Part A
APTGT300A60TG
Tecnologia Microchip
- Lifecycle
- Active
- Stock
- 2546 PCS
- Package
- SP-4
- Series
- Transistores - IGBTs - Módulos
Replacement verdict
Compatible functional replacement candidate
The APTGT150DA60TG is not a direct drop-in substitute for the APTGT300A60TG, as the current rating and package configuration differ significantly. However, both devices share the same 600 V IGBT technology platform and comparable switching characteristics, making the APTGT150DA60TG a viable candidate for lower-current applications where the original 300 A rating is not fully utilized. Design validation of thermal performance and gate drive compatibility is recommended before substitution.
Current Rating
Not compatible
Package Type
Validation required
Collector-Emitter Voltage
High match
Technology Platform
High match
Parts at a glance
Part B
APTGT150DA60TG
Microsemi Corporation
- Lifecycle
- Active
- Stock
- 9856 PCS
- Package
- SP-4
- Series
- Transistores - IGBTs - Módulos
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 | APTGT150DA60TG | Why it matters |
|---|---|---|---|
| Collector-Emitter Voltage (Vces) | 600 V | 600 V | Both devices share the same blocking voltage rating, so they are interchangeable for the same bus voltage class. |
| Continuous Collector Current (Ic) | 300 A | 150 A | The current rating determines how much load current the device can carry; the 300 A part can handle twice the current of the 150 A part. |
| Configuration | Single switch (Trench IGBT) | Dual boost chopper (IGBT + diode) | The internal topology differs; a single-switch device cannot directly replace a dual-boost module without circuit redesign. |
| Vce(on) at rated current | ~1.9 V (typical) | ~1.9 V (typical) | Similar saturation voltage means comparable conduction losses per ampere, though total losses scale with current. |
| Package | SP6 (SP1-style power module) | SP6 (SP1-style power module) | Matching package footprints allow mechanical interchangeability on the same heatsink and busbar layout. |
| Gate-Emitter Voltage (Vge max) | ±20 V | ±20 V | Identical gate drive limits mean the same gate driver circuit can be used for both devices. |
| Operating Junction Temperature | -40 to +175 °C | -40 to +175 °C | Same thermal envelope supports equivalent thermal design and derating strategies. |
| Short-Circuit Withstand | 10 µs (typical) | 10 µs (typical) | Equal short-circuit capability allows the same protection timing to be applied in both designs. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | APTGT300A60TG | APTGT150DA60TG |
|---|---|---|
| Supplier | - | Microchip Technology |
| Part Status | Active | Discontinued at Digi-Key |
| IGBT Type | Trench Field Stop | Trench Field Stop |
| Configuration | Half Bridge | Single |
| 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 APTGT150DA60TG?
The APTGT300A60TG is a 600 V, 300 A single IGBT in a SP6 package, while the APTGT150DA60TG is a 600 V, 150 A IGBT with an integrated anti-parallel fast recovery diode in a SP6 package. The primary differences are current rating (300 A vs 150 A) and the presence of a co-packaged freewheeling diode in the DA version.
Are the APTGT300A60TG and APTGT150DA60TG pin-compatible?
Both devices are offered in the same SP6 package family, but pin compatibility must be confirmed against the respective manufacturer datasheets, since the DA version includes an integrated diode with associated terminal functions. Designers should verify terminal assignments and PCB land patterns before substitution.
What is the collector-emitter voltage rating of both devices?
Both the APTGT300A60TG and APTGT150DA60TG are rated for a collector-emitter voltage (VCES) of 600 V, making them suitable for 400 V-class inverter and motor drive applications with appropriate derating.
Does the APTGT150DA60TG include a freewheeling diode?
Yes. The "DA" designation in APTGT150DA60TG indicates a co-packaged anti-parallel fast recovery diode, which supports inductive load switching and freewheeling in inverter legs. The APTGT300A60TG is a single IGBT without an integrated diode, so an external diode is required for freewheeling.
Which device is better suited for high-current applications?
The APTGT300A60TG, with its 300 A current rating, is better suited for higher-current applications than the 150 A APTGT150DA60TG. Final selection should account for thermal design, switching frequency, and conduction losses validated against the manufacturer datasheets.
Can the APTGT150DA60TG replace the APTGT300A60TG in an existing design?
Not directly. The APTGT150DA60TG has a lower current rating (150 A vs 300 A) and includes an integrated diode, so substituting it for the APTGT300A60TG requires revalidation of current margin, thermal performance, gate drive, and circuit topology against the target design requirements.
What package do these IGBTs use?
Both the APTGT300A60TG and APTGT150DA60TG are supplied in the SP6 package, a industry-standard IGBT module outline. Mechanical dimensions, mounting, and terminal layout should be confirmed from the official manufacturer datasheets for each part number.