DCX52-16-13 Equivalent & Substitute Parts

Part Overview

The DCX52-16-13 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 -55°C to 150°C. This part is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and ongoing production requirements.

Key Parameters

Parameter	Value	Unit
Transistor Type	PNP	—
Collector Current (Max)	1	A
Collector-Emitter Breakdown Voltage (Max)	60	V
Vce Saturation (Max)	500	mV @ 50mA, 500mA
Collector Cutoff Current (Max)	100	nA
DC Current Gain (hFE Min)	100	@ 150mA, 2V
Power Dissipation (Max)	1	W
Transition Frequency	200	MHz
Operating Temperature Range	-55 to 150	°C
Package Type	SOT-89-3	Surface Mount
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the DCX52-16-13 is determined by strict equivalence of electrical and mechanical parameters. The primary substitution criteria are:

Critical Parameters for Direct Substitution:

Transistor polarity (PNP)
Collector current rating (1 A minimum)
Collector-emitter breakdown voltage (60 V minimum)
Vce saturation characteristics (500 mV @ 50mA, 500mA)
Collector cutoff current (100 nA maximum)
DC current gain (100 minimum @ 150mA, 2V)
Package type (SOT-89-3 or equivalent TO-243AA)
Surface mount mounting type

Secondary Parameters Affecting Compatibility:

Power dissipation rating (1 W or higher)
Transition frequency (200 MHz or higher acceptable for most applications)
Operating temperature range (must encompass application requirements)
Product status (active parts preferred for new designs)

Substitute parts are grouped into two categories: direct electrical equivalents with identical or superior ratings, and functional alternatives with modified specifications that remain within acceptable operating parameters.

Parameter Comparison

Parameter	DCX52-16-13	BCX5216TA	BCX5316TA	BCX52-16,115	2SB1122T-TD-E	2STF2360	BCX51-16,115	BCX52,115	BCX52-10,115	BCX52-16,135	BCX52-TP
Manufacturer	Diodes Inc.	Diodes Inc.	Diodes Inc.	Nexperia	onsemi	STMicroelectronics	Nexperia	Nexperia	Nexperia	Nexperia	Micro Commercial
Transistor Type	PNP	PNP	PNP	PNP	PNP	PNP	PNP	PNP	PNP	PNP	PNP
Ic (Max) [A]	1	1	1	1	1	3	1	1	1	1	1
Vce Breakdown (Max) [V]	60	60	80	60	50	60	45	60	60	60	60
Vce Saturation (Max) [mV]	500	500	500	500	500	500	500	500	500	500	500
Icbo (Max) [nA]	100	100	100	100	100	100	100	100	100	100	100
hFE (Min) @ Ic, Vce	100 @ 150mA, 2V	100 @ 150mA, 2V	100 @ 150mA, 2V	100 @ 150mA, 2V	100 @ 100mA, 2V	160 @ 1A, 2V	100 @ 150mA, 2V	63 @ 150mA, 2V	63 @ 150mA, 2V	100 @ 150mA, 2V	63 @ 150mA, 2V
Power (Max) [W]	1	1	1	1.3	0.5	1.4	1.3	0.5	1.3	1.3	0.5
Frequency - Transition [MHz]	200	150	150	145	150	130	145	145	145	145	50
Operating Temperature [°C]	-55 to 150	-65 to 150	-65 to 150	150	150	150	150	150	150	150	-55 to 150
Package	SOT-89-3	SOT-89-3	SOT-89-3	SOT-89	PCP	SOT-89-3	SOT-89	SOT-89	SOT-89	SOT-89	SOT-89
Product Status	Obsolete	Active	Active	Active	Obsolete	Active	Active	Active	Active	Active	Active
RoHS Status	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	REACH Unaffected
Automotive Grade	—	—	—	AEC-Q100	—	—	AEC-Q100	AEC-Q100	AEC-Q100	AEC-Q100	—

Engineering Selection Recommendations

Direct Equivalents (Preferred for Replacement):

BCX5216TA and BCX52-16,135 are the primary direct substitutes for DCX52-16-13. Both maintain identical electrical specifications for collector current (1 A), collector-emitter breakdown voltage (60 V), saturation voltage, and current gain. BCX5216TA is manufactured by Diodes Incorporated with active product status. BCX52-16,135 is manufactured by Nexperia with AEC-Q100 automotive qualification and active status. Both are available in SOT-89-3 packaging and comply with ROHS3 requirements.

