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Taiwan Semiconductor Corporation RS2MH
- Part No.:
- RS2MH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
RS2MH.pdf
- Description:
- 500NS, 2A, 1000V, FAST RECOVERY
- Quantity:
- Payment:
- Shipping:
Inventory:5,800
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Product details
Overview
RS2MH from Taiwan Semiconductor is a 2 A, 1000 V fast recovery surface-mount rectifier in DO-214AA (SMB) package, featuring 500 ns reverse recovery time, 1.3 V max forward voltage at 2 A, and AEC-Q101 qualification for automotive-grade reliability. It serves as a freewheeling or snubber diode in high-voltage DC-DC converters and automotive lighting systems.
For engineers reviewing the RS2MH datasheet, RS2MH pinout, RS2MH application, or RS2MH equivalent, key selection criteria include peak reverse voltage rating (1000 V), thermal resistance (RθJL = 18 °C/W), junction temperature range (–55 to +175 °C), and moisture sensitivity level (J-STD-020 Level 1).
Technical Context
The RS2MH operates as a single-die, unidirectional silicon rectifier with glass-passivated junction for enhanced reliability under thermal cycling and humidity stress. Its fast recovery (trr = 500 ns) enables efficient switching in high-frequency power conversion topologies up to several hundred kHz.
Designed for surface-mount assembly, the device uses matte tin-plated leads compliant with J-STD-002 solderability and meets JESD201 Class 2 whisker resistance. The DO-214AA (SMB) package supports automated placement and provides UL 94V-0 flammability-rated molding compound.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 1000 V - Maximum repetitive reverse voltage; defines safe blocking capability in high-voltage DC bus or snubber circuits |
| IF | 2 A - Continuous average forward current; determines steady-state power dissipation and heatsink sizing |
| trr | 500 ns - Reverse recovery time; limits switching losses and EMI generation in hard-switched converters |
| VF (max) | 1.3 V @ 2 A - Forward voltage drop; directly impacts conduction loss and thermal design at full load |
| RθJL | 18 °C/W - Junction-to-lead thermal resistance; enables direct PCB copper pour thermal management without external heatsink |
| IFSM | 50 A - Non-repetitive surge current (8.3 ms); supports inrush and fault-current handling in automotive systems |
| TJ (max) | +175 °C - Maximum junction temperature; allows operation in under-hood environments with minimal derating |
Pinout & Package
DO-214AA (SMB) surface-mount package with cathode-indicated band; two-terminal device (anode and cathode) mounted on PCB via gull-wing leads. Lead finish: matte tin, solderable per J-STD-002.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Current entry point during forward conduction | Connected to lower-potential node (e.g., switch node in buck converter or ground return in snubber) |
| Cathode | Current exit point during forward conduction; marked by band | Connected to higher-potential node (e.g., input rail or inductive load return path) |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive applications including engine control, lighting, and body electronics per stress test requirements |
| Glass passivated junction | Prevents moisture ingress and metallization corrosion, extending lifetime in humid or thermally cycled environments |
| Fast recovery (500 ns) | Reduces switching loss and improves efficiency in 100–500 kHz DC-DC topologies compared to standard rectifiers |
| J-STD-020 Level 1 MSL | Zero bake requirement before reflow; compatible with standard SMT assembly lines without dry-pack handling |
| UL 94V-0 molding compound | Self-extinguishing plastic housing meets safety standards for automotive and industrial end equipment |
Applications
| Automotive LED Headlamp Driver | Industrial DC-DC Converter |
|---|---|
Use Scenario: High-side switching circuit in constant-current LED driver supplying 48 V headlamps with PWM dimming. IC Role / Device Role / Timing Role: Freewheeling diode across boost inductor to maintain current continuity during MOSFET off-time. Use Value: 1000 V VRRM withstands transient spikes from inductive kickback; 500 ns trr minimizes switching loss and audible noise. | Use Scenario: Isolated flyback converter powering 24 V control logic from 400 V DC bus in factory automation PLC. IC Role / Device Role / Timing Role: Output rectifier converting high-frequency transformer secondary AC to regulated DC output. Use Value: 2 A IF and 1.3 V VF ensure low conduction loss at full load; RθJL = 18 °C/W enables direct thermal coupling to PCB ground plane. |
| Snubber Network in Motor Drive Inverter | Car Interior Lighting Power Supply |
Use Scenario: RC snubber across IGBT collector-emitter in 3-phase inverter driving HVAC blower motor. IC Role / Device Role / Timing Role: Clamping diode absorbing turn-off voltage overshoot and dissipating stored energy. Use Value: 1000 V VRRM and 50 A IFSM handle repetitive transients up to 800 V with 10 µs duration without degradation. | Use Scenario: Buck-derived power supply for RGB ambient lighting modules in center console and door panels. IC Role / Device Role / Timing Role: Freewheeling path for synchronous rectifier control loop during low-side switch dead time. Use Value: AEC-Q101 qualification ensures zero-failure operation over 15-year vehicle life; DO-214AA footprint fits tight board space constraints. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast recovery rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH2R06 | Same 2 A / 600 V rating; trr = 50 ns (faster), but lower VRRM limits use to ≤600 V systems | Not suitable for 1000 V snubber or 800 V bus applications where RS2MH is specified | Select only when system VR ≤ 600 V and ultra-fast recovery is required |
| SB2100 | 2 A / 1000 V Schottky; VF ≈ 0.85 V (lower loss), but leakage >100 µA at 125 °C and no AEC-Q101 rating | Lacks automotive qualification and exhibits higher reverse leakage at elevated temperature | Consider for non-automotive, low-VF priority designs where TJ < 100 °C and reliability certification is not mandated |
Compared with STTH2R06 and SB2100, the RS2MH uniquely balances 1000 V blocking, AEC-Q101 compliance, and robust thermal performance (TJ = 175 °C) for under-hood automotive power stages where voltage margin and long-term reliability outweigh ultra-low VF or nanosecond trr.
