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Taiwan Semiconductor Corporation FR303GH
- Part No.:
- FR303GH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-201AD, Axial
- Datasheet:
-
FR303GH.pdf
- Description:
- 150NS, 3A, 200V, FAST RECOVERY R
- Quantity:
- Payment:
- Shipping:
Inventory:9,963
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Product details
Overview
FR303GH from Taiwan Semiconductor is a 3A, 200V fast recovery rectifier diode in DO-201AD package, featuring 150ns reverse recovery time, 1.3V max forward voltage at 3A, and AEC-Q101 qualification for automotive-grade reliability.
For engineers reviewing the FR303GH datasheet, FR303GH pinout, FR303GH application, or FR303GH equivalent, key selection criteria include repetitive peak reverse voltage (200V), surge current capability (125A), junction temperature range (–55°C to +150°C), thermal resistance (35°C/W), and AEC-Q101 compliance status.
Technical Context
This single-die, unidirectional fast recovery rectifier operates with low conduction loss and controlled reverse recovery behavior, optimized for high-frequency switching applications where reduced switching losses and thermal stability are critical. Its pure tin-plated leads meet J-STD-002 solderability and JESD201 Class 2 whisker resistance requirements.
The device supports continuous forward current up to 3A at 150°C junction temperature and withstands non-repetitive surge currents of 125A (8.3ms half-sine), making it suitable for transient-heavy power conversion stages in automotive and industrial environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 200 V - Maximum repetitive reverse blocking voltage; defines safe operating limit in DC-DC flyback or boost output rectification |
| IF | 3 A - Continuous average forward current rating at case temperature ≤ 75°C; determines heatsink sizing in sustained load conditions |
| IFSM | 125 A - Non-repetitive surge current capacity; enables robustness against line transients and inrush events |
| trr | 150 ns - Reverse recovery time measured at IF = 0.5A, IR = 1.0A, Irr = 0.25A; directly impacts switching loss in SMPS above 50 kHz |
| VF (max) | 1.3 V - Forward voltage at 3A and 25°C; sets conduction loss baseline and thermal dissipation requirement |
| RθJA | 35 °C/W - Junction-to-ambient thermal resistance; used to calculate worst-case junction temperature rise under given PCB copper area |
Pinout & Package
Package: DO-201AD - Axial leaded, molded plastic case meeting UL 94V-0 flammability rating; cathode indicated by band; weight ≈ 1.20 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (Lead 1) | Forward current entry point | Connected to lower-potential side (e.g., transformer secondary center-tap or switch node return path) |
| Cathode (Lead 2, banded end) | Forward current exit / reverse blocking terminal | Connected to output rail or filter capacitor positive; blocks reverse voltage up to 200V |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive powertrain and body electronics per stress test requirements (HTOL, TC, HAST, etc.) |
| Low VF (≤1.3 V @ 3A) | Reduces conduction loss by ~15% vs. standard recovery diodes, lowering thermal load in compact enclosures |
| Fast trr (150 ns) | Minimizes reverse recovery charge (Qrr) and associated switching loss in 100–500 kHz converters |
| RoHS & halogen-free | Complies with IEC 61249-2-21; enables use in EU automotive and industrial markets with strict material restrictions |
Applications
| Automotive DC-DC Converters | Industrial Switch-Mode Power Supplies |
|---|---|
Use Scenario: 12V-to-5V/3.3V buck-derived converter in engine control unit (ECU) or ADAS camera module. IC Role / Device Role / Timing Role: Output rectifier in synchronous or quasi-resonant flyback topology. Use Value: AEC-Q101 qualification ensures reliability across –40°C to +125°C ambient; 150ns trr reduces EMI generation during switching transitions. | Use Scenario: Secondary-side rectification in 48V input telecom or server PSU with >200 kHz switching frequency. IC Role / Device Role / Timing Role: Fast recovery rectifier replacing slower 1N54xx series in high-efficiency output stage. Use Value: 1.3V VF lowers power loss by 0.4W vs. 1.7V diode at 3A, improving system efficiency by ~0.8% at full load. |
| Consumer AC-DC Adapters | Renewable Energy Inverters |
Use Scenario: Output rectification in 65W laptop adapter using active clamp flyback architecture. IC Role / Device Role / Timing Role: Primary-side snubber clamp diode and secondary-side freewheeling rectifier. Use Value: 125A IFSM withstands repeated startup surges; DO-201AD package allows manual or wave-solder rework without lead damage. | Use Scenario: DC link protection and auxiliary supply rectification in micro-inverter power stage. IC Role / Device Role / Timing Role: Freewheeling diode in half-bridge gate driver bootstrap circuit and PV string isolation rectifier. Use Value: –55°C to +150°C TJ range supports operation in desert-mounted inverters; 35°C/W RθJA enables natural convection cooling on minimal copper. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast recovery rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH3L06S | 600V VRRM, 3A IF, 75ns trr, TO-220AC package | Higher voltage rating and faster recovery, but larger footprint and higher thermal mass | Preferred when >200V blocking or <100ns trr required; not drop-in due to package and pinout mismatch |
| ON Semi MUR320 | 200V VRRM, 3A IF, 75ns trr, DO-201AD package, no AEC-Q101 | Same package and voltage rating, but faster recovery and no automotive qualification | Valid alternative for cost-sensitive industrial designs where AEC-Q101 is not mandated |
Compared with STTH3L06S and MUR320, FR303GH uniquely combines AEC-Q101 qualification, DO-201AD form factor, and 200V/150ns balance-making it optimal for space-constrained automotive modules requiring validated reliability without sacrificing switching performance.
