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Taiwan Semiconductor Corporation RS1BL
- Part No.:
- RS1BL
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-219AB
- Datasheet:
-
RS1BL.pdf
- Description:
- DIODE GP 100V 800MA SUB SMA
- Quantity:
- Payment:
- Shipping:
Inventory:17,837
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Product details
Overview
RS1BL from Taiwan Semiconductor is a fast recovery surface-mount rectifier diode rated for 100 V repetitive peak reverse voltage (VRRM), 0.8 A average forward current (IF), and 30 A non-repetitive surge current (IFSM), used in DC-DC converters and switching-mode power supplies where compact size and low forward voltage are critical.
For engineers reviewing the RS1BL datasheet, RS1BL pinout, RS1BL application, or RS1BL equivalent, key selection criteria include its 100 V VRRM rating, sub-SMA package compatibility with automated placement, 150 ns reverse recovery time (trr), 1.3 V max forward voltage at 0.8 A, and J-STD-020 Level 1 moisture sensitivity.
Technical Context
The RS1BL is a single-die, unidirectional silicon rectifier optimized for high-frequency switching applications. Its glass-passivated junction ensures stable performance under thermal cycling, while its sub-SMA package supports reflow soldering per J-STD-002 and meets UL 94V-0 flammability requirements.
It delivers 150 ns reverse recovery time at IF = 0.5 A / IR = 1.0 A / Irr = 0.25 A, with a maximum forward voltage of 1.3 V at 0.8 A and 25°C, and exhibits only 5 µA reverse leakage at 100 V and 25°C - enabling efficient operation in compact power conversion stages.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - Maximum repetitive reverse voltage the device blocks without breakdown |
| IF | 0.8 A - Continuous average forward current capability at TA = 75°C (derated above) |
| IFSM | 30 A - Peak non-repetitive surge current tolerance for 8.3 ms half-sine wave |
| trr | 150 ns - Reverse recovery time defining switching speed and high-frequency efficiency limit |
| VF (max) | 1.3 V @ 0.8 A, 25°C - Forward voltage drop directly impacting conduction loss and thermal design |
| IR (max) | 5 µA @ 100 V, 25°C - Low leakage current preserving efficiency in standby and light-load conditions |
| RθJA | 105 °C/W - Junction-to-ambient thermal resistance indicating required PCB copper area for thermal management |
Pinout & Package
Package: Sub-SMA - Surface-mount, molded plastic case with matte tin-plated leads; polarity indicated by cathode band; weight ≈ 0.019 g; UL 94V-0 rated compound.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to lower-potential side of circuit; must be routed with adequate copper for 0.8 A continuous current |
| Cathode | Forward current exit point | Marked by visible band; connects to higher-potential node; serves as reference for reverse voltage blocking |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Enhances long-term reliability and humidity resistance in industrial environments |
| Sub-SMA package | Enables high-density PCB layouts and compatibility with standard SMT pick-and-place equipment |
| 150 ns trr | Reduces switching losses in 100–500 kHz SMPS topologies compared to standard recovery diodes |
| J-STD-020 Level 1 moisture sensitivity | Eliminates need for dry-packaging or baking prior to reflow assembly |
| RoHS & halogen-free compliance | Meets IEC 61249-2-21 and global environmental regulations for commercial and industrial use |
Applications
| DC-DC Converter | Switching Mode Inverter |
|---|---|
Use Scenario: Secondary-side rectification in isolated flyback or forward converters delivering 5–24 V outputs at up to 10 W. IC Role / Device Role / Timing Role: Unidirectional current steering and AC-to-DC conversion during switch off-time. Use Value: 150 ns trr minimizes reverse recovery loss, improving efficiency >2% over 1N4007 in 100 kHz designs. | Use Scenario: Freewheeling path in half-bridge motor drive inverters for small appliances and fans. IC Role / Device Role / Timing Role: Provides controlled current recirculation during MOSFET dead-time intervals. Use Value: Low 1.3 V VF reduces conduction loss during freewheeling, lowering MOSFET stress and heatsink requirements. |
| AC-DC Adapter Output Stage | Industrial Sensor Power Supply |
Use Scenario: Output rectification in universal-input (90–264 VAC) wall adapters powering IoT gateways. IC Role / Device Role / Timing Role: Converts transformer secondary AC into regulated DC bus before LDO or buck stage. Use Value: 100 V VRRM safely handles reflected transients and ripple peaks in low-cost flyback designs. | Use Scenario: Auxiliary rail generation in 24 V industrial PLC I/O modules requiring clean, low-noise 5 V/3.3 V supply. IC Role / Device Role / Timing Role: Isolates and rectifies auxiliary winding output in multi-output flyback transformers. Use Value: 5 µA IR at 25°C prevents measurable load on sensitive analog sensor rails during standby. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast recovery rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor MUR110 | VRRM = 100 V, IF = 1.0 A, trr = 75 ns, SMA package | Higher IF rating and faster trr, but requires tighter layout due to higher dI/dt sensitivity | Preferred where higher current headroom or <100 ns trr is needed; verify snubber design |
| Vishay VS-1EQH01-M3/5AT | VRRM = 100 V, IF = 1.0 A, trr = 150 ns, SMA package, AEC-Q101 qualified | Automotive-grade qualification adds cost and test overhead not needed for industrial use | Choose only if automotive qualification is mandatory; otherwise RS1BL offers better cost-performance balance |
Compared with MUR110 and VS-1EQH01-M3/5AT, the RS1BL provides identical 100 V VRRM and 150 ns trr in a lower-cost, industrial-qualified sub-SMA package - making it optimal for cost-sensitive, non-automotive power conversion where 0.8 A IF suffices.
