My Inquiry
My Account
Taiwan Semiconductor Corporation DBL156G-T
- Part No.:
- DBL156G-T
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Bridge Rectifiers
- Package:
- 4-DIP (0.300", 7.62mm)
- Datasheet:
-
DBL156G-T.pdf
- Description:
- BRIDGE RECT 1PHASE 800V 1.5A DBL
- Quantity:
- Payment:
- Shipping:
Inventory:9,710
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
DBL156G-T from Taiwan Semiconductor is a 1.5A, 800V standard quad bridge rectifier in DBL package, designed for AC-to-DC conversion in off-line power supplies. It features 50A peak surge current capability, 1.1V max forward voltage per diode at 1.5A, and operates up to 150°C junction temperature.
For engineers reviewing the DBL156G-T datasheet, DBL156G-T pinout, DBL156G-T application, or DBL156G-T equivalent, key selection criteria include repetitive peak reverse voltage (800V), thermal resistance (15°C/W junction-to-lead), RoHS/halogen-free compliance, and UL recognition for safety-critical power conversion designs.
Technical Context
The DBL156G-T integrates four silicon diodes in a single-phase full-wave bridge configuration with common-cathode and common-anode terminals. Its 800V VRRM rating supports input rectification in universal-input SMPS and lighting ballasts operating from 230VAC mains with margin.
Thermal performance is defined by RθJL = 15°C/W and RθJA = 40°C/W, enabling reliable operation under sustained 1.5A average forward current when mounted on PCBs with adequate copper area. The device meets JESD201 Class 1A whisker resistance and UL 94V-0 flammability requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 800 V - Supports rectification of 230VAC inputs with ≥2× safety margin against line transients |
| IF | 1.5 A - Sustained average forward current rating for continuous conduction mode operation |
| IFSM | 50 A - Withstands 8.3ms half-sine surge without failure, critical for cold-start inductive loads |
| VF (per diode) | ≤1.1 V @ 1.5A, 25°C - Limits conduction loss to ≤1.65W total for bridge at rated current |
| TJ max | +150°C - Enables use in enclosed, high-ambient environments such as LED drivers and adapters |
| RθJL | 15 °C/W - Allows direct thermal path to PCB copper, reducing need for external heatsinking |
| CJ (per diode) | 25 pF @ 1MHz, 4V - Minimizes high-frequency switching noise coupling in SMPS feedback paths |
Pinout & Package
Package: DBL - Molded plastic case with matte tin-plated leads, UL 94V-0 rated, 0.360g weight, polarity marked on body.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| ~AC1 | AC input terminal 1 | One leg of AC input; connects to transformer secondary or EMI filter output |
| ~AC2 | AC input terminal 2 | Second leg of AC input; completes full-wave bridge input path |
| +DC | Positive DC output | Common cathode node delivering rectified positive voltage to bulk capacitor |
| –DC | Negative DC output | Common anode node serving as circuit ground reference for downstream regulation |
Key Features
| Feature | Design Value |
|---|---|
| UL Recognized (E-326854) | Validates safety compliance for end-equipment certification without additional component-level testing |
| RoHS & Halogen-Free | Meets IEC 61249-2-21 and global environmental regulations for consumer/industrial shipments |
| JESD201 Class 1A Whisker Resistance | Prevents tin whisker growth under thermal cycling, ensuring long-term solder joint reliability |
| High IFSM/IF Ratio (33×) | Enables robust handling of inrush currents during power-up without derating or snubbing |
| Low RθJL (15°C/W) | Permits efficient heat transfer to PCB copper, supporting compact board layouts in space-constrained adapters |
Applications
| LED Lighting Driver | Universal Input Adapter |
|---|---|
Use Scenario: Rectifying 85–265VAC input in constant-current LED drivers for commercial downlights. IC Role / Device Role / Timing Role: Primary AC-to-DC conversion stage providing unregulated DC bus for buck or flyback controller ICs. Use Value: 800V VRRM ensures margin over 265VAC peak (375V) plus line surges; low VF reduces thermal stress in sealed enclosures. | Use Scenario: Input rectification in 12V/2A wall-mounted USB-C PD adapters with universal AC input. IC Role / Device Role / Timing Role: Front-end bridge rectifier feeding active PFC or quasi-resonant flyback converter. Use Value: 50A IFSM handles cold-start surge into large bulk capacitors; DBL package enables automated assembly and high-density layout. |
| Industrial SMPS | Electronic Ballast |
Use Scenario: Off-line 24V/1.5A power supply for PLC I/O modules operating in factory environments. IC Role / Device Role / Timing Role: Uncontrolled rectification stage preceding isolated DC-DC converters. Use Value: 150°C TJ max and 15°C/W RθJL support operation in 70°C ambient industrial cabinets without forced air. | Use Scenario: AC input rectification in magnetic/electronic hybrid fluorescent lamp ballasts. IC Role / Device Role / Timing Role: Full-wave bridge supplying DC link for high-frequency inverter stage. Use Value: UL recognition simplifies end-product safety approval; halogen-free construction meets lighting industry material declarations. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar bridge rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| GBU8K-E3/51 (Vishay) | Same 1.5A/800V rating, but GBU package (larger footprint, higher RθJA = 50°C/W) | Less suitable for ultra-thin adapters due to taller profile and lower thermal efficiency | Select DBL156G-T where PCB space and thermal performance are constrained |
| GBU6K (ON Semiconductor) | Identical DBL package and pinout, but rated at 1.0A/800V - lower IF and IFSM (35A) | Requires derating in 1.5A continuous applications; not recommended for full-load SMPS | DBL156G-T provides 50% higher IF headroom and 43% higher surge rating than GBU6K |
Compared with GBU8K-E3/51 and GBU6K, the DBL156G-T delivers superior thermal performance in compact form factor and higher surge robustness without sacrificing safety certification - making it optimal for high-density, thermally demanding AC/DC front-ends.
