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Taiwan Semiconductor Corporation DBLS151GH
- Part No.:
- DBLS151GH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Bridge Rectifiers
- Package:
- 4-SMD, Gull Wing
- Datasheet:
-
DBLS151GH.pdf
- Description:
- BRIDGE RECT 1PHASE 50V 1.5A DBLS
- Quantity:
- Payment:
- Shipping:
Inventory:8,958
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Product details
Overview
DBLS151GH from Taiwan Semiconductor is a 1.5A, 50V repetitive peak reverse voltage (VRRM) standard quad bridge rectifier in DBLS surface-mount package, featuring 50A peak surge current (IFSM), 1.10V max forward voltage at 1.5A, and AEC-Q101 qualification for automotive-grade reliability - used in compact AC/DC front-end stages of LED drivers and low-power adapters.
For engineers reviewing the DBLS151GH datasheet, DBLS151GH pinout, DBLS151GH application, or DBLS151GH equivalent, key selection factors include VRRM=50V rating, IF=1.5A continuous capability, AEC-Q101 qualification status, thermal resistance (RθJA=40°C/W), and DBLS package compatibility with high-density PCB layouts.
Technical Context
The DBLS151GH integrates four silicon diodes in a single-phase full-wave bridge configuration, enabling AC-to-DC conversion without external interconnects. Its DBLS molded plastic package supports reflow soldering per J-STD-002, with matte tin-plated leads and UL 94V-0 rated compound.
Designed for operation up to 150°C junction temperature, it delivers 10.3 A²s fusing I²t rating under 8.3ms half-sine surge, and exhibits ≤2 µA reverse leakage at 25°C - critical for low-loss standby power in energy-efficient SMPS designs.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 50 V - Maximum non-repetitive reverse voltage the device blocks without breakdown; defines minimum input AC peak voltage handling capability. |
| IF | 1.5 A - Continuous average forward current rating; sets maximum sustained DC output current in rectifier stage. |
| IFSM | 50 A - Peak non-repetitive surge current for 8.3 ms; determines robustness against line transients and inrush events. |
| VF (max) | 1.10 V @ 1.5 A, 25°C - Forward voltage drop per diode; directly impacts conduction loss and thermal rise in 12V/24V adapter designs. |
| RθJA | 40 °C/W - Junction-to-ambient thermal resistance; used to calculate temperature rise under real PCB copper area and airflow conditions. |
| I²t (fusing) | 10.3 A²s - Energy withstand before fuse failure; informs coordination with upstream fuses or PTCs in overcurrent protection schemes. |
Pinout & Package
Package: DBLS - Surface-mount, 4-terminal molded plastic case with gull-wing leads, UL 94V-0 rated, moisture sensitivity level 1 (J-STD-020), weight ≈0.360 g.
| 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 AC line. |
| AC2 | AC Input Terminal 2 | Second AC input node; completes full-wave bridge input path with AC1. |
| + (Anode) | Positive DC Output | Full-wave rectified positive output terminal; supplies filtered DC bus to downstream capacitor and regulator. |
| – (Cathode) | Negative DC Output / Common Return | Common cathode return path; referenced to system ground or negative rail in isolated/non-isolated topologies. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade temperature cycling, humidity, and mechanical stress - enables use in cabin electronics and body control modules. |
| UL Recognized (E-326854) | Meets safety requirements for end-equipment certification including adapters and lighting drivers sold in North America. |
| RoHS & halogen-free | Complies with IEC 61249-2-21 and EU RoHS directives - supports environmental compliance for global OEM BOMs. |
| J-STD-020 MSL Level 1 | No floor life limitation or bake requirement before reflow - simplifies SMT assembly logistics and reduces handling overhead. |
Applications
| LED Lighting Driver | Low-Power AC/DC Adapter |
|---|---|
Use Scenario: Rectifying 12–24V AC transformer output in constant-current LED driver modules for commercial downlights. IC Role / Device Role / Timing Role: Full-wave bridge rectifier converting AC input to pulsating DC prior to bulk capacitor and buck controller. Use Value: 1.10V VF minimizes conduction loss at 1.5A, reducing thermal load on compact aluminum-core PCBs. | Use Scenario: Input-stage rectification in 5–12W wall plug-in adapters powering IoT sensors and smart home hubs. IC Role / Device Role / Timing Role: Primary-side AC/DC conversion element delivering unregulated DC to primary-side controller IC. Use Value: AEC-Q101 qualification ensures long-term reliability under repeated thermal cycling during intermittent device operation. |
| Industrial Control Power Supply | Automotive Cabin Power Module |
Use Scenario: Providing auxiliary 5V/12V rails in PLC I/O modules operating in factory environments with wide ambient temperature swings. IC Role / Device Role / Timing Role: Bridge rectifier in offline flyback or buck-derived auxiliary supply. Use Value: RθJA = 40°C/W enables stable operation up to 70°C ambient without forced airflow or heatsinking. | Use Scenario: Power conversion in USB-C charging modules embedded in vehicle center consoles and infotainment systems. IC Role / Device Role / Timing Role: Input rectifier in compact, isolated DC/DC converter feeding USB PD controller and port logic. Use Value: UL Recognition and MSL Level 1 support simplified safety certification and high-yield SMT manufacturing for automotive Tier-1 suppliers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GBU4A | VRRM = 50V, IF = 4.0A, larger GBU package (10.5 × 14.4 mm), RθJA ≈ 35°C/W | Higher current headroom but requires larger PCB footprint; not AEC-Q101 qualified | Choose GBU4A only when >1.5A continuous current or lower thermal resistance is required and automotive qualification is unnecessary. |
| DF04M | VRRM = 400V, IF = 1.5A, same DBLS package, no AEC-Q101 or UL recognition | Higher voltage rating unsuitable for 50V-class inputs; lacks safety certifications for end-product compliance | Select DF04M only for cost-sensitive industrial applications where 50V VRRM margin is excessive and safety agency approvals are waived. |
Compared with GBU4A and DF04M, the DBLS151GH uniquely combines AEC-Q101 qualification, UL recognition, and exact 50V VRRM matching for space-constrained, certified low-voltage AC/DC designs - making it the only option meeting automotive and safety-critical requirements without footprint or derating trade-offs.
