KSD1616A-Y-AP Equivalent & Substitute Parts

Part Overview

The KSD1616A-Y-AP is a Bipolar (BJT) NPN transistor manufactured by Micro Commercial Co, rated for 60V collector-emitter breakdown voltage and 1A maximum collector current. This component is designed for through-hole mounting in the TO-92 package configuration and operates across a temperature range of -55°C to 150°C.

The KSD1616A-Y-AP is classified as obsolete. Locating direct replacements from active product lines is necessary to ensure long-term supply chain continuity and access to current manufacturing batches with updated compliance certifications.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Current - Collector (Ic) Max	1	A
Voltage - Collector Emitter Breakdown (Max)	60	V
Vce Saturation (Max)	300 mV @ 50mA, 1A	—
Current - Collector Cutoff (Max)	100	nA
DC Current Gain (hFE) Min	135 @ 100mA, 2V	—
Power - Max	750	mW
Frequency - Transition	160	MHz
Operating Temperature Range	-55 to 150	°C
Mounting Type	Through Hole	—
Package / Case	TO-92-3	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the KSD1616A-Y-AP is determined by electrical and mechanical parameter equivalence across the following criteria:

Electrical Parameters (Critical for Functional Equivalence):

Transistor type classification (NPN)
Maximum collector current rating (1 A)
Maximum collector-emitter breakdown voltage (60 V)
Saturation voltage characteristics (300 mV @ 50mA, 1A)
Collector cutoff current (100 nA)
DC current gain minimum specification (135 @ 100mA, 2V)
Maximum power dissipation (750 mW)
Transition frequency (160 MHz)

Mechanical Parameters (Critical for Physical Compatibility):

Package type (TO-92-3)
Mounting configuration (Through Hole)
Lead formation (Formed Leads)

Environmental and Compliance Parameters:

Operating temperature range capability
RoHS3 compliance status

The KSD1616AYTA manufactured by onsemi meets all electrical and mechanical parameter requirements for direct substitution with the KSD1616A-Y-AP.

Parameter Comparison

Parameter	KSD1616A-Y-AP (Micro Commercial Co)	KSD1616AYTA (onsemi)	Match
Transistor Type	NPN	NPN	✓
Current - Collector (Ic) Max	1 A	1 A	✓
Voltage - Collector Emitter Breakdown (Max)	60 V	60 V	✓
Vce Saturation (Max)	300 mV @ 50mA, 1A	300 mV @ 50mA, 1A	✓
Current - Collector Cutoff (Max)	100 nA	100 nA	✓
DC Current Gain (hFE) Min	135 @ 100mA, 2V	135 @ 100mA, 2V	✓
Power - Max	750 mW	750 mW	✓
Frequency - Transition	160 MHz	160 MHz	✓
Operating Temperature (Max)	150°C	150°C	✓
Mounting Type	Through Hole	Through Hole	✓
Package / Case	TO-92-3	TO-92-3	✓
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	✓

Engineering Selection Recommendations

The KSD1616AYTA manufactured by onsemi is a direct electrical and mechanical equivalent to the KSD1616A-Y-AP. Selection between these parts is determined by product availability and supply chain requirements.

KSD1616A-Y-AP (Micro Commercial Co): Classified as obsolete. Suitable for applications where existing inventory must be maintained or where legacy documentation references this specific part number. Limited to available stock.

KSD1616AYTA (onsemi): Classified as active product status. Recommended for new designs and applications requiring ongoing supply chain access. Meets all electrical specifications and compliance requirements of the original part. Available in higher inventory quantities with current manufacturing support.

Both parts carry ROHS3 compliance certification and are suitable for applications requiring environmental regulatory adherence. Selection should prioritize the active product line (KSD1616AYTA) for designs requiring long-term component availability and manufacturing continuity.

Frequently Asked Questions (FAQ)

Q: Can the KSD1616AYTA directly replace the KSD1616A-Y-AP in existing circuit designs?

A: Yes. The KSD1616AYTA meets all electrical and mechanical parameter specifications of the KSD1616A-Y-AP. No circuit modifications are required for direct substitution. Both parts are rated for identical collector current (1 A), breakdown voltage (60 V), saturation voltage (300 mV), and transition frequency (160 MHz).

Q: Are there package compatibility concerns between these parts?

A: No. Both the KSD1616A-Y-AP and KSD1616AYTA use the TO-92-3 package with formed leads for through-hole mounting. Pin configuration and physical dimensions are identical, allowing direct board-level substitution without PCB redesign.

Q: What is the significance of the product status difference between these parts?

A: The KSD1616A-Y-AP is classified as obsolete, indicating discontinued manufacturing and limited stock availability. The KSD1616AYTA is classified as active, indicating current production and ongoing supply chain support. For applications requiring component replenishment beyond current inventory, the active product (KSD1616AYTA) ensures long-term availability.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the KSD1616A-Y-AP and KSD1616AYTA are ROHS3 compliant. The KSD1616AYTA additionally carries REACH Unaffected status. Both parts are classified under ECCN EAR99 and HTSUS 8541.21.0075.

Q: Are there differences in operating temperature ranges?

A: The KSD1616A-Y-AP operates from -55°C to 150°C. The KSD1616AYTA maximum operating temperature is specified as 150°C. For applications requiring operation below 0°C, verify the KSD1616AYTA minimum operating temperature specification with the manufacturer datasheet.

Q: What packaging format differences exist between these parts?

A: The KSD1616A-Y-AP is supplied in standard packaging format. The KSD1616AYTA is supplied in Cut Tape (CT) format. Both contain identical components; packaging format affects only handling and automated assembly compatibility, not electrical performance.

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