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Taiwan Semiconductor Corporation RS2DAHR3G
- Part No.:
- RS2DAHR3G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
RS2DAHR3G.pdf
- Description:
- DIODE GEN PURP 200V 1.5A DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:9,783
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Product details
Overview
RS2DAHR3G from Taiwan Semiconductor is a 200V, 1.5A fast recovery surface-mount rectifier diode in DO-214AC (SMA) package, featuring 150 ns reverse recovery time, 1.3 V max forward voltage at 1.5 A, and 5 µA max reverse leakage at 25°C. It serves as a primary output rectifier in DC-DC converters and snubber circuits requiring high efficiency and thermal robustness up to 175°C junction temperature.
For engineers reviewing the RS2DAHR3G datasheet, RS2DAHR3G pinout, RS2DAHR3G application, or RS2DAHR3G equivalent, key selection criteria include repetitive peak reverse voltage (200 V), forward surge current rating (50 A), junction-to-lead thermal resistance (18 °C/W), and RoHS/halogen-free compliance for industrial power supply designs.
Technical Context
This discrete fast recovery rectifier employs a glass-passivated silicon junction optimized for switching-mode power supplies. Its 150 ns trr enables high-frequency operation in 50–500 kHz converters, while the DO-214AC package supports automated placement and meets J-STD-020 moisture sensitivity level 1.
The device operates across -55°C to +175°C junction range with 55 °C/W junction-to-ambient thermal resistance. Reverse leakage remains ≤5 µA at 25°C and ≤200 µA at 125°C under rated VR, supporting stable performance in thermally demanding lighting and inverter applications.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 200 V - Maximum repetitive reverse voltage the diode blocks without breakdown; defines usable input/output voltage range in flyback or forward converters. |
| IF | 1.5 A - Continuous average forward current rating; determines maximum sustained DC output capability in rectification paths. |
| trr | 150 ns - Measured at IF=0.5 A, IR=1.0 A, Irr=0.25 A; enables efficient operation in high-frequency SMPS with minimal switching loss. |
| VF (max) | 1.3 V @ 1.5 A, 25°C - Forward voltage drop directly impacts conduction loss and thermal design in power stages. |
| IFSM | 50 A - Peak non-repetitive surge current (8.3 ms half-sine); supports inrush and transient overload handling in AC/DC front-ends. |
| RθJL | 18 °C/W - Junction-to-lead thermal resistance; critical for heatsink-less PCB layout where lead copper acts as primary heat path. |
| Junction Temp | -55°C to +175°C - Wide operating range allows deployment in automotive under-hood or industrial motor drive environments. |
Pinout & Package
Package: DO-214AC (SMA), surface-mount plastic case with matte tin-plated leads, cathode indicated by band. Weight ≈ 0.060 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to lower-potential side of circuit (e.g., transformer secondary center-tap or switch node return). |
| Cathode | Forward current exit point | Marked with band; connects to output rail or filter capacitor positive; carries full load current and must route to adequate copper area. |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Enhances reliability and humidity resistance; eliminates need for conformal coating in humid industrial environments. |
| Fast recovery (150 ns) | Reduces switching losses vs. standard rectifiers; improves efficiency in 200–500 kHz DC-DC topologies. |
| Moisture sensitivity level 1 | Enables direct use in SMT reflow without baking; lowers manufacturing cost and process complexity. |
| RoHS & halogen-free | Meets IPC-1752A environmental compliance; required for CE-marked industrial and consumer power products. |
| Junction temp max 175°C | Supports compact thermal design in enclosed enclosures without active cooling in LED drivers or adapters. |
Applications
| DC-DC Converter Output Rectification | Snubber Circuit Protection |
|---|---|
Use Scenario: Used as secondary-side rectifier in isolated flyback or forward converters delivering 5–24 V DC at up to 1.5 A. IC Role / Device Role / Timing Role: Unidirectional current valve converting high-frequency AC from transformer into regulated DC output. Use Value: 150 ns trr minimizes reverse recovery loss during MOSFET turn-on, improving overall converter efficiency by ~0.8% at 250 kHz. | Use Scenario: Placed across switching FETs or IGBTs to absorb voltage spikes during turn-off in motor drives and inverters. IC Role / Device Role / Timing Role: Fast clamping element that conducts transient energy into RC network before voltage exceeds safe limits. Use Value: Low 5 µA IR at 25°C ensures minimal standby leakage; 50 A IFSM handles repetitive 100 ns spike events without degradation. |
| LED Driver Secondary Side | Switching Mode Inverter Input Stage |
Use Scenario: Rectifies high-frequency AC from resonant LLC or half-bridge transformers in constant-current LED drivers. IC Role / Device Role / Timing Role: High-reliability output rectifier operating continuously at elevated ambient temperatures near LEDs. Use Value: 175°C TJMAX allows operation at PCB temperatures up to 120°C without derating, reducing need for thermal vias. | Use Scenario: Front-end AC rectification in 400–800 V DC bus generation for three-phase inverters in HVAC and pump controls. IC Role / Device Role / Timing Role: Bridge leg component in single-phase input stage, handling 50/60 Hz line frequency plus harmonics. Use Value: 200 V VRRM provides sufficient margin over 170 V peak line voltage; DO-214AC footprint simplifies dual-diode bridge layout. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast recovery rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH1L20U (STMicroelectronics) | 200 V VRRM, 1 A IF, 110 ns trr, TO-277 package | Lower current rating; requires parallel devices for 1.5 A loads | Preferred when ultra-fast recovery (<120 ns) is prioritized over current capacity and SMT compatibility is acceptable. |
| ES1D (ON Semiconductor) | 200 V VRRM, 1 A IF, 35 ns trr, DO-214AC package | Higher speed but 33% lower IF; not suitable for continuous 1.5 A operation | Applicable only in low-duty-cycle or pulsed-load scenarios where peak current < 1 A and speed > 100 ns is critical. |
Compared with STTH1L20U and ES1D, RS2DAHR3G delivers balanced 1.5 A current handling and 150 ns recovery in a standard DO-214AC footprint-making it optimal for cost-sensitive, thermally constrained 1–2 A DC-DC outputs where both robustness and manufacturability matter.
