Taiwan Semiconductor Corporation S1KLS RVG
- Part No.:
- S1KLS RVG
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- SOD-123H
- Datasheet:
-
S1KLS RVG.pdf
- Description:
- DIODE GP 800V 1.2A SOD123HE
- Quantity:
- Payment:

- Shipping:

Inventory:9,257
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Product details
Overview
S1KLS RVG from Taiwan Semiconductor is a 1.2A, 800V standard surface-mount silicon rectifier diode in SOD-123HE package, designed for high-efficiency DC/DC conversion and switching-mode power supplies with 50A surge capability and 175°C max junction temperature.
For engineers reviewing the S1KLS RVG datasheet, S1KLS RVG pinout, S1KLS RVG application, or S1KLS RVG equivalent, key selection criteria include repetitive peak reverse voltage (800V), forward voltage at 1.2A (≤1.3V), reverse leakage at 125°C (≤150µA), thermal resistance RθJL (46°C/W), and moisture sensitivity level (MSL 1).
Technical Context
The S1KLS RVG is a single-die, unidirectional standard recovery rectifier optimized for medium-voltage, medium-current switching applications. It features a low VF of ≤1.3V at 1.2A and exhibits controlled reverse recovery behavior suitable for non-synchronous flyback and buck-derived topologies.
Thermal performance is characterized by RθJL = 46°C/W and RθJA = 86°C/W on a 5mm × 5mm Cu pad PCB - enabling reliable operation up to 175°C junction temperature under sustained 1.2A DC load with appropriate board layout.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 800 V - maximum repetitive reverse blocking voltage; defines safe operating range in 600–800V DC bus or clamp circuits |
| IF | 1.2 A - continuous forward current rating at TA = 25°C; derates linearly above 25°C per published curve |
| IFSM | 50 A - non-repetitive surge current (8.3ms half-sine); supports inrush and transient overload handling |
| VF | ≤1.3 V @ IF = 1.2A, TJ = 25°C - determines conduction loss and thermal rise in high-duty-cycle operation |
| IR | ≤150 µA @ VR = 800V, TJ = 125°C - defines leakage-related power loss and stability in high-temp environments |
| TJ(max) | 175 °C - maximum allowable junction temperature; enables operation in sealed or thermally constrained enclosures |
| RθJL | 46 °C/W - junction-to-lead thermal resistance; informs heatsinking strategy when lead soldering is used for thermal relief |
Pinout & Package
Package: SOD-123HE - compact surface-mount plastic case with matte tin-plated leads, UL 94V-0 molding compound, and cathode band polarity marking. Weight: ~0.022g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (A) | Forward current entry point | Connected to lower-potential side (e.g., switch node or ground return) in rectification path |
| Cathode (K) | Forward current exit / reverse blocking terminal | Marked by visible band; connects to output rail or positive bus; blocks 800V reverse potential |
Key Features
| Feature | Design Value |
|---|---|
| High surge current capability | 50A IFSM withstands repeated startup surges and short-circuit transients without degradation |
| Low forward voltage | VF ≤1.3V at rated 1.2A reduces conduction loss and improves system efficiency in 12–48V output converters |
| Moisture sensitivity level 1 | No bake preconditioning required before reflow; compatible with standard SMT assembly lines per J-STD-020 |
| Halogen-free & RoHS compliant | Meets IEC 61249-2-21 and EU RoHS directives; supports environmental compliance for industrial and consumer end products |
Applications
| DC/DC Converter | Switching Inverter |
|---|---|
Use Scenario: Secondary-side rectification in isolated 24V–48V output flyback or forward converters. IC Role / Device Role / Timing Role: Unidirectional power conversion element converting transformer AC output to regulated DC. Use Value: 1.2A average current rating and 800V VRRM support 48V bus designs with margin against reflected transients. | Use Scenario: Freewheeling or output rectification in 3-phase motor drive inverters with 600V DC link. IC Role / Device Role / Timing Role: Passive clamp and energy recirculation path during switching transitions. Use Value: 50A IFSM handles inductive kickback spikes; 175°C TJ(max) sustains operation near heatsink-limited IGBT modules. |
| Industrial Power Supply | LED Driver |
Use Scenario: Input bridge or output rectification in DIN-rail mounted 24/48V PSUs for PLC and sensor interfaces. IC Role / Device Role / Timing Role: Line-frequency or high-frequency rectifier in multi-stage AC/DC front-end or secondary regulation stage. Use Value: MSL 1 and halogen-free construction meet long-life reliability and safety requirements for industrial control cabinets. | Use Scenario: Constant-current rectification in isolated LED drivers for street lighting (20–40W). IC Role / Device Role / Timing Role: Output stage diode delivering stable DC to LED string with minimal voltage drop. Use Value: Low VF (≤1.3V) preserves headroom for current regulation ICs and improves lumen/W efficiency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar standard rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH1L08S | Same 800V VRRM, 1.0A IF, slightly higher VF (1.45V typ), TO-277A package | Lower current rating limits use in >1A continuous loads; larger footprint requires layout change | Select if higher surge robustness needed (IFSM = 75A) and board space permits TO-277A |
| ES1J-M3/84A | Same 600V VRRM (not 800V), 1.0A IF, SOD-123 package, VF = 1.7V max | Insufficient reverse voltage margin for 800V-rated systems; higher conduction loss | Only acceptable where system VR < 500V and thermal budget allows higher VF |
Compared with STTH1L08S and ES1J-M3/84A, the S1KLS RVG delivers higher continuous current (1.2A vs. 1.0A), tighter VF spec (≤1.3V), and full 800V blocking - making it optimal for space-constrained, thermally demanding 48V-output SMPS where SOD-123HE footprint and MSL 1 are critical.
