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Taiwan Semiconductor Corporation HERAF1001GH
- Part No.:
- HERAF1001GH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- TO-220-2 Full Pack
- Datasheet:
-
HERAF1001GH.pdf
- Description:
- 50NS, 10A, 50V, HIGH EFFICIENT R
- Quantity:
- Payment:
- Shipping:
Inventory:4,897
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Product details
Overview
HERAF1001GH from Taiwan Semiconductor is a 10 A, 50 V glass-passivated high-efficiency rectifier diode in ITO-220AC package, featuring 1.0 V max forward voltage at 10 A and 25 °C, 150 A surge capability, and AEC-Q101 qualification for automotive-grade reliability.
For engineers reviewing the HERAF1001GH datasheet, HERAF1001GH pinout, HERAF1001GH application, or HERAF1001GH equivalent, this part supports high-current DC/DC converters, switching-mode inverters, freewheeling paths, and automotive power systems requiring robust thermal performance and low conduction loss.
Technical Context
This single-die fast recovery rectifier uses glass passivation for junction protection and delivers low VF (≤1.0 V) with tight thermal resistance (RθJC = 2 °C/W), enabling efficient operation in high-frequency switching topologies up to 100 kHz. Its 50 V VRRM rating targets low-voltage bus applications where fast reverse recovery (trr ≤ 50 ns) minimizes switching losses.
The device operates across –55 °C to +150 °C junction temperature range, meets UL 94V-0 flammability, JESD201 Class 2 whisker resistance, and RoHS/halogen-free compliance-key for under-hood automotive and industrial power modules.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 50 V - Maximum repetitive reverse blocking voltage; defines safe operating range in low-voltage DC bus designs |
| IF | 10 A - Continuous forward current rating; supports sustained 10 A load without derating at TC ≤ 100 °C |
| IFSM | 150 A - Non-repetitive surge current (8.3 ms half-sine); handles inrush and fault transients in SMPS |
| VF @ 10 A, 25 °C | ≤1.0 V - Low conduction loss; reduces power dissipation by ~10 W vs. higher-VF alternatives at full load |
| trr | ≤50 ns - Fast reverse recovery time; limits switching loss and EMI in high-frequency converters |
| RθJC | 2 °C/W - Junction-to-case thermal resistance; enables direct heatsink mounting with predictable thermal margin |
| Junction Temp | –55 to +150 °C - Wide operating range suitable for engine compartment and industrial ambient conditions |
Pinout & Package
Package: ITO-220AC - 3-terminal through-hole package with isolated tab (cathode-connected case), matte tin-plated leads, UL 94V-0 molding compound, and 0.56 N·m max mounting torque.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Lead 1) | Forward current input | Connects to positive side of AC source or switch node; carries full load current |
| Cathode (Lead 2) | Forward current output / Case connection | Electrically tied to metal tab; must be mounted to heatsink with electrical isolation if needed |
| Tab (Case) | Cathode terminal | Provides primary thermal path and electrical cathode connection; polarity marked on device body |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive power electronics per stress test requirements including HTOL, TC, HTRB, and UHAST |
| Glass passivated junction | Enhances moisture resistance and long-term reliability in humid or contaminated environments |
| Low VF (≤1.0 V @ 10 A) | Reduces conduction loss by ≥15% compared to standard FRDs with similar ratings |
| Fast trr (≤50 ns) | Enables >100 kHz switching frequency without excessive diode switching loss or ringing |
| UL Recognized (E-326243) | Meets safety standards for end-equipment certification in industrial and automotive applications |
Applications
| Automotive DC/DC Converters | Industrial Switch-Mode Inverters |
|---|---|
Use Scenario: 12 V to 48 V bidirectional DC/DC converter in 48 V mild-hybrid vehicles. IC Role / Device Role / Timing Role: Freewheeling diode in synchronous buck-boost stage handling continuous 10 A load. Use Value: Low VF and fast trr reduce conduction and switching losses, improving efficiency by ≥1.2% at full load. | Use Scenario: Output rectification in 3 kW industrial UPS inverter with 20 kHz PWM. IC Role / Device Role / Timing Role: High-current output rectifier in full-bridge secondary synchronous rectification stage. Use Value: 2 °C/W RθJC allows direct heatsink mounting without thermal interface pads, simplifying mechanical design. |
| Server Power Supply ORing | Motor Drive Freewheeling |
Use Scenario: ORing diode in redundant 12 V server power distribution with hot-swap capability. IC Role / Device Role / Timing Role: Unidirectional current path preventing backfeed between parallel PSUs during fault events. Use Value: 150 A IFSM withstands transient surges during hot-insertion without degradation. | Use Scenario: Freewheeling path in 750 W BLDC motor drive with 10 kHz PWM commutation. IC Role / Device Role / Timing Role: Clamp diode across motor phase winding to recirculate inductive energy. Use Value: Glass passivation ensures stable VF and leakage over 10-year field life in vibration-prone environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-efficiency rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH10R06DJF | 600 V VRRM, 1.15 V VF @ 10 A, TO-220AC package, no AEC-Q101 | Higher voltage rating but higher VF; suited for 400 V bus, not optimized for 12–48 V systems | Select when higher reverse voltage margin is required and automotive qualification is not mandatory |
| ONsemi MUR1050CT | Dual common-cathode configuration, 50 V VRRM, 1.2 V VF @ 10 A, TO-220AB package, no AEC-Q101 | Offers dual-diode topology for bridge use but lacks AEC-Q101 and has higher VF | Prefer for cost-sensitive non-automotive bridge rectifiers where dual functionality offsets higher loss |
Compared with STTH10R06DJF and MUR1050CT, HERAF1001GH provides lower conduction loss at 50 V, AEC-Q101 validation for automotive deployment, and superior thermal resistance-making it optimal for space-constrained, thermally demanding 12–48 V power stages.