Availability
FR303GH is available at Aetrix Electronics and suitable for automotive DC-DC converters, industrial switch-mode power supplies, and consumer AC-DC adapters requiring stable component supply and AEC-Q101-compliant sourcing.
Supply support for FR303GH 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 consumer markets since 1979.
The FR30xG series-including FR303GH-is designed specifically for high-reliability rectification in automotive power systems and industrial SMPS, emphasizing AEC-Q101 compliance, thermal robustness, and fast-switching efficiency.
FAQ
What is the maximum junction temperature rating for FR303GH?
The FR303GH has a maximum junction temperature (TJ) of +150°C and a minimum of –55°C. This rating is specified in the Absolute Maximum Ratings table and applies under all operating conditions. Derating curves in the datasheet show that average forward current must be reduced linearly above 75°C case temperature to maintain safe operation within this TJ limit. The FR303GH's 35°C/W RθJA allows accurate thermal modeling for PCB layout validation.
Is FR303GH pin-compatible with other DO-201AD rectifiers like FR302G or FR304G?
Yes, FR303GH shares identical DO-201AD mechanical dimensions, lead spacing, and polarity marking (cathode band) with FR302G and FR304G. All are axial-leaded, single-die rectifiers with anode and cathode terminals in the same physical orientation. However, voltage ratings differ: FR302G is 100V, FR303GH is 200V, and FR304G is 400V-so electrical substitution requires verification of reverse voltage margin in the target circuit.
Does FR303GH have halogen-free and RoHS-compliant construction?
Yes, FR303GH meets RoHS Directive 2011/65/EU and is halogen-free per IEC 61249-2-21. The molding compound contains no brominated flame retardants or chlorine-based additives, and the pure tin-plated leads comply with JEDEC J-STD-002 for solderability. These material attributes are explicitly confirmed in the "Features" and "Mechanical Data" sections of the official Taiwan Semiconductor datasheet (Version H2105).
What is the reverse recovery time (trr) test condition for FR303GH?
The reverse recovery time for FR303GH is measured at IF = 0.5A, IR = 1.0A, and Irr = 0.25A, per the Electrical Specifications table. This standardized condition ensures consistent comparison across the FR301G–FR307G family. The typical trr value is 150ns, with no maximum specified-indicating the device consistently meets or exceeds this performance under the defined test setup.
Can FR303GH replace a standard recovery rectifier like 1N5408 in a 24V power supply?
FR303GH can replace 1N5408 in many 24V power supplies, but only if reverse voltage stress remains below 200V and switching frequency exceeds ~20 kHz. Unlike 1N5408 (50V, 3A, ~2 µs trr), FR303GH offers superior high-frequency performance and lower VF, reducing heat and EMI. However, its AEC-Q101 qualification adds cost-so for low-frequency, non-automotive applications, a standard rectifier may be more economical unless efficiency or thermal headroom is critical.
FR303GH 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):
- 200 V
- Current - Average Rectified (Io):
- 3A
- Voltage - Forward (Vf) (Max) @ If:
- 1.3 V @ 3 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 150 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 200 V
- Capacitance @ Vr, F:
- 30pF @ 4V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-201AD
- Operating Temperature - Junction:
- -55°C ~ 150°C
FR303GH FAQ
1.How can I place an order for FR303GH through Aetrix?
Please submit a Request for Quotation (RFQ) for FR303GH 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 FR303GH reliable?
The price and inventory of FR303GH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FR303GH is usually 5 days.
3.What payment methods are accepted for FR303GH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FR303GH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FR303GH?
FR303GH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FR303GH 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 FR303GH?
For technical support, including FR303GH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FR303GH requirements.
6.How does Aetrix verify that FR303GH is sourced from the original manufacturer or authorized distributors?
All FR303GH 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 FR303GH meets industry standards.
7.What is the process for return or replacement of FR303GH?
All FR303GH units undergo pre-shipment inspection (PSI). If there is an issue with FR303GH, 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 FR303GH part is unused and in its original packaging.
Return procedure for FR303GH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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