2SA1015-Y-AP Equivalent & Substitute Parts

Part Overview

The 2SA1015-Y-AP is a PNP bipolar junction transistor manufactured by Micro Commercial Co, designed for general-purpose switching and amplification applications. It features a maximum collector current of 150 mA, collector-emitter breakdown voltage of 50 V, and a transition frequency of 80 MHz in a Through Hole TO-92 package. The device is currently classified as obsolete, making identification of equivalent substitute parts essential for ongoing production support and design continuity.

Substiute Parts

2SA1015-Y-AP
Micro Commercial CoIn Stock: 11712SA1015-Y-AP Datasheet
2SA1015-Y-AP
Current Part
KSA1015YTA
onsemiIn Stock: 59898KSA1015YTA Datasheet
KSA1015YTA
Parametric Equivalent

Key Parameters

Parameter Value Unit
Transistor Type PNP
Current - Collector (Ic) (Max) 150 mA
Voltage - Collector Emitter Breakdown (Max) 50 V
Vce Saturation (Max) @ Ib, Ic 300mV @ 10mA, 100mA
Current - Collector Cutoff (Max) 100 nA
DC Current Gain (hFE) (Min) @ Ic, Vce 120 @ 2mA, 6V
Power - Max 400 mW
Frequency - Transition 80 MHz
Operating Temperature Range -55 to 125 °C
Mounting Type Through Hole
Package / Case TO-92-3

Substitute Part Grouping Explanation

Substitution of the 2SA1015-Y-AP is determined by strict electrical and mechanical parameter matching within the PNP bipolar transistor category. The following parameters establish substitution eligibility:

Electrical Parameters (Must Match):

  • Transistor Type: PNP
  • Current - Collector (Ic) (Max): 150 mA
  • Voltage - Collector Emitter Breakdown (Max): 50 V
  • Vce Saturation (Max) @ Ib, Ic: 300mV @ 10mA, 100mA
  • Current - Collector Cutoff (Max): 100 nA
  • DC Current Gain (hFE) (Min) @ Ic, Vce: 120 @ 2mA, 6V
  • Power - Max: 400 mW
  • Frequency - Transition: 80 MHz

Mechanical Parameters (Must Match):

  • Mounting Type: Through Hole
  • Package / Case: TO-92-3

The KSA1015YTA manufactured by onsemi meets all specified electrical and mechanical parameters, establishing it as a parametric equivalent substitute for the obsolete 2SA1015-Y-AP.

Parameter Comparison

Parameter 2SA1015-Y-AP (Micro Commercial Co) KSA1015YTA (onsemi) Match Status
Transistor Type PNP PNP ✓ Match
Current - Collector (Ic) (Max) 150 mA 150 mA ✓ Match
Voltage - Collector Emitter Breakdown (Max) 50 V 50 V ✓ Match
Vce Saturation (Max) @ Ib, Ic 300mV @ 10mA, 100mA 300mV @ 10mA, 100mA ✓ Match
Current - Collector Cutoff (Max) 100 nA 100 nA ✓ Match
DC Current Gain (hFE) (Min) @ Ic, Vce 120 @ 2mA, 6V 120 @ 2mA, 6V ✓ Match
Power - Max 400 mW 400 mW ✓ Match
Frequency - Transition 80 MHz 80 MHz ✓ Match
Mounting Type Through Hole Through Hole ✓ Match
Package / Case TO-92-3 TO-92-3 ✓ Match
Product Status Obsolete Active Substitute is Active
RoHS Status RoHS Compliant ROHS3 Compliant ✓ Both Compliant

Engineering Selection Recommendations

The KSA1015YTA from onsemi is the direct parametric equivalent substitute for the obsolete 2SA1015-Y-AP. Selection of this substitute is based on the following engineering criteria:

Product Status: The 2SA1015-Y-AP is classified as obsolete, while the KSA1015YTA maintains active product status with current manufacturing and distribution support.

Electrical Equivalence: All critical electrical parameters are identical, including collector current rating, breakdown voltage, saturation characteristics, current gain, power dissipation, and transition frequency.

Mechanical Compatibility: Both devices utilize the TO-92-3 Through Hole package with formed leads, ensuring direct pin-compatible replacement in existing PCB designs without layout modification.

Compliance: The 2SA1015-Y-AP is RoHS Compliant. The KSA1015YTA is ROHS3 Compliant, meeting current regulatory requirements. Both devices carry EAR99 ECCN classification and identical HTSUS codes.

Availability: The KSA1015YTA is available in high volume (59,815 pieces in stock) compared to the obsolete 2SA1015-Y-AP, ensuring supply chain continuity for production requirements.

Frequently Asked Questions (FAQ)

Q: Can the KSA1015YTA be used as a direct replacement for the 2SA1015-Y-AP without circuit modification?

A: Yes. The KSA1015YTA is a parametric equivalent with identical electrical ratings and TO-92-3 package configuration. Direct substitution is possible without circuit redesign.

Q: What is the difference between the operating temperature ranges of these devices?

A: The 2SA1015-Y-AP operates from -55°C to 125°C. The KSA1015YTA maximum operating temperature is specified as 150°C. This represents an extended upper temperature limit for the substitute part, which does not restrict its use in applications designed for the original device.

Q: Are there any compliance differences between the two parts?

A: The 2SA1015-Y-AP is RoHS Compliant. The KSA1015YTA is ROHS3 Compliant, representing a more current regulatory standard. Both parts meet environmental and hazardous substance restrictions applicable to electronic components.

Q: What packaging format is the KSA1015YTA supplied in?

A: The KSA1015YTA is supplied in Cut Tape (CT) packaging, while the 2SA1015-Y-AP packaging format is not specified. Both devices are housed in the TO-92-3 Through Hole package, ensuring mechanical compatibility.

Q: Is the KSA1015YTA available in sufficient quantity for production use?

A: Yes. The KSA1015YTA has 59,815 pieces in stock, providing adequate supply for production requirements. The 2SA1015-Y-AP, being obsolete, has limited availability at 1,150 pieces.

Q: Do these transistors have identical DC current gain specifications?

A: Yes. Both the 2SA1015-Y-AP and KSA1015YTA specify a minimum DC current gain (hFE) of 120 at 2 mA collector current and 6 V collector-emitter voltage.

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