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Taiwan Semiconductor Corporation FR106G-K
- Part No.:
- FR106G-K
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
FR106G-K.pdf
- Description:
- 500NS, 1A, 800V, FAST RECOVERY R
- Quantity:
- Payment:
- Shipping:
Inventory:9,458
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Product details
Overview
FR106G-K from Taiwan Semiconductor is a 1A, 800V fast recovery rectifier diode in DO-204AL (DO-41) package, featuring 500 ns reverse recovery time, 1.3 V forward voltage at 1 A, and 30 A surge current capability. It serves as the primary output rectifier in high-frequency switching power supplies.
For engineers reviewing the FR106G-K datasheet, FR106G-K pinout, FR106G-K application, or FR106G-K equivalent, key selection criteria include VRRM = 800 V, trr = 500 ns, IF = 1 A, thermal resistance RθJA = 70 °C/W, and DO-41 mechanical compatibility with through-hole PCB layouts.
Technical Context
This single-die, glass-passivated fast recovery rectifier operates with junction temperature range –55 °C to +150 °C and supports repetitive peak reverse voltages up to 800 V. Its low 1.3 V forward voltage and 5 µA max reverse leakage at 25 °C enable high-efficiency DC–DC conversion.
The device exhibits 10 pF junction capacitance at 1 MHz / 4 V and delivers 30 A non-repetitive surge current under 8.3 ms half-sine conditions. Polarity is marked by cathode band; leads are pure tin-plated and J-STD-002 solderable.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 800 V - Withstands peak reverse voltage in 600 V RMS bridge or flyback secondary circuits |
| trr | 500 ns - Enables operation in 100–500 kHz SMPS without excessive switching loss |
| VF | 1.3 V @ 1 A, 25 °C - Limits conduction loss to ≤1.3 W per diode at rated DC current |
| IFSM | 30 A - Survives inrush and transient overloads in AC-input front-end rectification |
| RθJA | 70 °C/W - Requires minimal heatsinking for 1 A continuous operation in still air |
| IR | 5 µA @ 25 °C - Ensures low standby leakage in high-impedance hold-up or sensing paths |
| Junction temp | –55 °C to +150 °C - Supports industrial and extended-temperature embedded power designs |
Pinout & Package
Package: DO-204AL (DO-41), axial lead, glass-passivated single-die construction. Cathode indicated by black band. Leads are pure tin-plated, J-STD-002 compliant, and meet JESD 201 Class 1A whisker resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (unbanded end) | Current entry node | Connected to transformer secondary center-tap or switch node in synchronous rectifier topology |
| Cathode (banded end) | Current exit node | Connected to output capacitor positive rail; polarity marking prevents reverse-bias failure during layout |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Prevents moisture ingress and surface contamination, enabling >10-year field reliability in humid environments |
| Low VF (1.3 V) | Reduces power dissipation by ~15% vs. standard 1N4007 (1.55 V) at 1 A, improving thermal margin |
| Fast trr (500 ns) | Minimizes reverse recovery charge (Qrr) to <1.2 µC, lowering EMI in high-frequency converters |
| RoHS & halogen-free | Complies with IEC 61249-2-21 and EU RoHS 2011/65/EU, supporting green manufacturing requirements |
Applications
| AC–DC Adapter Output Rectification | DC–DC Converter Secondary Side |
|---|---|
Use Scenario: 12 V/1 A isolated flyback adapter powering IoT gateways. IC Role / Device Role / Timing Role: Primary unidirectional current path converting transformer AC output to regulated DC bus. Use Value: 800 V VRRM provides 2× safety margin over reflected 400 V spike; 500 ns trr suppresses ringing-induced MOSFET stress. | Use Scenario: 5 V/2 A buck-derived point-of-load supply in industrial PLC I/O module. IC Role / Device Role / Timing Role: Freewheeling diode clamping inductor current during high-side switch off-time. Use Value: 1.3 V VF limits conduction loss to 1.3 W, avoiding thermal derating below 1 A continuous rating. |
| Switch-Mode Inverter DC Link | General-Purpose High-Voltage Rectification |
Use Scenario: 48 V input solar microinverter with boost stage feeding H-bridge. IC Role / Device Role / Timing Role: Input-stage rectifier converting boosted AC to stable DC link before inversion. Use Value: 30 A IFSM handles startup surges; DO-41 package allows manual rework on legacy board designs. | Use Scenario: Legacy industrial control panel with 240 VAC mains-fed auxiliary supply. IC Role / Device Role / Timing Role: Bridge rectifier leg in full-wave configuration supplying 24 V logic rails. Use Value: 800 V rating accommodates 240 VAC × √2 ≈ 340 V peak plus line transients without breakdown. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast recovery rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH1R08 | VRRM = 800 V, trr = 75 ns, VF = 1.15 V @ 1 A - faster but higher cost | Better suited for >1 MHz resonant topologies where Qrr dominates loss | Select when EMI filtering overhead justifies premium pricing and layout space permits SMD footprint |
| 1N4937G | VRRM = 600 V, trr = 200 ns, VF = 1.2 V @ 1 A - lower voltage rating, faster recovery | Limited to ≤420 V RMS inputs; unsuitable for 800 V design margins | Acceptable only if system peak reverse stress is confirmed ≤600 V and thermal headroom exists |
Compared with STTH1R08 and 1N4937G, FR106G-K offers optimal balance of 800 V robustness, 500 ns recovery, and DO-41 through-hole manufacturability-making it ideal for cost-sensitive, medium-frequency industrial power supplies where layout flexibility and long-term component availability are prioritized.
