Taiwan Semiconductor Corporation DBLS201GHC1G
- Part No.:
- DBLS201GHC1G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Bridge Rectifiers
- Package:
- 4-SMD, Gull Wing
- Datasheet:
-
DBLS201GHC1G.pdf
- Description:
- BRIDGE RECT 1PHASE 50V 2A DBLS
- Quantity:
- Payment:

- Shipping:

Inventory:7,369
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Product details
Overview
DBLS201GHC1G from Taiwan Semiconductor is a 2 A, 50 V repetitive peak reverse voltage (VRRM) standard quad bridge rectifier in DBLS surface-mount package, with 50 A peak surge current (IFSM), 1.15 V forward voltage at 2 A, and AEC-Q101 qualification. It serves as AC-to-DC conversion stage in compact offline power supplies for LED lighting drivers.
For engineers reviewing the DBLS201GHC1G datasheet, DBLS201GHC1G pinout, DBLS201GHC1G application, or DBLS201GHC1G equivalent, key selection criteria include VRRM margin for line-voltage transients, thermal resistance (RθJL = 15 °C/W) for board-level heat dissipation, IFSM rating for cold-start surge handling, and AEC-Q101 compliance for automotive-grade reliability validation.
Technical Context
This device integrates four silicon diodes in a single-phase bridge configuration with common-cathode and common-anode terminals externally accessible. Its DBLS package uses matte tin-plated leads compliant with J-STD-002 solderability and JESD201 Class 2 whisker resistance.
Rated for continuous operation up to 150 °C junction temperature and moisture sensitivity level 1 (per J-STD-020), DBLS201GHC1G supports reflow assembly without preconditioning. The 1.15 V typical forward voltage at 2 A and 2 µA max reverse leakage at 25 °C define conduction loss and standby power behavior in low-power SMPS designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IF | 2 A continuous average forward current - defines maximum steady-state DC output capability in bridge topology |
| VRRM | 50 V repetitive peak reverse voltage - sets minimum input AC peak voltage derating margin (e.g., 36 V RMS max) |
| IFSM | 50 A non-repetitive surge current (8.3 ms half-sine) - determines cold-start robustness against inrush into bulk capacitors |
| VF | 1.15 V typical at IF = 2 A, TJ = 25 °C - directly impacts conduction loss (2.3 W per bridge) and thermal design |
| RθJL | 15 °C/W junction-to-lead thermal resistance - enables direct PCB copper pour thermal coupling to reduce thermal impedance |
| TJ max | +150 °C maximum junction temperature - allows operation in sealed or high-ambient environments without forced air |
Pinout & Package
DBLS201GHC1G uses the DBLS surface-mount molded plastic package (UL 94V-0 rated), measuring 7.10 × 6.20 × 2.30 mm, with matte tin-plated gull-wing leads. Polarity is marked on top surface per device marking diagram.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AC1 | Bridge AC input terminal 1 | Connects to one side of transformer secondary or AC line input; must withstand full VRRM during reverse bias |
| AC2 | Bridge AC input terminal 2 | Connects to opposite side of transformer secondary; forms differential AC port with AC1 |
| + (Anode Common) | Positive DC output terminal | Delivers rectified positive voltage; carries full IF current to output capacitor and load |
| – (Cathode Common) | Negative DC output terminal | Serves as return path; electrically tied to cathodes of two internal diodes; referenced for output regulation |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD per stress test plan |
| Moisture sensitivity level 1 | Zero floor life limitation - can be stored indefinitely and placed directly into reflow without baking |
| UL Recognized (E-326854) | Meets UL 60950-1/62368-1 insulation and flammability requirements for end-equipment safety certification |
| Halogen-free construction | Complies with IEC 61249-2-21 - eliminates brominated flame retardants for RoHS-compliant manufacturing and recycling |
Applications
| LED Lighting Driver | USB-C Wall Adapter |
|---|---|
Use Scenario: Off-line AC/DC converter powering constant-current LED strings in commercial downlights. IC Role / Device Role / Timing Role: Primary rectification stage converting 90–264 V AC input to unregulated DC bus prior to flyback controller and MOSFET switch. Use Value: Low VF (1.15 V) minimizes conduction loss in thermally constrained aluminum-core PCBs; AEC-Q101 grade ensures >50,000-hour lumen maintenance under thermal cycling. | Use Scenario: Compact 20 W USB Power Delivery adapter with universal AC input. IC Role / Device Role / Timing Role: Input bridge rectifier feeding active clamp flyback IC; operates in discontinuous conduction mode with 50 kHz switching. Use Value: 50 A IFSM safely handles 10× rated current surges during plug-in events; DBLS package footprint enables < 12 mm² board area for input stage. |
| Industrial Sensor Power Supply | White Goods Control Board |
Use Scenario: Isolated 5 V/100 mA auxiliary supply for PLC analog input modules operating in factory-floor enclosures. IC Role / Device Role / Timing Role: Full-wave bridge rectifier in transformer-isolated linear regulator front-end, delivering ripple-suppressed DC to LDO. Use Value: RθJL = 15 °C/W allows direct thermal coupling to ground plane, maintaining TJ < 110 °C at 40 °C ambient without heatsink. | Use Scenario: Mainboard AC input rectification for refrigerator control electronics with variable-speed compressor drive. IC Role / Device Role / Timing Role: Bridge rectifier supplying bulk DC to PFC controller and main inverter gate drivers. Use Value: UL Recognition (E-326854) and halogen-free materials satisfy IEC 60335-1 safety and environmental compliance for household appliances. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GBU2K (ON Semiconductor) | Same 2 A / 50 V rating but GBU through-hole package; higher RθJA (50 °C/W); no AEC-Q101 option | Requires PCB through-hole mounting and larger board area; unsuitable for automated SMT lines or automotive use | Select only if legacy through-hole assembly or cost-driven non-automotive consumer designs |
| DF02M (Vishay) | 2 A / 50 V, DBLS-equivalent SMD package; 1.25 V VF max; no AEC-Q101 or UL recognition | Lacks automotive qualification and safety certification - limited to industrial or commercial equipment without regulatory constraints | Prefer when AEC-Q101 and UL are not required and lower forward voltage tolerance is acceptable |
Compared with GBU2K and DF02M, DBLS201GHC1G uniquely combines AEC-Q101 qualification, UL Recognition, and surface-mount DBLS packaging - enabling automotive lighting, certified consumer adapters, and space-constrained industrial controls without layout or safety redesign.
