An IGBT module is an integrated power semiconductor package that combines insulated-gate bipolar transistor chips with freewheeling diodes to switch and convert high-power electricity. It is a core component in solar inverters, motor drives, electric vehicle chargers, UPS systems and industrial power supplies.

If you arrived here by searching for IGBT module, you are likely an engineer, procurement manager or distributor who is evaluating options. You face a wide range of voltage classes, current ratings, package types and brand families, and you do not want to guess. This guide starts at the beginning — what an IGBT module is, which related module families exist (MOSFET, thyristor, diode, bridge rectifier and fuse), what each is used for, and how to narrow down your choice without drowning in jargon.

IGBT modules are available in voltage classes from 600 V to 1700 V and current ratings from 50 A to 1200 A.

Why Choosing an IGBT Module Feels Complicated

The difficulty is not a lack of options. It is a lack of consistent information. Datasheets use different notations for the same parameter. Package dimensions may look similar but differ by a fraction of a millimetre. When you compare products listed under Infineon Module, SEMIKRON Module or IXYS Module part numbers, you sometimes find that a model marked as equivalent does not match the original datasheet exactly.

For procurement teams, the bigger issue is often on the supply side. A critical part number may suddenly enter a long lead time. Or you may need to substitute a model several times just to get a prototype working. At the awareness stage, these problems are not yet visible, but they appear as soon as you move toward samples or volume orders.

The underlying need is straightforward: you want a qualified, stable source for modules — and someone who can help you match a module specification to your actual circuit conditions.

Industry Background: Where IGBT Modules Fit

Power semiconductor modules are a foundational layer in the transition toward electrification. The demand for efficient power conversion is growing across energy storage, industrial automation, electric vehicle charging and renewable energy. IGBT modules sit in the middle-to-high power range, filling the gap between MOSFETs and thyristors. MOSFET modules handle high-frequency switching better. Thyristors handle very high currents at lower switching frequencies. Diodes and bridge rectifiers convert AC to DC, and industrial fuses provide short-circuit and overload protection. In real projects, these components are used together rather than in isolation.

China has become a significant supply base for power semiconductor modules. Jiangsu core diamond times Electronic Technology Co., Ltd. is a professional foreign trade company focused on power electronic components, based in Kunshan City, Jiangsu Province, China. The company supplies a full range of IGBT modules and fuses. Its products are exported to the EU, USA, Southeast Asia and other global markets, with 50% export ratio and main markets including the EU, USA, Australia and the Middle East. For importers, distributors and brand owners, direct access to a supplier that understands how modules behave in real circuits — and can respond quickly to technical questions — reduces friction significantly.

Types of Power Semiconductor Modules You Can Source

The module landscape is broader than IGBT alone. A typical design may call for several families at once. Below are the main categories and what each brings to a power electronics build.

IGBT Modules

An IGBT module combines IGBT chips and freewheeling diodes in a single housing. It is the workhorse for DC-to-AC conversion and motor control. Typical voltage ratings span 600 V to 1700 V, and current ratings span 50 A to 1200 A. The structure can be single or dual IGBT chip. Key characteristics include low saturation voltage, high switching speed and an isolated baseplate. Common applications cover power inverters, UPS, welding machines, new energy power conversion and motor drives.

Available model numbers include FF400R12KE3, BSM200GA120DN2, FF300R12MS4, FF450R12KT4, SKM1400GB17P4, SEMIX303GB12E4P, SKM75GB12T4, 2MBI1000VXB-170E-54, 2MBI800XNE-120-50, FF200R12KT4, FF300R12KS4, FF450R12ME4, FF600R12ME4, SEMIX341D16S, SKM200GB12F4, SKM100GB123D, SKM100GB125DN, SKM100GB12T4, FZ600R17KE3, FZ900R12KE4, SKM150GB17E4, SKM300GB12T4, FF400R07KE4, SKM200GB12T4, SKM300GB063D, SKiiP39AC12T4V1, SKiiP38NAB12T4V1, BSM50GB170DN2, FF800R17KE3, FF450R17ME3, FS200R12PT4, DGW40N120CTL, DGW50N65F1A1, IXGN60N60C2D1, IXDN55N120D1 and IXYN82N120C3H1.

These part numbers sit within the Infineon Module, SEMIKRON Module, IXYS Module, Fuji Module, Mitsubishi Module and similar families. For procurement purposes, the label matters less than whether the electrical parameters and package dimensions match your design.

