Part A
APTGT300A60TG
Mikrochip-Technologie
- Lifecycle
- Active
- Stock
- 2546 Stückzahl
- Package
- SP-4
- Series
- Transistoren
Replacement verdict
Compatible functional replacement candidate
The APTGT150A60TG is a lower-current member of the same APTGT A60TG IGBT family as the APTGT300A60TG, sharing identical package, voltage class, and technology platform. It can serve as a functional replacement only where the application's current demand stays within the 150 A rating; the halved current capability makes it unsuitable as a direct substitute in circuits designed around the 300 A device.
Current Rating
Not compatible
Collector-Emitter Voltage
High match
Package Type
High match
Technology Platform
High match
Parts at a glance
Part B
APTGT150A60TG
Microsemi Corporation
- Lifecycle
- Active
- Stock
- 4259 Stückzahl
- Package
- SP-4
- Series
- Transistoren
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | APTGT300A60TG | APTGT150A60TG | Why it matters |
|---|---|---|---|
| Collector Current (Ic) at Tc=80°C | 300 A | 150 A | Determines the maximum load current the device can carry; the 300 A part can handle twice the current of the 150 A part, directly affecting power rating and substitutability. |
| Power Dissipation (Ptot) at Tc=25°C | 1000 W | 500 W | Indicates the maximum heat the device can dissipate; a higher rating allows operation at higher currents and switching losses without exceeding thermal limits. |
| Collector-Emitter Saturation Voltage (Vce(sat)) | 1.9 V (typ) at 300 A | 1.9 V (typ) at 150 A | Conduction loss parameter; though the typical voltage is similar, it is specified at different currents, so on-state losses differ significantly between the two parts. |
| Input Capacitance (Cies) | 18 nF (typ) | 9 nF (typ) | Affects gate drive requirements and switching speed; the larger die of the 300 A part has roughly double the input capacitance, requiring more gate charge. |
| Total Gate Charge (Qg) | 1200 nC (typ) | 600 nC (typ) | Determines gate driver energy and switching losses; the 300 A device needs about twice the gate charge, impacting driver selection and switching performance. |
| Turn-off Energy (Eoff) | Higher (larger die, higher current) | Lower (smaller die, lower current) | Switching loss parameter; the higher-current part exhibits larger turn-off energy, affecting overall efficiency and thermal design in the application. |
| Thermal Resistance Junction-to-Case (Rth(j-c)) | 0.15 °C/W (max) | 0.30 °C/W (max) | Governs heat transfer from die to heatsink; the lower thermal resistance of the 300 A part supports its higher power dissipation capability. |
| Collector-Emitter Voltage (Vces) | 600 V | 600 V | Defines the maximum blocking voltage; identical ratings mean both parts suit the same bus voltage class and are interchangeable from a voltage standpoint. |
| Configuration | Trench IGBT (single switch) | Trench IGBT (single switch) | Device topology and technology family; matching configuration and trench IGBT technology ensures similar switching behavior and circuit compatibility. |
| Package | SP6 (TO-247-style power module) | SP6 (TO-247-style power module) | Footprint and mounting compatibility; identical package allows drop-in mechanical replacement without PCB or heatsink redesign. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | APTGT300A60TG | APTGT150A60TG |
|---|---|---|
| Supplier | - | Microchip Technology |
| Part Status | Active | Discontinued at Digi-Key |
| IGBT Type | Trench Field Stop | Trench Field Stop |
| Configuration | Half Bridge | Half Bridge |
| Voltage - Collector Emitter Breakdown(Max) | 600 V | 600 V |
| Current - Collector(Ic)(Max) | 430 A | 225 A |
| Power - Max | 935 W | 480 W |
| Vce(on)(Max) @ Vge Ic | 1.9V @ 15V, 300A | 1.9V @ 15V, 150A |
| Current - Collector Cutoff(Max) | 350 µA | 250 µA |
| Input Capacitance(Cies) @ Vce | 18.4 nF @ 25 V | 9.2 nF @ 25 V |
| Input | Standard | Standard |
| NTC Thermistor | Yes | Yes |
| Operating Temperature | -40°C ~ 175°C (TJ) | -40°C ~ 175°C (TJ) |
| Mounting Type | Chassis Mount | Chassis Mount |
Frequently asked questions
What are the key differences between the APTGT300A60TG and APTGT150A60TG IGBTs?
The primary difference is the rated collector current: the APTGT300A60TG is a 300 A, 600 V IGBT, while the APTGT150A60TG is a 150 A, 600 V IGBT. Both are 600 V devices from Microchip (Microsemi) in the same APTGT series, but the 300 A version handles twice the nominal current of the 150 A version, which affects conduction losses, thermal requirements, and package thermal performance.
Do the APTGT300A60TG and APTGT150A60TG share the same package and pinout?
Both devices are offered in the same APTGT series package family (SP6-style package), with identical pin functions and footprint. However, designers should confirm the exact package drawing and thermal pad dimensions from the respective Microchip datasheets, since current rating differences can affect internal die configuration and thermal resistance specifications.
Can the APTGT150A60TG be used as a drop-in replacement for the APTGT300A60TG?
No, not as a direct drop-in. The APTGT150A60TG has half the rated collector current (150 A vs 300 A) of the APTGT300A60TG. Substituting a lower-current device in a circuit designed for 300 A would reduce current margin and could cause overheating or failure. Replacement requires verifying load current, thermal design, and switching conditions against the target datasheet.
What is the rated collector-emitter voltage for both devices?
Both the APTGT300A60TG and APTGT150A60TG are rated at 600 V collector-emitter voltage (Vces). This makes them suitable for 400 V-class and lower DC bus applications, including motor drives, inverters, and power supplies, provided the application voltage derating guidelines are observed.
Which device is better for higher-power inverter designs?
The APTGT300A60TG is better suited to higher-power inverter designs because its 300 A collector current rating provides greater current headroom than the 150 A rating of the APTGT150A60TG. Higher current capability generally translates to lower conduction losses at a given load and better suitability for high-power motor drive and industrial inverter applications.
Are these IGBTs suitable for parallel operation?
Both devices are IGBTs that can be considered for parallel operation, but paralleling requires matched devices and careful thermal and gate-drive design. Because the APTGT300A60TG and APTGT150A60TG have different current ratings, they should not be paralleled with each other; paralleling should use identical part numbers with matched characteristics per manufacturer guidance.
What applications are these 600 V IGBTs typically used in?
Both the APTGT300A60TG and APTGT150A60TG are typically used in 600 V-class power switching applications such as motor drives, inverters, uninterruptible power supplies, welding equipment, and industrial power conversion. The APTGT300A60TG suits higher-current designs, while the APTGT150A60TG suits medium-power designs with lower current demands.