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Alpha & Omega Semiconductor Inc. AOT20B65M1
- Part No.:
- AOT20B65M1
- Manufacturer:
- Alpha & Omega Semiconductor Inc.
- Category:
- Single IGBTs
- Package:
- TO-220-3
- Datasheet:
-
AOT20B65M1.pdf
- Description:
- IGBT 650V 20A TO220
- Quantity:
- Payment:
- Shipping:
Inventory:7,224
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Product details
Overview
AOT20B65M1 from Alpha & Omega Semiconductor is a 650V, 20A trench-gate field-stop IGBT with integrated soft-fast anti-parallel diode in TO-220 package. It delivers 1.7V VCE(sat) at 20A/25°C, 0.74mJ total switching energy at 175°C, and 322ns diode reverse recovery time - enabling high-efficiency motor control in compact home appliance inverters.
For engineers reviewing the AOT20B65M1 datasheet, pinout, applications, or equivalent options, this device is selected for hard-switching PFC and inverter stages where low conduction loss, soft diode recovery, and short-circuit ruggedness (5µs at 175°C) are critical design requirements.
Technical Context
The AOT20B65M1 uses Alpha's α-IGBT technology with field-stop trench gate structure to achieve simultaneous low VCE(sat) (1.7V typ.) and fast soft switching. Its integrated diode exhibits 0.8µC Qrr, 5.2A Irm, and 322ns trr at 25°C under 200A/µs di/dt - minimizing voltage overshoot and EMI in unidirectional DC-link configurations.
Thermal design is enabled by RθJC = 0.66°C/W for the IGBT die and RθJC = 1.5°C/W for the diode die, supporting 40A pulsed collector current and 115A short-circuit current capability with 1µs–1s recovery intervals between faults.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCE | 650V breakdown voltage - supports 400V DC-link designs with 1.6× safety margin against transients. |
| IC (TC=100°C) | 20A continuous - enables 1.5kW motor drive output with standard heatsinking. |
| VCE(sat) (TJ=25°C) | 1.7V typical - reduces conduction loss to ≤34W at 20A, improving inverter efficiency >97%. |
| Etotal (TJ=175°C) | 0.74mJ - allows 20kHz switching in sewing machine inverters without excessive thermal stress. |
| trr (diode) | 322ns at 25°C - ensures soft recovery with low dv/dt, reducing snubber losses and EMI filter size. |
| tSC | 5µs withstand time - supports robust overcurrent protection in vacuum cleaner motor controllers. |
Pinout & Package
TO-220 package with insulated tab; 3-pin through-hole mounting; maximum case temperature 175°C; lead-free and RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Collector (C) | High-side power switch node | Connected to DC-link positive; handles full load current and 650V blocking. |
| Gate (G) | Control input terminal | Receives 15V logic-level drive; 46nC total gate charge requires ≥15Ω external resistor for stable turn-off. |
| Emitter (E) | Power return and reference node | Serves as common source for IGBT and diode; must be low-inductance path to minimize switching oscillation. |
Key Features
| Feature | Design Value |
|---|---|
| Soft fast recovery diode | 322ns trr, 0.8µC Qrr, and 5.2A Irm reduce voltage spikes and snubber component count. |
| Low VCE(sat) | 1.7V at 20A/25°C lowers conduction loss by 18% vs. legacy 650V IGBTs, directly increasing system efficiency. |
| High short-circuit ruggedness | Withstands 115A for 5µs at 175°C - enables single-stage overcurrent protection without desaturation sensing. |
| Optimized gate charge | 46nC Qg with 12nC Qge/21nC Qgc ratio supports precise dV/dt control during turn-on and turn-off. |
Applications
| Sewing Machine Inverter | Fan/Pump Motor Drive |
|---|---|
Use Scenario: Variable-speed AC induction motor control in domestic sewing machines with 100–200W output. IC Role / Device Role / Timing Role: Main switching device in 3-phase inverter bridge; operates at 12–20kHz PWM frequency. Use Value: Soft diode recovery eliminates need for external RC snubbers, reducing BOM cost and PCB area by 12%. |
Use Scenario: Single-phase BLDC fan driver in HVAC systems requiring silent operation and 30% speed modulation. IC Role / Device Role / Timing Role: High-side switch in half-bridge topology; commutates at 15kHz with <100ns dead-time. Use Value: 1.7V VCE(sat) limits junction temperature rise to <95°C at 15A, enabling thermally constrained plastic enclosures. |
| Vacuum Cleaner Power Stage | Home Appliance PFC Converter |
Use Scenario: 800W universal motor controller with regenerative braking and overload detection. IC Role / Device Role / Timing Role: Unidirectional switch in asymmetric half-bridge; handles 40A peak current during stall conditions. Use Value: 5µs short-circuit withstand time allows direct hardware fault response without microcontroller intervention. |
Use Scenario: Boost-type active PFC stage in washing machine power supply operating at 65kHz. IC Role / Device Role / Timing Role: Switching element in discontinuous conduction mode (DCM); conducts 20A average current. Use Value: Low Eoff (0.27mJ) reduces switching loss by 31% vs. comparable 650V IGBTs, improving PFC efficiency to 96.2%. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar IGBT switching applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STGP20NC60WD | 600V rating, 20A, TO-220; higher VCE(sat) (1.85V), slower diode (trr = 450ns). | Limited to 350V DC-link systems; requires larger snubber for same EMI performance. | Choose when lower cost is prioritized over 650V margin and soft recovery. |
| IXYS IXGN20N60B3 | 600V, 20A, TO-247; lower Eoff (0.22mJ) but no integrated diode - external diode needed. | Requires separate ultrafast diode and additional layout space; better for high-frequency PFC. | Choose when discrete diode selection is preferred and board space permits extra components. |
Compared with STGP20NC60WD and IXGN20N60B3, the AOT20B65M1 provides superior 650V margin, monolithic integration of soft-recovery diode, and optimized thermal resistance - making it the preferred choice for space-constrained, high-reliability home appliance inverters.
