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Taiwan Semiconductor Corporation BA159G B0G
- Part No.:
- BA159G B0G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
BA159G B0G.pdf
- Description:
- DIODE GEN PURP 1A DO204AL
- Quantity:
- Payment:
- Shipping:
Inventory:6,555
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Product details
Overview
BA159G from Taiwan Semiconductor is a single-die, fast recovery rectifier in DO-204AL (DO-41) package, rated for 1 A average forward current and 1000 V repetitive peak reverse voltage, with 250 ns reverse recovery time and 1.2 V max forward voltage at 1 A - used in high-efficiency DC-DC converters and switching inverters.
For engineers reviewing the BA159G datasheet, BA159G pinout, BA159G application, or BA159G equivalent, key selection criteria include its 1000 V VRRM, AEC-Q101 qualification option (BA159GH), 30 A surge rating, 150 °C junction temperature limit, and DO-41 mechanical compatibility in space-constrained power stages.
Technical Context
The BA159G operates as a unidirectional, single-junction silicon rectifier with glass-passivated die for enhanced moisture resistance and reliability. Its fast recovery characteristic (trr = 250 ns) enables use in medium-frequency switching topologies up to ~100 kHz without excessive switching loss.
Thermal performance is defined by RθJA = 60 °C/W under standard PCB mounting, and it supports continuous operation from –55 °C to +150 °C junction temperature. The cathode band marking and pure tin-plated leads comply with J-STD-002 solderability and JESD201 Class 2 whisker requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 1000 V - blocks up to 1000 V reverse voltage, enabling use in 700 V DC bus systems with safety margin |
| IF | 1 A average - supports continuous conduction mode in low-to-medium power SMPS outputs |
| IFSM | 30 A (8.3 ms half-sine) - withstands inrush and transient surges in industrial power supplies |
| trr | 250 ns - reduces switching losses and EMI in 50–100 kHz flyback and forward converters |
| VF max | 1.2 V @ 1 A, 25°C - limits conduction loss to ≤1.2 W per device at full load |
| TJ max | +150 °C - allows operation in sealed enclosures or high-ambient environments without derating |
| RθJA | 60 °C/W - requires minimal copper area (≥1 cm² on 1 oz Cu) for thermal management |
Pinout & Package
DO-204AL (DO-41) axial-leaded package with cathode indicated by a painted band; leads are pure tin-plated and compliant with J-STD-002 solderability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (unbanded end) | Forward current entry point | Connected to lower-potential side (e.g., transformer secondary center-tap or switch node) |
| Cathode (banded end) | Forward current exit / reverse blocking terminal | Connected to output rail or filter capacitor positive; polarity critical for correct rectification |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Prevents moisture-induced degradation and improves long-term reliability in humid environments |
| AEC-Q101 qualified variant (BA159GH) | Validated for automotive power modules requiring stress-tested component qualification |
| RoHS & halogen-free (IEC 61249-2-21) | Meets global environmental compliance for industrial and consumer end equipment |
| UL 94V-0 molding compound | Provides flame-retardant encapsulation essential for safety-critical power supplies |
Applications
| DC-DC Converter Output Stage | Switching Inverter Freewheeling Path |
|---|---|
Use Scenario: Secondary-side rectification in isolated 24–48 V input DC-DC converters delivering up to 12 V/1 A. IC Role / Device Role / Timing Role: Fast-recovery rectifier conducting during transformer demagnetization phase. Use Value: 250 ns trr minimizes reverse recovery charge (Qrr) and associated switching loss at 60–100 kHz. | Use Scenario: Freewheeling diode across IGBTs or MOSFETs in 3-phase motor inverters operating at 8–16 kHz PWM. IC Role / Device Role / Timing Role: Provides low-loss current recirculation path during switching transitions. Use Value: 1000 V VRRM ensures safe operation with 600 V DC bus and voltage spikes up to 1.2× bus. |
| Industrial AC-DC Front-End | LED Driver Secondary Rectification |
Use Scenario: Output rectification in universal-input (90–264 VAC) offline SMPS for PLC I/O modules. IC Role / Device Role / Timing Role: High-voltage, low-VF rectifier handling 1 A continuous output after bulk capacitance. Use Value: 1.2 V VF max reduces conduction loss to <1.2 W, easing thermal design in enclosed housings. | Use Scenario: Secondary-side rectification in constant-current LED drivers for street lighting (36–72 V output). IC Role / Device Role / Timing Role: Unidirectional current path delivering regulated DC to LED string. Use Value: DO-41 axial package enables manual assembly and rework in high-reliability outdoor lighting assemblies. |
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 1 A / 600 V rating; trr = 150 ns; TO-220AC package | Higher voltage margin not available; larger footprint and thermal mass | Preferred where lower trr is prioritized over voltage rating and board space is unconstrained |
| ON Semi MUR110 | 1 A / 1000 V; trr = 75 ns; DO-41 package; no AEC-Q101 option | Superior speed but lacks automotive-qualified variant and higher IR at 125°C | Selected when ultra-fast recovery dominates over qualification and high-temp leakage performance |
Compared with STTH1R06 and MUR110, the BA159G offers the highest VRRM in DO-41 form factor with AEC-Q101 availability (BA159GH), making it optimal for compact, high-voltage, automotive-qualified power supplies where 250 ns trr suffices.
