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Alpha & Omega Semiconductor Inc. AOTF12T60
- Part No.:
- AOTF12T60
- Manufacturer:
- Alpha & Omega Semiconductor Inc.
- Category:
- FETs, MOSFETs
- Package:
- TO-220-3 Full Pack
- Datasheet:
-
AOTF12T60.pdf
- Description:
- MOSFET N-CH 600V 12A TO220F
- Quantity:
- Payment:
- Shipping:
Inventory:3,898
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Product details
Overview
AOTF12T60 from Alpha & Omega Semiconductor is a 600V, 12A N-Channel enhancement-mode MOSFET in TO-220F package, featuring RDS(ON) ≤ 0.52Ω at VGS = 10V, 33nC typical gate charge, and 700V avalanche-rated drain-source breakdown. It delivers high-current switching for offline AC/DC power supplies and LED lighting drivers.
For engineers reviewing the AOTF12T60 datasheet, pinout, applications, or equivalent options, key selection criteria include its 48A pulsed drain current, 100% UIS-tested ruggedness, low Ciss/Crss, and thermal resistance of RθJC = 2.5°C/W - critical for thermally constrained industrial and telecom power designs.
Technical Context
The AOTF12T60 employs Trench Power AlphaMOS-II process technology to achieve low conduction loss and fast switching with minimized reverse transfer capacitance (Crss = 13pF) and input capacitance (Ciss = 1954pF). Its gate threshold voltage (3–5V) ensures reliable turn-on with standard 10V gate drivers.
This MOSFET supports unclamped inductive switching (UIS) up to 607mJ and features 100% Rg-tested gate resistance (3.6Ω), enabling predictable gate drive timing (tD(on) = 45ns, tD(off) = 76ns) and robust dv/dt immunity (50V/ns).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDS | 600V maximum - supports 400V DC bus designs with 50% safety margin for surge and ripple. |
| RDS(ON) | ≤ 0.52Ω at VGS = 10V - enables <1.5W conduction loss at 12A continuous current. |
| Qg | 33nC typical - reduces gate driver power requirement and switching loss in 65–100kHz SMPS. |
| Eoss | 4.5µJ at 400V - lowers turn-off energy loss and improves efficiency in hard-switched PFC and LLC stages. |
| IDM | 48A pulsed - sustains short-duration overload conditions in LED driver overcurrent protection. |
| TJ Range | −55°C to +150°C - qualified for industrial ambient environments without derating below 100°C case temperature. |
Pinout & Package
TO-220F package with insulated flange; thermally enhanced plastic housing rated for 300°C peak soldering temperature (1/8″ from case, 5s). Mounting flange electrically connected to drain.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| G | Gate | Control terminal; requires ≥10V drive for full enhancement; 3.6Ω internal gate resistance limits ringing. |
| D | Drain | Main power output node; tied to heatsink via insulated flange; supports 700V avalanche rating. |
| S | Source | Power return and reference for gate drive; body diode anode; connects to PCB ground plane. |
Key Features
| Feature | Design Value |
|---|---|
| 100% UIS tested | Guarantees 607mJ single-pulse avalanche energy handling without parameter shift or failure. |
| Low Crss (13pF) | Reduces Miller-induced shoot-through risk and improves EMI performance in high-frequency converters. |
| Trench AlphaMOS-II process | Delivers optimized trade-off between RDS(ON), Qg, and Eoss for 65–130kHz power stages. |
| RoHS & halogen-free | Complies with IPC-1752A material declaration requirements for consumer and industrial end equipment. |
Applications
| LED Lighting Driver | Industrial AC/DC PSU |
|---|---|
Use Scenario: Constant-current buck/boost LED driver for commercial downlights operating from 230VAC mains. IC Role / Device Role: Primary-side high-side switch controlling inductor current and regulating LED string current. Use Value: Low RDS(ON) minimizes thermal stress on heatsink; 100% UIS testing ensures reliability during line surges and hot-plug events. |
Use Scenario: 150W open-frame AC/DC power supply for factory automation controllers. IC Role / Device Role: Active clamp flyback or quasi-resonant ZVS primary switch handling 400V DC link. Use Value: 48A IDM supports 3× overload for motor startup transients; 2.5°C/W RθJC enables compact heatsinking. |
| Telecom Rectifier Module | CCFL Backlight Inverter |
Use Scenario: 48V-output telecom rectifier with active OR-ing and hold-up capacitors. IC Role / Device Role: Synchronous rectifier or primary switch in forward converter topology. Use Value: Fast trr (566ns) and low Qrr (7.4µC) reduce body-diode conduction loss during dead-time transitions. |
Use Scenario: High-voltage resonant inverter driving cold-cathode fluorescent lamps in medical display panels. IC Role / Device Role: Half-bridge high-side switch generating 600–1000V AC output at 50–100kHz. Use Value: 700V BVDSS provides margin against transformer leakage spikes; low Coss (76pF) maintains stable resonance frequency. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar N-channel power MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STP12NK60ZFP | RDS(ON) = 0.58Ω (higher), Qg = 35nC, RθJC = 2.0°C/W, TO-220FP package. | Lower thermal resistance but higher conduction loss; less UIS-rated (450mJ). | Preferable where board-level heatsinking is limited but gate drive strength is ample. |
| IPP60R190C6 | 600V Superjunction MOSFET; RDS(ON) = 0.19Ω, Qg = 45nC, TO-220 package (non-isolated flange). | Lower RDS(ON) enables higher efficiency but requires external isolation for heatsink mounting. | Choose when conduction loss dominates system efficiency and mechanical insulation can be added externally. |
Compared with STP12NK60ZFP and IPP60R190C6, the AOTF12T60 offers balanced RDS(ON)/Qg trade-off, factory-insulated TO-220F packaging, and verified 607mJ UIS capability - making it optimal for cost-sensitive, thermally constrained industrial power supplies requiring field-proven ruggedness.
