BCX52TA Equivalent & Substitute Parts

Part Overview

The BCX52TA is a PNP bipolar junction transistor manufactured by Diodes Incorporated, rated for 60 V collector-emitter breakdown voltage and 1 A maximum collector current. The device is housed in a SOT-89-3 surface mount package and operates across a temperature range of -65°C to 150°C. The BCX52TA is classified as an active product with ROHS3 compliance and unlimited moisture sensitivity rating.

Substitute parts are identified when design requirements permit operation within the electrical and mechanical parameters of alternative devices. Substitution becomes necessary due to component availability, supply chain constraints, or design flexibility within specified operating conditions.

Key Parameters

Parameter	BCX52TA Value	Unit
Transistor Type	PNP	—
Current - Collector (Ic) Max	1	A
Voltage - Collector Emitter Breakdown (Max)	60	V
Vce Saturation (Max) @ Ib, Ic	500mV @ 50mA, 500mA	—
Current - Collector Cutoff (Max)	100	nA
DC Current Gain (hFE) Min @ Ic, Vce	40 @ 150mA, 2V	—
Power - Max	1	W
Frequency - Transition	150	MHz
Operating Temperature	-65 to 150	°C
Mounting Type	Surface Mount	—
Package / Case	TO-243AA	—
Supplier Device Package	SOT-89-3	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the BCX52TA are grouped based on electrical parameter compatibility within the following criteria:

Primary Substitution Criteria:

Transistor Type: PNP
Collector Current Rating: Equal to or greater than 1 A
Collector-Emitter Breakdown Voltage: Equal to or greater than 60 V
Vce Saturation: 500 mV maximum at specified base and collector currents
Collector Cutoff Current: 100 nA maximum
Package Type: Surface mount SOT-89 or equivalent TO-243AA
RoHS Compliance: ROHS3 Compliant
Moisture Sensitivity: MSL 1 (Unlimited)

Substitution Groups:

Group 1: Direct Electrical Equivalents (60 V, 1 A) Parts meeting all primary criteria with identical voltage and current ratings: BCX52,115; BCX52-10,115; BCX52-16,115; BCX52-16,135; BSR30,115

Group 2: Enhanced Current Capability (60 V, Higher Current) Parts exceeding collector current specification while maintaining 60 V rating: 2STF2360 (3 A rated)

Group 3: Reduced Voltage Rating (45 V, 1 A) Parts with lower collector-emitter breakdown voltage but matching current: BCX51,115; BCX51-10,115

Group 4: Last Time Buy Status (60 V, 1 A) Parts with active substitution status but discontinued production: BCX5216H6327XTSA1; BCX52H6327XTSA1

Parameter Comparison

Part Number	Manufacturer	Ic (Max) A	Vce(br) V	hFE Min @ Ic, Vce	Power Max W	Freq MHz	Package	Status
BCX52TA	Diodes Inc.	1	60	40 @ 150mA, 2V	1	150	SOT-89-3	Active
2STF2360	STMicroelectronics	3	60	160 @ 1A, 2V	1.4	130	SOT-89-3	Active
BCX51,115	Nexperia USA Inc.	1	45	63 @ 150mA, 2V	1.3	145	SOT-89	Active
BCX51-10,115	Nexperia USA Inc.	1	45	63 @ 150mA, 2V	1.3	145	SOT-89	Active
BCX52,115	Nexperia USA Inc.	1	60	63 @ 150mA, 2V	0.5	145	SOT-89	Active
BCX52-10,115	Nexperia USA Inc.	1	60	63 @ 150mA, 2V	1.3	145	SOT-89	Active
BCX52-16,115	Nexperia USA Inc.	1	60	100 @ 150mA, 2V	1.3	145	SOT-89	Active
BCX52-16,135	Nexperia USA Inc.	1	60	100 @ 150mA, 2V	1.3	145	SOT-89	Active
BCX5216H6327XTSA1	Infineon Technologies	1	60	100 @ 150mA, 2V	2	125	PG-SOT89	Last Time Buy
BCX52H6327XTSA1	Infineon Technologies	1	60	40 @ 150mA, 2V	2	125	PG-SOT89	Last Time Buy
BSR30,115	Nexperia USA Inc.	1	60	40 @ 100mA, 5V	1.35	100	SOT-89	Active

Engineering Selection Recommendations

For Direct Replacement (Active Status, Identical Specifications):

BCX52-16,115 and BCX52-16,135 (Nexperia USA Inc.) are direct substitutes with active product status. Both devices maintain the 60 V collector-emitter breakdown voltage and 1 A maximum collector current. These parts feature increased DC current gain (hFE minimum of 100 at 150 mA, 2 V) compared to the BCX52TA (40 minimum), providing improved switching characteristics. Both are AEC-Q100 qualified for automotive applications and ROHS3 compliant.

BCX52-10,115 (Nexperia USA Inc.) provides equivalent electrical performance with active status and automotive qualification. This part maintains identical voltage and current ratings with hFE minimum of 63 at 150 mA, 2 V.

