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Taiwan Semiconductor Corporation PUUP4BH
- Part No.:
- PUUP4BH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- TO-277, 3-PowerDFN
- Datasheet:
-
PUUP4BH.pdf
- Description:
- DIODE GEN PURP 100V 4A TO277A
- Quantity:
- Payment:
- Shipping:
Inventory:6,000
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Product details
Overview
PUUP4BH from Taiwan Semiconductor is a 100V, 4A ultra-fast surface-mount rectifier in TO-277A (SMPC4.6U) package, featuring 25ns reverse recovery time, 0.84V forward voltage at 4A/25°C, and AEC-Q101 qualification for automotive power conversion circuits.
For engineers reviewing the PUUP4BH datasheet, PUUP4BH pinout, PUUP4BH application, or PUUP4BH equivalent, key selection criteria include repetitive peak reverse voltage (100V), surge current rating (130A), junction-to-lead thermal resistance (2.0°C/W), wettable flank terminals, and compliance with JESD201 Class 2 whisker testing.
Technical Context
This single-die ultra-fast rectifier uses planar technology to achieve low conduction loss and fast switching performance. Its 25ns trr and 57nC Qrr support high-frequency DC/DC converters and snubber networks where minimal reverse recovery energy is critical.
The device operates across -55°C to +175°C junction temperature range and delivers 4A average forward current with derating above 125°C ambient. Thermal performance is specified with 2.0°C/W RθJL under ideal heatsink conditions and 52.4°C/W RθJA on a 16mm × 16mm Cu pad PCB.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - Maximum repetitive reverse blocking voltage; defines maximum DC bus or flyback clamp voltage it can withstand |
| IF | 4 A - Continuous average forward current at TL = 115°C; determines steady-state power stage current handling |
| trr | 25 ns - Reverse recovery time at IF = 0.5A, IR = 1.0A, Irr = 0.25A; enables operation up to ~10 MHz switching frequencies |
| VF @ 4A/25°C | 0.84 V - Forward voltage drop; directly impacts conduction loss (Pcond ≈ 0.84V × IF) and thermal design |
| RθJL | 2.0 °C/W - Junction-to-lead thermal resistance with ideal heatsink; enables direct thermal coupling to PCB copper or heatsink |
| Qrr | 57 nC - Reverse recovery charge; quantifies switching loss contribution during turn-off in hard-switched topologies |
| AEC-Q101 | Qualified - Meets stress test requirements for automotive discrete semiconductors; supports under-hood and EPS applications |
Pinout & Package
Package: TO-277A (SMPC4.6U), surface-mount, single-die configuration with wettable flank leads and cathode band polarity marking. Weight: 0.103 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Anode) | Anode connection | Primary current entry point; electrically tied to internal die anode; requires proper PCB copper area for thermal dissipation |
| 2 (Anode) | Anode connection | Second anode terminal - dual-anode configuration reduces series inductance and improves high-frequency current sharing |
| 3 (Cathode) | Cathode connection | Current exit path; marked by visible cathode band; must be routed with low-inductance trace in snubber or freewheeling paths |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualification | Validated for automotive-grade reliability including temperature cycling, HTRB, and UHAST - suitable for EPS, ADAS, and body control modules |
| Wettable flank leads | Enables automated optical inspection (AOI) of solder joints on bottom-side terminations - improves manufacturing yield in SMT lines |
| 25 ns reverse recovery time | Reduces turn-off switching loss and EMI generation in high-frequency DC/DC converters operating above 500 kHz |
| 2.0 °C/W RθJL | Allows efficient heat transfer from junction to PCB copper or external heatsink without requiring thermal vias or complex layout |
| J-STD-020 Level 1 moisture sensitivity | Eliminates bake requirement prior to reflow - supports standard SMT assembly without special handling or dry pack |
Applications
| Automotive DC/DC Converters | High-Frequency Snubber Networks |
|---|---|
Use Scenario: Secondary-side rectification in 48V–12V bidirectional buck-boost converters for mild hybrid vehicles. IC Role / Device Role / Timing Role: Ultra-fast power rectifier replacing Schottky diodes where higher VRRM and lower leakage are required. Use Value: 100V VRRM and 10µA max IR at 125°C enable stable operation under load dump transients while maintaining low conduction loss. | Use Scenario: RCD snubber across MOSFETs in 100–500 kHz LLC resonant converters for server PSUs. IC Role / Device Role / Timing Role: Fast-recovery clamp diode that minimizes voltage overshoot and recovers before next switching cycle. Use Value: 25ns trr and 57nC Qrr reduce snubber loss by >30% versus standard FRDs, improving overall efficiency. |
| Industrial AC-DC PFC Stages | On-Board Charger (OBC) Output Rectification |
Use Scenario: Output rectification in continuous-conduction-mode (CCM) boost PFC stages operating at 65–133 kHz. IC Role / Device Role / Timing Role: High-current, low-VF rectifier handling 4A average output current with minimal thermal rise. Use Value: 0.84V VF at 4A/25°C and 2.0°C/W RθJL allow direct mounting to thermal pads, reducing heatsink size by 40%. | Use Scenario: Isolated DC/DC output rectification in 3.3kW OBCs converting 400V battery to 12V auxiliary rail. IC Role / Device Role / Timing Role: AEC-Q101-qualified rectifier ensuring long-term reliability in thermally demanding under-hood environments. Use Value: -55°C to +175°C operating range and JESD201 Class 2 whisker resistance ensure robustness across full vehicle lifetime. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-fast rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Vishay VS-4EYH01-M3/45 | 100V VRRM, 4A IF, 35ns trr, TO-277A package, no AEC-Q101 qualification | Lacks automotive qualification; suitable for industrial/commercial DC/DC but not for automotive safety-critical systems | Select when AEC-Q101 is not required and slightly higher trr is acceptable |
| ON Semiconductor MUR410EG | 100V VRRM, 4A IF, 60ns trr, TO-220AC package, AEC-Q101 qualified | Through-hole TO-220AC package requires different PCB layout; slower recovery increases switching loss in >200 kHz designs | Select only if through-hole assembly is mandated and switching frequency remains below 150 kHz |
Compared with VS-4EYH01-M3/45 and MUR410EG, PUUP4BH provides the optimal balance of automotive qualification, ultra-fast 25ns recovery, and surface-mount TO-277A packaging - enabling compact, high-efficiency, and AEC-compliant power stage designs without layout or qualification trade-offs.