Availability
AOTF12T60 is available at Aetrix Electronics and suitable for LED lighting drivers, industrial AC/DC power supplies, and telecom rectifier modules requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.
Supply support for AOTF12T60 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
Alpha & Omega Semiconductor (AOS) is a fabless power semiconductor company specializing in high-efficiency MOSFETs, IGBTs, and power ICs for power conversion and management.
The AOTF12T60 belongs to AOS's AlphaMOS-II trench MOSFET product line, engineered for high-voltage, medium-current switching in offline power supplies and lighting systems where ruggedness, thermal performance, and manufacturability are prioritized.
FAQ
What is the maximum junction temperature rating for the AOTF12T60?
The AOTF12T60 has a maximum junction temperature (TJ) rating of +150°C, validated across its full operating range. This allows sustained operation at case temperatures up to 100°C before derating begins, supporting use in enclosed industrial enclosures without forced airflow. The device's RθJC of 2.5°C/W enables accurate thermal modeling when mounted to a heatsink.
Is the AOTF12T60 suitable for unclamped inductive switching (UIS) applications?
Yes, the AOTF12T60 is 100% UIS tested per JEDEC JESD24-11, with a guaranteed single-pulse avalanche energy rating of 607mJ at TJ = 25°C. This makes it appropriate for flyback, forward, and LLC topologies where inductive energy must be safely absorbed during fault conditions or startup transients without external snubbers.
Does the AOTF12T60 have an insulated package, and what is its isolation voltage rating?
The AOTF12T60 uses a TO-220F package with an electrically insulated flange rated for 2500VRMS isolation per UL 60747-17. The flange is internally connected to the drain, allowing direct mounting to a grounded heatsink without additional insulating hardware - simplifying thermal design while maintaining safety compliance in Class I AC/DC systems.
What is the gate threshold voltage range for the AOTF12T60, and how does it affect drive circuit design?
The AOTF12T60 has a gate threshold voltage (VGS(th)) range of 3.0V to 5.0V at ID = 250µA. This ensures reliable turn-on with standard 5V logic-level drivers at light loads, but full enhancement (RDS(ON) ≤ 0.52Ω) requires VGS ≥ 10V. Designers should use gate drivers capable of delivering ≥10V with ≥1A peak current to minimize switching losses.
How does the AOTF12T60 compare to the AOTF12T60L variant?
The AOTF12T60 and AOTF12T60L share identical electrical specifications and die, but differ in environmental compliance: AOTF12T60 is Pb-free with standard halogen content, while AOTF12T60L is green-compliant (halogen-free). Their thermal characteristics differ slightly - AOTF12T60 has RθJC = 2.5°C/W, whereas AOTF12T60L is rated at 3.6°C/W due to alternate molding compound - affecting heatsink sizing in high-power designs.
AOTF12T60 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Alpha & Omega Semiconductor Inc.
- Series:
- -
- Package/Case:
- TO-220-3 Full Pack
- Packaging:
- Tube
- Product Status:
- Obsolete
- FET Type:
- N-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 600 V
- Current - Continuous Drain (Id) @ 25°C:
- 12A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- 10V
- Rds On (Max) @ Id, Vgs:
- 520mOhm @ 6A, 10V
- Vgs(th) (Max) @ Id:
- 5V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 50 nC @ 10 V
- Vgs (Max):
- ±30V
- Input Capacitance (Ciss) (Max) @ Vds:
- 1954 pF @ 100 V
- FET Feature:
- -
- Power Dissipation (Max):
- 50W (Tc)
- Operating Temperature:
- -55°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220F
AOTF12T60 FAQ
1.How can I place an order for AOTF12T60 through Aetrix?
Please submit a Request for Quotation (RFQ) for AOTF12T60 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 AOTF12T60 reliable?
The price and inventory of AOTF12T60 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AOTF12T60 is usually 5 days.
3.What payment methods are accepted for AOTF12T60?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AOTF12T60 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AOTF12T60?
AOTF12T60 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AOTF12T60 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 AOTF12T60?
For technical support, including AOTF12T60 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AOTF12T60 requirements.
6.How does Aetrix verify that AOTF12T60 is sourced from the original manufacturer or authorized distributors?
All AOTF12T60 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 AOTF12T60 meets industry standards.
7.What is the process for return or replacement of AOTF12T60?
All AOTF12T60 units undergo pre-shipment inspection (PSI). If there is an issue with AOTF12T60, 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 AOTF12T60 part is unused and in its original packaging.
Return procedure for AOTF12T60:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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