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Diodes Incorporated 6A1-T
- Part No.:
- 6A1-T
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- R-6, Axial
- Datasheet:
-
6A1-T.pdf
- Description:
- DIODE GEN PURP 100V 6A R-6
- Quantity:
- Payment:
- Shipping:
Inventory:5,017
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Product details
Overview
6A1-T from Diodes Incorporated is a 100 V maximum recurrent peak reverse voltage (VRRM) silicon rectifier diode in R-6 axial package, rated for 6.0 A average forward current at +75°C with 9.5 mm lead length, 400 A surge capability, and 0.90 V forward voltage drop at 6.0 A DC - used in AC/DC front-end rectification for industrial power supplies and LED drivers.
For engineers reviewing the 6A1-T datasheet, 6A1-T pinout, 6A1-T application, or 6A1-T equivalent, key selection criteria include VRRM margin for line-voltage transients, thermal derating under convection cooling, IFSM headroom for inrush limiting, and RoHS-compliant tin-plated axial leads for wave-solder compatibility.
Technical Context
This device operates as a single-phase, half-wave silicon rectifier optimized for general-purpose AC-to-DC conversion. It exhibits low forward voltage (VFM = 0.90 V @ 6.0 A) and minimal reverse leakage (IRM = 10 µA @ 25°C, 100 µA @ 100°C), enabling efficient operation in unregulated offline power stages.
The R-6 molded plastic case (UL 94V-0) supports axial mounting with color-band cathode identification and withstands operating junction temperatures from –65°C to +175°C. Its 400 A non-repetitive surge rating (8.3 ms half-sine) accommodates cold-start inrush in transformer-fed circuits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - Withstands peak reverse voltage up to 100 V; suitable for 70 V RMS input (e.g., 100 VAC nominal systems). |
| I(AV) | 6.0 A @ +75°C, 9.5 mm lead length - Continuous DC output current capability under standard heatsinking conditions. |
| IFSM | 400 A (8.3 ms half-sine) - Handles high-energy inrush surges without failure; critical for transformer-coupled inputs. |
| VFM | 0.90 V @ 6.0 A DC - Low conduction loss reduces heat generation and improves efficiency in linear rectifier stages. |
| IRM | 10 µA @ 25°C, 100 µA @ 100°C - Minimal reverse leakage preserves blocking integrity across temperature range. |
| TJ/TSTG | –65°C to +175°C - Wide thermal envelope supports operation in harsh industrial or automotive under-hood environments. |
Pinout & Package
Package: R-6 molded plastic case with axial leads, UL 94V-0 flammability rating, tin-plated terminals, cathode identified by color band.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode (unmarked lead) | Forward current entry point | Connected to AC source or transformer secondary winding during positive half-cycle conduction. |
| Cathode (band-marked lead) | Forward current exit point | Delivers rectified DC output to filter capacitor or load; polarity must be observed to prevent reverse breakdown. |
Key Features
| Feature | Design Value |
|---|---|
| High surge current capability | 400 A IFSM enables reliable startup in transformer-based supplies with high magnetizing inrush. |
| Low forward voltage drop | VFM = 0.90 V @ 6.0 A reduces power dissipation to ≤5.4 W, easing thermal design in compact enclosures. |
| RoHS-compliant lead finish | Tin-plated axial leads meet J-STD-020 Level 1 moisture sensitivity and support lead-free reflow/wave soldering. |
| Wide operating temperature range | –65°C to +175°C junction range allows deployment in extended-temperature industrial controls and outdoor power equipment. |
Applications
| Industrial AC/DC Power Supplies | LED Driver Input Rectification |
|---|---|
Use Scenario: Rectifying 100 VAC mains input in open-frame industrial power supplies feeding 12–24 V DC rails. IC Role / Device Role / Timing Role: Primary-side silicon rectifier converting AC line to pulsating DC prior to bulk capacitance and regulation. Use Value: 6.0 A I(AV) and 400 A IFSM ensure robustness against line surges and transformer saturation events. |
Use Scenario: Front-end rectification in constant-current LED drivers for street lighting and high-bay fixtures. IC Role / Device Role / Timing Role: Uncontrolled rectifier stage delivering DC bus to buck or flyback controller ICs. Use Value: Low VFM minimizes conduction loss in high-duty-cycle operation, improving system efficiency and thermal margin. |
