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Taiwan Semiconductor Corporation RS2DA-T
- Part No.:
- RS2DA-T
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
RS2DA-T.pdf
- Description:
- 150NS, 2A, 200V, FAST RECOVERY R
- Quantity:
- Payment:
- Shipping:
Inventory:4,144
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Product details
Overview
RS2DA-T from Taiwan Semiconductor is a 2A, 200V fast recovery surface-mount rectifier in DO-214AC (SMA) package, featuring 150 ns reverse recovery time, 1.11 V forward voltage at 2A/25°C, and 50 A surge current capability. It serves as a primary AC/DC input rectifier in compact switching power supplies.
For engineers reviewing the RS2DA-T datasheet, RS2DA-T pinout, RS2DA-T application, or RS2DA-T equivalent, key selection criteria include its 200V VRRM, low 14 °C/W junction-to-lead thermal resistance, glass-passivated die for reliability, and compatibility with automated SMT placement on standard PCB pads.
Technical Context
This single-die, unidirectional silicon rectifier uses a fast recovery epitaxial structure optimized for high-frequency switching converters. Its 150 ns trr and low 14 pF junction capacitance minimize switching losses and EMI generation during turn-off.
The device operates across –55°C to +150°C junction temperature range with 5 µA max reverse leakage at 25°C and 100 µA at 125°C, supporting stable performance in thermally constrained DC–DC modules and industrial inverters.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 200 V - Maximum repetitive reverse voltage before breakdown; sets safe operating limit in 115/230 VAC front-end designs. |
| IF | 2 A - Continuous average forward current; supports 10–15 W output power in compact SMPS designs. |
| IFSM | 50 A - Non-repetitive surge current (8.3 ms); handles line transients and startup inrush without failure. |
| trr | 150 ns - Reverse recovery time; enables efficient operation up to ~200 kHz switching frequency. |
| RθJL | 14 °C/W - Junction-to-lead thermal resistance; allows direct heat conduction to PCB copper, reducing thermal derating. |
| VF @ 2A, 25°C | 1.11 V - Forward voltage drop; determines conduction loss of ~2.2 W at full load, critical for thermal management. |
| CJ | 14 pF - Junction capacitance at 1 MHz / 4 V; limits capacitive coupling and ringing in high-dv/dt environments. |
Pinout & Package
DO-214AC (SMA) surface-mount package with molded epoxy body, matte tin-plated leads, and cathode band marking. Weight: 0.060 g. UL 94V-0 rated molding compound.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry | Connected to AC input or transformer secondary; requires adequate copper area for thermal dissipation. |
| Cathode | Forward current exit / polarity indicator | Marked by visible band; ties to output capacitor positive rail; defines unidirectional conduction path. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Enhances long-term reliability under humidity and bias stress; eliminates need for conformal coating in non-hermetic assemblies. |
| Moisture sensitivity level 1 | Zero bake requirement before reflow; compatible with standard J-STD-020 SMT processes without floor-life constraints. |
| RoHS & halogen-free compliance | Meets IEC 61249-2-21 and EU RoHS directives; supports green manufacturing and end-of-life recycling requirements. |
| Low reverse leakage (5 µA @ 25°C) | Minimizes standby power loss in energy-sensitive applications such as IoT power adapters and battery backup systems. |
Applications
| AC/DC Front-End Rectification | DC–DC Converter Input Stage |
|---|---|
Use Scenario: Full-wave rectification of 115/230 VAC mains feeding offline flyback or forward converters. IC Role / Device Role / Timing Role: Primary unidirectional current switch converting AC input to pulsating DC; defines system efficiency baseline. Use Value: 200 V VRRM provides 2× safety margin over 115 VAC peak (162 V), while 150 ns trr reduces switching loss vs. standard recovery diodes. | Use Scenario: Input rectification in isolated DC–DC modules powered from 24/48 V intermediate bus. IC Role / Device Role / Timing Role: High-efficiency freewheeling and rectifying element synchronized with MOSFET switching edges. Use Value: 14 pF CJ and low VF minimize dv/dt-induced noise and conduction loss, improving regulation and EMI profile. |
| Switching Inverters | Industrial Power Supplies |
Use Scenario: Output stage rectification in 100–500 W solar microinverters and UPS inverters. IC Role / Device Role / Timing Role: Fast-recovery output diode handling high-frequency PWM-modulated AC waveforms. Use Value: 50 A IFSM withstands transient overloads during grid synchronization; 150°C TJMAX enables operation in sealed enclosures. | Use Scenario: Main rectifier in DIN-rail mounted 24 V/48 V industrial PSUs for PLCs and HMIs. IC Role / Device Role / Timing Role: Robust, maintenance-free rectification component rated for continuous 2 A load with wide ambient temperature range. Use Value: –55°C to +150°C operating range and JESD201 Class 1 whisker resistance ensure field reliability in harsh factory environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast recovery rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH2R02 | 2 A, 200 V, 125 ns trr, TO-220AC package, higher RθJA (50 °C/W) | Requires heatsink for >1 A continuous use; unsuitable for space-constrained SMT-only layouts | Select when higher surge rating (60 A) and through-hole assembly are acceptable trade-offs for faster recovery. |
| MBR220LSFT1G | 2 A, 200 V Schottky, 0.52 V VF @ 2A, but limited to 125°C TJMAX and 20 V reverse rating | Not usable above 20 V reverse bias; unsuitable for AC line rectification | Select only for low-voltage DC–DC outputs where ultra-low VF outweighs reverse voltage limitation. |
Compared with STTH2R02 and MBR220LSFT1G, the RS2DA-T uniquely balances 200 V capability, 150 ns speed, SMA package footprint, and 150°C rating-making it optimal for compact, high-temperature, AC-input SMT power supplies where Schottky alternatives fail and through-hole parts increase board cost.
