Taiwan Semiconductor Corporation HER603G R0G
- Part No.:
- HER603G R0G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- R-6, Axial
- Datasheet:
-
HER603G R0G.pdf
- Description:
- DIODE GEN PURP 200V 6A R-6
- Quantity:
- Payment:

- Shipping:

Inventory:3,009
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Product details
Overview
HER603G R0G from Taiwan Semiconductor is a high-efficiency, glass-passivated silicon rectifier diode in R-6 package, rated for 6 A average forward current, 200 V repetitive peak reverse voltage (VRRM), and 150 A non-repetitive surge current (IFSM). It delivers low forward voltage drop (VF = 1.0 V at 6 A, 25°C) and fast reverse recovery time (trr = 50 ns), making it suitable for switching-mode power supplies and DC-DC converters.
For engineers reviewing the HER603G R0G datasheet, HER603G R0G pinout, HER603G R0G application, or HER603G R0G equivalent, key selection criteria include its 200 V VRRM rating, 1.0 V VF at full load, 50 ns trr, R-6 through-hole package with cathode band polarity marking, and AEC-Q101 qualification availability (R0G denotes standard grade; H-suffix variants are AEC-Q101 qualified).
Technical Context
The HER603G R0G employs a single-die, planar-junction structure with glass passivation for enhanced reliability and moisture resistance. Its thermal design supports operation up to 150°C junction temperature, with a junction-to-ambient thermal resistance (RθJA) of 37°C/W under standard PCB mounting conditions.
Electrically, it exhibits low leakage (IR ≤ 10 µA at 25°C, ≤200 µA at 125°C), moderate junction capacitance (CJ = 80 pF at 1 MHz, 4 V), and stable forward conduction across temperature - critical for high-frequency switching topologies requiring predictable turn-off behavior and minimal switching loss.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 200 V - Maximum repetitive reverse voltage the device blocks reliably in circuit; defines usable input voltage range in AC/DC or DC/DC stages. |
| IF(AV) | 6 A - Continuous average forward current capability at 75°C case temperature; determines heatsink or PCB copper requirement. |
| VF @ 6 A, 25°C | 1.0 V - Forward voltage drop at rated current; directly impacts conduction loss (P = IF × VF) and thermal design. |
| IFSM (8.3 ms) | 150 A - Peak non-repetitive surge current tolerance; enables robustness against inrush or transient overloads. |
| trr | 50 ns - Reverse recovery time; limits switching frequency ceiling and reduces switching losses in hard-switched converters. |
| RθJA | 37 °C/W - Thermal resistance from junction to ambient; used to calculate max junction temperature rise under given power dissipation. |
| IR @ 200 V, 25°C | ≤10 µA - Reverse leakage current; affects standby power and high-impedance bias networks. |
Pinout & Package
HER603G R0G uses the R-6 axial-lead package (JEDEC DO-201AD), with anode and cathode terminals identified by a colored cathode band on the body. Leads are pure tin-plated, solderable per J-STD-002, and meet JESD 201 Class 2 whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (unmarked end) | Forward current entry point | Connected to lower-potential side (e.g., transformer secondary center-tap or switch node return path). |
| Cathode (banded end) | Forward current exit / reverse blocking terminal | Connected to output rail or filter capacitor positive; polarity marking prevents reverse installation. |
Key Features
| Feature | Design Value |
|---|---|
| Glass-passivated junction | Enables stable long-term performance in humid or contaminated environments without hermetic sealing. |
| Low VF (1.0 V @ 6 A) | Reduces conduction loss by ~15–20% versus standard FR-type rectifiers at same current, improving efficiency in 12–48 V output converters. |
| Fast trr (50 ns) | Supports switching frequencies up to ~200 kHz in hard-switched topologies without excessive diode switching loss or EMI spikes. |
| R-6 mechanical robustness | Withstands >1.65 g mass and meets UL 94V-0 flammability, enabling use in industrial-grade power supplies subject to vibration or thermal cycling. |
Applications
| AC/DC Adapter Power Supply | DC-DC Buck Converter Output Stage |
|---|---|
Use Scenario: Secondary-side rectification in offline 5–24 V adapters delivering up to 72 W continuous output. IC Role / Device Role / Timing Role: High-efficiency output rectifier replacing Schottky diodes where higher VRRM and thermal stability are required. Use Value: Enables 200 V blocking margin above 170 V peak rectified input, reducing risk of avalanche failure during line surges. | Use Scenario: Synchronous or asynchronous freewheeling path in 12 V → 3.3 V/5 V buck converters for telecom or embedded systems. IC Role / Device Role / Timing Role: Freewheeling diode providing current continuity during low-side switch off-time. Use Value: 50 ns trr minimizes reverse recovery charge (Qrr), lowering switching node ringing and EMI generation during transition. |
| Industrial Motor Drive Snubber Network | Uninterruptible Power Supply (UPS) Inverter Stage |
Use Scenario: Clamp diode in RC snubber circuits across IGBTs in 200–400 V DC bus motor drives. IC Role / Device Role / Timing Role: Transient energy diversion path during IGBT turn-off, absorbing inductive kickback. Use Value: 150 A IFSM withstands repeated 10–50 A surge events typical in 3-phase drive fault conditions. | Use Scenario: Output rectification in double-conversion UPS inverters converting 380 V DC bus to 230 V AC. IC Role / Device Role / Timing Role: Full-wave bridge leg diode handling bidirectional current during PWM inversion. Use Value: 150°C TJ max and 37°C/W RθJA allow reliable operation at elevated ambient temperatures common in enclosed UPS cabinets. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-efficiency rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH6L06S | 6 A / 600 V, VF = 1.15 V @ 6 A, trr = 60 ns, TO-220AC package | Higher VRRM and larger footprint; requires heatsink for >3 A continuous operation | Preferred when 600 V blocking or surface-mount compatibility is required; not drop-in due to package and thermal interface differences. |
| ON Semi MUR620CT | 6 A / 200 V dual common-cathode configuration, VF = 1.05 V @ 6 A, trr = 35 ns, TO-220AB | Dual-diode layout enables center-tapped transformer designs; faster trr but higher cost and larger board area | Selected for dual-output or synchronous rectification schemes; not pin-compatible - requires PCB redesign. |
Compared with STTH6L06S and MUR620CT, HER603G R0G offers lower VF and smaller R-6 footprint for cost-sensitive, space-constrained through-hole designs operating near 200 V, while trading off thermal scalability and ultra-fast recovery.
