BCP52-16 PNP Bipolar Transistor Equivalent & Substitute Parts

Part Overview

The BCP52-16 is a PNP bipolar junction transistor manufactured by STMicroelectronics, rated for 60 V collector-emitter breakdown voltage and 1 A maximum collector current in a surface mount SOT-223 package. This component is classified as obsolete, necessitating identification of active equivalent and substitute parts for ongoing design requirements and production continuity. The BCP52-16 operates at a maximum junction temperature of 150°C with a transition frequency of 50 MHz and maximum power dissipation of 1.4 W.

Key Parameters

Parameter	Value	Unit
Transistor Type	PNP	—
Collector Current (Ic) Maximum	1	A
Collector-Emitter Breakdown Voltage (Max)	60	V
Vce Saturation (Max)	500 mV @ 50 mA, 500 mA	—
Collector Cutoff Current (ICBO)	100	nA
DC Current Gain (hFE) Minimum	100 @ 150 mA, 2 V	—
Power Dissipation Maximum	1.4	W
Transition Frequency	50	MHz
Operating Temperature (Junction)	150	°C
Mounting Type	Surface Mount	—
Package	SOT-223	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the BCP52-16 is determined by strict equivalence across the following critical parameters:

Primary Substitution Criteria:

Transistor type: PNP
Collector current rating: 1 A minimum
Collector-emitter breakdown voltage: 60 V minimum
Vce saturation characteristics: 500 mV @ 50 mA, 500 mA
Collector cutoff current: 100 nA maximum
DC current gain (hFE): 100 minimum @ 150 mA, 2 V
Package type: SOT-223 surface mount
RoHS3 compliance
MSL rating: 1 (Unlimited)

Direct Substitutes meet all primary criteria and are functionally interchangeable with the BCP52-16. These parts maintain identical electrical specifications and package requirements.

Similar Parts share the same transistor type, package, and mounting technology but differ in one or more electrical parameters (voltage rating, current gain, power dissipation, or frequency response). Similar parts are suitable only when application requirements permit deviation from the original specification.

Parameter Comparison

Part Number	Manufacturer	Product Status	Ic (Max) A	Vce Breakdown (Max) V	hFE (Min) @ 150mA, 2V	Power (Max) W	Frequency (Transition) MHz	Package	Grade
BCP52-16	STMicroelectronics	Obsolete	1	60	100	1.4	50	SOT-223	—
BCP52-16,115	Nexperia USA Inc.	Active	1	60	100	1	145	SOT-223	Automotive
BCP5216H6327XTSA1	Infineon Technologies	Last Time Buy	1	60	100	2	125	SOT-223	—
BCP5216TA	Diodes Incorporated	Active	1	60	100	2	150	SOT-223	—
BCP51,115	Nexperia USA Inc.	Active	1	45	63	1	145	SOT-223	Automotive
BCP51-10,135	Nexperia USA Inc.	Active	1	45	63	1	145	SOT-223	Automotive
BCP51-16,115	Nexperia USA Inc.	Active	1	45	100	1	145	SOT-223	Automotive
BCP51-16,135	Nexperia USA Inc.	Active	1	45	100	1	145	SOT-223	Automotive
BCP52,135	Nexperia USA Inc.	Active	1	60	63	1	145	SOT-223	Automotive
BCP52-10,135	Nexperia USA Inc.	Active	1	60	63	1.3	145	SOT-223	Automotive
BCP52TA	Diodes Incorporated	Active	1	60	40	2	125	SOT-223	—

Engineering Selection Recommendations

Direct Substitutes (Recommended for Replacement):

The following parts are direct functional equivalents of the BCP52-16 and maintain all critical electrical and mechanical specifications:

BCP52-16,115 (Nexperia USA Inc., Active): Identical electrical specifications with higher transition frequency (145 MHz vs. 50 MHz). Automotive grade with AEC-Q100 qualification. Packaging: Tape & Reel. Recommended for new designs and production continuity.
BCP5216TA (Diodes Incorporated, Active): Meets all primary substitution criteria with enhanced power dissipation (2 W vs. 1.4 W) and higher transition frequency (150 MHz). Extended operating temperature range (−65°C to 150°C). Packaging: Tape & Reel. Suitable for applications requiring higher frequency performance.
BCP5216H6327XTSA1 (Infineon Technologies, Last Time Buy): Equivalent specifications with 2 W power rating and 125 MHz transition frequency. Status indicates limited availability; suitable for current production only.