Availability
FR106G-K is available at Aetrix Electronics and suitable for AC–DC adapters, DC–DC converters, and industrial inverters requiring stable component supply across multi-year production cycles.
Supply support for FR106G-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, automotive, and industrial markets since 1979.
The FR10xG-K series is part of TSC's high-reliability fast recovery rectifier product line, engineered specifically for efficiency-critical, high-voltage switching power conversion in cost-constrained industrial and consumer applications.
FAQ
What is the maximum junction temperature rating for FR106G-K?
The FR106G-K has a maximum junction temperature (TJ) of +150 °C and a minimum of –55 °C. This wide operating range allows reliable use in enclosed industrial enclosures or ambient temperatures up to 85 °C with appropriate derating. The FR106G-K maintains specified electrical performance within this full range, and its thermal resistance (RθJA = 70 °C/W) enables straightforward thermal design for 1 A continuous operation.
Is FR106G-K compatible with lead-free reflow soldering processes?
FR106G-K features pure tin-plated leads qualified to J-STD-002 for solderability, and its molding compound meets UL 94V-0 flammability standards. While designed for wave and hand soldering, the device withstands peak reflow temperatures up to 260 °C for 10 seconds per J-STD-020. However, due to its axial DO-41 package, FR106G-K is not intended for standard SMT reflow; it is optimized for through-hole assembly.
How does the reverse recovery time of FR106G-K compare to FR105G-K and FR107G-K?
Per the official TSC datasheet, FR106G-K and FR107G-K share identical reverse recovery time (trr) of 500 ns, while FR105G-K is rated at 250 ns. This step-change reflects internal die optimization for higher-voltage variants: FR101G-K through FR104G-K range from 150 ns to 250 ns, whereas FR105G-K onward trade some speed for enhanced 600–1000 V blocking capability. The FR106G-K thus delivers consistent 500 ns performance with 800 V rating.
Does FR106G-K have halogen-free certification?
Yes, FR106G-K is halogen-free in accordance with IEC 61249-2-21, and fully RoHS compliant. The "G" suffix in FR106G-K explicitly denotes green compound formulation. This makes FR106G-K suitable for environmentally regulated industries including EU-based industrial equipment and medical peripherals where halogen content restrictions apply.
What is the marking code printed on the FR106G-K body?
The FR106G-K is laser-marked with "FR106G" on the device body, followed by date code (YWW format) and factory code. The "G" confirms green/halogen-free compound, and the cathode is unambiguously indicated by a single black band adjacent to the marked side. No additional symbols or logos appear; the marking conforms strictly to TSC's DO-41 standard for visual polarity identification.
FR106G-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):
- 800 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):
- 500 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 800 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
FR106G-K FAQ
1.How can I place an order for FR106G-K through Aetrix?
Please submit a Request for Quotation (RFQ) for FR106G-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 FR106G-K reliable?
The price and inventory of FR106G-K are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FR106G-K is usually 5 days.
3.What payment methods are accepted for FR106G-K?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FR106G-K transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FR106G-K?
FR106G-K orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FR106G-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 FR106G-K?
For technical support, including FR106G-K datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FR106G-K requirements.
6.How does Aetrix verify that FR106G-K is sourced from the original manufacturer or authorized distributors?
All FR106G-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 FR106G-K meets industry standards.
7.What is the process for return or replacement of FR106G-K?
All FR106G-K units undergo pre-shipment inspection (PSI). If there is an issue with FR106G-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 FR106G-K part is unused and in its original packaging.
Return procedure for FR106G-K:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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