Taiwan Semiconductor Corporation BA159GHR1G
- Part No.:
- BA159GHR1G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
BA159GHR1G.pdf
- Description:
- DIODE GEN PURP 1A DO204AL
- Quantity:
- Payment:

- Shipping:

Inventory:6,302
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Product details
Overview
BA159GHR1G from Taiwan Semiconductor is a 1A, 1000V fast recovery rectifier diode in DO-204AL (DO-41) package, featuring 250 ns reverse recovery time, 1.2 V forward voltage at 1 A, and AEC-Q101 qualification for automotive-grade reliability in high-efficiency DC/DC converters.
For engineers reviewing the BA159GHR1G datasheet, BA159GHR1G pinout, BA159GHR1G application, or BA159GHR1G equivalent, key selection criteria include peak reverse voltage (1000 V), surge current capability (30 A), thermal resistance (60 °C/W), junction temperature range (–55 to +150 °C), and RoHS/halogen-free compliance for automotive and industrial power conversion designs.
Technical Context
This single-die, glass-passivated fast recovery rectifier delivers low conduction loss and controlled switching behavior via optimized carrier lifetime control. Its 250 ns trr and 15 pF junction capacitance support stable operation in 50–200 kHz switching mode power supplies.
The device uses pure tin-plated leads compliant with J-STD-002 and meets JESD 201 Class 2 whisker resistance. Polarity is marked by cathode band; case material meets UL 94V-0 flammability rating.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 1000 V - Maximum non-repetitive reverse voltage the diode blocks without breakdown; enables use in 800 V DC bus systems with safety margin. |
| IF | 1 A continuous - Rated average forward current under specified thermal conditions; defines steady-state power handling capability. |
| IFSM | 30 A - Peak non-repetitive surge current tolerance; supports inrush and transient overload in SMPS startup. |
| trr | 250 ns - Measured at IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A; determines switching loss and EMI profile in hard-switched topologies. |
| VF | 1.2 V max at IF = 1 A, TJ = 25°C - Forward voltage drop directly impacts conduction loss and thermal design of output rectification stage. |
| RθJA | 60 °C/W - Junction-to-ambient thermal resistance; used to calculate temperature rise in free-air PCB mounting without heatsink. |
| TJ max | +150 °C - Maximum allowable junction temperature; sets upper limit for thermal derating and system ambient operating envelope. |
Pinout & Package
Package: DO-204AL (DO-41), axial leaded, glass-passivated single-die rectifier. Cathode indicated by band on body. Leads are pure tin-plated, solderable per J-STD-002.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to lower-potential side (e.g., transformer secondary center-tap or switch node); must handle full IF and IFSM. |
| Cathode | Forward current exit / reverse blocking terminal | Connected to output rail or filter capacitor; polarity marking ensures correct orientation in high-voltage DC paths. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive power electronics per stress test requirements including temperature cycling, HTRB, and HTGB. |
| Glass passivated junction | Provides hermetic protection against moisture and contaminants, improving long-term reliability in humid or harsh environments. |
| Low VF (1.2 V max) | Reduces conduction losses by ~15% vs. standard recovery diodes at 1 A, lowering thermal load in compact layouts. |
| High IFSM (30 A) | Enables robustness against line surges and output short-circuit transients without bond wire fusing. |
| RoHS & halogen-free | Complies with IEC 61249-2-21; eliminates brominated flame retardants and supports green manufacturing and end-of-life recycling. |
Applications
| Automotive DC/DC Converters | Industrial SMPS Outputs |
|---|---|
Use Scenario: 12 V to 48 V bidirectional DC/DC converter in 48 V mild-hybrid vehicle architecture. IC Role / Device Role / Timing Role: Output rectifier in synchronous or quasi-resonant forward topology. Use Value: AEC-Q101 qualification and 1000 V VRRM ensure safe operation during load dump transients up to 87 V with margin. | Use Scenario: Secondary-side rectification in 24 V industrial programmable logic controller (PLC) power supply. IC Role / Device Role / Timing Role: Fast recovery rectifier in flyback or forward converter delivering regulated 24 V output. Use Value: 250 ns trr minimizes switching loss and ringing at 100 kHz operation, reducing EMI filter component count. |
| Telecom Power Rectification | Renewable Energy Inverter Auxiliary Supply |
Use Scenario: -48 V telecom rectifier module supplying backplane and interface circuitry. IC Role / Device Role / Timing Role: Primary output rectifier handling continuous 1 A load with burst-mode standby. Use Value: 1.2 V VF and 60 °C/W RθJA enable natural convection cooling without heatsink in space-constrained modules. | Use Scenario: Auxiliary 12 V supply in solar string inverter control board, powered from HV DC link. IC Role / Device Role / Timing Role: High-voltage input rectifier stepping down 600–1000 V DC to isolated auxiliary rail. Use Value: 1000 V VRRM rating allows direct connection to PV string voltages up to 1000 V with no external voltage divider. |
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 | 600 V VRRM, 150 ns trr, same DO-41 package, non-AEC-Q101 | Lower voltage rating limits use to ≤400 V DC bus systems; faster recovery reduces switching loss but sacrifices HV margin. | Preferred where 600 V rating suffices and lowest possible trr is critical; not suitable for 800–1000 V PV or automotive load dump. |
| ON Semiconductor MUR1100E | 1000 V VRRM, 200 ns trr, DO-41, AEC-Q101 qualified, 1.3 V VF max | Slightly higher VF increases conduction loss; tighter trr spec improves high-frequency efficiency. | Drop-in alternative when lower trr is prioritized over minimal VF reduction; validated for same automotive temperature profiles. |
Compared with STTH1R06 and MUR1100E, BA159GHR1G offers the highest voltage margin (1000 V) with AEC-Q101 validation and balanced VF/trr trade-off-making it optimal for 48 V automotive DC/DC and high-VIN industrial converters where reliability and safety margin are primary.