| Appliance Motor Control Boards | UPS Input Stage Rectification |
Use Scenario: AC input rectification on motor control PCBs in washing machines and HVAC blowers. IC Role / Device Role / Timing Role: Discrete rectifier providing DC link for H-bridge gate drivers and PWM inverters. Use Value: R-6 axial package allows through-hole mounting with mechanical stability under vibration; 175°C TJ rating survives enclosure heating. |
Use Scenario: Input rectification in line-interactive UPS units handling 100–120 VAC utility input. IC Role / Device Role / Timing Role: Half-wave or full-bridge rectifier (used in pairs) establishing DC bus for battery charging and inverter stages. Use Value: 100 V VRRM provides sufficient margin over 120 VAC peak (170 V), while low IRM prevents standby power loss. |
Availability
6A1-T is available at Aetrix Electronics and suitable for industrial AC/DC power supplies, LED driver input stages, and appliance motor control boards requiring stable component supply and long-term manufacturability.
Supply support for 6A1-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, manufacturing, and sales operations across Asia, Europe, and North America.
The 6A05–6A10 series belongs to Diodes' general-purpose silicon rectifier product line, engineered for cost-effective, high-reliability AC/DC conversion in industrial, consumer, and lighting applications.
FAQ
What is the maximum ambient temperature for continuous 6.0 A operation?
The 6A1-T is rated for 6.0 A average forward current at +75°C ambient with 9.5 mm lead length. At higher ambient temperatures, derating is required per Figure 1 in DS28009 Rev. 11–3; at +100°C ambient, maximum I(AV) drops to approximately 4.2 A under identical conditions.
Can 6A1-T be used in a full-wave bridge configuration?
Yes - the 6A1-T is a single silicon rectifier diode and can be used in pairs or quadrants to construct discrete full-wave bridge rectifiers. Its 100 V VRRM supports use in 70 V RMS input bridges; ensure matched VF and thermal layout for balanced current sharing.
Is there a surface-mount equivalent to the R-6 axial package?
Diodes Incorporated does not list a direct SMT replacement for the 6A1-T in the same current/voltage class. The closest alternatives are SMB- or SMC-packaged rectifiers (e.g., GBU6K), but these differ in footprint, thermal path, and surge rating - redesign and validation are required.
Does 6A1-T comply with halogen-free and antimony-free requirements?
Yes - per Diodes Incorporated's "Green" definition (https://www.diodes.com/quality/lead-free/), the 6A1-T meets Halogen-Free and Antimony-Free specifications in addition to RoHS 2/3 compliance, with no exemptions applied to those material restrictions.
6A1-T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- R-6, Axial
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 100 V
- Current - Average Rectified (Io):
- 6A
- Voltage - Forward (Vf) (Max) @ If:
- 900 mV @ 6 A
- Speed:
- Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 10 µA @ 100 V
- Capacitance @ Vr, F:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- R-6
- Operating Temperature - Junction:
- -65°C ~ 175°C
6A1-T FAQ
1.How can I place an order for 6A1-T through Aetrix?
Please submit a Request for Quotation (RFQ) for 6A1-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 6A1-T reliable?
The price and inventory of 6A1-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 6A1-T is usually 5 days.
3.What payment methods are accepted for 6A1-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 6A1-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 6A1-T?
6A1-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 6A1-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 6A1-T?
For technical support, including 6A1-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 6A1-T requirements.
6.How does Aetrix verify that 6A1-T is sourced from the original manufacturer or authorized distributors?
All 6A1-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 6A1-T meets industry standards.
7.What is the process for return or replacement of 6A1-T?
All 6A1-T units undergo pre-shipment inspection (PSI). If there is an issue with 6A1-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 6A1-T part is unused and in its original packaging.
Return procedure for 6A1-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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