continuous operation at 0.8A with proper board-level heat spreading and derating above 75°C ambient.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 1000 V - Maximum repetitive reverse voltage the device blocks without breakdown; defines high-side isolation capability in flyback or boost topologies. |
| IF | 0.8 A - Continuous average forward current rating at 75°C case temperature; determines steady-state power handling in DC-DC output stages. |
| IFSM | 20 A - Non-repetitive peak surge current (8.3 ms half-sine); supports inrush and transient overload tolerance during startup or fault conditions. |
| VF @ 0.8A, 25°C | ≤1.10 V - Maximum forward voltage drop; directly impacts conduction loss (Pcond ≈ IF × VF) and thermal design margin. |
| TJ max | +150 °C - Maximum allowable junction temperature; sets upper limit for thermal design and derating curves in enclosed or high-ambient environments. |
| RθJA | 84 °C/W - Junction-to-ambient thermal resistance on standard test board; used to calculate temperature rise (ΔT = Pdiss × RθJA) for layout validation. |
Pinout & Package
Package: SOD-123W - Surface-mount plastic package with matte tin-plated leads, UL 94V-0 molding compound, cathode band polarity marking, and JESD201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to lower-potential node (e.g., transformer secondary center-tap or switch node return path) in rectification circuits. |
| Cathode | Forward current exit / reverse-blocking terminal | Connected to output capacitor positive rail; cathode band identifies this terminal for correct PCB orientation and automated placement. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Enables stable reverse leakage performance across temperature and humidity, critical for long-term reliability in industrial power supplies. |
| J-STD-020 Level 1 moisture sensitivity | Allows unlimited floor life before reflow; eliminates bake requirements and simplifies SMT line integration. |
| RoHS and halogen-free compliance | Meets IEC 61249-2-21 and EU RoHS directives; supports environmentally regulated end equipment including industrial and telecom infrastructure. |
| SOD-123W footprint compatibility | Standardized 2.7 mm × 1.6 mm outline with 1.3 mm height enables drop-in replacement in existing layouts using JEDEC MS-012 variants. |
Applications
| DC-DC Converter Output Rectification | Switching Inverter Freewheeling Diode |
|---|---|
Use Scenario: Secondary-side rectification in isolated 24–48 V input DC-DC converters delivering ≤10 W to control logic or sensors. IC Role / Device Role / Timing Role: Unidirectional current steering and AC-to-DC conversion; operates in forward conduction during transformer demagnetization phase. Use Value: Low VF (≤1.10 V @ 0.8A) minimizes conduction loss; 1000 V VRRM accommodates reflected voltage spikes in flyback designs. | Use Scenario: Freewheeling path for inductive loads in 20–100 kHz H-bridge inverters driving HVAC blowers or small pumps. IC Role / Device Role / Timing Role: Provides low-loss recirculation path during MOSFET off-time; handles repetitive 20 A surge transients during load commutation. Use Value: 20 A IFSM rating ensures robustness against inductive kickback; glass passivation prevents parameter drift under thermal stress. |
| Industrial Power Supply Input Bridge | General-Purpose High-Voltage Clamping |
Use Scenario: Half-wave or full-wave rectification in 100–240 VAC input front-end stages of programmable logic controllers (PLCs) and motor drives. IC Role / Device Role / Timing Role: Converts AC line to pulsating DC; operates at line frequency (50/60 Hz) with minimal reverse recovery loss. Use Value: 1000 V VRRM provides 2× safety margin over 240 VAC RMS; 150°C TJ max supports operation in sealed enclosures. | Use Scenario: Overvoltage clamping in gate-drive circuits or snubber networks for IGBTs in solar microinverters. IC Role / Device Role / Timing Role: Blocks reverse voltage until breakdown threshold; absorbs transient energy during switching transitions. Use Value: Tight VRRM tolerance (±0%) and low CJ (7 pF) minimize capacitive loading on sensitive control nodes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar standard rectifier diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH0.8L06W | 600 V VRRM, same IF/IFSM, slightly lower VF (0.95 V typ @ 0.8A) | Limited to ≤600 V systems; unsuitable for 1000 V designs like telecom offline supplies. | Select when system VRRM requirement is ≤600 V and lower forward loss is prioritized. |
| ON Semi MUR0810 | 1000 V VRRM, 0.8 A IF, but ultrafast recovery (trr = 75 ns vs. standard ~2 µs) | Better suited for >100 kHz SMPS where reverse recovery loss dominates; higher cost and different thermal profile. | Choose only if switching frequency exceeds 100 kHz and EMI reduction is critical; otherwise SMLW RVG offers better cost/performance balance. |
Compared with STTH0.8L06W and MUR0810, the SMLW RVG delivers optimal trade-off between high-voltage blocking (1000 V), industry-standard thermal and packaging compatibility (SOD-123W), and cost efficiency for ≤100 kHz industrial power conversion-without over-specifying speed or sacrificing ruggedness.
