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Taiwan Semiconductor Corporation HER306GH
- Part No.:
- HER306GH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-201AD, Axial
- Datasheet:
-
HER306GH.pdf
- Description:
- 75NS, 3A, 600V, HIGH EFFICIENT R
- Quantity:
- Payment:
- Shipping:
Inventory:2,500
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Product details
Overview
HER306GH from Taiwan Semiconductor is a high-efficiency, AEC-Q101-qualified ultrafast recovery rectifier diode in DO-201AD package, rated for 3A average forward current, 600V 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), targeting automotive-grade DC/DC converters and switching inverters.
For engineers reviewing the HER306GH datasheet, HER306GH pinout, HER306GH application, or HER306GH equivalent, key selection criteria include its AEC-Q101 qualification status, 600V VRRM, 75ns trr, 1.7V VF at 3A, and DO-201AD mechanical compatibility with high-reliability power conversion designs.
Technical Context
This device is a single-die, planar-junction ultrafast recovery rectifier optimized for reduced switching losses in high-frequency power supplies. Its 75ns reverse recovery time and 35pF junction capacitance at 4V enable efficient operation in 100–500kHz SMPS topologies.
The HER306GH operates across –55°C to +150°C junction temperature range, with 10°C/W junction-to-lead thermal resistance and RoHS-compliant, halogen-free molding compound meeting UL 94V-0 - supporting under-hood automotive deployment where thermal robustness and material compliance are mandatory.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 600 V - supports input stages of 400V AC-derived or 300–450V DC bus systems |
| IF | 3 A continuous - suitable for medium-power DC/DC outputs up to ~75W with adequate heatsinking |
| trr | 75 ns - enables stable operation in hard-switched converters operating ≤500 kHz without excessive ringing |
| VF | 1.7 V @ 3A, 25°C - reduces conduction loss by ~15% vs. standard FRD counterparts at same current |
| IFSM | 125 A @ 8.3ms - withstands inrush and transient overloads in motor drive freewheeling paths |
| CJ | 35 pF @ 1MHz, 4V - minimizes capacitive coupling noise in high-dv/dt gate-drive isolation circuits |
| TJ max | +150°C - allows direct mounting on PCBs with limited airflow in sealed automotive ECUs |
Pinout & Package
DO-201AD axial-leaded package with cathode band marking; tin-plated leads compliant with J-STD-002 solderability and JESD201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Lead 1) | Forward current entry point | Connected to lower-potential side (e.g., switch node or ground return) in freewheeling path |
| Cathode (Lead 2, banded end) | Forward current exit / reverse blocking terminal | Connected to higher-potential rail; blocks 600V reverse voltage during off-state in buck or flyback secondary |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive powertrain and chassis applications per stress test requirements (HTOL, TC, HTRB, etc.) |
| Ultrafast recovery (75ns) | Reduces switching loss and EMI generation compared to standard rectifiers in high-frequency SMPS |
| Low VF (1.7V @ 3A) | Improves system efficiency by lowering conduction loss in continuous conduction mode (CCM) operation |
| Halogen-free & RoHS | Meets automotive material compliance standards (IEC 61249-2-21) and end-of-life recycling mandates |
| 150°C maximum junction temperature | Enables compact layout in thermally constrained modules without active cooling |
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 asynchronous buck-boost stage handling 3A continuous load. Use Value: HER306GH's 600V VRRM and AEC-Q101 rating ensure reliability across load dumps and cold-crank transients. | Use Scenario: Auxiliary power supply in servo drive inverters converting 380VAC to ±15V control rails. IC Role / Device Role / Timing Role: Freewheeling diode across IGBT gate drivers and isolated bias windings. Use Value: 75ns trr prevents cross-conduction during fast gate switching, reducing driver shoot-through risk. |
| Telecom Power Rectification | Renewable Energy Charge Controllers |
Use Scenario: Secondary-side rectification in 48V telecom rectifier modules with 300kHz LLC resonant topology. IC Role / Device Role / Timing Role: High-frequency output rectifier replacing Schottky diodes where >60V reverse stress occurs. Use Value: HER306GH's 35pF CJ and low stored charge minimize switching node oscillation and EMI filter burden. | Use Scenario: MPPT charge controller rectifying solar panel array output (up to 500V OC) into 24/48V battery banks. IC Role / Device Role / Timing Role: Input blocking diode preventing reverse discharge during night or shading events. Use Value: 125A IFSM handles lightning-induced surges; 150°C TJ rating sustains outdoor ambient extremes. |
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-HER306GHE3/45 | Same VRRM (600V), trr = 75ns, but not AEC-Q101 qualified; RθJA = 40°C/W (vs. 35°C/W) | Suitable for industrial/commercial SMPS only; not validated for automotive temperature cycling or humidity testing | Select when AEC-Q101 is not required and cost sensitivity outweighs thermal margin needs |
| ON Semiconductor MUR3060CT | Dual common-cathode configuration (2×3A), 600V, trr = 60ns, but larger TO-220AB package and no AEC-Q101 grade | Requires dual-diode layout; better for dual-rail outputs but incompatible with DO-201AD footprint | Choose only if board redesign accommodates TO-220 and dual-output architecture is needed |
Compared with VS-HER306GHE3/45 and MUR3060CT, the HER306GH uniquely combines AEC-Q101 qualification, DO-201AD form factor, and 600V/75ns performance-making it the sole drop-in option for space-constrained, automotive-grade rectification without layout change or derating.