Availability
RS2MH is available at Aetrix Electronics and suitable for automotive lighting, industrial DC-DC converters, and motor drive snubber circuits requiring stable component supply across multi-year production cycles.
Supply support for RS2MH 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 devices, rectifiers, TVS diodes, and MOSFETs for industrial and automotive markets.
The RS2MH belongs to TSC's RS2xH fast recovery rectifier family, engineered specifically for high-reliability, high-voltage switching applications in automotive electronics and industrial power supplies where AEC-Q101 compliance and thermal robustness are mandatory.
FAQ
What is the maximum junction temperature rating for RS2MH?
The RS2MH has a maximum junction temperature (TJ) of +175 °C, enabling operation in high-ambient environments such as automotive under-hood locations. This rating is validated per AEC-Q101 stress testing and allows minimal derating up to 150 °C ambient when used with adequate PCB copper area for heat spreading. The RS2MH maintains electrical integrity across its full –55 °C to +175 °C junction range.
Is RS2MH suitable for automotive applications?
Yes, the RS2MH is AEC-Q101 qualified and explicitly listed for automotive applications including car lighting, DC-DC converters, and snubber circuits. Its glass-passivated junction, J-STD-020 Level 1 moisture sensitivity, and UL 94V-0 package meet automotive manufacturing and reliability requirements. The RS2MH is designed for long-term operation in vibration-prone, thermally aggressive vehicle subsystems.
What is the reverse recovery time (trr) of RS2MH and how is it measured?
The RS2MH has a reverse recovery time (trr) of 500 ns, measured under conditions of IF = 0.5 A, IR = 1.0 A, and Irr = 0.25 A per the manufacturer's test circuit in Figure 6 of the datasheet. This value reflects the time required for minority carriers to clear after forward conduction, directly impacting switching loss and EMI in high-frequency power converters using the RS2MH.
Does RS2MH have a halogen-free and RoHS-compliant construction?
Yes, the RS2MH is both RoHS compliant and halogen-free, as confirmed in the official Taiwan Semiconductor documentation. The molding compound contains no brominated flame retardants or chlorine-based additives, and all materials meet EU Directive 2011/65/EU and JEDEC JS-709E requirements. This ensures environmental compliance for global automotive and industrial shipments of the RS2MH.
What packaging format is available for RS2MH?
The RS2MH is supplied in DO-214AA (SMB) surface-mount package on 3,000-piece tape-and-reel format, optimized for automated pick-and-place assembly. The package features matte tin-plated gull-wing leads compliant with J-STD-002 solderability standards, and the marking "RS2M" with cathode band clearly identifies polarity. No alternate packaging options (e.g., bulk or ammo pack) are offered for the RS2MH.
RS2MH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-214AA, SMB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 1000 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):
- 500 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 1000 V
- Capacitance @ Vr, F:
- 50pF @ 4V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AA (SMB)
- Operating Temperature - Junction:
- -55°C ~ 150°C
RS2MH FAQ
1.How can I place an order for RS2MH through Aetrix?
Please submit a Request for Quotation (RFQ) for RS2MH 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 RS2MH reliable?
The price and inventory of RS2MH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RS2MH is usually 5 days.
3.What payment methods are accepted for RS2MH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RS2MH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RS2MH?
RS2MH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RS2MH 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 RS2MH?
For technical support, including RS2MH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RS2MH requirements.
6.How does Aetrix verify that RS2MH is sourced from the original manufacturer or authorized distributors?
All RS2MH 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 RS2MH meets industry standards.
7.What is the process for return or replacement of RS2MH?
All RS2MH units undergo pre-shipment inspection (PSI). If there is an issue with RS2MH, 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 RS2MH part is unused and in its original packaging.
Return procedure for RS2MH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
RS2MH Tags
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