Availability
S1KLS RVG is available at Aetrix Electronics and suitable for DC/DC converters, switching inverters, and industrial power supplies requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.
Supply support for S1KLS 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, serving global industrial, computing, and consumer markets since 1979.
The S1KLS RVG belongs to TSC's S1xLS standard rectifier family - engineered for cost-effective, high-reliability AC/DC and DC/DC power conversion in space- and thermal-constrained applications.
FAQ
What is the maximum repetitive peak reverse voltage (VRRM) for the S1KLS RVG?
The S1KLS RVG has a maximum repetitive peak reverse voltage (VRRM) of 800 V. This rating is confirmed in the Absolute Maximum Ratings table of the official Taiwan Semiconductor datasheet (Version H2103). The S1KLS RVG is specifically designated for the 800V variant within the S1DLS–S1MLS series, with marking code "1KLS" laser-etched on the device body.
Is the S1KLS RVG suitable for reflow soldering without moisture preconditioning?
Yes, the S1KLS RVG is rated Moisture Sensitivity Level (MSL) 1 per J-STD-020, meaning it can be subjected to standard Pb-free reflow profiles without baking or dry-pack handling. This MSL 1 classification is explicitly stated in the Features section of the Taiwan Semiconductor datasheet and verified via JEDEC-compliant testing - simplifying SMT line integration for the S1KLS RVG.
What is the forward voltage (VF) specification for the S1KLS RVG at rated current?
The forward voltage (VF) for the S1KLS RVG is specified as ≤1.3 V at IF = 1.2 A and TJ = 25°C, per the Electrical Specifications table. This value is measured under pulsed conditions (PW = 0.3 ms) and represents the maximum conduction loss under nominal operating conditions - a key parameter for thermal design of the S1KLS RVG in power stages.
Does the S1KLS RVG have halogen-free and RoHS-compliant construction?
Yes, the S1KLS RVG meets both RoHS Directive 2011/65/EU and IEC 61249-2-21 halogen-free requirements. These compliance statements appear in the Features section of the official datasheet and are validated through material declarations and third-party testing - confirming environmental compliance for the S1KLS RVG in consumer, industrial, and automotive-qualified applications.
What is the junction-to-lead thermal resistance (RθJL) of the S1KLS RVG?
The junction-to-lead thermal resistance (RθJL) of the S1KLS RVG is 46 °C/W, measured on a standard 5 mm × 5 mm copper pad test board per JEDEC JESD51-14. This value is documented in the Thermal Performance section of the Taiwan Semiconductor datasheet and directly informs thermal relief strategies when using the S1KLS RVG in high-power-density layouts.
S1KLS RVG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- SOD-123H
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 800 V
- Current - Average Rectified (Io):
- 1.2A
- Voltage - Forward (Vf) (Max) @ If:
- 1.3 V @ 1.2 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 5 µA @ 800 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-123HE
- Operating Temperature - Junction:
- -55°C ~ 150°C
S1KLS RVG FAQ
1.How can I place an order for S1KLS RVG through Aetrix?
Please submit a Request for Quotation (RFQ) for S1KLS 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 S1KLS RVG reliable?
The price and inventory of S1KLS RVG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for S1KLS RVG is usually 5 days.
3.What payment methods are accepted for S1KLS RVG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for S1KLS RVG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for S1KLS RVG?
S1KLS RVG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your S1KLS 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 S1KLS RVG?
For technical support, including S1KLS RVG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your S1KLS RVG requirements.
6.How does Aetrix verify that S1KLS RVG is sourced from the original manufacturer or authorized distributors?
All S1KLS 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 S1KLS RVG meets industry standards.
7.What is the process for return or replacement of S1KLS RVG?
All S1KLS RVG units undergo pre-shipment inspection (PSI). If there is an issue with S1KLS 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 S1KLS RVG part is unused and in its original packaging.
Return procedure for S1KLS RVG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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