MOSFET Modules

MOSFET modules are chosen for high-frequency switching and low on-resistance. Drain-source voltage ranges from 60 V to 1200 V, and drain current ranges from 30 A to 300 A. They feature low on-state resistance, high switching frequency and an isolated baseplate. Typical applications include new energy vehicle chargers, switching power supplies, solar inverters, industrial power supplies and battery management systems. Examples of available part numbers are IXFN74N100X, IXFN400N15X3, IXFN100N20, IXFN100N50P, IXFN100N65X2 and IXFN102N30P.

MOSFET modules serve high-frequency switching applications with drain current from 30 A to 300 A.

Thyristor / SCR Modules

Thyristor modules are used where very high power and lower switching frequency dominate. Voltage ratings reach up to 3000 V, and current ratings reach up to 1100 A. They offer high surge current capability and low on-state voltage. Typical applications include industrial power control, metallurgy, welding power supplies, power rectifiers and motor soft starters. Part numbers include T1101N30TOF, T298N12TOF, SKKT15/04D, SKKT19/06D, SKKH15/04D and SKT10/06D.

Power Diodes

Power diodes handle rectification and freewheeling. Peak repetitive reverse voltage goes up to 2800 V, and forward current spans 100 A to 1800 A. Low forward voltage drop and fast reverse recovery are the main traits. They serve power rectification, welding equipment, metallurgy, industrial power supplies and new energy. Common models include DD46S08K, DD61S14K, DD81S14K, DD89N12K, DZ435N40K, DZ540N20K, SKKD15/06 and SKKD26/16.

Power diodes cover forward currents from 100 A to 1800 A with fast reverse recovery.

Bridge Rectifier Modules

Bridge rectifier modules convert AC to DC. Peak reverse voltage ranges from 800 V to 2000 V, and average forward current ranges from 25 A to 800 A. They offer low forward voltage drop, isolated baseplate and single-phase or three-phase options. Applications include power supplies, welding machines, motor control, new energy equipment and industrial rectification. Examples are VBE55-06NO7, DF20AA120, SKB25, SKBT28/06, SKBH28/12, SKB50/08A3, SKD30/02A1 and VUO16-14NO1.

Industrial Fuses

Industrial fuses protect circuits from short-circuit and overload. Rated voltage ranges from 690 V to 1500 V, and rated current ranges from 10 A to 1250 A. They offer high breaking capacity and a time-delay characteristic. Construction uses a silver-plated copper element, quartz sand filler, ceramic tube and metal end cap. They are used in energy storage systems, industrial power supplies, automation equipment, new energy vehicle charging and power distribution cabinets. Products comply with international standards such as IEC, CCC and UL. Part numbers include 170M1558, 170M5806, 170M6808, 170M1558D, 170M4863D and 170M6910.

Step-by-Step: How to Select the Right IGBT Module

Selection is a process, not a single decision. Here is a practical sequence for narrowing down options.

Step 1: Determine the voltage class

IGBT modules are rated from 600 V to 1700 V. Choose a class that provides margin above your bus voltage and expected voltage spikes. For a solar inverter or a charging pile, for example, a 1200 V or 1700 V class is often needed to handle the switching transients.

Step 2: Match the current rating

Consider both continuous operating current and peak overload current. Typical currents run from 50 A to 1200 A. The rated current should be reserved with sufficient margin according to the continuous working current and peak overload current of the system, rather than choosing a module that operates at its limit.

Step 3: Choose the package and topology

Decide whether you need a single, dual or full-bridge package. The package must match your heat sink and the pin definition of your drive board. This is especially important when substituting a module from a different supplier.

Step 4: Evaluate thermal design

Overheating in IGBT modules usually stems from insufficient heat dissipation, uneven thermal grease, screws that were not tightened to the specified torque, or a blocked radiator. A module with the right ratings can still fail if the thermal interface is poor. Confirm baseplate flatness and follow the specified torque sequence.

Step 5: Consider switching frequency

Switching loss occurs during turn-on and turn-off when voltage and current overlap, and it increases with higher switching frequency. If your application requires high switching frequency, evaluate both IGBT modules and MOSFET modules; MOSFETs typically have lower switching loss at high frequency.

Step 6: Verify supplier capability

Ask whether the supplier can help you match a module to your circuit design and working conditions. This matters when your project involves IEC, UL or CCC requirements, or when you need a substitute for an obsolete part that remains electrically equivalent. Technical support is a selection criterion, not an afterthought.

Application Scenarios Across Power Conversion

Power modules appear in a wide range of systems. The following scenarios illustrate how module families map to real projects.