For Enhanced Current Capability:

2STF2360 (STMicroelectronics) is suitable when collector current requirements exceed 1 A. This device is rated for 3 A maximum collector current while maintaining 60 V breakdown voltage. The higher DC current gain (160 minimum at 1 A, 2 V) and increased power rating (1.4 W) accommodate higher current applications. Active product status and ROHS3 compliance are confirmed.

For Reduced Voltage Applications:

BCX51,115 and BCX51-10,115 (Nexperia USA Inc.) are applicable when the circuit operates at collector-emitter voltages not exceeding 45 V. Both maintain 1 A collector current rating and feature active product status with AEC-Q100 automotive qualification. These parts are not suitable for circuits requiring the full 60 V rating of the BCX52TA.

For Discontinued Product Replacement:

BCX5216H6327XTSA1 and BCX52H6327XTSA1 (Infineon Technologies) are classified as Last Time Buy. These parts maintain 60 V and 1 A specifications but are no longer in active production. Selection of these devices is not recommended for new designs. Existing designs using these parts should transition to active alternatives such as BCX52-16,115 or BCX52-10,115.

For Lower Frequency Applications:

BSR30,115 (Nexperia USA Inc.) operates at 100 MHz transition frequency, lower than the BCX52TA (150 MHz). This part is suitable for applications where switching speed requirements are reduced. The device maintains 60 V and 1 A ratings with active status and AEC-Q100 qualification.

Frequently Asked Questions (FAQ)

Q: Can BCX52-16,115 replace BCX52TA in all applications?

A: BCX52-16,115 is electrically compatible with BCX52TA for applications operating within the specified parameters. Both devices maintain 60 V collector-emitter breakdown voltage, 1 A maximum collector current, and SOT-89 surface mount packaging. The primary difference is increased DC current gain (100 minimum versus 40 minimum), which improves switching performance. Verification of circuit design margins is required for critical applications.

Q: What is the difference between BCX52,115 and BCX52-10,115?

A: Both parts are manufactured by Nexperia USA Inc. and maintain identical electrical specifications: 60 V breakdown voltage, 1 A collector current, and SOT-89 packaging. The suffix designations (-10 and base) indicate different manufacturing or packaging variants. Both are active products with AEC-Q100 automotive qualification and ROHS3 compliance.

Q: Is 2STF2360 suitable as a direct replacement for BCX52TA?

A: 2STF2360 is electrically compatible when the circuit design permits operation with higher collector current capability (3 A rated versus 1 A). The device maintains 60 V breakdown voltage and SOT-89-3 packaging. The higher DC current gain (160 minimum) and increased power dissipation capability (1.4 W) make this part suitable for applications requiring enhanced current handling. Thermal design verification is necessary due to increased power rating.

Q: Why are BCX51 series parts listed as substitutes if they have lower voltage rating?

A: BCX51,115 and BCX51-10,115 are listed as substitutes for applications where the circuit operates at collector-emitter voltages not exceeding 45 V. These parts maintain 1 A collector current and SOT-89 packaging. Substitution is valid only when the maximum circuit voltage is confirmed below 45 V. These parts are not suitable for circuits requiring the full 60 V rating of BCX52TA.

Q: What does Last Time Buy status mean for BCX5216H6327XTSA1 and BCX52H6327XTSA1?

A: Last Time Buy status indicates that the manufacturer (Infineon Technologies) has discontinued production of these parts. Existing inventory may be available for a limited period. New designs should not incorporate these parts. Existing designs using these devices should transition to active alternatives such as BCX52-16,115 or BCX52-10,115 to ensure long-term supply availability.

Q: Are all substitute parts ROHS3 compliant?

A: All listed substitute parts are ROHS3 compliant. Compliance status is confirmed for BCX52-16,115, BCX52-16,135, BCX52-10,115, BCX52,115, BCX51,115, BCX51-10,115, 2STF2360, BSR30,115, BCX5216H6327XTSA1, and BCX52H6327XTSA1. Moisture sensitivity level is MSL 1 (Unlimited) for all active parts.

Q: Can BCX52TA be used in automotive applications?

A: BCX52TA is manufactured by Diodes Incorporated and does not carry AEC-Q100 or AEC-Q101 automotive qualification in the provided specifications. For automotive applications requiring qualified components, BCX52-16,115, BCX52-10,115, BCX51,115, BCX51-10,115, and BSR30,115 are AEC-Q100 qualified alternatives from Nexperia USA Inc.

Q: What is the significance of DC current gain (hFE) differences between substitute parts?

A: DC current gain (hFE) determines the base current required to achieve a specified collector current. BCX52TA specifies hFE minimum of 40 at 150 mA collector current and 2 V Vce. Substitute parts with higher hFE values (such as BCX52-16,115 with 100 minimum) require less base current for the same collector current, improving switching efficiency and reducing base drive power dissipation. Lower hFE values require higher base current but may provide more predictable gain characteristics in certain circuit topologies.

Q: Are there packaging differences between SOT-89 and SOT-89-3?

A: SOT-89 and SOT-89-3 are equivalent surface mount packages with identical pin configurations and mechanical dimensions (TO-243AA). The designation SOT-89-3 specifies a three-lead configuration. All listed substitute parts use SOT-89 or SOT-89-3 packaging, confirming mechanical compatibility with BCX52TA.

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