CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

Single FETs, MOSFETs

PRODUCT DATASHEET

ChipNobo MPN

NB4185

GLOBAL BRAND CROSS-REFERENCE

Alpha & Omega Semiconductor Inc.

MOSFET P-CH 40V 40A TO252

AOD4185

  • High-reliability design
  • Long-term stable supply
  • RoHS compliant
MOSFET P-CH 40V 40A TO252

1. PRODUCT POSITIONING

NB4185 is a product identity corresponding to the reference product AOD4185. This document presents the available product specifications, mechanical/package information and compatibility summary for engineering and procurement reference.

This document is a product information. Compatibility conclusions should be read together with the applicable Cross-Reference Identification (CID) rule, package/pin verification and engineering review record.

2. TECHNICAL SPECIFICATION COMPARISON (core parameters)
Parameter Alpha & Omega Semiconductor Inc. AOD4185 ChipNobo NB4185 Match
Part Status Active Active ✓
Mounting Type Surface Mount Surface Mount ✓
Technology MOSFET (Metal Oxide) MOSFET (Metal Oxide) ✓
Vgs (Max) ±20V ±20V ✓
Operating Temperature -55°C ~ 175°C (TJ) -55°C ~ 175°C (TJ) ✓
FET Type P-Channel P-Channel ✓
Package / Case TO-252-3 DPAK (2 Leads + Tab) SC-63 TO-252-3 DPAK (2 Leads + Tab) SC-63 ✓
Drive Voltage (Max Rds On, Min Rds On) 4.5V, 10V 4.5V, 10V ✓
Vgs(th) (Max) @ Id 3V @ 250µA 3V @ 250µA ✓
Current - Continuous Drain (Id) @ 25°C 40A (Tc) 40A (Tc) ✓
Drain to Source Voltage (Vdss) 40 V 40 V ✓
Supplier Device Package TO-252 (DPAK) TO-252 (DPAK) ✓
Gate Charge (Qg) (Max) @ Vgs 55 nC @ 10 V 55 nC @ 10 V ✓
Rds On (Max) @ Id, Vgs 15mOhm @ 20A, 10V 15mOhm @ 20A, 10V ✓
Power Dissipation (Max) 2.5W (Ta), 62.5W (Tc) 2.5W (Ta), 62.5W (Tc) ✓
Input Capacitance (Ciss) (Max) @ Vds 2550 pF @ 20 V 2550 pF @ 20 V ✓
RoHS Status ROHS3 Compliant ROHS3 Compliant ✓
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited) ✓

CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

Single FETs, MOSFETs

PRODUCT DATASHEET

3. SUPPLY & LIFECYCLE
ChipNobo Number NB4185
Lifecycle status Active
NRND No
EOL No
PCN monitor No
Last buy date No Deadline
Alternate availability Sufficient
4. APPLICATION AREAS
Electric Vehicle (EV) Battery Management System (BMS)
On-Board Charger (OBC) EV DC/DC Converter
Server PSU VRM Module
48V Power Shelf Servo Motor Drive
Industrial Robot Solar Inverter
Energy Storage System (ESS) 5G Base Station

5. ENGINEERING & COMMERCIAL NOTES

  • The ChipNobo MPN is the public product identity used by ChipNobo for this replacement reference.
  • The original manufacturer and original MPN are retained as reference identity information.
  • Product PDF data are intended for engineering, procurement and supply-continuity reference.
  • Current price, MOQ, lead time, available supply source and regional availability should be confirmed through RFQ.
  • For customer-specific qualification, PCB footprint approval, reliability requirements or design-in approval, the customer should perform the applicable validation process.

CHIPNOBO REPLACEMENT · Semiconductor Replacement Engineering & Supply Continuity Partner

Document purpose: Product Information / Replacement Reference · Generated from the product data supplied for NB4185.

Important Notice & Disclaimer

Document ID: 【CN-DATA-NB4185】 Revision: 1.0 Status: Released

The information provided by ChipNobo is intended solely for engineering evaluation, product selection, procurement, and supply continuity reference purposes. Product specifications, lifecycle status, availability, and other information are subject to change without notice. Customers should always verify relevant information against the latest official documentation published by the respective manufacturers.

Cross-reference and replacement recommendations are provided for engineering reference purposes only. They do not constitute a guarantee of pin-to-pin compatibility, interchangeability, or suitability for any particular application. Customers are responsible for conducting all necessary engineering reviews, testing, and qualification prior to product selection and use.

Manufacturer names, trademarks, and part numbers are referenced solely for product identification purposes. Their use does not imply any affiliation with, endorsement by, or authorization from the respective manufacturers, unless expressly stated otherwise.

To the maximum extent permitted by applicable law, ChipNobo makes no warranties, express or implied, regarding the completeness, accuracy, or suitability of the information provided and shall not be liable for any loss or damage arising from its use or reliance, except as otherwise expressly agreed in writing and subject to applicable law.