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Taiwan Semiconductor Corporation HER307GH
- Part No.:
- HER307GH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-201AD, Axial
- Datasheet:
-
HER307GH.pdf
- Description:
- 75NS, 3A, 800V, HIGH EFFICIENT R
- Quantity:
- Payment:
- Shipping:
Inventory:2,500
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Product details
Overview
HER307GH from Taiwan Semiconductor is a high-efficiency, AEC-Q101-qualified ultrafast recovery rectifier diode in DO-201AD package, rated for 3A average forward current, 800V repetitive peak reverse voltage (VRRM), and 75ns reverse recovery time (trr). It delivers low forward voltage drop (1.7V at 3A, 25°C) and high surge capability (125A IFSM), making it suitable for automotive-grade DC-DC converters and switching inverters.
For engineers reviewing the HER307GH datasheet, HER307GH pinout, HER307GH application, or HER307GH equivalent, key selection criteria include its AEC-Q101 qualification, 800V VRRM, 75ns trr, DO-201AD mechanical compatibility, and thermal resistance (RθJL = 10°C/W) for high-reliability power conversion designs.
Technical Context
This device is a single-die, silicon planar junction ultrafast recovery rectifier optimized for reduced switching losses in high-frequency power supplies. Its 75ns reverse recovery time and low junction capacitance (35pF at 4V) minimize ringing and EMI in hard-switched topologies.
The HER307GH operates across –55°C to +150°C junction temperature range with 10°C/W junction-to-lead thermal resistance, enabling stable performance in under-hood automotive environments and industrial power modules where thermal management is critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 800 V - Maximum non-repetitive reverse blocking voltage; defines usable input voltage range in boost/flyback stages |
| IF | 3 A - Continuous average forward current at TC = 75°C; sets conduction rating for 25W–40W power stages |
| trr | 75 ns - Ultrafast recovery time measured at IF = 0.5A, IR = 1.0A, Irr = 0.25A; enables >100 kHz switching without excessive loss |
| VF | 1.7 V @ 3A, 25°C - Forward voltage drop; determines conduction loss (5.1W at full load) and thermal design margin |
| IFSM | 125 A - Non-repetitive surge current (8.3ms half-sine); supports cold-start and fault-current handling |
| RθJL | 10 °C/W - Junction-to-lead thermal resistance; allows direct heatsinking via PCB copper or clip-mounting |
Pinout & Package
DO-201AD axial-leaded package with cathode band marking; leads are pure tin-plated, J-STD-002 solderable, and meet JESD201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (unbanded end) | Forward current entry point | Connected to lower-potential node (e.g., switch node in synchronous rectification or transformer secondary) |
| Cathode (banded end) | Forward current exit / reverse blocking terminal | Connected to output rail or filter capacitor; blocks 800V reverse during off-state |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive powertrain and body electronics per stress test requirements (HTOL, TC, HAST, etc.) |
| Ultrafast recovery (75 ns) | Reduces reverse recovery charge (Qrr) and associated switching loss in SMPS operating above 50 kHz |
| Low VF (1.7 V @ 3A) | Lowers conduction loss by ~15% vs. standard FR series, improving efficiency in 12V–48V output converters |
| DO-201AD with UL 94V-0 molding | Enables automated through-hole assembly and meets flammability safety requirements for industrial enclosures |
| Junction temp range: –55°C to +150°C | Supports operation in engine bay, motor drives, and outdoor power systems without derating below –40°C ambient |
Applications
| Automotive DC-DC Converters | Industrial Switch-Mode Inverters |
|---|---|
Use Scenario: 12V-to-48V bidirectional converter in 48V mild-hybrid vehicles. IC Role / Device Role / Timing Role: Output rectifier in synchronous or asymmetrical half-bridge topology. Use Value: HER307GH's 800V VRRM withstands transient spikes up to 650V, while 75ns trr minimizes cross-conduction loss during phase transitions. | Use Scenario: Auxiliary power supply in variable-frequency drives feeding HVAC compressors. IC Role / Device Role / Timing Role: Freewheeling diode across IGBT gate drivers and snubber networks. Use Value: 125A IFSM rating handles repetitive motor stall currents; DO-201AD leadform allows direct mounting to heatsink tabs. |
| Server PSU Secondary Side | Solar Microinverter DC Link |
Use Scenario: +12V/3.3V output rectification in redundant server power supplies. IC Role / Device Role / Timing Role: High-efficiency output rectifier in active-clamp forward or LLC resonant converters. Use Value: 1.7V VF reduces conduction loss by 0.3W per diode vs. legacy FR307, improving 80 PLUS Titanium efficiency compliance. | Use Scenario: DC link clamping and freewheeling in string-level microinverters (600–800V bus). IC Role / Device Role / Timing Role: Reverse-blocking clamp diode in H-bridge output stage. Use Value: 800V VRRM matches PV string open-circuit voltage; AEC-Q101 qualification ensures 25-year field reliability under thermal cycling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultrafast rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Vishay VS-HER307G | Same VRRM (800V), trr = 75ns, but not AEC-Q101 qualified; RθJL = 12°C/W | Acceptable for industrial/commercial SMPS, not certified for automotive use | Select when AEC-Q101 is not required and cost sensitivity outweighs qualification overhead |
| ON Semiconductor MUR3080CT | Dual common-cathode configuration (2×3A), 800V VRRM, trr = 60ns, TO-220AC package | Requires PCB layout change; suited for dual-output or interleaved designs | Choose for higher current sharing or when thermal interface favors TO-220 heatsinking over axial leads |
Compared with VS-HER307G, HER307GH adds automotive qualification and tighter thermal resistance; versus MUR3080CT, it offers smaller footprint and simpler layout but lacks dual-diode integration-making HER307GH optimal for space-constrained, AEC-Q101-mandated single-output converters.
