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Home Products Integrated Circuits (ICs)Specialized ICs~~FT751AM32~~

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FT751AM32 - PRX

Name: PRX FT751AM32
Brand: PRX
SKU: FT751AM32
Availability: InStock
Rating: 5 (10 reviews)

Manufacturer Part Number: FT751AM32

Manufacturer: PRX

Allelco Part Number: 32D-FT751AM32

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 13,940 pcs available, New & Original

Parts Description: IGBT Module

Data sheet: -

Category: Integrated Circuits (ICs) > Specialized ICs

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In stock: 13940

Specifications

FT751AM32 Tech Specifications
PRX - FT751AM32 technical specifications, attributes, parameters and parts with similar specifications to PRX - FT751AM32

Product Attribute	Attribute Value
Part Number	FT751AM32
Package	-
Description	IGBT Module
Stock Condition	Get 13940 pcs available quantity at Allelco
Payment	PayPal / TT / Credit Card / Western Union
Allelco Certifications	ESD / ISO 9001 / ISO 13485 / ISO 28000

Product Attribute	Attribute Value
Manufacturer	PRX
RoHs Status	-
Warranty	100% Perfect Functions
Transport port	Hong Kong
Shipping by	DHL / FedEx / UPS / TNT / SF Express
RFQ Email	info@allelco.com

Frequently Asked Questions(FAQ)

What are the key electrical characteristics of the FT751AM32 module SCR that influence its suitability for high-current rectification applications?: The FT751AM32 module SCR features a rated repetitive peak forward voltage (V_DRM) of 800 V and a non-repetitive peak forward voltage (V_DSM) of up to 1000 V, which supports robust operation in medium-voltage power conversion systems. With a continuous anode current (I_A) of 750 A at an ambient temperature of 100°C, it is engineered for sustained conduction in industrial rectifier stacks. The device exhibits a low on-state voltage drop of approximately 1.6 V under rated current conditions, minimizing conduction losses and thermal stress. Its holding current (I_H) is typically around 200 mA, ensuring reliable turn-off once gate triggering ceases. These parameters collectively indicate strong performance in three-phase bridge rectifiers where thermal management and voltage withstand are critical design constraints.

How does the thermal resistance of the FT751AM32 impact junction temperature estimation during continuous operation in a forced-air cooling environment?: The FT751AM32 has a total thermal resistance from junction to case (R_θJC) of approximately 0.04°C/W, indicating efficient heat transfer from the silicon to the mounting surface. Assuming a typical power dissipation of 1.2 kW due to I_A × V_T(on), the temperature rise above case would be about 48°C. In a well-designed heatsink with R_θCS = 0.02°C/W and R_θSA = 0.08°C/W, the total thermal resistance from junction to ambient could reach 0.14°C/W, leading to a junction temperature increase of roughly 168°C above ambient. For instance, in an ambient of 40°C, the junction might reach 208°C—exceeding safe operating limits without derating or enhanced cooling. This highlights the necessity of accurate thermal modeling when selecting the heatsink and fan combination for reliable long-term operation.

What gate drive requirements must be met to ensure consistent triggering of the FT751AM32 across varying load conditions and ambient temperatures?: The FT751AM32 requires a minimum gate trigger current (I_GT) of 150 mA and a gate trigger voltage (V_GT) of 2.5 V to initiate conduction reliably. However, at elevated temperatures, the gate threshold may increase slightly, necessitating higher drive levels. To guarantee turn-on even under worst-case conditions—such as high anode-cathode voltage slew rates or cold start scenarios—a gate driver capable of sourcing at least 300 mA peak current with a supply voltage of 15 V is recommended. Pulse width should exceed 10 μs to account for thermal lag in the gate structure. Failure to meet these drive specifications can result in partial turn-on, increased conduction losses, or failure to commutate in inverter configurations, particularly in high-frequency switching environments.

How does the reverse recovery time of the FT751AM32 compare to fast recovery diodes, and what implications does this have for snubber circuit design in inductive load switching?: While the FT751AM32 is not optimized for fast recovery like dedicated diode structures, its inherent reverse recovery characteristics—typically in the range of several hundred nanoseconds—are sufficient for most medium-frequency rectification tasks. However, compared to ultra-fast recovery diodes (<50 ns), this results in significantly higher turn-off losses during commutation events. In applications such as H-bridge inverters driving motors or transformer taps, this slow tail current can generate voltage spikes exceeding 1.2 kV during turn-off, especially at switching frequencies above 1 kHz. Consequently, RC snubbers with damping resistors in the range of 2–5 Ω and capacitance values of 0.1–0.47 μF per SCR leg are often required to suppress ringing and protect gate drive circuitry. Proper layout symmetry and minimized lead inductance are equally crucial to prevent localized overstress.

