NB18VB

GLOBAL BRAND CROSS-REFERENCE

onsemi

DIODE ZENER 17.3V 500MW SOD80

FLZ18VB

High-reliability design
Long-term stable supply
RoHS compliant

DIODE ZENER 17.3V 500MW SOD80

1. PRODUCT POSITIONING

NB18VB is a product identity corresponding to the reference product FLZ18VB. 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	onsemi FLZ18VB	ChipNobo NB18VB	Match
Part Status	Active	Active	✓
Mounting Type	Surface Mount	Surface Mount	✓
Power - Max	500 mW	500 mW	✓
Operating Temperature	-65°C ~ 175°C	-65°C ~ 175°C	✓
Tolerance	±3%	±3%	✓
Voltage - Forward (Vf) (Max) @ If	1.2 V @ 200 mA	1.2 V @ 200 mA	✓
Package / Case	DO-213AC MINI-MELF SOD-80	DO-213AC MINI-MELF SOD-80	✓
Supplier Device Package	SOD-80	SOD-80	✓
Impedance (Max) (Zzt)	19.4 Ohms	19.4 Ohms	✓
Current - Reverse Leakage @ Vr	133 nA @ 13 V	133 nA @ 13 V	✓
Voltage - Zener (Nom) (Vz)	17.3 V	17.3 V	✓
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	✓

3. SUPPLY & LIFECYCLE
ChipNobo Number	NB18VB
Lifecycle status	Active
NRND	No
EOL	No
PCN monitor	No
Last buy date	No Deadline
Alternate availability	Sufficient

CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

Single Zener Diodes

PRODUCT DATASHEET

4. APPLICATION AREAS
Battery Management System (BMS)	Vehicle Communication Network (CAN/CAN FD/LIN)
ADAS Camera System	Server PSU
VRM Module	PLC Controller
Industrial Robot	Semiconductor Equipment
5G Base Station	Network Switch
Smartphone	USB-C PD Charger

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.

Document purpose: Product Information / Replacement Reference · Generated from the product data supplied for NB18VB.

Important Notice & Disclaimer

Document ID: 【CN-DATA-NB18VB】 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.