FF450R12KE4 - 1200V 450A Half-Bridge IGBT Module | Infineon
MPN： FF450R12KE4 ✓ 啟用中FF450R12KE4 概覽
An IGBT (Insulated Gate Bipolar Transistor) module combines multiple insulated-gate transistors and freewheeling diodes on an isolated substrate inside a rugged industrial package. IGBT modules occupy the middle of the power semiconductor hierarchy, bridging MOSFETs (lower voltage, higher frequency) and thyristors (highest power, lowest frequency). They are the workhorse switches of motor drives, solar inverters, and UPS systems above roughly 600 V and 100 A.
Key features of the FF450R12KE4 include its 1200 V collector-emitter blocking voltage (VCES), 450 A continuous collector current rating, and the Emitter Controlled diode that reduces reverse-recovery losses and voltage overshoot during turn-on. The TRENCHSTOP IGBT4 generation delivers optimized switching behavior for frequency-controlled inverter drives, balancing conduction and switching losses.
Technically, the trench/field-stop IGBT4 cell design lowers the saturation voltage for reduced conduction loss while the field-stop layer enables a soft tail current at turn-off, minimizing EMI stress on the inverter. The module supports operating temperatures up to 150 C and carries UL/CSA certification (UL1557 E83336), simplifying end-equipment safety approval. A variant with pre-applied thermal interface material (FF450R12KE4P) and an E-conformance version (FF450R12KE4_E) are available.
Typical applications include frequency-controlled industrial inverter drives, solar string inverters, UPS power stages, welding equipment, and traction auxiliaries - anywhere a 690 V-class DC bus requires a robust half-bridge switching stage in the several-hundred-ampere class.
Design consideration: verify short-circuit withstand time, gate-drive voltage margin, and DC-link busbar layout to limit parasitic inductance, which directly affects turn-off overshoot and snubber sizing.
This page synthesizes distributor pricing, drop-in alternatives within the FF450R12 family, and practical design notes not consolidated in the manufacturer datasheet.
直接替換替代品，適用於 FF450R12KE4 — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
FF450R12KT4
✅ 直接替換📋 參考替代品（不在目錄中）
FF450R12KE3
✅ 直接替換📋 參考替代品（不在目錄中）
FF450R12KE4_E
✅ 直接替換📋 參考替代品（不在目錄中）
FF450R12ME4
✅ 直接替換📋 參考替代品（不在目錄中）
FF450R12IE4
✅ 直接替換📋 參考替代品（不在目錄中）
FS450R12KE3
✅ 直接替換📋 參考替代品（不在目錄中）
FF450R12KE4 最大額定值與電氣特性
| Configuration | Half-bridge (dual IGBT with diode) |
| Collector-Emitter Voltage (VCES) | 1200 V |
| Continuous Collector Current (IC) | 450 A |
| Technology | TRENCHSTOP IGBT4 (trench/field-stop) with Emitter Controlled diode |
| 封裝 | 62 mm EconoDUAL module |
| 安裝類型 | Chassis Mount (screw-down) |
| Maximum Operating Temperature | 150 C |
| Safety Certification | UL/CSA, UL1557 E83336 |
| RoHS 狀態 | Compliant |
| Optional Pre-Applied TIM | Available (FF450R12KE4P) |
FF450R12KE4 62 mm econodual module 腳位配置指南
FF450R12KE4（62 mm econodual module 封裝）的腳位配置。 此功率元件具有閘極、汲極與源極端子。對於非極性封裝，請參閱製造商資料表以取得確切的第 1 腳方向與佈局詳細資訊。常見應用包括電源設計、馬達驅動與負載切換。
無詳細腳位定義資料： FF450R12KE4.
請參閱 資料表 以查看完整腳位配置。
安全工作區 (DC)
典型應用
FF450R12KE4 適用於 6 應用s: Industrial Inverter Drives, Solar String Inverters, UPS Power Stages, Welding Equipment, Traction and Rail Auxiliaries, Induction Heating and Power Supplies.
Industrial Inverter Drives
The FF450R12KE4 is purpose-built for frequency-controlled inverter drives, as stated in Infineon's product description. Its 1200 V blocking voltage supports 690 V AC line applications with proper margin, and the 450 A continuous rating covers mid-to-large motor drives in the 100-200 kW class. The TRENCHSTOP IGBT4 trench/field-stop technology balances conduction and switching losses at typical drive PWM frequencies, while the Emitter Controlled diode reduces reverse-recovery overshoot during dead-time commutation. Mounted on a liquid- or air-cooled heatsink with screw terminals, the 62 mm EconoDUAL module handles high RMS phase currents up to its 150 C junction limit while UL1557 E83336 certification eases drive-level safety approval.
推薦
Solar String Inverters
Grid-tied solar string inverters operating from 800-1100 V DC strings require half-bridge switches with at least 1200 V blocking capability, which makes the FF450R12KE4 a direct fit. The Emitter Controlled diode's soft reverse recovery limits ringing across the stray inductance of the DC-link busbar, reducing EMI filter cost and turn-on losses at 8-16 kHz switching frequencies. The 450 A per-switch rating supports 100-150 kW three-phase inverter stages with the 62 mm chassis-mount baseplate spreading heat into a finned or liquid-cooled heatsink. Infineon's availability of a pre-applied thermal interface material version (FF450R12KE4P) improves thermal consistency in mass-production inverter assembly lines.
