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Taiwan Semiconductor Corporation RS1DLH
- Part No.:
- RS1DLH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- SOD-123
- Datasheet:
-
RS1DLH.pdf
- Description:
- 150NS, 0.8A, 200V, FAST RECOVERY
- Quantity:
- Payment:
- Shipping:
Inventory:4,016
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Product details
Overview
RS1DLH from Taiwan Semiconductor is a 0.8A, 200V fast recovery surface-mount rectifier in Sub SMA package, featuring 150 ns reverse recovery time, 1.3 V max forward voltage at 0.8A, and AEC-Q101 qualification for automotive-grade reliability-used in DC-DC converters and freewheeling paths.
For engineers reviewing the RS1DLH datasheet, RS1DLH pinout, RS1DLH application, or RS1DLH equivalent, key selection criteria include repetitive peak reverse voltage (200 V), junction-to-lead thermal resistance (32 °C/W), moisture sensitivity level (J-STD-020 Level 1), and RoHS/halogen-free compliance for automotive and industrial PCB designs.
Technical Context
The RS1DLH employs a glass passivated single-die silicon junction optimized for fast switching in high-frequency power conversion. Its 150 ns trr and low CJ (10 pF) support efficient operation in snubber and flyback circuits where reverse recovery loss must be minimized.
Designed for automated SMT placement, it features matte tin-plated leads compliant with J-STD-002 solderability and JESD201 Class 2 whisker resistance. Polarity is indicated by cathode band, and the Sub SMA case meets UL 94V-0 flammability rating.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 200 V - Maximum repetitive reverse blocking voltage; defines safe operating range in DC-DC output rectification |
| IF | 0.8 A - Continuous forward current rating; sets maximum steady-state conduction capability |
| trr | 150 ns - Measured at IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A; enables high-frequency switching up to ~1 MHz |
| VF (max) | 1.3 V @ 0.8 A, 25°C - Directly impacts conduction loss and thermal design in compact power stages |
| RθJL | 32 °C/W - Junction-to-lead thermal resistance; supports direct PCB copper pad heat sinking without heatsink |
| IR (max) | 5 µA @ 25°C, 50 µA @ 125°C - Low leakage ensures stable voltage hold-off in high-temperature automotive environments |
Pinout & Package
Package: Sub SMA - Surface-mount, single-ended, cathode-band marked case with matte tin-plated leads; footprint compatible with standard SMA but reduced height and weight (0.019 g).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to lower-potential side (e.g., switch node in buck converter); requires adequate copper pour for thermal relief |
| Cathode | Forward current exit / reverse blocking terminal | Marked by visible band; ties to output rail or ground return; critical for polarity-sensitive freewheeling paths |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive underhood applications including temperature cycling, humidity bias, and mechanical shock per stress test requirements |
| Glass passivated junction | Enhances long-term reliability and moisture resistance vs. epoxy-passivated alternatives in humid or condensing environments |
| J-STD-020 Level 1 MSL | Zero floor life limitation-no baking required before reflow, simplifying SMT line integration and reducing handling cost |
| UL 94V-0 molding compound | Self-extinguishing encapsulation material required for safety-critical automotive and industrial power modules |
Applications
| DC-DC Converter | Automotive Lighting |
|---|---|
Use Scenario: Output rectification in isolated flyback or non-isolated buck converters powering infotainment systems. IC Role / Device Role / Timing Role: Primary unidirectional power transfer element converting switched AC to regulated DC. Use Value: 150 ns trr minimizes switching loss during high-frequency operation (≥300 kHz), improving overall efficiency by ~1.2% over slower 500 ns diodes. | Use Scenario: LED driver freewheeling path in adaptive headlight modules with PWM dimming. IC Role / Device Role / Timing Role: Freewheeling diode providing current continuity during MOSFET off-time in inductive LED current regulation. Use Value: Low VF (≤1.3 V) reduces forward conduction loss, enabling higher LED current density within thermal limits of compact headlamp housings. |
| Snubber Network | Car Audio Power Supply |
Use Scenario: RCD snubber across primary-side MOSFETs in Class D amplifier SMPS. IC Role / Device Role / Timing Role: Fast-recovery clamp diode absorbing turn-off voltage spikes and limiting dv/dt stress. Use Value: 200 V VRRM and 150 ns trr ensure reliable clamping without oscillation or secondary breakdown during rapid MOSFET transitions. | Use Scenario: Secondary-side rectification in dual-rail ±12 V supply for analog audio amplifiers. IC Role / Device Role / Timing Role: High-reliability rectifier delivering clean, low-noise DC rails under dynamic load transients. Use Value: AEC-Q101 qualification and 150°C TJ max guarantee stable operation during sustained high-power audio playback in enclosed cabin 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 |
|---|---|---|---|
| STTH1R02FL | Same 200 V VRRM, 1 A IF, 120 ns trr; TO-277 package (higher thermal mass) | Higher surge current (50 A IFSM) but larger footprint; less suitable for ultra-thin automotive modules | Prefer when board space allows and higher IFSM margin is needed for transient-heavy loads |
| ON Semi MUR120RLG | 200 V VRRM, 1 A IF, 75 ns trr; SMA package (not Sub SMA), 1.1 V VF max | Faster recovery and lower VF, but not AEC-Q101 qualified; limited to commercial-temp industrial use | Choose for cost-sensitive non-automotive designs requiring best-in-class speed and conduction loss |
Compared with STTH1R02FL and MUR120RLG, the RS1DLH uniquely balances AEC-Q101 compliance, Sub SMA compactness, and 150 ns trr-making it optimal for space-constrained, thermally demanding automotive power stages where qualification and form factor are non-negotiable.
