2PC1815GR,412 Equivalent & Substitute Parts

Part Overview

The 2PC1815GR,412 is an NPN bipolar junction transistor manufactured by NXP USA Inc., designed for general-purpose switching and amplification applications. This device features a 50 V collector-emitter breakdown voltage, 150 mA maximum collector current, and 500 mW power dissipation in a through-hole TO-92-3 package. The part is currently obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. Suitable alternatives must maintain electrical compatibility within the specified voltage, current, and frequency parameters while accommodating different package options and performance characteristics.

Key Parameters

Parameter	2PC1815GR,412
Transistor Type	NPN
Voltage - Collector Emitter Breakdown (Max)	50 V
Current - Collector (Ic) (Max)	150 mA
Power - Max	500 mW
Frequency - Transition	80 MHz
DC Current Gain (hFE) (Min)	200 @ 2mA, 6V
Vce Saturation (Max)	300mV @ 10mA, 100mA
Mounting Type	Through Hole
Package / Case	TO-92-3
Part Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the 2PC1815GR,412 is determined by the following electrical and mechanical parameters:

Electrical Compatibility Criteria:

Transistor type must be NPN
Collector-emitter breakdown voltage must be greater than or equal to 50 V
Maximum collector current must be greater than or equal to 150 mA
Transition frequency must be greater than or equal to 80 MHz
Power dissipation must be greater than or equal to 500 mW
DC current gain characteristics must support the intended application

Mechanical Compatibility Criteria:

Mounting type (through hole or surface mount)
Package configuration (TO-92-3 for direct pin compatibility, or alternative packages for circuit board redesign)

The identified substitutes meet or exceed these parameters while offering improved specifications or active product status. The 2N6428 PBFREE provides higher current capability and power rating in a through-hole package. The BCX19,215 offers significantly higher current handling and automotive-grade qualification in a surface-mount package, requiring circuit board layout modification.

Parameter Comparison

Parameter	2PC1815GR,412	2N6428 PBFREE	BCX19,215
Manufacturer	NXP USA Inc.	Central Semiconductor Corp	Nexperia USA Inc.
Transistor Type	NPN	NPN	NPN
Voltage - Collector Emitter Breakdown (Max)	50 V	50 V	45 V
Current - Collector (Ic) (Max)	150 mA	200 mA	500 mA
Power - Max	500 mW	1.5 W	250 mW
Frequency - Transition	80 MHz	100 MHz	100 MHz
DC Current Gain (hFE) (Min)	200 @ 2mA, 6V	250 @ 10mA, 5V	100 @ 100mA, 1V
Vce Saturation (Max)	300mV @ 10mA, 100mA	600mV @ 5mA, 100mA	620mV @ 50mA, 500mA
Operating Temperature (Max)	150°C	150°C	150°C
Mounting Type	Through Hole	Through Hole	Surface Mount
Package / Case	TO-92-3	TO-92-3	TO-236AB (SOT-23-3)
Product Status	Obsolete	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

2N6428 PBFREE (Central Semiconductor Corp)

This substitute is recommended for direct through-hole replacement applications. The 2N6428 PBFREE maintains the same 50 V breakdown voltage and TO-92-3 package configuration as the 2PC1815GR,412, enabling pin-compatible substitution without circuit board modification. The part offers enhanced specifications with 200 mA maximum collector current (33% higher than the original) and 1.5 W power dissipation (3× the original rating). The active product status ensures long-term availability. ROHS3 compliance and EAR99 export classification match the original part. This substitute is suitable for applications where the original 150 mA current requirement can accommodate the higher-rated device.

BCX19,215 (Nexperia USA Inc.)

This substitute is recommended for new designs or applications requiring circuit board redesign. The BCX19,215 provides significantly enhanced current handling capability at 500 mA maximum collector current and automotive-grade qualification (AEC-Q101). The surface-mount TO-236AB package requires PCB layout modification but offers space efficiency and improved thermal characteristics for high-volume production. The 45 V breakdown voltage is 10% lower than the original specification and must be verified against circuit requirements. The active product status and automotive qualification provide long-term supply assurance and enhanced reliability for demanding applications. ROHS3 compliance and EAR99 export classification are maintained.

Frequently Asked Questions (FAQ)

Q: Can the 2N6428 PBFREE be used as a direct replacement for the 2PC1815GR,412?

A: Yes. The 2N6428 PBFREE maintains identical TO-92-3 through-hole package configuration and 50 V breakdown voltage. Pin compatibility is preserved, allowing direct substitution without circuit board modification. The higher current and power ratings ensure the substitute will not limit circuit performance.

Q: What is the primary difference between the 2N6428 PBFREE and BCX19,215 substitutes?

A: The 2N6428 PBFREE is a through-hole device in TO-92-3 package, enabling direct pin-compatible replacement. The BCX19,215 is a surface-mount device in TO-236AB (SOT-23-3) package, requiring circuit board redesign. The BCX19,215 offers higher current capability (500 mA) and automotive qualification but operates at 45 V breakdown voltage versus 50 V for the original and 2N6428 PBFREE.

Q: Is the BCX19,215 suitable for all applications using the 2PC1815GR,412?

A: The BCX19,215 is electrically compatible for applications operating below 45 V. Circuits designed for the full 50 V rating of the original part require verification that the 45 V breakdown voltage of the BCX19,215 is acceptable. The surface-mount package requires circuit board modification and is not suitable for through-hole socket applications.

Q: What compliance certifications are maintained across all three parts?

A: All three parts (2PC1815GR,412, 2N6428 PBFREE, and BCX19,215) are ROHS3 compliant, REACH unaffected, and classified as EAR99 for export purposes. The BCX19,215 additionally carries AEC-Q101 automotive qualification.

Q: Why is the 2PC1815GR,412 marked as obsolete?

A: The 2PC1815GR,412 is obsolete and no longer manufactured by NXP USA Inc. The identified substitutes provide equivalent or enhanced functionality with active product status, ensuring continued availability for production and maintenance applications.

Q: Are there any thermal or frequency performance differences between the substitutes?

A: The 2N6428 PBFREE and BCX19,215 both feature 100 MHz transition frequency, compared to 80 MHz for the original part, providing improved high-frequency performance. The BCX19,215 surface-mount package typically offers superior thermal characteristics due to reduced lead inductance and improved PCB thermal coupling, though the 250 mW power rating is lower than the original 500 mW specification.

Q: What packaging format is available for each substitute?

A: The 2PC1815GR,412 is supplied in tube packaging. The 2N6428 PBFREE is available in bulk packaging. The BCX19,215 is available in cut tape and Digi-Reel® packaging formats suitable for automated assembly processes.

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