Availability
SMLW RVG is available at Aetrix Electronics and suitable for DC-DC converters, switching-mode inverters, and industrial power supply front-ends requiring stable component supply, long-lifecycle support, and RoHS-compliant sourcing.
Supply support for SMLW RVG 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 devices, and MOSFETs for industrial and automotive markets.
The SMLW RVG belongs to TSC's SxLW standard rectifier family, engineered for high-voltage, medium-current AC/DC and DC/DC conversion in cost-sensitive, thermally constrained industrial power supplies.
FAQ
What is the maximum repetitive peak reverse voltage rating for the SMLW RVG?
The SMLW RVG has a maximum repetitive peak reverse voltage (VRRM) rating of 1000 V. This value is confirmed in the Absolute Maximum Ratings table of the official Taiwan Semiconductor datasheet (Version C2103). It defines the highest reverse voltage the diode can block repeatedly without breakdown under normal operating conditions, making it suitable for high-voltage applications such as telecom offline supplies and industrial AC-DC front ends. The SMLW RVG maintains this rating across its full operating temperature range.
Does the SMLW RVG meet RoHS and halogen-free requirements?
Yes, the SMLW RVG is RoHS compliant and halogen-free per IEC 61249-2-21. This is explicitly stated in the FEATURES section of the Taiwan Semiconductor documentation. The device uses lead-free matte tin plating on terminals and halogen-free molding compound, satisfying environmental compliance mandates for industrial, telecom, and consumer electronics. These certifications apply to the SMLW RVG as shipped and do not require additional qualification by the end user.
What is the forward voltage drop of the SMLW RVG at 0.8A and 25°C?
The forward voltage drop (VF) of the SMLW RVG is guaranteed ≤1.10 V at IF = 0.8 A and TJ = 25°C, per the Electrical Specifications table. The typical value is 0.94 V under those conditions. This parameter directly affects conduction losses and thermal design; for example, at 0.8 A, worst-case power dissipation is 0.88 W. The SMLW RVG maintains lower VF at elevated temperatures (≤1.01 V @ 125°C), supporting stable performance in thermally demanding environments.
Is the SMLW RVG suitable for automated SMT assembly?
Yes, the SMLW RVG is specifically designed for automated placement. Its SOD-123W package features standardized dimensions, matte tin-plated leads solderable per J-STD-002, and J-STD-020 Level 1 moisture sensitivity-meaning no baking is required prior to reflow. The cathode band provides clear polarity identification for vision-based pick-and-place systems. These attributes ensure high first-pass yield and process stability in high-volume manufacturing lines deploying the SMLW RVG.
What is the thermal resistance from junction to ambient for the SMLW RVG?
The junction-to-ambient thermal resistance (RθJA) of the SMLW RVG is 84°C/W, measured on a standard 5 mm × 5 mm copper pad PCB per JEDEC JESD51-3. This value is used to estimate junction temperature rise (ΔTJ = Pdiss × RθJA) during thermal design. For reliable operation, the calculated TJ must remain ≤150°C. The SMLW RVG also specifies RθJL = 30°C/W and RθJC = 31°C/W, enabling accurate thermal modeling in both board-level and heatsink-coupled configurations.
SMLW RVG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- SOD-123W
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 1000 V
- Current - Average Rectified (Io):
- 800mA
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 800 mA
- Speed:
- Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 1 µA @ 1000 V
- Capacitance @ Vr, F:
- 7pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-123W
- Operating Temperature - Junction:
- -55°C ~ 150°C
SMLW RVG FAQ
1.How can I place an order for SMLW RVG through Aetrix?
Please submit a Request for Quotation (RFQ) for SMLW RVG 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 SMLW RVG reliable?
The price and inventory of SMLW RVG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SMLW RVG is usually 5 days.
3.What payment methods are accepted for SMLW RVG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SMLW RVG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SMLW RVG?
SMLW RVG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SMLW RVG 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 SMLW RVG?
For technical support, including SMLW RVG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SMLW RVG requirements.
6.How does Aetrix verify that SMLW RVG is sourced from the original manufacturer or authorized distributors?
All SMLW RVG 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 SMLW RVG meets industry standards.
7.What is the process for return or replacement of SMLW RVG?
All SMLW RVG units undergo pre-shipment inspection (PSI). If there is an issue with SMLW RVG, 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 SMLW RVG part is unused and in its original packaging.
Return procedure for SMLW RVG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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