Availability
BA159GHR1G is available at Aetrix Electronics and suitable for automotive DC/DC converters, industrial SMPS outputs, and renewable energy auxiliary supplies requiring stable component supply, long-lifecycle assurance, and AEC-Q101-compliant sourcing.
Supply support for BA159GHR1G 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 BA159GHR1G belongs to TSC's AEC-Q101-qualified fast recovery rectifier family, engineered specifically for high-reliability power conversion in automotive electrification and ruggedized industrial equipment.
FAQ
What is the peak repetitive reverse voltage rating for BA159GHR1G?
The BA159GHR1G has a peak repetitive reverse voltage (VRRM) rating of 1000 V. This value is confirmed in the Absolute Maximum Ratings table of the official Taiwan Semiconductor datasheet (Version I2106). It defines the maximum reverse voltage the device can block repeatedly without avalanche breakdown. Designers must ensure this rating exceeds the peak inverse voltage seen across the diode in the final circuit, including transients and safety margins.
Is BA159GHR1G suitable for automotive applications?
Yes, BA159GHR1G is AEC-Q101 qualified, as explicitly stated in the "FEATURES" section and ordering code suffix "H" (BA159GHR1G). This qualification covers stress tests including temperature cycling, high-temperature reverse bias, and unbiased highly accelerated stress testing. The device is intended for under-hood and powertrain-related DC/DC converters where reliability under thermal and electrical stress is critical.
What is the reverse recovery time (trr) of BA159GHR1G and how is it measured?
The BA159GHR1G has a reverse recovery time (trr) of 250 ns, measured under conditions of IF = 0.5 A, IR = 1.0 A, and Irr = 0.25 A, per the Electrical Specifications table. This parameter reflects the time required for minority carriers to clear after forward conduction ceases, directly influencing switching loss and EMI generation in high-frequency converters. The value is typified at 25°C ambient and must be verified under actual operating junction temperature.
Does BA159GHR1G have RoHS and halogen-free compliance?
Yes, BA159GHR1G is RoHS compliant and halogen-free in accordance with IEC 61249-2-21, as confirmed in the FEATURES section of the Taiwan Semiconductor datasheet. The molding compound contains no brominated or chlorinated flame retardants, and lead content is below 1000 ppm. This supports environmental compliance for export to EU, China, and other regulated markets, and facilitates safer end-of-life processing.
What package type and lead finish does BA159GHR1G use?
BA159GHR1G uses the DO-204AL (DO-41) axial package with pure tin-plated leads, solderable per J-STD-002. The mechanical data confirms UL 94V-0 flammability rating for the epoxy body and JESD 201 Class 2 whisker resistance. The cathode is marked by a visible band, and the device weighs approximately 0.330 g. This package supports manual and automated through-hole assembly.
BA159GHR1G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-204AL, DO-41, Axial
- Packaging:
- Tape & Reel (TR)
- 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:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AL (DO-41)
- Operating Temperature - Junction:
- -55°C ~ 150°C
BA159GHR1G FAQ
1.How can I place an order for BA159GHR1G through Aetrix?
Please submit a Request for Quotation (RFQ) for BA159GHR1G 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 BA159GHR1G reliable?
The price and inventory of BA159GHR1G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for BA159GHR1G is usually 5 days.
3.What payment methods are accepted for BA159GHR1G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for BA159GHR1G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for BA159GHR1G?
BA159GHR1G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your BA159GHR1G 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 BA159GHR1G?
For technical support, including BA159GHR1G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your BA159GHR1G requirements.
6.How does Aetrix verify that BA159GHR1G is sourced from the original manufacturer or authorized distributors?
All BA159GHR1G 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 BA159GHR1G meets industry standards.
7.What is the process for return or replacement of BA159GHR1G?
All BA159GHR1G units undergo pre-shipment inspection (PSI). If there is an issue with BA159GHR1G, 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 BA159GHR1G part is unused and in its original packaging.
Return procedure for BA159GHR1G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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