CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

JFETs

PRODUCT DATASHEET

ChipNobo MPN

NB2N4858UB/TR

GLOBAL BRAND CROSS-REFERENCE

Microchip Technology

JFET N-CH 40V UB

MQ2N4858UB/TR

  • High-reliability design
  • Long-term stable supply
  • RoHS compliant
JFET N-CH 40V UB

1. PRODUCT POSITIONING

NB2N4858UB/TR is a product identity corresponding to the reference product MQ2N4858UB/TR. 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 Microchip Technology MQ2N4858UB/TR ChipNobo NB2N4858UB/TR Match
Part Status Active Active ✓
Mounting Type Surface Mount Surface Mount ✓
FET Type N-Channel N-Channel ✓
Power - Max 360 mW 360 mW ✓
Operating Temperature -65°C ~ 200°C (TJ) -65°C ~ 200°C (TJ) ✓
Drain to Source Voltage (Vdss) 40 V 40 V ✓
Package / Case 3-SMD, No Lead 3-SMD, No Lead ✓
Resistance - RDS(On) 60 Ohms 60 Ohms ✓
Voltage - Breakdown (V(BR)GSS) 40 V 40 V ✓
Current - Drain (Idss) @ Vds (Vgs=0) 8 mA @ 15 V 8 mA @ 15 V ✓
Input Capacitance (Ciss) (Max) @ Vds 18pF @ 10V 18pF @ 10V ✓
Supplier Device Package UB UB ✓
Voltage - Cutoff (VGS off) @ Id 800 mV @ 500 pA 800 mV @ 500 pA ✓
3. SUPPLY & LIFECYCLE
ChipNobo Number NB2N4858UB/TR
Lifecycle status Active
NRND No
EOL No
PCN monitor No
Last buy date No Deadline
Alternate availability Sufficient

CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

JFETs

PRODUCT DATASHEET

4. APPLICATION AREAS
Medical Monitoring Equipment Laboratory Equipment
Portable Medical Device Semiconductor Equipment
Industrial Computer 5G Base Station
Wireless Gateway Data Communication Equipment
Data Center Switch TWS Earbuds
Smart Speaker VR/AR Device

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 NB2N4858UB/TR.

Important Notice & Disclaimer

Document ID: 【CN-DATA-NB2N4858UB/TR】 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.