KSC2883YTF Equivalent & Substitute Parts

Part Overview

The KSC2883YTF is an NPN bipolar junction transistor manufactured by onsemi, designed for general-purpose switching and amplification applications. This device features a maximum collector current of 1.5 A, collector-emitter breakdown voltage of 30 V, and a maximum power dissipation of 1 W in a surface mount SOT-89-3 package.

The KSC2883YTF is classified as obsolete. Identifying equivalent and substitute parts is necessary to support ongoing production requirements, maintenance operations, and design continuity for applications currently utilizing this component.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Current - Collector (Ic) (Max)	1.5	A
Voltage - Collector Emitter Breakdown (Max)	30	V
Power - Max	1	W
Frequency - Transition	120	MHz
Operating Temperature (TJ)	150	°C
Mounting Type	Surface Mount	—
Package / Case	TO-243AA	—
Supplier Device Package	SOT-89-3	—

Substitute Part Grouping Explanation

Substitution of the KSC2883YTF is determined by the following critical parameters:

Electrical Compatibility Requirements:

Transistor type must be NPN
Collector-emitter breakdown voltage (VCEO) must be equal to or greater than 30 V
Maximum collector current (Ic) must be equal to or greater than 1.5 A
Maximum power dissipation must be equal to or greater than 1 W
Transition frequency must be equal to or greater than 120 MHz

Mechanical Compatibility Requirements:

Mounting type must be surface mount
Package must be TO-243AA or equivalent footprint (SOT-89 family)

The PBSS303NX,115 meets all electrical and mechanical compatibility criteria. This device exceeds the minimum specifications of the KSC2883YTF across all key parameters while maintaining identical package footprint compatibility.

Parameter Comparison

Parameter	KSC2883YTF (onsemi)	PBSS303NX,115 (Nexperia USA Inc.)	Unit
Transistor Type	NPN	NPN	—
Current - Collector (Ic) (Max)	1.5	5.1	A
Voltage - Collector Emitter Breakdown (Max)	30	30	V
Current - Collector Cutoff (Max)	100	100	nA
Power - Max	1	2.1	W
Frequency - Transition	120	130	MHz
Operating Temperature (TJ)	150	150	°C
Mounting Type	Surface Mount	Surface Mount	—
Package / Case	TO-243AA	TO-243AA	—
Supplier Device Package	SOT-89-3	SOT-89	—
Product Status	Obsolete	Active	—

Engineering Selection Recommendations

The PBSS303NX,115 is a direct substitute for the KSC2883YTF based on the following factors:

Electrical Performance: The PBSS303NX,115 exceeds all minimum electrical specifications of the KSC2883YTF. Maximum collector current is increased from 1.5 A to 5.1 A, maximum power dissipation is increased from 1 W to 2.1 W, and transition frequency is increased from 120 MHz to 130 MHz. The collector-emitter breakdown voltage remains at 30 V, and cutoff current specifications are identical.

Package Compatibility: Both devices utilize the TO-243AA package footprint in SOT-89 configuration, ensuring direct mechanical compatibility on existing printed circuit boards without layout modifications.

Product Status and Compliance: The PBSS303NX,115 is classified as active product status, ensuring continued availability and supply chain support. The device carries AEC-Q100 automotive qualification and ROHS3 compliance certification. Both devices are REACH unaffected and carry identical ECCN and HTSUS classifications.

Moisture Sensitivity: Both devices have MSL rating of 1 (Unlimited), indicating identical moisture handling requirements.

Frequently Asked Questions (FAQ)

Q: Can the PBSS303NX,115 be used as a direct replacement for the KSC2883YTF in existing designs?

A: Yes. The PBSS303NX,115 meets or exceeds all electrical specifications of the KSC2883YTF and shares identical package footprint (TO-243AA / SOT-89). No circuit modifications or board layout changes are required for substitution.

Q: What are the key differences between these two transistors?

A: The PBSS303NX,115 provides higher performance specifications: maximum collector current of 5.1 A versus 1.5 A, maximum power dissipation of 2.1 W versus 1 W, and transition frequency of 130 MHz versus 120 MHz. The PBSS303NX,115 is also an active product with automotive qualification, whereas the KSC2883YTF is obsolete.

Q: Are there any thermal or electrical derating considerations when substituting the PBSS303NX,115?

A: Both devices share identical maximum operating junction temperature of 150°C. The PBSS303NX,115 has higher power dissipation capability (2.1 W versus 1 W), which may reduce thermal stress in applications operating near the KSC2883YTF limits. Thermal design should be verified based on specific application requirements.

Q: Does the PBSS303NX,115 require different handling or storage procedures?

A: No. Both devices have identical moisture sensitivity level (MSL 1 - Unlimited), indicating identical moisture handling and storage requirements.

Q: Is the PBSS303NX,115 available in the same packaging format?

A: Yes. Both devices are supplied in surface mount SOT-89 package configuration. The PBSS303NX,115 is available in Tape & Reel (TR) packaging format, which is standard for production environments.

Q: What compliance certifications does the PBSS303NX,115 carry?

A: The PBSS303NX,115 carries AEC-Q100 automotive qualification and ROHS3 compliance certification. Both devices are REACH unaffected and share identical ECCN (EAR99) and HTSUS (8541.29.0075) classifications.

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