Availability
RS1DLH is available at Aetrix Electronics and suitable for DC-DC converters, automotive lighting systems, and snubber networks requiring stable component supply across production lifecycles.
Supply support for RS1DLH 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 automotive, industrial, and consumer markets since 1979.
The RS1DLH belongs to TSC's AEC-Q101-qualified fast recovery rectifier family, engineered specifically for high-efficiency, high-reliability power conversion in automotive underhood and cabin electronics.
FAQ
What is the maximum junction temperature rating for RS1DLH?
The RS1DLH has a maximum junction temperature (TJ max) of +150°C, validated per AEC-Q101 stress testing. This rating allows continuous operation in underhood automotive environments where ambient temperatures reach 125°C, provided thermal design maintains junction temperature below 150°C using the specified RθJL of 32°C/W. The RS1DLH datasheet confirms this limit applies across its full voltage range (50–1000 V variants).
Is RS1DLH suitable for automotive applications?
Yes, RS1DLH is AEC-Q101 qualified and explicitly listed for automotive applications including car lighting and DC-DC converters. It meets JESD201 Class 2 whisker resistance, J-STD-020 Level 1 moisture sensitivity, and UL 94V-0 flammability-key requirements for underhood and cabin electronics. The RS1DLH's glass passivated junction and 150°C TJ max further support automotive reliability standards.
What does the 'DLH' suffix indicate in RS1DLH?
The 'DLH' suffix in RS1DLH identifies the 200 V variant within the RS1xLH family: 'D' corresponds to VRRM = 200 V per Taiwan Semiconductor's ordering matrix. The 'LH' denotes Sub SMA packaging with green molding compound and standard marking (RDL). This coding is consistent across the RS1ALH–RS1MLH series, where 'A'=50V, 'B'=100V, 'D'=200V, 'G'=400V, etc.-as confirmed in the RS1DLH absolute maximum ratings table.
How does RS1DLH compare to RS1GLH in terms of reverse recovery time?
RS1DLH has a reverse recovery time (trr) of 150 ns, while RS1GLH (400 V variant) shares the same 150 ns trr rating per the electrical specifications table. Both are tested under identical conditions (IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A), confirming that trr is maintained across the 200 V and 400 V variants in this family-enabling consistent switching performance regardless of voltage selection. The RS1DLH and RS1GLH differ only in VRRM and marking code.
What is the forward voltage drop of RS1DLH at rated current?
The RS1DLH exhibits a maximum forward voltage (VF) of 1.3 V at IF = 0.8 A and TJ = 25°C, as specified in the electrical characteristics table. This value is measured under pulse conditions (PW = 0.3 ms) and represents worst-case conduction loss for thermal design. At elevated junction temperatures (e.g., 125°C), VF decreases slightly due to negative temperature coefficient of silicon diodes, but the RS1DLH datasheet does not specify a derated VF curve beyond the 25°C limit.
RS1DLH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- SOD-123
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Not For New Designs
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 200 V
- Current - Average Rectified (Io):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 1.3 V @ 800 mA
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 150 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 200 V
- Capacitance @ Vr, F:
- 10pF @ 4V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- Sub SMA
- Operating Temperature - Junction:
- -55°C ~ 150°C
RS1DLH FAQ
1.How can I place an order for RS1DLH through Aetrix?
Please submit a Request for Quotation (RFQ) for RS1DLH 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 RS1DLH reliable?
The price and inventory of RS1DLH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RS1DLH is usually 5 days.
3.What payment methods are accepted for RS1DLH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RS1DLH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RS1DLH?
RS1DLH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RS1DLH 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 RS1DLH?
For technical support, including RS1DLH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RS1DLH requirements.
6.How does Aetrix verify that RS1DLH is sourced from the original manufacturer or authorized distributors?
All RS1DLH 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 RS1DLH meets industry standards.
7.What is the process for return or replacement of RS1DLH?
All RS1DLH units undergo pre-shipment inspection (PSI). If there is an issue with RS1DLH, 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 RS1DLH part is unused and in its original packaging.
Return procedure for RS1DLH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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