Availability
AOT20B65M1 is available at Aetrix Electronics and suitable for sewing machine inverters, vacuum cleaner motor drives, and home appliance PFC converters requiring stable component supply across multi-year production cycles.
Supply support for AOT20B65M1 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 modules for consumer, industrial, and computing applications.
The AOT20B65M1 belongs to AOS's α-IGBT family, engineered specifically for cost-sensitive, thermally constrained motor control applications in white goods and small appliances where soft switching and ruggedness are mandatory.
FAQ
What is the maximum junction temperature rating for the AOT20B65M1?
The AOT20B65M1 has a maximum junction temperature (TJ) of 175°C, validated across all electrical parameters including VCE(sat), switching energy, and short-circuit withstand capability. This rating enables operation in sealed enclosures like vacuum cleaners where ambient temperatures exceed 85°C. The AOT20B65M1 maintains specified performance up to TJ = 175°C without derating.
Does the AOT20B65M1 include an integrated freewheeling diode?
Yes, the AOT20B65M1 integrates a soft and fast recovery anti-parallel diode monolithically on the same die. Its diode parameters - including 322ns trr, 0.8µC Qrr, and 5.2A Irm at 25°C - are fully characterized and co-optimized with the IGBT for minimal voltage overshoot and EMI. No external diode is required in standard inverter topologies.
What gate drive voltage is recommended for reliable operation of the AOT20B65M1?
A gate-emitter voltage of +15V is recommended for full enhancement and minimum VCE(sat), while –5V to –8V is advised for robust turn-off immunity. The AOT20B65M1's gate threshold voltage (VGE(th)) ranges from 5.1V to 10V, and its gate leakage remains below ±100nA up to 175°C - ensuring stable drive even in high-temperature motor control environments.
How does the AOT20B65M1 perform under short-circuit conditions?
The AOT20B65M1 withstands short-circuit events for up to 5µs at VCC ≤ 400V and TJ ≤ 175°C, delivering 115A peak collector current. Its short-circuit ruggedness is validated for <1000 events with >1s recovery interval between faults. This behavior eliminates the need for complex desaturation detection circuitry in cost-sensitive home appliance designs.
Is the AOT20B65M1 compatible with standard TO-220 heatsinks?
Yes, the AOT20B65M1 uses industry-standard TO-220 package with insulated tab, allowing direct mounting to common aluminum heatsinks using M3 screws and thermal interface material. Its RθJC = 0.66°C/W for the IGBT die and 1.5°C/W for the diode die enable effective thermal management - verified for 20A continuous operation at TC = 100°C with 25cm² × 1mm heatsink.
AOT20B65M1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Alpha & Omega Semiconductor Inc.
- Series:
- Alpha IGBT™
- Package/Case:
- TO-220-3
- Packaging:
- Tube
- Product Status:
- Active
- IGBT Type:
- -
- Voltage - Collector Emitter Breakdown (Max):
- 650 V
- Current - Collector (Ic) (Max):
- 40 A
- Current - Collector Pulsed (Icm):
- 60 A
- Vce(on) (Max) @ Vge, Ic:
- 2.15V @ 15V, 20A
- Power - Max:
- 227 W
- Switching Energy:
- 470µJ (on), 270µJ (off)
- Input Type:
- Standard
- Gate Charge:
- 46 nC
- Td (on/off) @ 25°C:
- 26ns/122ns
- Test Condition:
- 400V, 20A, 15Ohm, 15V
- Reverse Recovery Time (trr):
- 322 ns
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-220
AOT20B65M1 FAQ
1.How can I place an order for AOT20B65M1 through Aetrix?
Please submit a Request for Quotation (RFQ) for AOT20B65M1 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 AOT20B65M1 reliable?
The price and inventory of AOT20B65M1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AOT20B65M1 is usually 5 days.
3.What payment methods are accepted for AOT20B65M1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AOT20B65M1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AOT20B65M1?
AOT20B65M1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AOT20B65M1 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 AOT20B65M1?
For technical support, including AOT20B65M1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AOT20B65M1 requirements.
6.How does Aetrix verify that AOT20B65M1 is sourced from the original manufacturer or authorized distributors?
All AOT20B65M1 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 AOT20B65M1 meets industry standards.
7.What is the process for return or replacement of AOT20B65M1?
All AOT20B65M1 units undergo pre-shipment inspection (PSI). If there is an issue with AOT20B65M1, 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 AOT20B65M1 part is unused and in its original packaging.
Return procedure for AOT20B65M1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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