Availability
BA159G is available at Aetrix Electronics and suitable for DC-DC converters, switching inverters, and industrial AC-DC front-ends requiring stable component supply, long-lifecycle support, and RoHS-compliant discrete rectifiers.
Supply support for BA159G 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 power rectifiers, TVS devices, and bipolar transistors.
The BA159G belongs to TSC's BA15xG fast recovery rectifier family, designed specifically for cost-sensitive, high-reliability power conversion in industrial, computing, and automotive auxiliary systems.
FAQ
What is the maximum repetitive peak reverse voltage (VRRM) of the BA159G?
The BA159G has a VRRM of 1000 V, verified per Taiwan Semiconductor's I2106 datasheet. This rating allows the BA159G to safely block reverse voltages up to 1000 V in applications such as 700 V DC bus systems with 30% safety margin. It distinguishes the BA159G from BA157G (400 V) and BA158G (600 V) in the same family.
Is the BA159G suitable for automotive applications?
The standard BA159G is not AEC-Q101 qualified, but the BA159GH variant is explicitly qualified per AEC-Q101. Engineers specifying BA159G for automotive use must select BA159GH - which shares identical electrical specs and DO-41 packaging but adds stress testing for temperature cycling, humidity, and mechanical shock required in vehicle power modules.
What is the reverse recovery time (trr) of the BA159G, and how does it compare to BA157G and BA158G?
The BA159G has a trr of 250 ns under IF = 0.5 A, IR = 1.0 A, and Irr = 0.25 A conditions. This is higher than BA157G (150 ns) and BA158G (150 ns), reflecting trade-offs between voltage rating and switching speed. All three share the same DO-41 package and thermal characteristics.
Does the BA159G have lead-free and halogen-free compliance?
Yes, the BA159G is RoHS compliant and halogen-free per IEC 61249-2-21. Its molding compound meets UL 94V-0 flammability rating, and its pure tin-plated leads satisfy J-STD-002 solderability requirements - confirmed in the official Taiwan Semiconductor datasheet revision I2106.
What is the thermal resistance (RθJA) of the BA159G, and how should it be applied in layout design?
The BA159G has a junction-to-ambient thermal resistance (RθJA) of 60 °C/W under standard JEDEC test conditions. For reliable operation at 1 A continuous current, PCB layout must provide ≥1 cm² of 1 oz copper connected to both leads, avoiding thermal isolation. Derating is required above 70 °C ambient per the forward current derating curve in the datasheet.
BA159G B0G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-204AL, DO-41, Axial
- Packaging:
- Bulk
- Product Status:
- Discontinued at Digi-Key
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 1000 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):
- 250 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 1000 V
- Capacitance @ Vr, F:
- 15pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AL (DO-41)
- Operating Temperature - Junction:
- -55°C ~ 150°C
BA159G B0G FAQ
1.How can I place an order for BA159G B0G through Aetrix?
Please submit a Request for Quotation (RFQ) for BA159G B0G 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 BA159G B0G reliable?
The price and inventory of BA159G B0G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BA159G B0G is usually 5 days.
3.What payment methods are accepted for BA159G B0G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BA159G B0G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BA159G B0G?
BA159G B0G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BA159G B0G 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 BA159G B0G?
For technical support, including BA159G B0G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BA159G B0G requirements.
6.How does Aetrix verify that BA159G B0G is sourced from the original manufacturer or authorized distributors?
All BA159G B0G 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 BA159G B0G meets industry standards.
7.What is the process for return or replacement of BA159G B0G?
All BA159G B0G units undergo pre-shipment inspection (PSI). If there is an issue with BA159G B0G, 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 BA159G B0G part is unused and in its original packaging.
Return procedure for BA159G B0G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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