Taiwan Semiconductor Corporation DBLS202GHRDG
- Part No.:
- DBLS202GHRDG
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Bridge Rectifiers
- Package:
- 4-SMD, Gull Wing
- Datasheet:
-
DBLS202GHRDG.pdf
- Description:
- BRIDGE RECT 1PHASE 100V 2A DBLS
- Quantity:
- Payment:

- Shipping:

Inventory:8,812
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Product details
Overview
DBLS202GHRDG from Taiwan Semiconductor is a 2 A, 100 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 option (denoted by 'H' suffix). It is used in compact AC/DC front-end stages of offline power supplies.
For engineers reviewing the DBLS202GHRDG datasheet, DBLS202GHRDG pinout, DBLS202GHRDG application, or DBLS202GHRDG equivalent, key selection criteria include VRRM rating, thermal resistance (RθJL = 15 °C/W), moisture sensitivity level (MSL 1), UL recognition (E-326854), and RoHS/halogen-free compliance per IEC 61249-2-21.
Technical Context
This device integrates four diodes in a single-phase full-wave bridge configuration, enabling direct AC-to-DC conversion without external interconnection. Its DBLS molded plastic package supports automated SMT assembly and provides UL 94V-0 flammability rating with matte tin-plated leads compliant to J-STD-002 solderability and JESD 201 Class 2 whisker resistance.
Rated for junction temperatures from –55 °C to +150 °C and storage across the same range, DBLS202GHRDG delivers stable operation under transient load conditions, supported by 10.3 A²s fusing I²t rating and 2 µA max reverse leakage at 25 °C - critical for low-power standby and energy-efficient designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - maximum non-repetitive reverse voltage the bridge withstands without breakdown; defines minimum input AC voltage derating margin. |
| IF | 2 A - average forward current per device; determines continuous DC output capability in SMPS front-ends. |
| IFSM | 50 A - peak surge current for 8.3 ms half-sine; enables robustness against line transients and inrush events. |
| VF @ 2 A | 1.15 V - forward voltage drop per diode at rated current; directly impacts conduction loss and thermal design. |
| RθJL | 15 °C/W - junction-to-lead thermal resistance; enables efficient heat transfer to PCB copper, supporting high-density layouts. |
| MSL | Level 1 - no floor life limitation before reflow; eliminates baking requirements and simplifies manufacturing flow. |
| UL File | E-326854 - recognized component status confirms safety compliance for end-equipment certification. |
Pinout & Package
DBLS202GHRDG uses the DBLS surface-mount package: 4.2 mm × 4.2 mm × 2.5 mm body, gull-wing leads, matte tin-plated terminals, UL 94V-0 molding compound, and polarity marked on top surface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AC1 | AC input terminal 1 | One of two alternating-current input nodes; connects to live/neutral side of transformer secondary or EMI filter output. |
| AC2 | AC input terminal 2 | Second AC input node; completes full-wave bridge input path with AC1. |
| +DC | Positive DC output | Anode of internal upper diodes; delivers rectified positive rail to bulk capacitor or PFC stage. |
| –DC | Negative DC output / common | Cathode of internal lower diodes; serves as return path and system ground reference for downstream converters. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified variant available | Enables use in automotive infotainment and body electronics where reliability validation beyond industrial grade is mandated. |
| UL Recognized (E-326854) | Reduces end-product safety certification effort by eliminating need for component-level retesting in final assembly. |
| Moisture Sensitivity Level 1 | Eliminates pre-bake requirement prior to reflow, lowering production cost and preventing moisture-induced popcorn failure. |
| Halogen-free construction | Meets IEC 61249-2-21, supporting environmental compliance for export markets including EU RoHS and China RoHS. |
| High IFSM (50 A) | Withstands repeated cold-start surges in universal-input adapters without degradation, extending service life. |
Applications
| LED Driver Power Supply | USB Wall Adapter |
|---|---|
Use Scenario: Offline AC/DC conversion for constant-current LED drivers in commercial lighting fixtures. IC Role / Device Role / Timing Role: Primary rectification stage converting 85–265 VAC mains to unregulated DC bus feeding buck or flyback controller. Use Value: Low VF (1.15 V) minimizes conduction loss at 2 A, improving efficiency in thermally constrained aluminum-core PCBs. | Use Scenario: Compact 5 V/2.4 A USB charging adapter with universal AC input (90–264 VAC). IC Role / Device Role / Timing Role: Input bridge rectifier delivering DC to primary-side PWM controller and transformer. Use Value: MSL Level 1 and J-STD-002 solderability ensure zero-defect SMT yield in high-volume OEM assembly lines. |
| Industrial Control Power Module | Smart Home Gateway Power Stage |
