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Diodes Incorporated FR107-T
- Part No.:
- FR107-T
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-204AL, DO-41, Axial
- Datasheet:
-
FR107-T.pdf
- Description:
- DIODE GEN PURP 1KV 1A DO41
- Quantity:
- Payment:
- Shipping:
Inventory:9,141
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Product details
Overview
FR107-T from Diodes Incorporated is a 1.0A fast recovery rectifier diode in DO-41 axial package, rated for 1000V maximum recurrent peak reverse voltage (VRRM), 1.3V max forward voltage at 1.0A, and 500ns maximum reverse recovery time (Trr), used in AC/DC input stage rectification of offline switch-mode power supplies.
For engineers reviewing the FR107-T datasheet, FR107-T pinout, FR107-T application, or FR107-T equivalent, key selection criteria include VRRM margin for 230VAC surge tolerance, Trr-driven switching loss in high-frequency flyback designs, thermal derating above 75°C ambient, and DO-41 lead-form compatibility with through-hole PCB assembly.
Technical Context
This device operates as a unidirectional current-conducting switch in single-phase half-wave rectifier topologies, with junction-to-ambient thermal resistance of 50°C/W under standard PC board mounting (9.5mm lead length). Its 15pF typical junction capacitance minimizes high-frequency noise coupling in EMI-sensitive inputs.
The 500ns reverse recovery time enables efficient operation up to ~100kHz switching frequencies in low-cost flyback converters, while its 30A non-repetitive surge rating supports inrush current handling during cold-start conditions per JEDEC Method.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 1000 V - Withstands peak line voltage + safety margin for 230VAC mains (≈325V) with ≥3× design margin |
| Trr | 500 ns - Limits reverse recovery loss in 65–100 kHz SMPS designs; lower than standard recovery diodes |
| VF @ 1.0A | 1.3 V - Contributes ≈1.3W conduction loss at full load; impacts thermal design in enclosed enclosures |
| I(AV) | 1.0 A @ TA = 75°C - Requires derating to ≈0.6A at 100°C ambient per Fig. 1 curve |
| IFSM | 30 A (8.3ms half-sine) - Survives cold-start inrush in ≤50W AC/DC adapters without fuse blow |
| CJ | 15 pF @ 4V, 1MHz - Reduces high-frequency ringing and EMI generation at switching node |
Pinout & Package
DO-41 plastic axial-leaded package (UL 94V-0 rated); cathode identified by band; weight ≈0.35g; mountable in any orientation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (unbanded end) | Forward current entry | Connected to AC input or transformer secondary; must withstand full surge current path |
| Cathode (banded end) | Forward current exit / reverse blocking terminal | Connected to bulk capacitor positive; reverse voltage rating defines max DC bus hold-up capability |
Key Features
| Feature | Design Value |
|---|---|
| Fast recovery (500ns) | Reduces switching losses vs. general-purpose rectifiers (e.g., 1N4007: >2μs), enabling higher frequency operation |
| 1000V VRRM rating | Supports universal input (90–264VAC) designs with margin for lightning-induced transients |
| DO-41 axial package | Enables manual or automated through-hole insertion; compatible with legacy PCB footprints and wave soldering |
| Low leakage (100μA @ 100°C) | Maintains DC bus stability in high-temperature environments (e.g., enclosed LED drivers) |
Applications
| AC/DC Adapter Input Stage | LED Driver Bulk Rectification |
|---|---|
Use Scenario: 230VAC-fed 12W isolated flyback adapter powering IoT sensors. IC Role / Device Role / Timing Role: Primary-side unidirectional rectifier converting AC to pulsating DC before bulk capacitor. Use Value: 1000V VRRM prevents breakdown during 3kV surge tests; 500ns Trr keeps efficiency >82% at 65kHz. | Use Scenario: Non-isolated buck-boost LED driver for street lighting operating at 105°C ambient. IC Role / Device Role / Timing Role: Input rectifier feeding high-voltage DC bus; handles continuous 0.8A average current. Use Value: 100μA IR at 100°C avoids excessive capacitor discharge between cycles, maintaining stable dimming control. |
| Industrial Control Power Supply | Appliance Main Rectifier |
Use Scenario: 24V/1A auxiliary supply in PLC I/O module with wide temperature range (-40°C to +85°C). IC Role / Device Role / Timing Role: Half-wave rectifier in capacitive-input filter; interfaces directly with bridge or transformer secondary. Use Value: -65°C to +175°C TJ rating ensures reliability across industrial thermal cycling; DO-41 allows easy field replacement. | Use Scenario: Microwave oven main power supply rectifying 220VAC transformer output. IC Role / Device Role / Timing Role: High-surge rectifier subjected to repeated 30A inrush pulses during magnetron startup. Use Value: 30A IFSM rating survives 10,000+ cold starts without degradation; UL 94V-0 housing meets appliance flammability standards. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar fast recovery rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PR1007G | Same VRRM (1000V), faster Trr (350ns), surface-mount SMB package | Requires rework of PCB layout; not drop-in for DO-41 footprint | Preferred for new designs targeting higher efficiency and automated assembly |