Availability
DBLS201GHC1G is available at Aetrix Electronics and suitable for LED lighting drivers, USB-C wall adapters, and industrial sensor power supplies requiring stable component supply across automotive, consumer, and industrial production programs.
Supply support for DBLS201GHC1G 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, automotive, and industrial markets since 1979.
DBLS201GHC1G belongs to TSC's DBLS-series standard bridge rectifiers - engineered for high-volume, cost-sensitive AC/DC front-ends where reliability, regulatory compliance, and SMT manufacturability are prioritized over ultra-low VF or high-frequency switching.
FAQ
What is the peak reverse voltage rating of DBLS201GHC1G?
DBLS201GHC1G has a repetitive peak reverse voltage (VRRM) rating of 50 V. This value defines the maximum instantaneous reverse voltage the device can block during normal operation. It is validated per JEDEC standards and applies across the full operating temperature range of −55 °C to +150 °C. Designers must ensure input AC peak voltage remains below this rating with appropriate safety margin.
Is DBLS201GHC1G suitable for automotive applications?
Yes, DBLS201GHC1G is AEC-Q101 qualified, meaning it has passed stress tests including high-temperature reverse bias, temperature cycling, and unbiased highly accelerated stress testing specifically for automotive discrete semiconductors. Its DBLS package, matte tin plating, and moisture sensitivity level 1 make it compatible with automotive PCB assembly processes. DBLS201GHC1G is commonly used in automotive LED headlamp drivers and body control module auxiliary supplies.
What is the forward voltage drop of DBLS201GHC1G at rated current?
The typical forward voltage (VF) of DBLS201GHC1G is 1.15 V at IF = 2 A and TJ = 25 °C, measured per pulse test conditions (PW = 0.3 ms). This value increases with junction temperature and current - at 125 °C, VF rises approximately 15%. Power dissipation due to VF directly affects thermal design, especially in enclosed LED driver housings where DBLS201GHC1G is frequently deployed.
Does DBLS201GHC1G require baking before reflow soldering?
No, DBLS201GHC1G has a moisture sensitivity level (MSL) of 1 per J-STD-020, meaning it may be stored indefinitely at ≤30 °C/60% RH and placed directly into standard lead-free reflow profiles without preconditioning or baking. This eliminates process steps and moisture-related popcorning risk, supporting high-yield SMT assembly for DBLS201GHC1G in lighting and adapter production lines.
What safety certifications does DBLS201GHC1G hold?
DBLS201GHC1G is UL Recognized under file number E-326854, confirming compliance with UL 60950-1 and UL 62368-1 for insulation, flammability (UL 94V-0), and construction integrity. It is also RoHS compliant and halogen-free per IEC 61249-2-21. These certifications allow direct use in end products requiring safety agency approval, including Class II USB-C adapters and commercial LED luminaires.
DBLS201GHC1G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- 4-SMD, Gull Wing
- Packaging:
- Tube
- Product Status:
- Active
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 50 V
- Current - Average Rectified (Io):
- 2 A
- Voltage - Forward (Vf) (Max) @ If:
- 1.15 V @ 2 A
- Current - Reverse Leakage @ Vr:
- 2 µA @ 50 V
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DBLS
DBLS201GHC1G FAQ
1.How can I place an order for DBLS201GHC1G through Aetrix?
Please submit a Request for Quotation (RFQ) for DBLS201GHC1G 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 DBLS201GHC1G reliable?
The price and inventory of DBLS201GHC1G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DBLS201GHC1G is usually 5 days.
3.What payment methods are accepted for DBLS201GHC1G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DBLS201GHC1G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DBLS201GHC1G?
DBLS201GHC1G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DBLS201GHC1G 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 DBLS201GHC1G?
For technical support, including DBLS201GHC1G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DBLS201GHC1G requirements.
6.How does Aetrix verify that DBLS201GHC1G is sourced from the original manufacturer or authorized distributors?
All DBLS201GHC1G 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 DBLS201GHC1G meets industry standards.
7.What is the process for return or replacement of DBLS201GHC1G?
All DBLS201GHC1G units undergo pre-shipment inspection (PSI). If there is an issue with DBLS201GHC1G, 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 DBLS201GHC1G part is unused and in its original packaging.
Return procedure for DBLS201GHC1G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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