Renesas NP22N055SLE-E1-AZ

Overview

NP22N055SLE-E1-AZ from Renesas Electronics is an N-channel power MOSFET designed for high-current DC-DC converter primary-side switching, motor drive half-bridges, and industrial power supplies. It delivers 55 V V_DSS, 22 A I_D(DC), 37 mΩ R_DS(on)1 at V_GS = 10 V, and operates up to 175 °C channel temperature in TO-252 (JEDEC) / MP-3ZK package.

For engineers reviewing the NP22N055SLE-E1-AZ datasheet, NP22N055SLE-E1-AZ pinout, NP22N055SLE-E1-AZ application, or NP22N055SLE-E1-AZ equivalent, key selection criteria include its low R_DS(on) at 5 V gate drive, built-in gate protection diode, avalanche energy rating of 25 mJ, and thermal resistance R_th(ch-C) = 3.33 °C/W for high-power density designs.

Technical Context

This MOSFET employs a planar silicon process optimized for fast switching with low gate charge (Q_G1 = 23 nC at V_DD = 44 V), enabling efficient operation in hard-switched topologies up to several hundred kHz. Its body diode exhibits t_rr = 37 ns and Q_rr = 45 nC under specified conditions, supporting synchronous rectification and freewheeling in buck and half-bridge configurations.

The device integrates a gate-source ESD protection diode and is rated for single-pulse avalanche energy up to 25 mJ at I_AS = 14 A, with guaranteed operation across –55 °C to +175 °C channel temperature range. Its R_DS(on) remains stable over temperature, increasing only ~1.8× from 25 °C to 175 °C at V_GS = 10 V.

Key Specifications

Pinout & Package

NP22N055SLE-E1-AZ uses the TO-252 (JEDEC) / MP-3ZK surface-mount package with exposed drain pad for thermal and electrical performance. Pin 1 is Gate, Pin 2 is Drain (connected to tab), Pin 3 is Source.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar N-channel power MOSFET applications.

Compared with IRFZ44NPBF and STP55NF06L, NP22N055SLE-E1-AZ offers balanced performance: certified avalanche ruggedness for inductive loads, SMT-compatible TO-252 footprint, and verified 5 V drive capability-making it optimal for space-constrained, high-reliability industrial power stages.

Availability

NP22N055SLE-E1-AZ is available at Aetrix Electronics and suitable for industrial motor drives, DC-DC power supplies, and LED lighting systems requiring stable component supply and long-term manufacturability.

Supply support for NP22N055SLE-E1-AZ 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

Renesas Electronics Corporation is a global semiconductor leader delivering microcontrollers, analog, power, and SoC solutions for automotive, industrial, and infrastructure markets.

NP22N055SLE-E1-AZ belongs to Renesas' legacy power MOSFET product line targeting high-efficiency, high-reliability industrial switching applications with emphasis on thermal robustness and avalanche tolerance.

FAQ

What is the maximum continuous drain current rating for NP22N055SLE-E1-AZ?

The NP22N055SLE-E1-AZ has a maximum continuous drain current I_D(DC) of ±22 A at case temperature T_C = 25 °C. This rating assumes adequate heatsinking and is derated linearly above 25 °C per the datasheet's derating curve. At T_C = 100 °C, the usable I_D(DC) drops to approximately 12 A. The NP22N055SLE-E1-AZ must be operated within this thermal envelope to ensure reliability and avoid exceeding R_th(ch-C) = 3.33 °C/W limits.

Does NP22N055SLE-E1-AZ support 5 V gate drive in practical applications?

Yes, NP22N055SLE-E1-AZ is characterized for R_DS(on)2 = 45 mΩ MAX at V_GS = 5.0 V and I_D = 11 A, confirming functional enhancement-mode operation at standard logic-level voltages. Its V_GS(th) range of 1.5–2.5 V ensures turn-on well below 5 V, and the integrated gate protection diode prevents overvoltage damage. In practice, the NP22N055SLE-E1-AZ reliably switches full load current with 5 V gate drivers such as TC4427 or MIC442x series without external level shifting.

What is the significance of the "E1-AZ" suffix in NP22N055SLE-E1-AZ?

The "E1-AZ" suffix in NP22N055SLE-E1-AZ denotes the specific tape-and-reel packaging and marking configuration per Renesas' ordering system: "E1" indicates 8 mm carrier tape, 2000 pcs/reel; "AZ" specifies lead-free (Pb-free), RoHS-compliant plating and marking per JEDEC standards. This variant is fully compatible with standard SMT reflow profiles and meets environmental compliance requirements for industrial end equipment. The NP22N055SLE-E1-AZ is not a functional revision-it shares identical electrical and thermal specifications with base NP22N055SLE.

Can NP22N055SLE-E1-AZ be used in avalanche-mode operation?

Yes, NP22N055SLE-E1-AZ is explicitly rated for single-pulse avalanche operation with E_AS = 25 mJ at I_AS = 14 A and starting channel temperature of 25 °C. Test conditions specify R_G = 25 Ω and V_GS transition from 20 V to 0 V. This rating validates safe energy absorption during inductive turn-off transients-common in relay driving, solenoid control, and transformer-based power conversion. However, repetitive avalanche is not guaranteed, and the NP22N055SLE-E1-AZ should not be operated outside the Safe Operating Area (SOA) curves defined in the datasheet.

How does the thermal performance of NP22N055SLE-E1-AZ compare to TO-251 and TO-252 variants?

NP22N055SLE-E1-AZ uses the TO-252 (JEDEC) / MP-3ZK package, which provides R_th(ch-C) = 3.33 °C/W-identical to the NP22N055HLE (TO-251) and superior to the NP22N055ILE (TO-252 JEITA). The JEDEC variant features optimized copper slug geometry and solderable drain pad area, enabling more consistent thermal transfer than JEITA versions. As a result, the NP22N055SLE-E1-AZ achieves higher sustained power dissipation (45 W at T_C = 25 °C) and better thermal cycling reliability in automated SMT assembly compared to its counterparts.