Similar Parts (Conditional Substitution):

The following parts share the same package and mounting technology but differ in voltage rating or current gain. These are suitable only when application requirements permit operation at reduced voltage ratings:

BCP51-16,115 and BCP51-16,135 (Nexperia USA Inc., Active): Rated for 45 V collector-emitter breakdown (vs. 60 V). Maintain 100 hFE minimum and 1 A collector current. Automotive grade with AEC-Q100 qualification. Suitable for applications with maximum operating voltage of 45 V or lower.
BCP51,115 and BCP51-10,135 (Nexperia USA Inc., Active): Rated for 45 V with reduced DC current gain (63 hFE minimum vs. 100). Automotive grade. Suitable only for applications tolerating lower voltage and current gain specifications.
BCP52,135 and BCP52-10,135 (Nexperia USA Inc., Active): Maintain 60 V rating but with reduced DC current gain (63 hFE minimum vs. 100). Automotive grade. Suitable for applications where current gain reduction is acceptable.
BCP52TA (Diodes Incorporated, Active): Maintains 60 V rating with significantly reduced DC current gain (40 hFE minimum). Enhanced power dissipation (2 W) and higher transition frequency (125 MHz). Suitable only for applications with relaxed current gain requirements.

Frequently Asked Questions (FAQ)

Q: Can BCP52-16,115 be used as a direct replacement for BCP52-16?

A: Yes. BCP52-16,115 meets all primary substitution criteria: 1 A collector current, 60 V breakdown voltage, 100 hFE minimum, and SOT-223 package. The higher transition frequency (145 MHz vs. 50 MHz) provides improved performance margin. Automotive qualification (AEC-Q100) adds reliability certification.

Q: What is the difference between BCP52-16 and BCP51-16,115?

A: The primary difference is the collector-emitter breakdown voltage rating: BCP52-16 is rated for 60 V, while BCP51-16,115 is rated for 45 V. Both maintain 1 A collector current and 100 hFE minimum. BCP51-16,115 is suitable only for applications with maximum operating voltage of 45 V or lower.

Q: Why does BCP52TA have a lower hFE (40 minimum) than BCP52-16 (100 minimum)?

A: DC current gain (hFE) is a transistor characteristic that varies by design and manufacturing process. BCP52TA is designed with lower current gain but compensates with higher power dissipation (2 W vs. 1.4 W) and higher transition frequency (125 MHz). Selection depends on application requirements for current gain and frequency response.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All parts listed in this reference maintain RoHS3 compliance and MSL rating of 1 (Unlimited), matching the original BCP52-16 environmental and handling specifications.

Q: What is the significance of "Last Time Buy" status for BCP5216H6327XTSA1?

A: Last Time Buy status indicates that the manufacturer has announced end-of-life for this part. Existing inventory may be available, but no future production is planned. For new designs, BCP52-16,115 or BCP5216TA are recommended as active alternatives.

Q: Can BCP52-16 be replaced with BCP52TA in all applications?

A: BCP52TA is suitable only for applications where the reduced DC current gain (40 hFE minimum vs. 100 hFE) is acceptable. The higher power dissipation (2 W) and transition frequency (125 MHz) provide performance advantages in high-frequency switching applications. Circuit design verification is required to confirm compatibility with the lower current gain specification.

Q: What packaging options are available for direct substitutes?

A: BCP52-16,115 is supplied in Tape & Reel (TR) packaging. BCP5216TA is supplied in Tape & Reel (TR) packaging. Both maintain the SOT-223 surface mount package format. Verify packaging requirements for your production process before component selection.

Q: Are automotive-grade substitutes required for all applications?

A: Automotive-grade parts (AEC-Q100 qualified) such as BCP52-16,115 provide additional reliability certification suitable for automotive and high-reliability applications. Non-automotive parts such as BCP5216TA are suitable for general industrial and consumer applications. Selection depends on application requirements and quality standards.

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