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APT75GP120JDQ3
Microchip Technology
IGBT MOD 1200V 128A 543W ISOTOP
34188 Pcs New Original In Stock
IGBT Module PT Single 1200 V 128 A 543 W Chassis Mount ISOTOP®
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Minimum 1
5.0 / 5.0
- (480 Ratings)
APT75GP120JDQ3
Product Overview
13252623
DiGi Electronics Part Number
APT75GP120JDQ3-DGManufacturer
Microchip Technology
APT75GP120JDQ3
Description
IGBT MOD 1200V 128A 543W ISOTOPInventory
34188 Pcs New Original In Stock
IGBT Module PT Single 1200 V 128 A 543 W Chassis Mount ISOTOP®
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
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APT75GP120JDQ3 Technical Specifications
Category
Transistors, IGBTs, IGBT Modules
Packaging
Tube
Series
POWER MOS 7®
Product Status
Active
IGBT Type
PT
Configuration
Single
Voltage - Collector Emitter Breakdown (Max)
1200 V
Current - Collector (Ic) (Max)
128 A
Power - Max
543 W
Vce(on) (Max) @ Vge, Ic
3.9V @ 15V, 75A
Current - Collector Cutoff (Max)
1.25 mA
Input Capacitance (Cies) @ Vce
7.04 nF @ 25 V
Input
Standard
NTC Thermistor
No
Operating Temperature
-55°C ~ 150°C (TJ)
Mounting Type
Chassis Mount
Package / Case
ISOTOP
Supplier Device Package
ISOTOP®
Base Product Number
APT75GP120
Datasheet & Documents
HTML Datasheet
APT75GP120JDQ3-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8541.29.0095
Additional Information
Other Names
APT75GP120JDQ3MI
APT75GP120JDQ3MI-ND
Standard Package
1
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
Le suivi logistique est transparent, je suis toujours informé en temps réel.
Dec 02, 2025
Les produits ont dépassé mes attentes en terme de qualité, et leur équipe support est toujours disponible.
Dec 02, 2025
物流のスピードに驚きました。注文してから数日で商品が届き、その丁寧な梱包にも感心しました。
Dec 02, 2025
Having a partner like DiGi Electronics, with abundant stock and responsive support, is a great asset.
Dec 02, 2025
The service experience with DiGi Electronics is consistently positive and reassuring.
Dec 02, 2025
Their inventory system adapts well to our bulk ordering requirements.
Dec 02, 2025
Their packaging materials are high quality, ensuring product safety.
Dec 02, 2025
My order was shipped out immediately after purchase, showcasing efficient logistics.
Dec 02, 2025
Every interaction with DiGi Electronics reassures me of their commitment to quality and customer satisfaction.
Dec 02, 2025
Fast shipping combined with proactive support makes every experience delightful.
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Frequently Asked Questions (FAQ)
Can the APT75GP120JDQ3 IGBT module be safely used as a drop-in replacement for an older Infineon FF100R12KS4 in a 3-phase motor drive inverter, and what design risks should I evaluate before making the switch?
While both the APT75GP120JDQ3 and Infineon FF100R12KS4 are 1200V IGBT modules rated around 100–128A, they are not direct electrical or thermal drop-ins due to differences in gate drive requirements, switching behavior, and package parasitics. The APT75GP120JDQ3 uses Microchip’s POWER MOS 7® technology with lower input capacitance (7.04 nF vs. ~9.5 nF for the FF100R12KS4), which may allow faster switching but increases susceptibility to Miller-induced turn-on if gate drive layout isn’t optimized. Additionally, the ISOTOP® package has different mounting hole patterns and thermal interface characteristics compared to the EconoPACK™ used in the FF100R12KS4. Before replacement, verify gate resistor values, dead-time margins, and short-circuit ruggedness under your specific DC-link voltage and load conditions. Always revalidate thermal performance using empirical testing or detailed thermal modeling, as even small differences in Vce(on) and switching losses can significantly impact junction temperature at high duty cycles.
What are the key thermal management considerations when designing a heatsink interface for the APT75GP120JDQ3 in a high-vibration industrial environment, and how does the ISOTOP® package influence reliability?
