CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

Logic Output Optoisolators

PRODUCT DATASHEET

ChipNobo MPN

NB0721

GLOBAL BRAND CROSS-REFERENCE

onsemi

OPTOISO 3.75KV PUSH PULL 8-SOIC

FOD0721

  • High-reliability design
  • Long-term stable supply
  • RoHS compliant
OPTOISO 3.75KV PUSH PULL 8-SOIC

1. PRODUCT POSITIONING

NB0721 is a product identity corresponding to the reference product FOD0721. 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 FOD0721 ChipNobo NB0721 Match
Number of Channels 1 1 ✓
Inputs - Side 1/Side 2 1/0 1/0 ✓
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V ✓
Part Status Active Active ✓
Mounting Type Surface Mount Surface Mount ✓
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width) ✓
Input Type Logic Logic ✓
Output Type Push-Pull, Totem Pole Push-Pull, Totem Pole ✓
Operating Temperature -40°C ~ 100°C -40°C ~ 100°C ✓
Supplier Device Package 8-SOIC 8-SOIC ✓
Current - Output / Channel 10 mA 10 mA ✓
Voltage - Isolation 3750Vrms 3750Vrms ✓
Propagation Delay tpLH / tpHL (Max) 40ns, 40ns 40ns, 40ns ✓
Common Mode Transient Immunity (Min) 20kV/µs 20kV/µs ✓
Data Rate 25Mbps 25Mbps ✓
Rise / Fall Time (Typ) 5ns, 4.5ns 5ns, 4.5ns ✓
RoHS Status ROHS3 Compliant ROHS3 Compliant ✓
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited) ✓

CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

Logic Output Optoisolators

PRODUCT DATASHEET

3. SUPPLY & LIFECYCLE
ChipNobo Number NB0721
Lifecycle status Active
NRND No
EOL No
PCN monitor No
Last buy date No Deadline
Alternate availability Sufficient
4. APPLICATION AREAS
PLC Controller Motion Controller
Industrial Robot Semiconductor Equipment
Industrial Ethernet 5G Base Station
Telecom Power System Solar Inverter
Industrial UPS EV Charging Station
Railway Traction System Aerospace Electronics

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 NB0721.

Important Notice & Disclaimer

Document ID: 【CN-DATA-NB0721】 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.