SKM75GB12T4
Compact IGBT module for servo drives and small motor drive applications...
Product Overview
Description
Compact IGBT module for servo drives and small motor drive applications
Product Series
SEMiTRANS™ 4
Primary Application
Servo Drives, Small Motor Drives up to 30kW, Power Supplies, Industrial Automation
Key Features
- High efficiency and reliability
- Optimized for industrial applications
- Comprehensive technical support
- Available from stock
Specifications
| Part Number | SKM75GB12T4 |
|---|---|
| Voltage | 1200V |
| Current | 75A |
| Package | SEMiTRANS 4 (62mm x 100mm x 17mm) |
| Vce Sat | 2.2V @ 75A, 25°C |
| EOn | 1.4mJ @ 75A, 600V |
| EOff | 1.4mJ @ 75A, 600V |
| Tj Max | 175°C |
| Stock | In Stock - 800+ units available |
| Lead Time | Same day shipping |
| Long Description | The Semikron SKM75GB12T4 is a compact IGBT module from Semikron's SEMiTRANS 4 family, optimized for servo drives and small motor drive applications requiring fast switching and high dynamic performance. This module features IGBT4 trench gate field-stop technology with balanced conduction and switching losses, making it ideal for applications with switching frequencies up to 20kHz. Typical applications include servo drives for industrial robotics and automation equipment, small AC motor drives for pumps and fans up to 30kW, switching power supplies, and general-purpose inverters. The module provides excellent thermal performance with Rth(j-c) of 0.55 K/W for the IGBT, enabling continuous operation at 75A collector current. Key features include fast switching speeds for high dynamic response, low saturation voltage for efficient operation, high short-circuit capability for robust performance, and industry-standard SEMiTRANS 4 package footprint for design flexibility. The SKM75GB12T4 is manufactured under IATF 16949 quality standards with 100% production testing and is UL recognized for global equipment exports. |
| Features | IGBT4 trench gate field-stop technology,Fast switching for high dynamic response,Low saturation voltage (2.2V),Excellent thermal performance,High short-circuit capability (10μs),Maximum junction temperature 175°C,Industry-standard package footprint,UL recognized and RoHS compliant,IATF 16949 quality certification,Long-term availability |
| Alternatives | SKM50GB12T4 (50A version),SKM100GB12T4 (100A version),SKM75GB17T4 (1700V version) |
| Matching Products | SKHI10/12 (single-channel gate driver),SKHI22B/17 (dual-channel gate driver),Gate resistors for switching optimization |
| Technical Specs | [object Object] |
| Ordering Info | [object Object] |
| Seo Title | Semikron SKM75GB12T4 IGBT Module | 1200V 75A | Servo Drive | LiTong |
| Seo Description | SKM75GB12T4 - Semikron SEMiTRANS 4 IGBT, 1200V 75A, fast switching. For servo drives, small motors. In stock. Contact: +86 15013702378 |
| Fae Review | [object Object] |
| Alternative Parts | [object Object],[object Object],[object Object] |
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Applications
Motor Drives
Variable frequency drives and servo motor controls
Power Supplies
SMPS, UPS, and industrial power systems
Renewable Energy
Solar inverters and wind turbine converters
EV Charging
Electric vehicle charging stations
FAE Expert Insights
"SKM75GB12T4 iswe Driverand Power purpose Part Number. 75A module Speedvery , especiallysuitablerequiringhighDynamicresponse apply. in 15-30kW Driver use module, customerfeedbackperformanceverystable. Forrequiringhigh apply(15-20kHz), this module's control very good. recommend pairing with SKHI10/12 or SKYPER32PRO Driver use, can achieve property. Forcost apply, this module'sexcellent cost-performance ratio."
Driver wantselect, Speed , suitable 15-20kHz high apply, cost-performance ratiooutstanding
— 刘洋, LiTong Electronics
Frequently Asked Questions
What applications is the SKM75GB12T4 best suited for?
