CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

TVS Diodes

PRODUCT DATASHEET

ChipNobo MPN

SMDA03NB

GLOBAL BRAND CROSS-REFERENCE

Microsemi Corporation

TVS DIODE 3.3VWM 9VC 8SOIC

SMDA03

  • High-reliability design
  • Long-term stable supply
  • RoHS compliant
TVS DIODE 3.3VWM 9VC 8SOIC

1. PRODUCT POSITIONING

SMDA03NB is a product identity corresponding to the reference product SMDA03. 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 Microsemi Corporation SMDA03 ChipNobo SMDA03NB Match
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) ✓
Applications General Purpose General Purpose ✓
Operating Temperature -55°C ~ 150°C (TJ) -55°C ~ 150°C (TJ) ✓
Supplier Device Package 8-SOIC 8-SOIC ✓
Type Zener Zener ✓
Power Line Protection No No ✓
Unidirectional Channels 4 4 ✓
Power - Peak Pulse 300W 300W ✓
Current - Peak Pulse (10/1000µs) 5A (8/20µs) 5A (8/20µs) ✓
Voltage - Reverse Standoff (Typ) 3.3V 3.3V ✓
Voltage - Breakdown (Min) 4V 4V ✓
Voltage - Clamping (Max) @ Ipp 9V 9V ✓
Capacitance @ Frequency 600pF @ 1MHz 600pF @ 1MHz ✓
RoHS Status RoHS non-compliant RoHS non-compliant ✓
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited) ✓

CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

TVS Diodes

PRODUCT DATASHEET

3. SUPPLY & LIFECYCLE
ChipNobo Number SMDA03NB
Lifecycle status Active
NRND No
EOL No
PCN monitor No
Last buy date No Deadline
Alternate availability Sufficient
4. APPLICATION AREAS
Vehicle Communication Network (CAN/CAN FD/LIN) ADAS Camera System
Radar System AI Server
Data Center Switch PLC Controller
Industrial Robot Semiconductor Equipment
5G Base Station Network Switch
Smartphone USB-C Fast Charging

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 SMDA03NB.

Important Notice & Disclaimer

Document ID: 【CN-DATA-SMDA03NB】 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.