CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

Transistor, Photovoltaic Output Optoisolators

PRODUCT DATASHEET

ChipNobo MPN

NB618AT

GLOBAL BRAND CROSS-REFERENCE

Vishay Semiconductor Opto Division

OPTOISO 3.75KV 1CH TRANS 4-SSOP

VOS618AT

  • High-reliability design
  • Long-term stable supply
  • RoHS compliant
OPTOISO 3.75KV 1CH TRANS 4-SSOP

1. PRODUCT POSITIONING

NB618AT is a product identity corresponding to the reference product VOS618AT. 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 Vishay Semiconductor Opto Division VOS618AT ChipNobo NB618AT Match
Number of Channels 1 1 ✓
Input Type DC DC ✓
Part Status Active Active ✓
Output Type Transistor Transistor ✓
Vce Saturation (Max) 400mV 400mV ✓
Mounting Type Surface Mount Surface Mount ✓
Current - DC Forward (If) (Max) 50 mA 50 mA ✓
Current - Output / Channel 50mA 50mA ✓
Voltage - Output (Max) 80V 80V ✓
Voltage - Isolation 3750Vrms 3750Vrms ✓
Voltage - Forward (Vf) (Typ) 1.1V 1.1V ✓
Current Transfer Ratio (Min) 50% @ 1mA 50% @ 1mA ✓
Operating Temperature -55°C ~ 110°C -55°C ~ 110°C ✓
Package / Case 4-SOIC (0.173", 4.40mm Width) 4-SOIC (0.173", 4.40mm Width) ✓
Supplier Device Package 4-SSOP 4-SSOP ✓
Current Transfer Ratio (Max) 600% @ 1mA 600% @ 1mA ✓
Rise / Fall Time (Typ) 5µs, 7µs 5µs, 7µs ✓
Turn On / Turn Off Time (Typ) 5µs, 8µs 5µs, 8µs ✓
RoHS Status ROHS3 Compliant ROHS3 Compliant ✓
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited) ✓

CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

Transistor, Photovoltaic Output Optoisolators

PRODUCT DATASHEET

3. SUPPLY & LIFECYCLE
ChipNobo Number NB618AT
Lifecycle status Active
NRND No
EOL No
PCN monitor No
Last buy date No Deadline
Alternate availability Sufficient
4. APPLICATION AREAS
PLC Controller Industrial Robot
Semiconductor Equipment Industrial Ethernet
Telecom Power System Solar Inverter
Industrial UPS Power Supply System
Air Conditioner Washing Machine
Elevator Control EV Charging 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 NB618AT.

Important Notice & Disclaimer

Document ID: 【CN-DATA-NB618AT】 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.