The SKM75GB12T4 is optimized for servo drives and small motor drive applications: Servo Drives - High-dynamic servo drives for industrial robotics, CNC machines, and automation equipment requiring fast response
Small Motor Drives - Three-phase inverters for AC motors up to 30kW, small pumps, fans, and compressors
Power Supplies - Switching power supplies and DC-DC converters requiring fast switching
Industrial Automation - Conveyor systems, packaging machinery, and material handling equipment. Key application requirements that match this module: 380-480VAC input voltage, output power 15-30kW, switching frequency 5-20kHz, continuous output current up to 50A RMS. The 1200V rating provides adequate margin for 600V DC bus applications, while the 75A rating handles peak currents during rapid acceleration.
This module is ideal for your servo drive or small motor drive application. Contact us for volume pricing and technical support.
How does the SKM75GB12T4 compare to the SKM100GB12T4?
The SKM75GB12T4 offers a cost-effective solution for lower power applications: Current Rating - 75A vs 100A continuous current, suitable for 15-30kW vs 30-45kW applications
Vce(sat) - 2.2V vs 2.1V at rated current, slightly higher conduction losses but lower cost
Switching Speed - Faster switching characteristics, better suited for high-frequency servo applications
Thermal Performance - Rth(j-c) of 0.55 K/W vs 0.42 K/W, adequate for lower power levels
Cost - Lower price point makes it attractive for cost-sensitive applications
Applications - SKM75GB12T4 for servo drives and small motors, SKM100GB12T4 for standard industrial drives. Both modules share the same SEMiTRANS 4 package footprint and pinout, allowing easy upgrade path if more power is needed later.
Choose SKM75GB12T4 for cost-sensitive servo drive applications or SKM100GB12T4 for standard industrial drives. Contact us for selection guidance.
What is the recommended gate driver for the SKM75GB12T4?
The recommended gate drivers for SKM75GB12T4 depend on application requirements: SKHI10/12 - Cost-effective single-channel driver with 10A peak output, suitable for budget-conscious servo drive designs
SKYPER32PRO - Professional dual-channel driver with 23A peak output, comprehensive protection features including desaturation detection and soft shutdown, ideal for high-reliability applications
SKHI22B/17 - Dual-channel driver with 2A output, basic protection features, lowest cost option for standard applications. For servo applications requiring fast switching (15-20kHz), we recommend SKYPER32PRO for best performance. For general-purpose inverters at lower switching frequencies, SKHI10/12 provides excellent value. All drivers feature 4000V isolation and are compatible with the SEMiTRANS 4 package.
Add the recommended gate driver to your order, or contact us for complete drive design support including PCB layout recommendations.
What cooling solutions are recommended for the SKM75GB12T4?
The SKM75GB12T4 offers flexible cooling options due to its lower power dissipation: Thermal Resistance - Rth(j-c) = 0.55 K/W for IGBT, allowing for smaller heatsinks
Natural Convection - Suitable for light loads (<40A) with moderate-sized heatsinks
Forced Air Cooling - Standard solution for most applications, use 150-200mm heatsinks with 100-200 CFM airflow for 60-75A operation
Thermal Interface - Use standard thermal grease (thermal conductivity >2 W/mK) between module and heatsink
Operating Temperature - Keep junction temperature below 125°C for long-term reliability, 150°C maximum. For a typical 22kW servo drive application at 50A RMS, a 180mm extruded aluminum heatsink with 150 CFM forced air provides adequate cooling with margin. Natural convection may be sufficient for intermittent duty cycles or lower current operation.
Review thermal specifications and contact our FAE team for heatsink selection and thermal design assistance.
Why is the SKM75GB12T4 popular for servo drive applications?
The SKM75GB12T4 is popular for servo drives due to several key advantages: Fast Switching - Optimized for high switching frequencies (up to 20kHz) required for precise servo control
Compact Size - SEMiTRANS 4 package provides high power density for space-constrained servo enclosures
High Dynamic Response - Low switching times enable rapid current control for accurate torque response
Cost-Effective - Lower current rating provides adequate power for most servo applications at competitive pricing
Proven Reliability - IGBT4 technology with extensive field experience in servo applications
Wide Availability - Stock availability ensures short lead times for production schedules. Servo drives typically operate at higher switching frequencies than standard inverters to achieve precise motor control, and the SKM75GB12T4's switching characteristics are well-suited for these requirements. The module's 75A rating handles the peak currents required for rapid acceleration and deceleration in servo applications.
This module is specifically optimized for servo drive applications. Contact us for servo system design support and volume pricing.