CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

Bipolar Transistor Arrays

PRODUCT DATASHEET

ChipNobo MPN

NB4494D BK

GLOBAL BRAND CROSS-REFERENCE

Central Semiconductor Corp

TRANS NPN/PNP 400V 300MA SOT-228

CYTA4494D BK

  • High-reliability design
  • Long-term stable supply
  • RoHS compliant
TRANS NPN/PNP 400V 300MA SOT-228

1. PRODUCT POSITIONING

NB4494D BK is a product identity corresponding to the reference product CYTA4494D BK. 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 Central Semiconductor Corp CYTA4494D BK ChipNobo NB4494D BK Match
Part Status Active Active ✓
Mounting Type Surface Mount Surface Mount ✓
Operating Temperature -65°C ~ 150°C (TJ) -65°C ~ 150°C (TJ) ✓
Current - Collector Cutoff (Max) 500nA 500nA ✓
DC Current Gain (hFE) (Min) @ Ic, Vce 50 @ 10mA, 10V 50 @ 10mA, 10V ✓
Power - Max 2W 2W ✓
Frequency - Transition 20MHz 20MHz ✓
Current - Collector (Ic) (Max) 300mA 300mA ✓
Voltage - Collector Emitter Breakdown (Max) 400V 400V ✓
Vce Saturation (Max) @ Ib, Ic 750mV @ 5mA, 50mA 750mV @ 5mA, 50mA ✓
Transistor Type 1 NPN, 1 PNP Complementary 1 NPN, 1 PNP Complementary ✓
Package / Case SOT-228 SOT-228 ✓
Supplier Device Package SOT-228 SOT-228 ✓
3. SUPPLY & LIFECYCLE
ChipNobo Number NB4494D BK
Lifecycle status Active
NRND No
EOL No
PCN monitor No
Last buy date No Deadline
Alternate availability Sufficient

CHIPNOBO

Semiconductor Replacement Engineering & Supply Continuity

Bipolar Transistor Arrays

PRODUCT DATASHEET

4. APPLICATION AREAS
Battery Management System (BMS) On-Board Charger (OBC)
EV DC/DC Converter ADAS Camera System
Industrial Robot Servo Motor Drive
PLC Controller Semiconductor Equipment
Solar Inverter Power Supply System
5G Base Station Smart Speaker

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 NB4494D BK.

Important Notice & Disclaimer

Document ID: 【CN-DATA-NB4494D BK】 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.