推薦
UPS Power Stages
Uninterruptible power supply inverters and rectifier stages in the 100-250 kVA class commonly use 1200 V half-bridge modules on an 800 V DC bus, a role the FF450R12KE4 fills directly. Its 450 A rating provides headroom for battery-charging current peaks and short-duration overload conditions typical of UPS transfer events. The Emitter Controlled diode improves efficiency in the rectifier boost stage where diode reverse recovery dominates losses at elevated switching frequency. The module's UL/CSA certification (UL1557 E83336) and 150 C maximum operating temperature support the continuous-duty, high-reliability requirements of data-center and industrial UPS platforms.
推薦
Welding Equipment
Industrial inverter welding power sources switch hundreds of amperes at 20-100 kHz from rectified mains, and the FF450R12KE4 serves this duty in high-power welders where its 1200 V rating tolerates 400/480 V AC three-phase inputs with a full-bridge topology. The trench/field-stop IGBT4 structure provides the rugged short-circuit behavior welders need against electrode short events, and the half-bridge configuration simplifies full-bridge or interleaved stage construction. The Emitter Controlled diode limits recovery spikes that would otherwise stress snubber components at high output current. The chassis-mount 62 mm package bolts directly to the welder's forced-air heatsink assembly for straightforward thermal integration.
推薦
Traction and Rail Auxiliaries
Rail vehicle auxiliary converters (HVAC compressors, battery chargers, auxiliary inverters) run from 750 V DC to 1500 V DC traction buses and typically derate to 1200 V-class switching devices; the FF450R12KE4 fits these auxiliary stages where its 450 A rating covers compressor and blower motor drives. The module's industrial qualification and UL/CSA certification provide a documentation baseline for rail approval packages, and the 62 mm EconoDUAL footprint is widely used across the traction supplier ecosystem, easing second-source logistics. Infineon's digchips-listed description highlights suitability for 'superior solution for frequency controlled inverter drives', the same topology used in traction auxiliaries with vibration-rated screw mounting.
推薦
Induction Heating and Power Supplies
Medium-frequency induction heating systems and high-power DC power supplies use half-bridge or full-bridge IGBT stages resonant at 10-50 kHz, where the FF450R12KE4's balanced E4 switching characteristics minimize total device loss. Its 1200 V rating accommodates 560-660 V DC link rails derived from three-phase rectification, and the 450 A current capability supports kilowatt-to-tens-of-kilowatts induction coils for melting, forging, and heat-treatment equipment. The Emitter Controlled diode keeps reverse-recovery charge low under the zero-voltage/zero-current switching transitions typical of resonant tanks. The robust 62 mm chassis-mount baseplate tolerates the thermally cyclic duty profiles of industrial heating equipment.
推薦
推薦產品摘要
工程參考資料，適用於 FF450R12KE4 — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | FF450R12KT4 | FF450R12KE3 | FF450R12ME4 | FS450R12KE3 |
|---|---|---|---|---|---|
| Package | 62 mm EconoDUAL module | 62 mm EconoDUAL module - same | 62 mm EconoDUAL module - same | 62 mm EconoDUAL module - same | 62 mm module - same footprint |
| Brand | Infineon | Infineon | Infineon | Infineon | ABB |
| Voltage Rating (VCES) | 1200 V | 1200 V | 1200 V | 1200 V | 1200 V |
| Continuous Current (IC) | 450 A | 450 A | 450 A | 600 A | 450 A |
| IGBT Technology Generation | IGBT4 (E4, trench/field-stop) | IGBT4 (T4) | IGBT3 | IGBT4 (M-series) | IGBT3-class |
| Configuration | Half-bridge with Emitter Controlled diode | Half-bridge (dual) | Half-bridge (dual) | Half-bridge (dual) | Half-bridge (dual) |
主要差異化特點
- Fourth-generation IGBT4 losses (對比FF450R12KE3)
- Emitter Controlled diode reduces overshoot (對比FS450R12KE3)
- Right-sized current rating avoids overpaying (對比FF450R12ME4)
設計說明
Estimated: at a 50% duty, 300 A RMS load and an assumed VCE(sat) near 1.8 V, each IGBT dissipates roughly 300 A x 1.8 V = 540 W conduction loss plus switching losses. Mount the 62 mm EconoDUAL baseplate on a heatsink maintaining junction below 150 C (use 125 C design limit for lifetime margin). Apply thermal interface material evenly - or specify the FF450R12KE4P pre-applied-TIM variant - and tighten mounting screws to the datasheet torque in cross pattern.
Minimize the DC-link commutation loop between DC+ and DC- terminals: laminated busbars with overlapping positive/negative planes reduce stray inductance and therefore turn-off overshoot on the 1200 V module. Keep gate-driver loops short, route each gate-emitter pair as a twisted pair or adjacent traces, and place the desat/short-circuit sensing close to the auxiliary emitter pins. Verify overshoot at maximum load current stays below VCES with margin.
Do not exceed the 1200 V VCES rating - account for DC-link surge and regenerative pump-up during deceleration. Do not run the module without a verified gate-emitter clamp near 0 V when unpowered, since dv/dt on the collector can inject charge and partially turn the device on. When substituting a KE3 with a KE4, review dead-time and gate resistor values because switching-energy curves differ between generations.
合規資訊
UL/CSA certified per UL1557 E83336 per datasheet listing. RoHS status from Infineon product listing; other compliance fields not stated in provided data.