• Solar inverters: IGBT modules or MOSFET modules are used for DC-to-AC conversion. Requirements include high temperature resistance, low loss and stable performance under 24/7 continuous operation. Matched equipment includes heat sinks, drive boards, capacitors and inverter cabinets.
• Motor drives and industrial automation: IGBT modules or thyristors are used for motor speed regulation and soft starting. Key considerations are switching speed, overload capability and load cycle endurance.
• EV charging piles: IGBT modules and MOSFET modules are used for power conversion. High switching frequency and long-term reliability are critical.
• UPS systems: IGBT modules provide uninterrupted power conversion. They require low saturation voltage and stable thermal behavior.
• Energy storage cabinets and power distribution cabinets: Industrial fuses protect against overcurrent and short circuit. They need fast breaking and an interrupting capacity matched to the system prospective short-circuit current.
• PV combiner boxes: Fuses provide string-level protection. Fast breaking and high interrupting capacity are the special requirements.

A complete inventory management system supports fast delivery for urgent orders.

Comparison Table: Power Modules and Fuses

The table below summarises the main families by voltage, current, key characteristics and typical applications. All specifications are drawn from the product datasheets listed for Jiangsu core diamond times Electronic Technology Co., Ltd.

Module Type	Typical Voltage Range	Typical Current Range	Key Characteristics	Common Applications
IGBT module	600 V – 1700 V	50 A – 1200 A	Single/dual IGBT chip, low saturation voltage, high switching speed, isolated baseplate	Inverters, UPS, welding, new energy conversion, motor drives
MOSFET module	60 V – 1200 V	30 A – 300 A	Low on-resistance, high switching frequency, isolated baseplate	Chargers, switching power supplies, solar inverters, BMS
Thyristor / SCR	Up to 3000 V	Up to 1100 A	High surge current, low on-state voltage	Industrial power control, metallurgy, welding, soft starters
Power diode	Up to 2800 V	100 A – 1800 A	Low forward voltage drop, fast reverse recovery, high surge current	Rectification, welding, metallurgy, industrial power, new energy
Bridge rectifier module	800 V – 2000 V	25 A – 800 A	Low forward voltage drop, isolated baseplate, single/three-phase	Power supplies, welding, motor control, new energy
Industrial fuse	690 V – 1500 V	10 A – 1250 A	High breaking capacity, time-delay characteristic, compact size	Energy storage, industrial power, automation, distribution cabinets

Frequently Asked Questions

Do your power modules comply with international standards?

Yes. The products comply with international standards such as IEC, UL and CCC, meeting the requirements of industrial, energy storage and new energy projects. The company has established strict incoming inspection and outgoing quality control procedures to reduce the product failure rate.

Can you help select a module based on my circuit design?

Yes. A technical team of five support engineers tracks power electronics developments and can offer customised component recommendations according to your circuit design and working conditions. This is helpful when you need to substitute an obsolete part or match a module to a specific inverter topology.

Are small trial orders and bulk orders both supported?

Yes. The company supports small trial orders as well as bulk volume orders to match different project demands. This makes it feasible to test a candidate IGBT module or fuse before committing to a production quantity. A complete inventory management system and sufficient stock of mainstream IGBT modules and industrial fuses support fast delivery for urgent orders.

Can I request samples before a full order?

Small trial orders serve as a practical sample route. Every product is inspected before shipment to guarantee stable performance. For sample requests or technical questions, you can contact the team directly at xinzuanshidai@163.com or via WhatsApp at +86 13675967789.

What is the typical lead time for in-stock items?

Because the warehouse keeps sufficient stock of mainstream models of IGBT modules and industrial fuses, fast delivery is possible for urgent customer orders. Exact lead time depends on the specific part number and quantity, so it is best to confirm availability at the time of inquiry. To move forward, download the product brochure or send an inquiry to the contact above.

Conclusion

Choosing an IGBT module becomes manageable when you break it down into voltage class, current rating, package type, thermal design and switching frequency. The same logic applies across the wider power module family: MOSFETs for high-frequency switching, thyristors for very high current, diodes and bridge rectifiers for conversion, and industrial fuses for protection.

What truly reduces risk at the awareness and research stage is not a single datasheet but a supplier that can answer technical questions, offer alternatives when a part is obsolete, and maintain stock for urgent orders. Jiangsu core diamond times Electronic Technology Co., Ltd. has built its operation around power electronic components, with 5 technical support engineers, a 10,000 m² facility, an annual output of 1,000,000 units, and a 50% export ratio serving the EU, USA, Australia and the Middle East.

If you are comparing IGBT modules or need help matching a module to your project, the next step is a conversation — not a purchase order.