Availability
DBLS151GH is available at Aetrix Electronics and suitable for LED lighting drivers, low-power AC/DC adapters, and automotive cabin power modules requiring stable component supply across production lifecycles.
Supply support for DBLS151GH 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 rectifiers, TVS diodes, MOSFETs, and power ICs since 1979.
The DBLS series was developed to deliver high-reliability, surface-mount bridge rectifiers with automotive-grade qualification and global safety certifications - targeting compact, certified power supplies in lighting, consumer, and automotive electronics.
FAQ
What is the peak repetitive reverse voltage rating of the DBLS151GH?
The DBLS151GH has a peak repetitive reverse voltage (VRRM) rating of 50 V. This value is fixed for the '151' variant and confirmed in the Absolute Maximum Ratings table of the official Taiwan Semiconductor datasheet (Version M2103). It defines the maximum AC input voltage peak the device can block reliably in continuous operation - essential for selecting appropriate transformer secondary voltages in 12–24V AC/DC designs.
Is the DBLS151GH qualified to AEC-Q101 standards?
Yes, the DBLS151GH is explicitly AEC-Q101 qualified, as indicated by the 'H' suffix in its ordering code and confirmed in the FEATURES section of the Taiwan Semiconductor datasheet. This qualification covers stress tests including temperature cycling, high-temperature operating life, and unbiased highly accelerated stress testing - validating its suitability for automotive cabin electronics and other mission-critical applications.
What is the forward voltage drop of the DBLS151GH at rated current?
The DBLS151GH exhibits a maximum forward voltage (VF) of 1.10 V per diode at IF = 1.5 A and TJ = 25°C, per the Electrical Specifications table. This value is measured under pulsed conditions (PW = 0.3 ms) and represents worst-case conduction loss - critical for calculating efficiency and thermal design in low-voltage, high-current rectifier stages.
Does the DBLS151GH have UL safety recognition?
Yes, the DBLS151GH carries UL Recognition under File # E-326854, as stated in the FEATURES section of the official datasheet. This recognition applies to the DBLS package family and confirms compliance with UL 60950-1 and UL 62368-1 for use in end equipment such as adapters and LED drivers sold in North America.
What is the thermal resistance from junction to ambient for the DBLS151GH?
The DBLS151GH has a junction-to-ambient thermal resistance (RθJA) of 40°C/W, specified under Thermal Performance in the datasheet. This value assumes standard JEDEC test conditions (single-layer 1 in² copper pad) and is used to estimate junction temperature rise above ambient - a key input for reliability analysis in enclosed or thermally constrained applications.
DBLS151GH 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):
- 50 V
- Current - Average Rectified (Io):
- 1.5 A
- Voltage - Forward (Vf) (Max) @ If:
- 1.1 V @ 1.5 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
DBLS151GH FAQ
1.How can I place an order for DBLS151GH through Aetrix?
Please submit a Request for Quotation (RFQ) for DBLS151GH 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 DBLS151GH reliable?
The price and inventory of DBLS151GH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DBLS151GH is usually 5 days.
3.What payment methods are accepted for DBLS151GH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DBLS151GH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DBLS151GH?
DBLS151GH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DBLS151GH 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 DBLS151GH?
For technical support, including DBLS151GH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DBLS151GH requirements.
6.How does Aetrix verify that DBLS151GH is sourced from the original manufacturer or authorized distributors?
All DBLS151GH 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 DBLS151GH meets industry standards.
7.What is the process for return or replacement of DBLS151GH?
All DBLS151GH units undergo pre-shipment inspection (PSI). If there is an issue with DBLS151GH, 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 DBLS151GH part is unused and in its original packaging.
Return procedure for DBLS151GH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DBLS151GH Tags
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MB10S-13
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MB6S-TP
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CD-MBL210S
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BAS3007ARPPE6327HTSA1
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DF02M
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DF04M
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DF01M
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