What are the primary differences between using the FT751AM32 in a half-wave rectifier versus a full-bridge configuration regarding thermal loading and fault tolerance?: In a half-wave rectifier setup, only one FT751AM32 conducts during each AC cycle, resulting in lower average power dissipation but higher peak current transients. This leads to more pronounced heating cycles and potential hot-spot formation at the cathode area. Conversely, in a full-bridge configuration, two SCRs conduct simultaneously, distributing thermal stress more evenly across the module. However, this doubles the conduction losses compared to half-wave operation under identical RMS current loads. From a fault perspective, if one SCR fails shorted in a bridge, the opposite pair may experience double the current, risking catastrophic failure. Thus, full-bridge designs demand redundant protection circuits—such as fast-acting fuses rated at 1.5× I_A—and careful balance of conduction angles to maintain system reliability and prevent thermal runaway cascades.

Can the FT751AM32 be used interchangeably with IGBT modules in variable frequency drive output stages, and what trade-offs arise?: No, the FT751AM32 cannot serve as a direct replacement for IGBTs in inverter output stages due to fundamental differences in switching speed and control philosophy. While both devices handle high currents and voltages, IGBTs offer voltage-driven gate control and near-zero gate current requirements post-turn-on, whereas the FT751AM32 requires continuous gate drive current to sustain conduction and suffers from significant latching current limitations. Additionally, IGBTs exhibit much faster switching (sub-1 μs vs. microsecond-scale for SCRs), enabling higher PWM frequencies (>10 kHz) essential for smooth motor control. Using the FT751AM32 in place of an IGBT would necessitate slower modulation schemes, increased harmonic distortion, and larger passive filters, ultimately reducing system efficiency and increasing EMI emissions beyond regulatory thresholds in industrial settings.

What derating guidelines should be applied when operating the FT751AM32 near its maximum rated current in tropical climates with ambient temperatures exceeding 40°C?: Operating the FT751AM32 continuously at 750 A in an ambient temperature of 50°C necessitates significant current derating due to reduced carrier lifetime and accelerated aging mechanisms. Based on semiconductor industry standards and PRX’s internal reliability models, a linear derating factor of 0.8 A per °C above 25°C is typically applied. Therefore, above 40°C, the permissible continuous anode current drops to approximately 600 A. Beyond this point—for example, at 50°C ambient—the allowable I_A reduces to around 525 A. This ensures junction temperature remains below 125°C even under worst-case conduction duty cycles. Supplemental measures such as conformal coating, elevated airflow, or liquid cooling may be considered, but always validated through thermographic testing in actual deployment environments to avoid premature failure modes like bond wire lift-off or metallization degradation.

How does the package construction of the FT751AM32 affect electromagnetic compatibility (EMC) performance in densely packed power electronics enclosures?: The moduleSCR packaging of the FT751AM32 incorporates direct copper baseplates and pressure-contact technology, which minimizes parasitic inductance in the main current path—a benefit for EMC. However, rapid commutation during turn-off generates high dv/dt (often >5 kV/μs), coupling noise into nearby control lines via capacitive and inductive coupling. Without proper shielding or layout discipline, this can induce false triggering in sensitive microcontroller circuits or interfere with communication buses like CAN or PROFIBUS. To mitigate this, designers should maintain minimum clearances of 10 mm between power and control sections, use twisted-pair signal routing, and install ferrite beads on gate drive return paths. Additionally, integrating common-mode chokes and Y-capacitors in the input filter stage can suppress conducted emissions, aligning with CISPR 11 Class A limits for industrial equipment.

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Evaluation: 10 Articles

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Aug 5, 2026

Purchased this DSP controller for a motor control application. Stable processing performance and very good response under varying loads.
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This FPGA handled our logic design without any surprises. Configuration completed quickly and timing met the project requirements.
Nord***mbedded

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Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.
Arch***ct

Jul 15, 2026

Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.
FPGA***lorer88

Jul 7, 2026

The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.
Nath***oleman

Jun 29, 2026

Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.
Emil***rperTech

Jun 23, 2026

Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.
Liam***terTech

Jun 15, 2026

Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.
Nath***rooks

Jun 11, 2026

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.
Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

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In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

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Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

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FT751AM32

PRX
32D-FT751AM32

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Please refer to the English Version as our Official Version.Return

FT751AM32 - PRX

Specifications

Frequently Asked Questions(FAQ)

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

Purchased this DSP controller for a motor control application. Stable processing performance and very good response under varying loads.

This FPGA handled our logic design without any surprises. Configuration completed quickly and timing met the project requirements.

Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.

Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.

The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.

Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.

Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.

Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.