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Taiwan Semiconductor Corporation BA158GH
- Part No.:
- BA158GH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
BA158GH.pdf
- Description:
- DIODE GEN PURP 600V 1A DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:10,000
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Product details
Overview
BA158GH from Taiwan Semiconductor is a 1A, 600V fast recovery rectifier diode in DO-204AL (DO-41) package, featuring 150ns reverse recovery time, 1.2V max forward voltage at 1A, and AEC-Q101 qualification for automotive-grade reliability. It serves as a primary output rectifier in switching-mode power supplies where low conduction loss and fast switching are required.
For engineers reviewing the BA158GH datasheet, BA158GH pinout, BA158GH application, or BA158GH equivalent, key selection criteria include its 600V VRRM, AEC-Q101 qualification status, 30A IFSM surge rating, thermal resistance of 60°C/W, and compatibility with automated tape-and-reel assembly due to its DO-41 packaging.
Technical Context
This device employs a single-die, glass-passivated PN junction optimized for fast recovery (trr = 150 ns) under IF = 0.5A / IR = 1.0A / Irr = 0.25A test conditions. Its 600V repetitive peak reverse voltage and 420V RMS reverse voltage support use in 230VAC input-derived DC-DC stages.
The BA158GH operates across –55°C to +150°C junction temperature range, with 5µA max reverse leakage at 25°C and 100µA at 125°C, enabling stable performance in thermally constrained automotive cabin and engine bay environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 600 V - supports 230VAC-derived 400–500V DC bus designs with margin |
| IF | 1 A continuous - suitable for low-to-medium power SMPS outputs up to ~12W |
| trr | 150 ns - enables efficient operation in 50–200 kHz switching converters |
| VF (max) | 1.2 V @ 1A, 25°C - limits conduction loss to ≤1.2W at full load |
| IFSM | 30 A (8.3ms half-sine) - withstands cold-start inrush and transient surges |
| RθJA | 60 °C/W - requires minimal heatsinking on standard FR-4 PCB with 1 cm² copper pour |
| Junction temp | –55°C to +150°C - qualified for under-hood automotive applications per AEC-Q101 |
Pinout & Package
Package: DO-204AL (DO-41), axial leaded, glass-passivated, RoHS- and halogen-free compliant. Cathode indicated by band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (lead without band) | Current entry point during forward conduction | Connected to lower-potential node (e.g., transformer secondary center-tap or switch node) |
| Cathode (lead with band) | Current exit point during forward conduction | Connected to output filter capacitor positive rail; defines polarity of rectified output |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive electronics including infotainment power supplies and body control modules |
| Glass passivated junction | Enhances moisture resistance and long-term reliability in humid or high-vibration environments |
| Low VF and trr | Reduces both conduction and switching losses-critical for >85% efficiency targets in compact adapters |
| Pure tin-plated leads | Ensures solderability per J-STD-002 and eliminates whisker risk per JESD201 Class 2 |
| UL 94V-0 molding compound | Meets flame-retardancy requirements for enclosed industrial and automotive enclosures |
Applications
| Automotive DC-DC Converter | Industrial SMPS Output Stage |
|---|---|
Use Scenario: 12V-to-5V/3.3V buck-derived auxiliary supply in vehicle infotainment head unit. IC Role / Device Role / Timing Role: Primary output rectifier in synchronous or quasi-resonant flyback topology. Use Value: AEC-Q101 rating ensures compliance with automotive qualification; 150ns trr minimizes switching loss at 100kHz operation. | Use Scenario: Secondary-side rectification in 24V-input industrial PLC power module. IC Role / Device Role / Timing Role: Fast recovery diode replacing Schottky in cost-sensitive 1A output rails. Use Value: 600V VRRM provides margin against line transients; 30A IFSM handles startup surges without derating. |
| Consumer AC-DC Adapter | LED Driver Power Supply |
Use Scenario: Compact wall-wart adapter delivering 9V/1A for IoT gateway devices. IC Role / Device Role / Timing Role: Output rectifier in discontinuous conduction mode (DCM) flyback converter. Use Value: 1.2V VF keeps conduction loss below 1.2W; DO-41 package fits tight board spacing. | Use Scenario: Constant-voltage stage in non-isolated LED driver for commercial signage. IC Role / Device Role / Timing Role: Freewheeling and rectification diode in buck-derived constant-current circuit. Use Value: 150°C TJMAX allows operation near heat-generating LED arrays; low CJ (15pF) reduces EMI coupling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast recovery rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH1R06 | Same 1A/600V rating; trr = 120ns (faster), RθJA = 75°C/W (higher thermal resistance) | Better switching efficiency but higher junction temperature rise at same PCB layout | Prefer STTH1R06 when optimizing for <100ns trr; verify thermal margin with 75°C/W RθJA |
| ON Semi MUR106 | Same 1A/600V; trr = 75ns; not AEC-Q101 qualified; VF = 1.7V (higher conduction loss) | Lower-cost industrial alternative without automotive qualification or low-VF advantage | Select MUR106 only for non-automotive, cost-driven designs where 1.7V VF is acceptable |
Compared with STTH1R06 and MUR106, the BA158GH uniquely combines AEC-Q101 qualification, 1.2V low forward voltage, and 150ns recovery-making it optimal for space-constrained, thermally demanding automotive and industrial power supplies where reliability and efficiency must coexist.
