NXP Semiconductors PHB73N06T,118
- Part No.:
- PHB73N06T,118
- Manufacturer:
- NXP Semiconductors
- Category:
- FETs, MOSFETs
- Package:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Datasheet:
-
PHB73N06T,118.pdf
- Description:
- MOSFET N-CH 60V 73A D2PAK
- Quantity:
- Payment:

- Shipping:

Inventory:4,686
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Product details
Overview
PHB73N06T from NXP Semiconductors (formerly Philips Semiconductors) is an N-channel enhancement-mode TrenchMOS™ power MOSFET in SOT404 (D2-PAK) package, rated for 60 V VDS, 73 A continuous drain current at Tmb = 25 °C, and 12 mΩ typical RDS(on) at VGS = 10 V and Tj = 25 °C. It serves as a high-current, low-loss switching element in DC-DC converters and SMPS primary-side power stages.
For engineers reviewing the PHB73N06T datasheet, PHB73N06T pinout, PHB73N06T application, or PHB73N06T equivalent, key selection criteria include its 60 V blocking voltage, 73 A thermal-limited current capability, 12 mΩ on-resistance, fast switching performance (td(on) ≤ 26 ns, tf ≤ 71 ns), and avalanche ruggedness (EAS = 125 mJ).
Technical Context
This device employs TrenchMOS™ technology to achieve low RDS(on) while maintaining robust gate oxide integrity and stable threshold voltage (VGS(th) = 2–4 V at 25 °C). Its gate charge profile-Qg(tot) = 54 nC, Qgd = 19 nC-supports efficient high-frequency hard-switching operation with moderate drive requirements.
The SOT404 package features a mounting base electrically connected to the drain, enabling direct heatsink attachment and low thermal resistance (Rth(j-mb) = 0.9 K/W). Pin 2 is internally inaccessible per datasheet, confirming a 2-terminal drain-source configuration with gate on pin 1 and source on pin 3.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDS | 60 V - Maximum DC drain-source blocking voltage; defines safe operating range in 48 V bus and offline SMPS applications. |
| ID (DC) | 73 A at Tmb = 25 °C - Continuous current rating under ideal heatsinking; derates to 52 A at Tmb = 100 °C. |
| RDS(on) | 12 mΩ typ at VGS = 10 V, ID = 25 A, Tj = 25 °C - Low conduction loss enabling <1 W dissipation at 25 A, critical for high-efficiency power stages. |
| EAS | 125 mJ - Non-repetitive avalanche energy rating; supports unclamped inductive switching stress without failure. |
| Qg(tot) | 54 nC - Total gate charge determines driver strength requirement; enables ~1 MHz switching with standard gate drivers. |
| tf | 51–71 ns - Fast fall time minimizes switching transition losses during turn-off in hard-switched topologies. |
| VGS(th) | 2–4 V at Tj = 25 °C - Standard-level gate threshold compatible with 5 V and 10 V logic-driven gate drivers. |
Pinout & Package
SOT404 (D2-PAK) plastic surface-mount package with isolated gate lead, drain-connected mounting base, and source terminal on lead 3. Pin 2 is not connected and must remain unattached per datasheet.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Gate (G) | Control terminal; requires 10 V drive for full enhancement; Qg(tot) = 54 nC dictates driver slew rate and power loss. |
| 2 | Not connected | Internally inaccessible per datasheet; no PCB trace or pad connection permitted. |
| 3 | Source (S) | Power return path; referenced to gate drive ground; carries full load current and diode reverse recovery charge. |
| Mounting base | Drain (D) | Electrically tied to drain; provides primary thermal path to heatsink; Rth(j-mb) = 0.9 K/W enables high-power operation. |
Key Features
| Feature | Design Value |
|---|---|
| TrenchMOS™ technology | Enables 12 mΩ RDS(on) at 60 V rating-lower conduction loss than planar MOSFETs of comparable voltage class. |
| Low Qgd/Qg ratio | 19/54 ≈ 0.35 - Reduces Miller effect, improving switching controllability and reducing risk of spurious turn-on in high-dv/dt environments. |
| Avalanche-rated | 125 mJ EAS - Allows reliable operation in circuits with inductive energy storage (e.g., motor drives, flyback snubbers) without external clamping. |
| Fast body diode | trr = 54 ns, Qr = 0.12 µC - Minimizes reverse recovery loss and EMI in synchronous rectification and freewheeling paths. |
| Drain-connected mounting base | Direct thermal interface to heatsink with Rth(j-mb) = 0.9 K/W - Eliminates thermal interface resistance from separate drain pad, simplifying thermal design. |
Applications
| Server VRM Power Stage | Industrial DC-DC Converter |
|---|---|
|
Use Scenario: High-current, high-efficiency 12 V input to 1 V output conversion in CPU voltage regulator modules. IC Role / Device Role / Timing Role: Synchronous rectifier switch in multiphase buck converter; operates at 300–600 kHz with forced PWM control. Use Value: 12 mΩ RDS(on) reduces conduction loss below 0.75 W at 25 A, directly improving VRM efficiency and thermal margin. |
Use Scenario: Primary-side switch in 48 V input, 12 V output isolated forward converter for factory automation controllers. IC Role / Device Role / Timing Role: Main power switch driving transformer primary; handles 73 A peak currents during duty-cycle transitions. Use Value: 125 mJ avalanche energy rating absorbs leakage inductance spikes without snubber redesign, enhancing reliability in variable-load conditions. |
| Telecom Rectifier Module | UPS Inverter Stage |
|
Use Scenario: Output rectification in 48 V telecom rectifier modules delivering up to 100 A to battery backup systems. IC Role / Device Role / Timing Role: Low-side synchronous rectifier in LLC resonant topology; commutated by precise gate timing relative to resonant current zero-crossing. Use Value: 54 ns tf and 54 ns trr minimize dead-time losses and reduce output ripple, supporting >96% system efficiency. |
Use Scenario: Half-bridge leg in online UPS inverters converting 380 V DC bus to 230 V AC output. IC Role / Device Role / Timing Role: High-current switching device handling 50–60 Hz fundamental plus harmonic content; subjected to repetitive inductive turn-off stress. Use Value: Robust 60 V VDS rating and 73 A ID support 3 kVA output with margin; mounting base-to-drain connection simplifies heatsink isolation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar N-channel power MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STP75NF75 | 75 A/75 V, RDS(on) = 10.5 mΩ, TO-220 package, higher Qg (120 nC) | Requires larger gate driver due to higher Qg; better suited for lower-frequency, higher-voltage designs where 75 V margin is needed. | Select when 75 V rating and TO-220 mechanical compatibility outweigh SOT404 thermal advantages. |
| IRF1404Z | 200 A/40 V, RDS(on) = 4.7 mΩ, TO-220, lower VDS rating | Insufficient 40 V rating for 48 V bus applications; unsuitable for SMPS primary side but viable for low-voltage synchronous rectification. | Choose only for sub-40 V systems where ultra-low RDS(on) justifies reduced voltage margin and different package footprint. |
Compared with STP75NF75 and IRF1404Z, the PHB73N06T offers optimal balance of 60 V rating, 12 mΩ on-resistance, and SOT404 thermal performance-making it uniquely suitable for compact, high-efficiency 48 V industrial and telecom power stages where board space and thermal management are constrained.