Availability
HER306GH is available at Aetrix Electronics and suitable for automotive DC/DC converters, industrial switching inverters, and renewable energy charge controllers requiring stable component supply with full traceability and long-term lifecycle support.
Supply support for HER306GH 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 automotive-qualified components.
The HER30xG series was developed specifically for high-reliability, high-frequency power conversion in automotive and industrial environments - emphasizing ultrafast recovery, thermal resilience, and AEC-Q101 compliance from wafer to final test.
FAQ
What is the peak repetitive reverse voltage rating for HER306GH?
The HER306GH has a repetitive peak reverse voltage (VRRM) rating of 600 V. This value is confirmed in the Absolute Maximum Ratings table of the official Taiwan Semiconductor datasheet (Version I2105), where HER306G is explicitly listed under the 600V column. It defines the maximum reverse-biased voltage the device can block repeatedly without breakdown under normal operating conditions.
Is HER306GH qualified for automotive applications?
Yes, the "H" suffix in HER306GH denotes AEC-Q101 qualification. Taiwan Semiconductor confirms this in the Ordering Information section, stating "'H' means AEC-Q101 qualified". The device undergoes stress testing per AEC-Q101 including HTOL, temperature cycling, and HTRB, making it suitable for automotive powertrain and body electronics where reliability under thermal and mechanical stress is critical.
What is the forward voltage drop of HER306GH at rated current?
The HER306GH exhibits a maximum forward voltage (VF) of 1.7 V at 3 A forward current and 25°C junction temperature, as specified in the Electrical Specifications table under "HER306G–HER308G" group. This value is measured under pulsed conditions (PW = 0.3 ms) and reflects typical conduction loss behavior in high-frequency switching applications.
Does HER306GH have a defined reverse recovery time?
Yes, the HER306GH has a typical reverse recovery time (trr) of 75 ns, specified under Electrical Specifications for HER306G–HER308G at IF = 0.5 A, IR = 1.0 A, and Irr = 0.25 A. This ultrafast recovery characteristic is critical for minimizing switching losses and EMI in converters operating above 100 kHz.
What package type does HER306GH use, and what are its key mechanical features?
HER306GH uses the DO-201AD axial-leaded package. Key mechanical features include UL 94V-0 flammability-rated molding compound, pure tin-plated leads compliant with J-STD-002 solderability, JESD201 Class 2 whisker resistance, and cathode polarity indicated by a visible band - all verified in the Mechanical Data section of the Taiwan Semiconductor datasheet.
HER306GH 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):
- 600 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 @ 600 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
HER306GH FAQ
1.How can I place an order for HER306GH through Aetrix?
Please submit a Request for Quotation (RFQ) for HER306GH 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 HER306GH reliable?
The price and inventory of HER306GH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HER306GH is usually 5 days.
3.What payment methods are accepted for HER306GH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HER306GH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HER306GH?
HER306GH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HER306GH 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 HER306GH?
For technical support, including HER306GH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HER306GH requirements.
6.How does Aetrix verify that HER306GH is sourced from the original manufacturer or authorized distributors?
All HER306GH 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 HER306GH meets industry standards.
7.What is the process for return or replacement of HER306GH?
All HER306GH units undergo pre-shipment inspection (PSI). If there is an issue with HER306GH, 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 HER306GH part is unused and in its original packaging.
Return procedure for HER306GH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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