| UF4007 | Same DO-41 package, 1000V VRRM, but ultrafast Trr = 75ns and higher VF = 1.7V | Better for >200kHz operation but increases conduction loss in <100kHz designs | Select when minimizing switching loss outweighs forward loss penalty |
Compared with PR1007G and UF4007, FR107-T offers optimal balance of cost, thermal performance in through-hole layouts, and proven reliability in legacy 65–100kHz AC/DC systems-making it suitable for repair, maintenance, and cost-sensitive production where DO-41 compatibility is mandatory.
Availability
FR107-T is available at Aetrix Electronics and suitable for AC/DC adapters, LED drivers, and industrial control power supplies requiring stable component supply and long-term obsolescence management.
Supply support for FR107-T 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design and manufacturing operations across Asia and the Americas.
The FR series fast recovery rectifiers target cost-effective, high-reliability AC/DC front-end conversion in consumer, industrial, and lighting applications where robustness and standardized packaging are critical.
FAQ
What is the maximum allowable junction temperature for FR107-T?
The absolute maximum junction temperature (TJ) is +175°C, and the storage temperature range matches this. Operation at or near this limit requires strict thermal management-derating I(AV) to ≤0.3A above 125°C ambient per the published derating curve, and ensuring adequate PCB copper area or heatsinking for the DO-41 leads.
Can FR107-T replace FR106 in an existing design?
Yes-FR107-T is a direct upgrade from FR106 with identical DO-41 package, pinout, and thermal characteristics, but offers higher VRRM (1000V vs. 800V) and longer Trr (500ns vs. 250ns). It maintains full mechanical and electrical compatibility while improving surge margin, making it suitable for designs targeting universal input or enhanced reliability.
Is FR107-T compliant with RoHS and REACH regulations?
Yes-FR107-T is RoHS-compliant (lead-free terminations, compliant with Directive 2011/65/EU) and REACH-conformant (SVHC-free per latest SVHC candidate list). Diodes Incorporated confirms compliance via material declarations and third-party lab testing; full documentation is available upon request for qualifying orders.
Why does the datasheet state "NOT RECOMMENDED FOR NEW DESIGNS"?
This note reflects Diodes Incorporated's strategic shift toward surface-mount alternatives like PR1007G for improved efficiency and manufacturability. FR107-T remains fully qualified, in active production, and supported for legacy designs, repairs, and applications where DO-41 axial leads are required for serviceability or mechanical constraints.
FR107-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- DO-204AL, DO-41, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 1000 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 @ 1000 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- DO-41
- Operating Temperature - Junction:
- -65°C ~ 175°C
FR107-T FAQ
1.How can I place an order for FR107-T through Aetrix?
Please submit a Request for Quotation (RFQ) for FR107-T 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 FR107-T reliable?
The price and inventory of FR107-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for FR107-T is usually 5 days.
3.What payment methods are accepted for FR107-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for FR107-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for FR107-T?
FR107-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your FR107-T 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 FR107-T?
For technical support, including FR107-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your FR107-T requirements.
6.How does Aetrix verify that FR107-T is sourced from the original manufacturer or authorized distributors?
All FR107-T 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 FR107-T meets industry standards.
7.What is the process for return or replacement of FR107-T?
All FR107-T units undergo pre-shipment inspection (PSI). If there is an issue with FR107-T, 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 FR107-T part is unused and in its original packaging.
Return procedure for FR107-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
FR107-T Tags
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