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Taiwan Semiconductor Corporation FR102G-K
- Part No.:
- FR102G-K
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
FR102G-K.pdf
- Description:
- 150NS, 1A, 100V, FAST RECOVERY R
- Quantity:
- Payment:
- Shipping:
Inventory:6,227
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Product details
Overview
FR102G-K from Taiwan Semiconductor is a 1A, 100V fast recovery rectifier diode in DO-204AL (DO-41) package, featuring 150 ns reverse recovery time, 1.3 V max forward voltage at 1 A, and 30 A surge current capability. It serves as a primary output rectifier in low-to-medium power switching mode power supplies.
For engineers reviewing the FR102G-K datasheet, FR102G-K pinout, FR102G-K application, or FR102G-K equivalent, key selection criteria include VRRM = 100 V, IF = 1 A, trr = 150 ns, thermal resistance RθJA = 70 °C/W, and DO-41 mechanical compatibility for through-hole PCB layouts.
Technical Context
This single-die, glass-passivated fast recovery rectifier operates with low conduction loss and high reliability under repetitive surge conditions. Its 150 ns reverse recovery time enables efficient operation in 20–100 kHz switching converters without excessive switching loss or EMI generation.
The device exhibits 5 µA max reverse leakage at 25°C and 100 µA at 125°C, supporting stable performance across industrial temperature ranges. Junction-to-ambient thermal resistance of 70 °C/W allows direct mounting on standard FR-4 PCBs without heatsinking for ≤0.8 W dissipation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - Maximum repetitive reverse voltage before breakdown; sets safe operating limit in DC-DC output stage |
| IF | 1 A continuous - Rated average forward current; defines steady-state power handling in rectification path |
| trr | 150 ns - Measured at IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A; enables efficient high-frequency switching |
| VF (max) | 1.3 V at IF = 1 A, TJ = 25°C - Directly determines conduction loss and thermal rise in power path |
| IFSM | 30 A - Non-repetitive peak surge current (8.3 ms half-sine); supports cold-start and transient overload |
| RθJA | 70 °C/W - Thermal resistance from junction to ambient; defines required PCB copper area for thermal management |
| CJ | 10 pF at 1 MHz, VR = 4 V - Low junction capacitance minimizes capacitive coupling and switching noise |
Pinout & Package
Package: DO-204AL (DO-41), axial leaded, glass-passivated silicon die, cathode indicated by band. Weight: 0.330 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to transformer secondary or switch node; must withstand surge current and reverse voltage stress |
| Cathode | Forward current exit / reverse blocking terminal | Connected to output filter capacitor; polarity band ensures correct orientation during manual or automated assembly |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Enhances moisture resistance and long-term reliability in humid or thermally cycled environments |
| Low VF (1.3 V max) | Reduces conduction loss by ~15% vs. standard recovery diodes at 1 A, improving efficiency in 5–24 V outputs |
| 150 ns trr | Enables clean turn-off in 50–100 kHz flyback and forward converters without snubber circuitry |
| RoHS & halogen-free | Complies with IEC 61249-2-21; supports environmentally compliant manufacturing and end-of-life recycling |
| 30 A IFSM | Withstands 10× rated current surges, accommodating inrush into bulk capacitors without degradation |
Applications
| AC/DC Adapter Output Rectification | USB-C PD Power Supply Secondary Side |
|---|---|
Use Scenario: 12 V/1 A output stage in compact wall adapters powering IoT gateways and smart home hubs. IC Role / Device Role / Timing Role: Fast recovery rectifier converting transformer secondary AC to regulated DC; replaces slower 1N400x series. Use Value: 150 ns trr reduces switching loss and EMI vs. 1N4007, enabling smaller output filters and meeting CISPR-32 Class B limits. | Use Scenario: Secondary-side rectification in 20–30 W USB-C PD chargers with synchronous rectifier control disabled. IC Role / Device Role / Timing Role: Standby-mode rectifier maintaining regulation during light-load burst-mode operation. Use Value: 5 µA max IR at 25°C minimizes no-load power draw, supporting Energy Star Level VI and EU CoC Tier 2 requirements. |
| Industrial DC-DC Converter Input Protection | LED Driver Bulk Rectification |
Use Scenario: Reverse polarity and overvoltage protection in 24 V input rail of programmable logic controllers (PLCs). IC Role / Device Role / Timing Role: Input-stage freewheeling and clamping diode; handles 30 A surge from inductive load disconnect. Use Value: 30 A IFSM and 100°C-rated junction enable robust field operation without derating in unventilated enclosures. | Use Scenario: Bridge rectifier input stage in constant-current LED drivers for street lighting (100–200 W). IC Role / Device Role / Timing Role: High-reliability AC line rectification feeding PFC stage; operates continuously at 85°C ambient. Use Value: Glass passivation and JESD 201 Class 1A whisker resistance ensure >10-year field life in outdoor thermal cycling environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast recovery rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH1R06 | VRRM = 600 V, trr = 75 ns, VF = 1.15 V (typ) at 1 A | Higher voltage rating and faster recovery; suited for higher bus voltages or tighter timing margins | Select when system requires >100 V reverse blocking or <100 ns trr; not drop-in due to different VRRM and thermal profile |
| ON Semi MUR110 | VRRM = 100 V, trr = 75 ns, VF = 0.92 V (typ) at 1 A, RθJA = 65 °C/W | Lower VF and faster trr, but different DO-41 mechanical tolerances and marking | Prefer for efficiency-critical designs where 0.4 V lower VF justifies revalidation; not pin-identical per JEDEC outline |
Compared with STTH1R06 and MUR110, FR102G-K offers optimized cost-performance balance for 100 V-class SMPS where 150 ns trr and 1.3 V VF meet design margins, with full DO-41 mechanical compliance and RoHS/halogen-free certification verified per Taiwan Semiconductor B2104 spec.