Availability
DBL156G-T is available at Aetrix Electronics and suitable for switching mode power supplies, LED lighting drivers, and universal-input adapters requiring stable component supply and consistent parametric performance across production lots.
Supply support for DBL156G-T 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 products.
The DBL series was developed specifically for cost-sensitive, high-volume AC/DC power conversion applications where reliability, safety certification, and thermal efficiency are prioritized over ultra-low VF or ultra-high speed.
FAQ
What is the maximum repetitive peak reverse voltage (VRRM) for DBL156G-T?
The DBL156G-T has a maximum repetitive peak reverse voltage (VRRM) of 800 V. This rating is explicitly specified in the Absolute Maximum Ratings table for DBL156G-T in the Taiwan Semiconductor datasheet (Version C2103). It defines the highest instantaneous reverse voltage the device can block repeatedly without breakdown, making DBL156G-T suitable for universal-input (85–265VAC) power supplies where peak line voltage reaches ~375V and transient margins are required.
Is DBL156G-T RoHS and halogen-free compliant?
Yes, DBL156G-T is RoHS compliant and halogen-free according to IEC 61249-2-21. This is confirmed in the FEATURES section of the official Taiwan Semiconductor datasheet (Version C2103), which states both compliance statements directly for the DBL154G-T through DBL157G-T family. The "G" suffix in DBL156G-T denotes green compound, aligning with these environmental specifications.
What is the forward voltage (VF) specification for DBL156G-T at rated current?
The DBL156G-T has a maximum forward voltage (VF) of 1.1 V per diode at IF = 1.5 A and TJ = 25°C, as stated in the Electrical Specifications table. Since the DBL156G-T is a full-wave bridge, two diodes conduct in series during each half-cycle, resulting in a total bridge VF of up to 2.2 V at full load - a key parameter for calculating conduction losses in DBL156G-T-based power supplies.
Does DBL156G-T have UL recognition?
Yes, DBL156G-T is UL Recognized under File # E-326854. This is explicitly listed in the FEATURES section of the Taiwan Semiconductor DBL154G-T–DBL157G-T datasheet (Version C2103). UL recognition applies to the entire DBL family, confirming compliance with UL 60747-4 for discrete semiconductors and facilitating end-equipment safety certification.
What is the junction-to-lead thermal resistance (RθJL) for DBL156G-T?
The junction-to-lead thermal resistance (RθJL) for DBL156G-T is 15°C/W, as specified in the Thermal Performance table of the official datasheet. This value reflects the thermal path from the silicon die to the lead frame and is critical for estimating temperature rise under load when the device is soldered to PCB copper. It is lower than typical GBU-package alternatives, giving DBL156G-T a thermal advantage in compact layouts.
DBL156G-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- 4-DIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Active
- Diode Type:
- Single Phase
- Technology:
- Standard
- Voltage - Peak Reverse (Max):
- 800 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 @ 800 V
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DBL
DBL156G-T FAQ
1.How can I place an order for DBL156G-T through Aetrix?
Please submit a Request for Quotation (RFQ) for DBL156G-T 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 DBL156G-T reliable?
The price and inventory of DBL156G-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DBL156G-T is usually 5 days.
3.What payment methods are accepted for DBL156G-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DBL156G-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DBL156G-T?
DBL156G-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DBL156G-T 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 DBL156G-T?
For technical support, including DBL156G-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DBL156G-T requirements.
6.How does Aetrix verify that DBL156G-T is sourced from the original manufacturer or authorized distributors?
All DBL156G-T 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 DBL156G-T meets industry standards.
7.What is the process for return or replacement of DBL156G-T?
All DBL156G-T units undergo pre-shipment inspection (PSI). If there is an issue with DBL156G-T, 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 DBL156G-T part is unused and in its original packaging.
Return procedure for DBL156G-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
DBL156G-T Tags
-
HDS10M-13
Diodes Incorporated
-
CD-MBL106S
Bourns Inc.
-
MB10S-13
Diodes Incorporated
-
CD-MBL206SL
Bourns Inc.
-
MB4S-TP
Micro Commercial Co
-
MB6S-TP
Micro Commercial Co
-
CD-MBL210S
Bourns Inc.
-
BAS3007ARPPE6327HTSA1
Infineon Technologies
-
DF02M
Diodes Incorporated
-
CD-MBL210SL
Bourns Inc.
-
DF04M
Diodes Incorporated
-
DF01M
Diodes Incorporated
Tech Hub
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