Availability
RS2DA-T is available at Aetrix Electronics and suitable for AC/DC front-end rectification, DC–DC converter input stages, and switching inverters requiring stable component supply, consistent parametric performance, and full RoHS/halogen-free compliance.
Supply support for RS2DA-T 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 power and protection markets since 1979.
The RS2DA-T belongs to TSC's RS2x series of fast recovery rectifiers, engineered specifically for high-frequency switching power conversion in consumer, industrial, and telecom infrastructure where thermal efficiency, SMT compatibility, and long-term reliability are critical.
FAQ
What is the maximum junction temperature rating for RS2DA-T?
The RS2DA-T has a maximum junction temperature (TJMAX) of +150°C, verified per absolute maximum ratings in the official TSC datasheet. This rating enables reliable operation in enclosed power supplies and high-ambient-temperature industrial environments. Derating curves confirm usable current capacity down to 1.2 A at 125°C case temperature. The RS2DA-T must be mounted on a minimum 5 mm × 5 mm copper pad to achieve thermal performance matching the datasheet's RθJA = 86 °C/W specification.
Does RS2DA-T have a specified reverse recovery time (trr)?
Yes, the RS2DA-T has a maximum reverse recovery time (trr) of 150 ns, measured at IF = 0.5 A, IR = 1.0 A, and IRR = 0.25 A, per the TSC D2111 datasheet. This value is confirmed for both RS2DA-T and RS2GA-T variants and distinguishes it from slower general-purpose rectifiers. The 150 ns trr supports efficient operation in switching power supplies operating up to approximately 200 kHz without excessive switching loss or EMI.
What is the forward voltage drop of RS2DA-T at rated current?
The RS2DA-T exhibits a typical forward voltage (VF) of 1.11 V at 2 A and 25°C, with a maximum of 1.30 V under the same conditions. At elevated temperature (125°C), VF drops to 0.98 V typical, reflecting the negative temperature coefficient of silicon PN junctions. These values are measured using pulse testing (PW = 0.3 ms) to avoid self-heating effects, and directly impact conduction loss calculation in power supply design using the RS2DA-T.
Is RS2DA-T compatible with lead-free reflow soldering processes?
Yes, the RS2DA-T features matte tin-plated leads compliant with J-STD-002 for solderability and is qualified for lead-free reflow profiles including JEDEC J-STD-020 Level 1 moisture sensitivity. Its DO-214AC (SMA) package has no floor-life restrictions and requires no pre-bake prior to assembly. The device's UL 94V-0 molding compound and JESD201 Class 1 whisker resistance further ensure robustness in modern high-volume SMT lines using RS2DA-T.
How does RS2DA-T differ from other members of the RS2x family like RS2MA-T?
The RS2DA-T is the 200 V variant in the RS2x-T family, whereas RS2MA-T is rated for 1000 V VRRM. All share identical package (DO-214AC), current rating (2 A), thermal specs (RθJL = 14 °C/W), and mechanical construction-but differ in VRRM, trr, and VF. RS2DA-T offers the fastest recovery (150 ns) and lowest VF among the series, making it optimal for lower-voltage, higher-frequency applications. The RS2DA-T marking code is "RS2DA" on the device body.
RS2DA-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-214AC, SMA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 200 V
- Current - Average Rectified (Io):
- 2A
- Voltage - Forward (Vf) (Max) @ If:
- 1.3 V @ 2 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 150 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 200 V
- Capacitance @ Vr, F:
- 14pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
- Operating Temperature - Junction:
- -55°C ~ 150°C
RS2DA-T FAQ
1.How can I place an order for RS2DA-T through Aetrix?
Please submit a Request for Quotation (RFQ) for RS2DA-T 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 RS2DA-T reliable?
The price and inventory of RS2DA-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RS2DA-T is usually 5 days.
3.What payment methods are accepted for RS2DA-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RS2DA-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RS2DA-T?
RS2DA-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RS2DA-T 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 RS2DA-T?
For technical support, including RS2DA-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RS2DA-T requirements.
6.How does Aetrix verify that RS2DA-T is sourced from the original manufacturer or authorized distributors?
All RS2DA-T 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 RS2DA-T meets industry standards.
7.What is the process for return or replacement of RS2DA-T?
All RS2DA-T units undergo pre-shipment inspection (PSI). If there is an issue with RS2DA-T, 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 RS2DA-T part is unused and in its original packaging.
Return procedure for RS2DA-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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