The APT75GP120JDQ3’s ISOTOP® package is designed for direct chassis mounting with excellent thermal conductivity, but its reliability in high-vibration settings depends heavily on proper mounting torque, flatness of the baseplate and heatsink, and use of compliant thermal interface materials (TIMs). Unlike soldered or press-fit packages, ISOTOP® relies on mechanical clamping force to maintain low thermal resistance—typically requiring 6–8 Nm torque per screw with spring washers to prevent loosening. Uneven pressure or warped surfaces can create hotspots, especially since the module dissipates up to 543W under peak loads. Use a high-quality phase-change TIM or graphite pad rated for >5 W/mK, and ensure the heatsink surface finish is ≤10 µm flatness. Also, avoid rigid mechanical connections to external busbars; instead, use flexible copper straps to decouple vibration stress from the module terminals, preventing fatigue cracking over time.
How does the absence of an integrated NTC thermistor in the APT75GP120JDQ3 affect system-level thermal protection design, and what are the best practices for implementing accurate overtemperature shutdown?
The APT75GP120JDQ3 does not include an onboard NTC thermistor, which means you must externally monitor temperature to protect against thermal runaway—a critical gap in safety-critical applications like solar inverters or UPS systems. Relying solely on heatsink-mounted sensors introduces lag and underestimates true junction temperature, especially during transient overloads. Best practice is to mount a discrete NTC or RTD as close as possible to the module’s baseplate, ideally within 10 mm and thermally coupled with epoxy or a dedicated sensor well. Calibrate your shutdown threshold using the known Rth(j-c) of the APT75GP120JDQ3 (typically ~0.24 K/W) to estimate Tj from case temperature. For higher accuracy, implement dynamic thermal modeling in firmware that accounts for recent load history. Always include a hardware-based fast trip (e.g., via comparator circuit) in addition to software monitoring to meet functional safety requirements such as IEC 61508.
Is the APT75GP120JDQ3 suitable for hard-switched applications like resonant converters or ZVS topologies, and what gate drive precautions are necessary to avoid dynamic avalanche failure?
The APT75GP120JDQ3 is primarily optimized for hard-switching applications such as motor drives and UPS inverters, but it can be used in certain soft-switched topologies if careful attention is paid to voltage overshoot and dv/dt control. In resonant or ZVS circuits, parasitic inductance in the DC-link and module layout can cause voltage spikes exceeding the 1200V rating during turn-off, especially at high currents. Although the device has some degree of avalanche capability, repeated dynamic avalanche events—common in poorly damped resonant tanks—can lead to premature degradation. To mitigate this, use a low-inductance busbar design, place snubber capacitors within 2 cm of the module terminals, and ensure the gate driver provides active Miller clamping. Additionally, set the gate resistance high enough to limit di/dt during turn-off, but not so high that it increases switching losses excessively. Always validate operation with double-pulse testing under worst-case resonant conditions.
When paralleling multiple APT75GP120JDQ3 modules for higher current capacity, what layout and drive synchronization techniques are essential to ensure current sharing remains within ±10% under dynamic load steps?
Paralleling APT75GP120JDQ3 modules demands meticulous attention to electrical symmetry, thermal coupling, and gate drive timing to avoid destructive current imbalance. Even minor differences in gate loop inductance or threshold voltage can cause one module to switch faster, leading to uneven dynamic current sharing—especially during turn-on transients. Use a common, low-inductance DC bus with symmetric current paths, and mount all modules on the same heatsink with uniform clamping force to minimize thermal gradients. Employ a single gate driver with individual gate resistors for each module (typically 2–5 Ω) to dampen oscillations and allow fine-tuning. Ensure gate drive signals are length-matched and routed away from power loops to prevent crosstalk. For best results, select modules from the same production batch and verify static Vce(on) matching within 5%. Finally, implement real-time current sensing (e.g., with shunt resistors or Rogowski coils) and feedback-controlled gate delay adjustment if operating above 50 kHz or in mission-critical systems.
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APT75GP120JDQ3 CAD Models
Microchip Technology APT75GP120JDQ3 PCB symbols & footprints
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