KSC2383YBU Equivalent & Substitute Parts

Part Overview

The KSC2383YBU is an NPN bipolar junction transistor manufactured by onsemi, rated for 160V collector-emitter breakdown voltage and 1A maximum collector current. This through-hole component is designed for general-purpose switching and amplification applications in the TO-92-3 package configuration. The KSC2383YBU carries an obsolete product status, making identification of equivalent and substitute parts essential for ongoing design support, maintenance, and production continuity.

Key Parameters

Parameter	Value
Transistor Type	NPN
Voltage - Collector Emitter Breakdown (Max)	160 V
Current - Collector (Ic) (Max)	1 A
Power - Max	900 mW
Frequency - Transition	100 MHz
DC Current Gain (hFE) (Min) @ Ic, Vce	160 @ 200mA, 5V
Vce Saturation (Max) @ Ib, Ic	1.5V @ 50mA, 500mA
Current - Collector Cutoff (Max)	1µA (ICBO)
Operating Temperature (TJ)	150°C
Mounting Type	Through Hole
Package / Case	TO-92-3

Substitute Part Grouping Explanation

Substitution of the KSC2383YBU is determined by electrical and mechanical parameter equivalence within the NPN bipolar transistor category. The critical parameters governing substitution are:

Transistor Type: NPN configuration
Voltage Rating: 160V collector-emitter breakdown voltage
Current Rating: 1A maximum collector current
Power Dissipation: 900 mW maximum
Frequency Response: 100 MHz transition frequency
DC Current Gain: 160 (minimum) at specified bias conditions
Saturation Characteristics: 1.5V maximum at defined collector and base currents
Package Configuration: TO-92-3 through-hole mounting

Parts meeting all these electrical specifications and physical package requirements are classified as direct substitutes. Packaging format variations (such as cut tape versus bulk) do not affect electrical equivalence but may impact procurement and handling procedures.

Parameter Comparison

Parameter	KSC2383YBU	KSC2383YTA
Manufacturer	onsemi	onsemi
Transistor Type	NPN	NPN
Voltage - Collector Emitter Breakdown (Max)	160 V	160 V
Current - Collector (Ic) (Max)	1 A	1 A
Power - Max	900 mW	900 mW
Frequency - Transition	100 MHz	100 MHz
DC Current Gain (hFE) (Min) @ Ic, Vce	160 @ 200mA, 5V	160 @ 200mA, 5V
Vce Saturation (Max) @ Ib, Ic	1.5V @ 50mA, 500mA	1.5V @ 50mA, 500mA
Current - Collector Cutoff (Max)	1µA (ICBO)	1µA (ICBO)
Operating Temperature (TJ)	150°C	150°C
Mounting Type	Through Hole	Through Hole
Package / Case	TO-92-3	TO-92-3
Base Product Number	KSC2383	KSC2383
Product Status	Obsolete	Active
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99
HTSUS	8541.21.0075	8541.21.0075

Engineering Selection Recommendations

The KSC2383YTA is a direct electrical and mechanical equivalent to the KSC2383YBU. Both parts share identical electrical specifications across all critical parameters: voltage rating, current capacity, power dissipation, frequency response, and gain characteristics. The primary distinction is product status: the KSC2383YBU is obsolete, while the KSC2383YTA maintains active production status.

For applications currently using the KSC2383YBU, the KSC2383YTA provides continuity of supply and design support. Both parts comply with REACH regulations and carry the same export classification (EAR99). The KSC2383YTA is available in cut tape packaging format, which is standard for active production components.

Selection of the KSC2383YTA over the obsolete KSC2383YBU is supported by regulatory compliance, supply chain availability, and equivalent electrical performance across all specified operating parameters.

Frequently Asked Questions (FAQ)

Q: Are the KSC2383YBU and KSC2383YTA electrically interchangeable?

A: Yes. Both parts are NPN transistors with identical electrical specifications: 160V breakdown voltage, 1A maximum collector current, 900mW power rating, 100MHz transition frequency, and matching gain and saturation characteristics. They are direct electrical equivalents.

Q: What is the difference between these two part numbers?

A: The primary difference is product status. The KSC2383YBU is obsolete, while the KSC2383YTA is in active production. Both parts meet the same electrical and mechanical specifications and share the same base product number (KSC2383).

Q: Can I use the KSC2383YTA as a replacement in existing designs using KSC2383YBU?

A: Yes. The KSC2383YTA is a direct substitute. Both parts use the TO-92-3 through-hole package and are pin-compatible. No circuit modifications are required.

Q: Are there packaging differences between these parts?

A: The KSC2383YBU and KSC2383YTA use the same TO-92-3 package configuration for mounting. The packaging format (cut tape for KSC2383YTA) affects procurement and handling but does not impact electrical performance or physical pin configuration.

Q: What compliance certifications apply to both parts?

A: Both the KSC2383YBU and KSC2383YTA are REACH Unaffected and classified under ECCN EAR99. Both carry the same HTSUS code (8541.21.0075).

Q: Why should I transition from KSC2383YBU to KSC2383YTA?

A: The KSC2383YBU is obsolete, which creates supply chain risk. The KSC2383YTA is in active production with established supply availability. Transitioning to the KSC2383YTA ensures long-term design support and component availability without any electrical or mechanical compromises.

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