Availability
HERAF1001GH is available at Aetrix Electronics and suitable for automotive DC/DC converters, industrial switching inverters, and motor drive freewheeling applications requiring stable component supply, long-lifecycle support, and AEC-Q101 compliance.
Supply support for HERAF1001GH 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 automotive, industrial, and computing markets since 1979.
The HERAF series belongs to TSC's AEC-Q101-qualified high-efficiency rectifier product line, engineered specifically for low-VF, fast-recovery operation in automotive power conversion and industrial SMPS.
FAQ
What is the maximum junction temperature rating for HERAF1001GH?
The HERAF1001GH has a maximum junction temperature (TJ) of +150 °C and a minimum of –55 °C. This wide range supports operation in under-hood automotive environments and industrial enclosures without forced cooling. The device maintains specified electrical parameters within this range, and thermal design must ensure TJ stays below 150 °C under worst-case load and ambient conditions. HERAF1001GH's 2 °C/W RθJC enables accurate junction temperature estimation when heatsink temperature is known.
Is HERAF1001GH pin-compatible with standard ITO-220AC rectifiers?
Yes, HERAF1001GH uses the industry-standard ITO-220AC footprint with Anode–Cathode–Tab pinout and identical mechanical dimensions (including lead spacing and tab hole placement). It mounts using the same 0.56 N·m torque specification and mates with standard TO-220 heatsinks. HERAF1001GH replaces legacy ITO-220AC rectifiers like BYV26E or MUR1050 in existing layouts, provided voltage and surge requirements align.
Does HERAF1001GH meet automotive qualification standards?
Yes, the "H" suffix in HERAF1001GH explicitly denotes AEC-Q101 qualification. This includes passing stress tests for high-temperature operating life, temperature cycling, highly accelerated stress testing, and unbiased highly accelerated stress testing. HERAF1001GH is approved for use in automotive powertrain, chassis, and body electronics where reliability under thermal and mechanical stress is critical.
What is the reverse recovery time (trr) of HERAF1001GH and how is it measured?
The HERAF1001GH has a maximum reverse recovery time (trr) of 50 ns, tested under IF = 0.5 A, IR = 1.0 A, and Irr = 0.25 A per JEDEC standards. This value reflects the time required for minority carriers to clear after forward conduction, directly impacting switching loss and EMI in high-frequency converters. The low trr results from optimized doping and lifetime control in the epitaxial layer, confirmed in the official TSC datasheet Version I2105.
How does the glass passivation in HERAF1001GH improve reliability?
Glass passivation in HERAF1001GH forms a hermetic, chemically inert barrier over the silicon junction, preventing moisture ingress, ion migration, and surface contamination that cause parametric drift or premature failure. This process significantly improves long-term stability in humid, salty, or polluted environments-especially critical for automotive under-hood applications. TSC validates this via JESD22-A110 (HTSL) and JESD22-A108 (biased HAST) testing, confirming >1000-hour reliability at 130 °C/85% RH.
HERAF1001GH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- TO-220-2 Full Pack
- Packaging:
- Tube
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 50 V
- Current - Average Rectified (Io):
- 10A
- Voltage - Forward (Vf) (Max) @ If:
- 1 V @ 10 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 50 ns
- Current - Reverse Leakage @ Vr:
- 10 µA @ 50 V
- Capacitance @ Vr, F:
- 80pF @ 4V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- ITO-220AC
- Operating Temperature - Junction:
- -55°C ~ 150°C
HERAF1001GH FAQ
1.How can I place an order for HERAF1001GH through Aetrix?
Please submit a Request for Quotation (RFQ) for HERAF1001GH 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 HERAF1001GH reliable?
The price and inventory of HERAF1001GH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HERAF1001GH is usually 5 days.
3.What payment methods are accepted for HERAF1001GH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HERAF1001GH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HERAF1001GH?
HERAF1001GH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HERAF1001GH 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 HERAF1001GH?
For technical support, including HERAF1001GH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HERAF1001GH requirements.
6.How does Aetrix verify that HERAF1001GH is sourced from the original manufacturer or authorized distributors?
All HERAF1001GH 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 HERAF1001GH meets industry standards.
7.What is the process for return or replacement of HERAF1001GH?
All HERAF1001GH units undergo pre-shipment inspection (PSI). If there is an issue with HERAF1001GH, 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 HERAF1001GH part is unused and in its original packaging.
Return procedure for HERAF1001GH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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