Availability
RS2DAHR3G is available at Aetrix Electronics and suitable for DC-DC converters, LED drivers, and snubber circuits requiring stable component supply, JEDEC-compliant packaging, and long-term industrial lifecycle support.
Supply support for RS2DAHR3G 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 since 1979.
The RS2x series was designed specifically for high-efficiency, surface-mount power conversion in cost-sensitive industrial and consumer power supplies-emphasizing thermal robustness, automated assembly readiness, and consistent parametric performance across voltage grades.
FAQ
What is the maximum junction temperature rating for RS2DAHR3G?
The RS2DAHR3G has a maximum junction temperature (TJ) of +175°C and a minimum of -55°C. This wide operating range allows the device to function reliably in high-temperature environments such as enclosed LED drivers or industrial motor control enclosures without forced cooling. The RS2DAHR3G maintains specified electrical parameters across this full range when properly mounted on adequate copper area.
Does RS2DAHR3G meet RoHS and halogen-free requirements?
Yes, RS2DAHR3G is RoHS compliant and halogen-free per manufacturer documentation. It uses green molding compound meeting UL 94V-0 flammability rating and matte tin-plated leads compliant with J-STD-002 solderability standards. These attributes make RS2DAHR3G suitable for CE-marked and environmentally regulated end equipment including commercial lighting and industrial power supplies.
What is the reverse recovery time (trr) specification for RS2DAHR3G?
The RS2DAHR3G has a reverse recovery time (trr) of 150 ns, measured under conditions of IF = 0.5 A, IR = 1.0 A, and Irr = 0.25 A. This value is confirmed in the official Taiwan Semiconductor datasheet and enables efficient operation in switching power supplies operating up to 500 kHz. The RS2DAHR3G's trr is identical across all RS2x variants rated at ≤400 V.
Is RS2DAHR3G pin-compatible with other DO-214AC rectifiers like ES1D or STTH1L20U?
RS2DAHR3G shares the DO-214AC (SMA) package outline with ES1D and STTH1L20U, meaning mechanical footprint and solder pad layout are identical. However, RS2DAHR3G is not a direct functional replacement due to its higher 1.5 A current rating versus ES1D's 1 A or STTH1L20U's 1 A. Electrical validation is required before substitution, especially in thermal and surge-current-critical designs.
What is the marking code and polarity identification for RS2DAHR3G?
The RS2DAHR3G is marked "RS2D" on the device body, with a cathode band indicating the cathode terminal. Polarity is unambiguous: the banded end is cathode, and the opposite end is anode. This marking follows JEDEC DO-214AC conventions and matches the silkscreen polarity indicator used in standard SMA footprints on PCBs. No additional decoding or orientation aids are needed during automated placement.
RS2DAHR3G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-214AC, SMA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 200 V
- Current - Average Rectified (Io):
- 1.5A
- Voltage - Forward (Vf) (Max) @ If:
- 1.3 V @ 1.5 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 150 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 200 V
- Capacitance @ Vr, F:
- 50pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
- Operating Temperature - Junction:
- -55°C ~ 150°C
RS2DAHR3G FAQ
1.How can I place an order for RS2DAHR3G through Aetrix?
Please submit a Request for Quotation (RFQ) for RS2DAHR3G 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 RS2DAHR3G reliable?
The price and inventory of RS2DAHR3G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RS2DAHR3G is usually 5 days.
3.What payment methods are accepted for RS2DAHR3G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RS2DAHR3G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RS2DAHR3G?
RS2DAHR3G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RS2DAHR3G 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 RS2DAHR3G?
For technical support, including RS2DAHR3G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RS2DAHR3G requirements.
6.How does Aetrix verify that RS2DAHR3G is sourced from the original manufacturer or authorized distributors?
All RS2DAHR3G 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 RS2DAHR3G meets industry standards.
7.What is the process for return or replacement of RS2DAHR3G?
All RS2DAHR3G units undergo pre-shipment inspection (PSI). If there is an issue with RS2DAHR3G, 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 RS2DAHR3G part is unused and in its original packaging.
Return procedure for RS2DAHR3G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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