| Part Number | BUK9508-55A,127 | BUK9528-55A,127 | 
|---|---|---|
| Manufacturer | NXP USA Inc. | NXP USA Inc. | 
| Category | Transistors - FETs, MOSFETs - Single | Transistors - FETs, MOSFETs - Single | 
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| Product Status | Obsolete | Obsolete | 
| FET Type | N-Channel | N-Channel | 
| Technology | MOSFET (Metal Oxide) | MOSFET (Metal Oxide) | 
| Drain to Source Voltage (Vdss) | 55 V | 55 V | 
| Current - Continuous Drain (Id) @ 25°C | 75A (Tc) | 40A (Tc) | 
| Drive Voltage (Max Rds On, Min Rds On) | 4.5V, 10V | 4.5V, 10V | 
| Rds On (Max) @ Id, Vgs | 7.5mOhm @ 25A, 10V | 28mOhm @ 20A, 5V | 
| Vgs(th) (Max) @ Id | 2V @ 1mA | 2V @ 1mA | 
| Gate Charge (Qg) (Max) @ Vgs | 92 nC @ 5 V | - | 
| Vgs (Max) | ±15V | ±10V | 
| Input Capacitance (Ciss) (Max) @ Vds | 6021 pF @ 25 V | 1700 pF @ 25 V | 
| FET Feature | - | - | 
| Power Dissipation (Max) | 253W (Tc) | 99W (Tc) | 
| Operating Temperature | -55°C ~ 175°C (TJ) | -55°C ~ 175°C (TJ) | 
| Mounting Type | Through Hole | Through Hole | 
| Supplier Device Package | TO-220AB | TO-220AB | 
| Package / Case | TO-220-3 | TO-220-3 |