Use Scenario: Auxiliary 12 V/1 A supply powering PLC I/O modules and communication interfaces. IC Role / Device Role / Timing Role: Isolated AC/DC front-end rectifier in multi-output flyback design with reinforced insulation. Use Value: UL E-326854 recognition allows direct integration into Class II insulated systems without additional isolation barriers. | Use Scenario: Dual-rail (5 V + 3.3 V) power supply for Wi-Fi/BLE gateway with always-on standby functionality. IC Role / Device Role / Timing Role: Bridge rectifier feeding active clamp flyback with ultra-low standby power target. Use Value: 2 µA max IR at 25 °C reduces no-load leakage, helping meet Energy Star Level VI and ERP Tier 2 standby limits. |
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 / 100 V rating, but GBU through-hole package (10.5 mm × 14.5 mm); RθJA = 50 °C/W vs. DBLS202GHRDG's 40 °C/W. | Requires PCB through-hole placement and wave soldering; unsuitable for fully SMT designs. | Select when legacy board reuse or mechanical mounting stability outweighs density and thermal advantages. |
| MB2S (Vishay) | Smaller SMB package (4.1 mm × 4.1 mm), same VRRM/IF, but IFSM = 30 A and RθJL = 20 °C/W - higher thermal impedance. | Limited surge robustness in high-line inrush scenarios; requires larger copper pour for equivalent thermal performance. | Prefer for space-constrained consumer devices where 30 A surge margin suffices and footprint matching is critical. |
Compared with GBU2K and MB2S, DBLS202GHRDG offers superior thermal performance (RθJL = 15 °C/W), MSL Level 1 handling, and UL recognition - making it optimal for high-yield, high-reliability SMT power supply designs requiring consistent surge immunity and regulatory alignment.
Availability
DBLS202GHRDG is available at Aetrix Electronics and suitable for switching mode power supplies, USB wall adapters, and LED driver applications requiring stable component supply, long-term lifecycle support, and AEC-Q101-compliant variants.
Supply support for DBLS202GHRDG 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.
The DBLS series was developed specifically for high-efficiency, high-reliability AC/DC front-end rectification in space-constrained SMT power supplies - emphasizing thermal performance, regulatory readiness, and manufacturability.
FAQ
What is the peak repetitive reverse voltage rating for DBLS202GHRDG?
The DBLS202GHRDG has a repetitive peak reverse voltage (VRRM) rating of 100 V, as confirmed in the Absolute Maximum Ratings table of the official Taiwan Semiconductor datasheet (Version J2103). This value defines the maximum AC voltage the device can block during normal operation without entering avalanche breakdown, and applies to each diode pair within the bridge configuration.
Is DBLS202GHRDG RoHS and halogen-free compliant?
Yes, DBLS202GHRDG is RoHS compliant and halogen-free in accordance with IEC 61249-2-21, as explicitly stated in the FEATURES section of the Taiwan Semiconductor DBLS201G–DBLS209G datasheet. The "G" suffix denotes green compound, confirming compliance with both environmental standards.
Does DBLS202GHRDG have AEC-Q101 qualification?
No - DBLS202GHRDG is not AEC-Q101 qualified. The "H" suffix (e.g., DBLS202GHRDH) indicates AEC-Q101 qualification; the "R" and "D" in DBLS202GHRDG denote tape-and-reel packaging (1500 pcs) and green compound, respectively. Only variants ending in "H" carry the AEC-Q101 designation.
What is the forward voltage drop of DBLS202GHRDG at rated current?
At IF = 2 A and TJ = 25 °C, the typical forward voltage drop (VF) of DBLS202GHRDG is 1.15 V per diode, as specified in the Electrical Specifications table. This value is measured under pulse test conditions (PW = 0.3 ms) and directly impacts conduction losses in the rectifier stage of DBLS202GHRDG-based power supplies.
What is the thermal resistance from junction to lead (RθJL) for DBLS202GHRDG?
The junction-to-lead thermal resistance (RθJL) of DBLS202GHRDG is 15 °C/W, per the Thermal Performance section of the Taiwan Semiconductor datasheet. This low value enables efficient heat transfer from the silicon die to the PCB copper via the gull-wing leads, supporting reliable operation at full 2 A load without forced airflow.
DBLS202GHRDG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- 4-SMD, Gull Wing
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 100 V
- Current - Average Rectified (Io):
- 2 A
- Voltage - Forward (Vf) (Max) @ If:
- 1.15 V @ 2 A
- Current - Reverse Leakage @ Vr:
- 2 µA @ 100 V
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DBLS
DBLS202GHRDG FAQ
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Once your DBLS202GHRDG 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 DBLS202GHRDG?
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6.How does Aetrix verify that DBLS202GHRDG is sourced from the original manufacturer or authorized distributors?
All DBLS202GHRDG 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 DBLS202GHRDG meets industry standards.
7.What is the process for return or replacement of DBLS202GHRDG?
All DBLS202GHRDG units undergo pre-shipment inspection (PSI). If there is an issue with DBLS202GHRDG, 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 DBLS202GHRDG part is unused and in its original packaging.
Return procedure for DBLS202GHRDG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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