Availability
HER307GH is available at Aetrix Electronics and suitable for automotive DC-DC converters, industrial switch-mode inverters, and solar microinverter DC link circuits requiring stable component supply with long-term lifecycle assurance.
Supply support for HER307GH 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 high-reliability power devices and protection components.
The HER30xG family was designed specifically for high-efficiency, high-reliability rectification in automotive and industrial power conversion systems where ultrafast recovery, AEC-Q101 compliance, and thermal robustness are mandatory.
FAQ
What does the 'H' suffix in HER307GH signify?
The 'H' suffix in HER307GH indicates full AEC-Q101 qualification per Rev D standards, including HTOL, temperature cycling, and unbiased HAST testing. This certification confirms HER307GH's suitability for automotive powertrain and chassis applications where reliability under thermal and mechanical stress is critical. HER307GH is not merely a screened version-it is fully tested and documented to AEC-Q101 requirements.
Is HER307GH pin-compatible with standard DO-201AD rectifiers like 1N5408?
Yes, HER307GH uses the industry-standard DO-201AD package with identical mechanical dimensions and axial lead configuration as 1N5408 and other DO-201AD rectifiers. However, HER307GH is not functionally interchangeable due to its ultrafast recovery (75ns vs. >2000ns) and higher VRRM (800V vs. 1000V for 1N5408), requiring circuit validation for switching behavior and EMI.
What is the maximum recommended PCB copper area for HER307GH thermal relief?
For optimal thermal performance, Taiwan Semiconductor recommends ≥250 mm² of 2 oz copper on the anode and cathode pads, connected via ≥4 thermal vias (0.3mm diameter) to internal ground planes. This achieves near-rated 3A current handling at TC = 75°C. HER307GH's RθJL = 10°C/W assumes such layout; insufficient copper raises junction temperature and accelerates degradation.
Does HER307GH support reflow soldering, or is it lead-only compatible?
HER307GH is specified for wave and hand soldering per J-STD-002, with pure tin-plated leads. It is not rated for lead-free reflow (260°C peak) due to internal molding compound limitations. For SMT-compatible alternatives, consider TSC's surface-mount HER307G-SMD variant-HER307GH itself must be mounted using through-hole processes only.
How does HER307GH's reverse leakage compare at elevated temperature?
HER307GH exhibits ≤200 µA reverse leakage current at 125°C and rated VR, per datasheet Note 2 (30ms pulse test). This is 20× higher than its 25°C value (≤10 µA), which must be accounted for in high-temperature hold conditions-e.g., in solar microinverter standby mode-where cumulative leakage can affect system quiescent current budgets.
HER307GH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-201AD, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 800 V
- Current - Average Rectified (Io):
- 3A
- Voltage - Forward (Vf) (Max) @ If:
- 1.7 V @ 3 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 75 ns
- Current - Reverse Leakage @ Vr:
- 10 µA @ 800 V
- Capacitance @ Vr, F:
- 35pF @ 4V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-201AD
- Operating Temperature - Junction:
- -55°C ~ 150°C
HER307GH FAQ
1.How can I place an order for HER307GH through Aetrix?
Please submit a Request for Quotation (RFQ) for HER307GH 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 HER307GH reliable?
The price and inventory of HER307GH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HER307GH is usually 5 days.
3.What payment methods are accepted for HER307GH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HER307GH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HER307GH?
HER307GH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HER307GH 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 HER307GH?
For technical support, including HER307GH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HER307GH requirements.
6.How does Aetrix verify that HER307GH is sourced from the original manufacturer or authorized distributors?
All HER307GH 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 HER307GH meets industry standards.
7.What is the process for return or replacement of HER307GH?
All HER307GH units undergo pre-shipment inspection (PSI). If there is an issue with HER307GH, 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 HER307GH part is unused and in its original packaging.
Return procedure for HER307GH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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