Availability
PHB73N06T is available at Aetrix Electronics and suitable for server VRMs, industrial DC-DC converters, telecom rectifiers, and UPS inverter stages requiring stable component supply and long-term manufacturability.
Supply support for PHB73N06T includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
NXP Semiconductors, formerly Philips Semiconductors, is a global semiconductor leader specializing in high-performance analog, logic, and power devices for automotive, industrial, and communications markets.
The PHB73N06T belongs to the TrenchMOS™ standard-level power MOSFET family, engineered for high-current, high-efficiency switching in 48 V and offline power supplies where low RDS(on), fast switching, and avalanche ruggedness are critical.
FAQ
What is the maximum continuous drain current rating for PHB73N06T?
The PHB73N06T has a maximum continuous drain current (ID) of 73 A at mounting base temperature (Tmb) = 25 °C and VGS = 10 V. This rating decreases to 52 A at Tmb = 100 °C per the normalized derating curve in Figure 2 of the datasheet. The actual usable current depends on heatsink performance and ambient conditions.
Is PHB73N06T pin-compatible with PHP73N06T?
No-PHB73N06T uses the SOT404 (D2-PAK) package with drain-connected mounting base, while PHP73N06T is in SOT78 (TO-220AB) with identical pin 1–3 assignment but different mechanical form factor and thermal interface. They share electrical specifications but require distinct PCB footprints and heatsink mounting solutions.
What is the gate threshold voltage range for PHB73N06T?
The PHB73N06T gate-source threshold voltage (VGS(th)) is specified from 2 V to 4 V at Tj = 25 °C and ID = 1 mA. At elevated junction temperature (175 °C), VGS(th) drops to a minimum of 1 V, which must be considered for gate drive margin in high-temperature operation.
Does PHB73N06T have avalanche capability, and how is it rated?
Yes, the PHB73N06T is rated for non-repetitive avalanche energy (EAS) of 125 mJ under defined test conditions: unclamped inductive load, IAS = 50 A, tp = 0.1 ms, VDD ≤ 25 V, RGS = 50 Ω, and VGS = 5 V, starting from Tj = 25 °C. This rating supports robustness against inductive switching transients.
What is the thermal resistance from junction to mounting base for PHB73N06T?
The PHB73N06T has a maximum thermal resistance from junction to mounting base (Rth(j-mb)) of 0.9 K/W, as specified in Table 4. This low value reflects the direct metal-to-heatsink path via the drain-connected mounting base, enabling high-power dissipation with minimal temperature rise under proper heatsinking.
PHB73N06T,118 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- TrenchMOS™
- Package/Case:
- TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- FET Type:
- N-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 60 V
- Current - Continuous Drain (Id) @ 25°C:
- 73A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- 10V
- Rds On (Max) @ Id, Vgs:
- 14mOhm @ 25A, 10V
- Vgs(th) (Max) @ Id:
- 4V @ 1mA
- Gate Charge (Qg) (Max) @ Vgs:
- 54 nC @ 10 V
- Vgs (Max):
- ±20V
- Input Capacitance (Ciss) (Max) @ Vds:
- 2464 pF @ 25 V
- FET Feature:
- -
- Power Dissipation (Max):
- 166W (Tc)
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- D2PAK
PHB73N06T,118 FAQ
1.How can I place an order for PHB73N06T,118 through Aetrix?
Please submit a Request for Quotation (RFQ) for PHB73N06T,118 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
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The price and inventory of PHB73N06T,118 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PHB73N06T,118 is usually 5 days.
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5.How can I obtain technical support or documentation for PHB73N06T,118?
For technical support, including PHB73N06T,118 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PHB73N06T,118 requirements.
6.How does Aetrix verify that PHB73N06T,118 is sourced from the original manufacturer or authorized distributors?
All PHB73N06T,118 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that PHB73N06T,118 meets industry standards.
7.What is the process for return or replacement of PHB73N06T,118?
All PHB73N06T,118 units undergo pre-shipment inspection (PSI). If there is an issue with PHB73N06T,118, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The PHB73N06T,118 part is unused and in its original packaging.
Return procedure for PHB73N06T,118:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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