Availability
RS1BL is available at Aetrix Electronics and suitable for DC-DC converters, switching mode inverters, and industrial sensor power supplies requiring stable component supply, consistent parametric performance, and long-term manufacturing continuity.
Supply support for RS1BL 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 semiconductor manufacturer specializing in discrete power devices, including rectifiers, TVS diodes, and MOSFETs, with global distribution and AEC-Q200-qualified lines.
The RS1BL belongs to TSC's RS1xL fast recovery rectifier family, designed specifically for high-efficiency, surface-mount power conversion in consumer, industrial, and computing applications where space, thermal performance, and reliability are prioritized.
FAQ
What is the maximum junction temperature rating for the RS1BL?
The RS1BL has a maximum junction temperature (TJ) rating of +150°C, with operational range from –55°C to +150°C. This allows reliable operation in enclosed industrial enclosures or near heat-generating components when mounted on sufficient copper area. Thermal derating begins above 75°C ambient, and RθJA = 105°C/W must be considered in PCB layout. The RS1BL maintains specified electrical parameters within this full TJ range.
Is the RS1BL RoHS and halogen-free compliant?
Yes, the RS1BL is RoHS compliant and halogen-free per IEC 61249-2-21. Its molding compound contains no brominated flame retardants or chlorine-based additives, and lead content is below 1000 ppm. This compliance is verified per TSC's material declarations and applies to all production lots shipped after Version N2103. The RS1BL meets environmental requirements for export to EU, China, and Japan markets.
What does the marking code 'RBL' indicate on the RS1BL device?
The marking code 'RBL' laser-etched on the RS1BL case identifies it as the 100 V variant within the RS1xL series - 'R' denotes rectifier, 'B' specifies 100 V VRRM, and 'L' indicates sub-SMA packaging. This matches the ordering code RS1BL and distinguishes it from RS1AL (50 V), RS1DL (200 V), and other members. The cathode band adjacent to the marking confirms polarity orientation during PCB placement.
Can the RS1BL replace a 1N4007 in a switching power supply?
No - the RS1BL is not a direct replacement for the 1N4007. While both are rectifiers, the 1N4007 has 1000 V VRRM and 30 µs trr, whereas the RS1BL offers only 100 V VRRM but much faster 150 ns trr. Using RS1BL in place of 1N4007 risks catastrophic failure in high-voltage AC-DC inputs. It is suitable only where 100 V blocking suffices and fast recovery is required - e.g., secondary-side DC-DC stages. Always verify voltage stress margins before substituting the RS1BL.
What is the moisture sensitivity level (MSL) of the RS1BL and how does it affect handling?
The RS1BL has a moisture sensitivity level (MSL) of Level 1 per J-STD-020, meaning it may be stored indefinitely at ≤30°C/60% RH without dry packing or baking. This eliminates pre-reflow baking steps and simplifies SMT line integration. The sub-SMA package's glass passivation and conformal molding contribute to this robustness. For RS1BL, standard reflow profiles (e.g., IPC-J-STD-020 Class 3) can be applied directly from tape-and-reel without MSL-related process adjustments.
RS1BL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-219AB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Not For New Designs
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 100 V
- Current - Average Rectified (Io):
- 800mA
- 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 @ 100 V
- Capacitance @ Vr, F:
- 10pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- Sub SMA
- Operating Temperature - Junction:
- -55°C ~ 150°C
RS1BL FAQ
1.How can I place an order for RS1BL through Aetrix?
Please submit a Request for Quotation (RFQ) for RS1BL 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 RS1BL reliable?
The price and inventory of RS1BL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for RS1BL is usually 5 days.
3.What payment methods are accepted for RS1BL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for RS1BL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for RS1BL?
RS1BL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your RS1BL 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 RS1BL?
For technical support, including RS1BL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your RS1BL requirements.
6.How does Aetrix verify that RS1BL is sourced from the original manufacturer or authorized distributors?
All RS1BL 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 RS1BL meets industry standards.
7.What is the process for return or replacement of RS1BL?
All RS1BL units undergo pre-shipment inspection (PSI). If there is an issue with RS1BL, 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 RS1BL part is unused and in its original packaging.
Return procedure for RS1BL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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