Availability
PUUP4BH is available at Aetrix Electronics and suitable for automotive DC/DC converters, high-frequency snubber networks, and industrial AC-DC PFC stages requiring stable component supply, AEC-Q101 compliance, and consistent thermal performance.
Supply support for PUUP4BH 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 power discrete manufacturer headquartered in Hsinchu, Taiwan, serving global automotive, industrial, and computing markets since 1979.
The PUUP4BH belongs to TSC's ultra-fast rectifier product line, engineered specifically for high-efficiency, high-reliability power conversion in automotive electrification and industrial SMPS applications where fast recovery, low VF, and AEC-Q101 compliance are mandatory.
FAQ
What is the maximum junction temperature rating for PUUP4BH?
The PUUP4BH has a maximum junction temperature (TJ) rating of +175°C, with operational range from -55°C to +175°C. This rating is validated per AEC-Q101 stress tests and allows reliable operation in under-hood automotive environments. The PUUP4BH maintains specified electrical parameters within this full range, including 10µA max reverse current at 125°C.
Does PUUP4BH support automated optical inspection (AOI)?
Yes, PUUP4BH supports AOI due to its wettable flank lead structure in the TO-277A (SMPC4.6U) package. The side-wettable terminations enable reliable solder joint inspection on bottom-side connections during SMT assembly. This feature is explicitly confirmed in the manufacturer's mechanical data and aligns with IPC-A-610 Class 2/3 requirements.
What is the reverse recovery time (trr) specification for PUUP4BH?
The PUUP4BH has a reverse recovery time (trr) of 25ns under the test condition IF = 0.5A, IR = 1.0A, Irr = 0.25A. An alternate measurement at IF = 1.0A, di/dt = 50A/µs, VR = 30V yields 31ns. Both values are specified in the official datasheet and confirm suitability for switching frequencies up to 1 MHz in optimized layouts.
Is PUUP4BH pin-compatible with PUUP4DH?
No, PUUP4BH and PUUP4DH are not pin-compatible replacements - they share identical TO-277A package and pinout but differ in rated VRRM (100V vs. 200V), thermal performance, and reverse leakage. Substituting PUUP4BH for PUUP4DH in a 200V design risks catastrophic failure. Each part must be selected based on system-level voltage stress analysis.
What does the marking code 'PU4BH' indicate on the PUUP4BH device?
The marking code 'PU4BH' laser-etched on the PUUP4BH case identifies the specific variant within the PUUP4xH family: 'PU' denotes ultra-fast rectifier series, '4' indicates 4A rating, 'B' specifies 100V VRRM, and 'H' denotes TO-277A packaging. This matches the ordering code PUUP4BH and is verified in the Absolute Maximum Ratings table.
PUUP4BH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- TO-277, 3-PowerDFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 100 V
- Current - Average Rectified (Io):
- 4A
- Voltage - Forward (Vf) (Max) @ If:
- 930 mV @ 4 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 25 ns
- Current - Reverse Leakage @ Vr:
- 2 µA @ 100 V
- Capacitance @ Vr, F:
- 71pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-277A (SMPC)
- Operating Temperature - Junction:
- -55°C ~ 175°C
PUUP4BH FAQ
1.How can I place an order for PUUP4BH through Aetrix?
Please submit a Request for Quotation (RFQ) for PUUP4BH 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 PUUP4BH reliable?
The price and inventory of PUUP4BH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PUUP4BH is usually 5 days.
3.What payment methods are accepted for PUUP4BH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PUUP4BH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PUUP4BH?
PUUP4BH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PUUP4BH 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 PUUP4BH?
For technical support, including PUUP4BH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PUUP4BH requirements.
6.How does Aetrix verify that PUUP4BH is sourced from the original manufacturer or authorized distributors?
All PUUP4BH 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 PUUP4BH meets industry standards.
7.What is the process for return or replacement of PUUP4BH?
All PUUP4BH units undergo pre-shipment inspection (PSI). If there is an issue with PUUP4BH, 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 PUUP4BH part is unused and in its original packaging.
Return procedure for PUUP4BH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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