Availability
FR102G-K is available at Aetrix Electronics and suitable for AC/DC adapters, USB-C PD chargers, industrial DC-DC converters, and LED driver bulk rectification requiring stable component supply and long-lifecycle support.
Supply support for FR102G-K 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 global power management and industrial markets since 1979.
The FR101G-K to FR107G-K family targets cost-sensitive, high-volume power conversion applications requiring reliable fast recovery rectification across 50–1000 V ratings, with emphasis on manufacturability and environmental compliance.
FAQ
What is the maximum junction temperature rating for FR102G-K?
The FR102G-K has a maximum junction temperature (TJ) of +150°C and a storage temperature range of –55°C to +150°C. This rating allows operation in industrial environments with elevated ambient temperatures, provided thermal design maintains junction temperature below this limit using the specified RθJA = 70 °C/W. Derating curves in the FR102G-K datasheet define allowable current versus ambient temperature.
Is FR102G-K compatible with lead-free reflow soldering processes?
Yes, FR102G-K features pure tin-plated leads compliant with J-STD-002 for solderability and qualified for lead-free reflow profiles. The device's DO-41 package and glass passivation withstand peak reflow temperatures up to 260°C for 10 seconds, meeting IPC/JEDEC J-STD-020 requirements. No special pre-bake is required prior to assembly.
How does the reverse recovery time of FR102G-K compare to standard recovery diodes like 1N4007?
FR102G-K has a reverse recovery time (trr) of 150 ns, whereas the 1N4007 exhibits trr > 2000 ns. This 13× faster recovery significantly reduces switching losses and EMI in high-frequency converters. In practice, replacing 1N4007 with FR102G-K in a 65 kHz flyback improves efficiency by 1.2–1.8% and eases EMI filter design for FR102G-K-based power supplies.
What packaging options are available for FR102G-K?
FR102G-K is supplied in two standard packaging formats: 5,000 units per tape-and-reel (standard for SMT placement compatibility) and 3,000 units per ammo box (optimized for manual or wave soldering). Both use DO-204AL (DO-41) packaging with green molding compound and cathode band marking per Taiwan Semiconductor specification B2104.
Does FR102G-K meet halogen-free and RoHS requirements?
Yes, FR102G-K is RoHS compliant and halogen-free per IEC 61249-2-21. The molding compound contains no brominated flame retardants or chlorine-based additives, and lead content is below 1000 ppm. Certificate of Compliance and material declarations are available upon request for FR102G-K to support regulatory submissions and sustainability reporting.
FR102G-K Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-204AL, DO-41, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 100 V
- Current - Average Rectified (Io):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 1.3 V @ 1 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 150 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 100 V
- Capacitance @ Vr, F:
- 10pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-204AL (DO-41)
- Operating Temperature - Junction:
- -55°C ~ 150°C
FR102G-K FAQ
1.How can I place an order for FR102G-K through Aetrix?
Please submit a Request for Quotation (RFQ) for FR102G-K 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 FR102G-K reliable?
The price and inventory of FR102G-K are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FR102G-K is usually 5 days.
3.What payment methods are accepted for FR102G-K?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FR102G-K transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FR102G-K?
FR102G-K orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FR102G-K 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 FR102G-K?
For technical support, including FR102G-K datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FR102G-K requirements.
6.How does Aetrix verify that FR102G-K is sourced from the original manufacturer or authorized distributors?
All FR102G-K 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 FR102G-K meets industry standards.
7.What is the process for return or replacement of FR102G-K?
All FR102G-K units undergo pre-shipment inspection (PSI). If there is an issue with FR102G-K, 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 FR102G-K part is unused and in its original packaging.
Return procedure for FR102G-K:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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