Availability
BA158GH is available at Aetrix Electronics and suitable for automotive infotainment power supplies, industrial PLC auxiliary rails, and compact AC-DC adapters requiring stable component supply and AEC-Q101 compliance.
Supply support for BA158GH 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 automotive, industrial, and consumer markets since 1979.
The BA158GH belongs to TSC's AEC-Q101-qualified fast recovery rectifier family, engineered specifically for high-reliability, medium-power switching power conversion in harsh-environment applications.
FAQ
What is the peak repetitive reverse voltage rating of the BA158GH?
The BA158GH has a peak repetitive reverse voltage (VRRM) rating of 600 V. This value is specified in the Absolute Maximum Ratings table of the official Taiwan Semiconductor datasheet (Version I2106) and defines the maximum reverse-biased voltage the device can block continuously without breakdown. It provides design margin for 230VAC-derived 400–500V DC bus systems.
Is the BA158GH qualified to AEC-Q101 standards?
Yes, the BA158GH is explicitly AEC-Q101 qualified, as confirmed by the "H" suffix in its ordering code and stated in the Features section of the Taiwan Semiconductor datasheet. This qualification covers stress tests including HTSL, TC, UHAST, and mechanical shock, validating its suitability for automotive electronics such as body control modules and infotainment power supplies.
What is the reverse recovery time (trr) specification for the BA158GH?
The BA158GH has a maximum reverse recovery time (trr) of 150 ns, measured under IF = 0.5A, IR = 1.0A, and Irr = 0.25A conditions. This parameter is documented in the Electrical Specifications table (Page 2, Version I2106) and directly impacts switching loss in high-frequency SMPS designs operating up to 200 kHz.
Does the BA158GH have a specified forward voltage drop?
Yes, the BA158GH has a maximum forward voltage (VF) of 1.2 V at 1 A forward current and 25°C junction temperature. This value is specified in the Electrical Specifications table and reflects conduction loss under typical operating conditions-critical for calculating thermal rise and system efficiency in 1A-output power stages.
What package type does the BA158GH use, and is it lead-free?
The BA158GH uses the DO-204AL (DO-41) axial package with pure tin-plated leads, fully compliant with RoHS and halogen-free requirements per IEC 61249-2-21. The package weight is approximately 0.330 g, and the molding compound meets UL 94V-0 flammability rating-confirmed in the Mechanical Data section of the official datasheet.
BA158GH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-204AL, DO-41, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 600 V
- Current - Average Rectified (Io):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 1.2 V @ 1 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 150 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 600 V
- Capacitance @ Vr, F:
- 15pF @ 4V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AL (DO-41)
- Operating Temperature - Junction:
- -55°C ~ 150°C
BA158GH FAQ
1.How can I place an order for BA158GH through Aetrix?
Please submit a Request for Quotation (RFQ) for BA158GH 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 BA158GH reliable?
The price and inventory of BA158GH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BA158GH is usually 5 days.
3.What payment methods are accepted for BA158GH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BA158GH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BA158GH?
BA158GH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BA158GH 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 BA158GH?
For technical support, including BA158GH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BA158GH requirements.
6.How does Aetrix verify that BA158GH is sourced from the original manufacturer or authorized distributors?
All BA158GH 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 BA158GH meets industry standards.
7.What is the process for return or replacement of BA158GH?
All BA158GH units undergo pre-shipment inspection (PSI). If there is an issue with BA158GH, 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 BA158GH part is unused and in its original packaging.
Return procedure for BA158GH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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