Availability
HER603G R0G is available at Aetrix Electronics and suitable for industrial power supplies, DC-DC converters, and motor control systems requiring stable component supply, consistent parametric performance, and RoHS-compliant manufacturing.
Supply support for HER603G R0G 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 diodes, MOSFETs, and LED drivers since 1979.
The HER60xG series targets high-reliability, high-efficiency AC/DC and DC/DC power conversion, emphasizing ruggedized packaging, low conduction loss, and automotive-qualified variants for demanding industrial and transportation applications.
FAQ
What is the maximum junction temperature rating for HER603G R0G?
The HER603G R0G has a maximum junction temperature (TJ) rating of +150°C, verified per absolute maximum ratings in the official Taiwan Semiconductor datasheet (Version H2104). This allows operation in high-ambient environments such as enclosed power supplies or motor drive cabinets, provided thermal design maintains actual TJ below this limit using the specified RθJA of 37°C/W.
Is HER603G R0G RoHS and halogen-free compliant?
Yes, HER603G R0G 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 meets UL 94V-0 flammability rating, and the pure tin-plated leads satisfy J-STD-002 solderability requirements.
What does the 'R0G' suffix indicate in HER603G R0G?
The 'R0G' suffix in HER603G R0G identifies the standard-grade, non-AEC-Q101 qualified version in R-6 package with green molding compound. Per Taiwan Semiconductor's ordering information, 'H' suffix (e.g., HER603GH) denotes AEC-Q101 qualification; 'R0G' confirms standard industrial reliability level and RoHS/halogen-free compliance.
Can HER603G R0G replace HER602G in an existing design?
Yes, HER603G R0G can directly replace HER602G (100 V VRRM) in most cases, as both share identical R-6 package, pinout, IF = 6 A rating, VF ≈ 1.0 V, and trr = 50 ns. The only difference is VRRM: HER603G R0G supports 200 V versus 100 V, offering increased voltage margin without layout or thermal changes - beneficial for designs exposed to line transients or higher input ranges.
What is the reverse leakage current specification for HER603G R0G at elevated temperature?
HER603G R0G specifies reverse leakage current (IR) ≤ 200 µA at rated VRRM = 200 V and TJ = 125°C, per the "Electrical Specifications" table in the Taiwan Semiconductor datasheet. At 25°C, IR is ≤10 µA. This elevated leakage at high temperature is typical for silicon PN junctions and must be accounted for in high-impedance bias networks or standby power budgets.
HER603G R0G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- R-6, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 200 V
- Current - Average Rectified (Io):
- 6A
- Voltage - Forward (Vf) (Max) @ If:
- 1 V @ 6 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 50 ns
- Current - Reverse Leakage @ Vr:
- 10 µA @ 200 V
- Capacitance @ Vr, F:
- 80pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- R-6
- Operating Temperature - Junction:
- -55°C ~ 150°C
HER603G R0G FAQ
1.How can I place an order for HER603G R0G through Aetrix?
Please submit a Request for Quotation (RFQ) for HER603G R0G 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 HER603G R0G reliable?
The price and inventory of HER603G R0G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for HER603G R0G is usually 5 days.
3.What payment methods are accepted for HER603G R0G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for HER603G R0G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for HER603G R0G?
HER603G R0G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your HER603G R0G 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 HER603G R0G?
For technical support, including HER603G R0G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your HER603G R0G requirements.
6.How does Aetrix verify that HER603G R0G is sourced from the original manufacturer or authorized distributors?
All HER603G R0G 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 HER603G R0G meets industry standards.
7.What is the process for return or replacement of HER603G R0G?
All HER603G R0G units undergo pre-shipment inspection (PSI). If there is an issue with HER603G R0G, 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 HER603G R0G part is unused and in its original packaging.
Return procedure for HER603G R0G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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