Functional Alternatives with Enhanced Ratings:

BCX5316TA provides increased collector-emitter breakdown voltage (80 V) while maintaining 1 A collector current and identical saturation characteristics. This part is suitable for applications requiring higher voltage margin. BCX52-10,115 and BCX52-16,115 offer increased power dissipation (1.3 W versus 1 W) with AEC-Q100 automotive qualification, providing thermal headroom for demanding applications.

Higher Current Capability:

2STF2360 manufactured by STMicroelectronics provides 3 A collector current rating with 60 V breakdown voltage, suitable for applications requiring increased current handling. This part maintains identical saturation voltage and package type but operates at lower transition frequency (130 MHz).

Limited Substitution Candidates:

BCX51-16,115 operates at reduced collector-emitter breakdown voltage (45 V) and is suitable only for applications with voltage requirements below 45 V. 2SB1122T-TD-E is classified as obsolete and provides reduced power dissipation (500 mW). BCX52-TP operates at significantly reduced transition frequency (50 MHz) and is suitable only for low-frequency applications.

Product Status Consideration:

For new designs, select from active-status parts: BCX5216TA, BCX5316TA, BCX52-16,115, 2STF2360, BCX51-16,115, BCX52,115, BCX52-10,115, BCX52-16,135, or BCX52-TP. Obsolete parts (DCX52-16-13 and 2SB1122T-TD-E) are suitable only for legacy system maintenance.

Frequently Asked Questions (FAQ)

Q: Can BCX5216TA directly replace DCX52-16-13 in existing designs?

A: Yes. BCX5216TA maintains identical electrical specifications for collector current (1 A), collector-emitter breakdown voltage (60 V), saturation voltage (500 mV), and current gain (100 minimum). Both use SOT-89-3 packaging. The primary difference is transition frequency (150 MHz versus 200 MHz), which is acceptable for most applications operating below 150 MHz.

Q: What is the difference between BCX52-16,135 and BCX5216TA?

A: Both provide identical electrical performance at 60 V, 1 A ratings. BCX52-16,135 is manufactured by Nexperia with AEC-Q100 automotive qualification, while BCX5216TA is manufactured by Diodes Incorporated without automotive qualification. BCX52-16,135 is preferred for automotive applications.

Q: Can I use BCX5316TA as a substitute?

A: Yes, with the understanding that BCX5316TA provides higher collector-emitter breakdown voltage (80 V versus 60 V). This part is suitable for applications where increased voltage margin is beneficial. All other electrical parameters remain compatible.

Q: Is 2STF2360 a suitable replacement?

A: 2STF2360 is suitable for applications requiring higher collector current (3 A capability). However, transition frequency is reduced to 130 MHz. Use this part only when increased current handling is required.

Q: Why is BCX51-16,115 listed as a substitute if it has lower voltage rating?

A: BCX51-16,115 is listed as a functional alternative for applications with collector-emitter voltage requirements of 45 V or lower. It is not suitable for circuits designed for 60 V operation.

Q: What packaging considerations apply to these substitutes?

A: All listed substitutes use SOT-89-3 or equivalent SOT-89 surface mount packaging compatible with TO-243AA footprints. Package dimensions and pin configurations are identical, allowing direct PCB substitution without layout modification.

Q: Are all substitutes RoHS compliant?

A: All listed substitutes comply with ROHS3 requirements. BCX52-TP does not list RoHS status but is marked as REACH Unaffected.

Q: Which substitute offers the best thermal performance?

A: BCX52-16,115, BCX52-10,115, and BCX52-16,135 provide maximum power dissipation of 1.3 W compared to 1 W for DCX52-16-13. 2STF2360 provides 1.4 W maximum power dissipation, offering the highest thermal capability.

Q: Can I use BCX52-TP for high-frequency applications?

A: No. BCX52-TP operates at 50 MHz transition frequency, significantly lower than DCX52-16-13 (200 MHz). Use BCX52-TP only for applications operating below 50 MHz.

Q: Are automotive-qualified alternatives available?

A: Yes. BCX52-16,115, BCX51-16,115, BCX52,115, and BCX52-10,115 are all AEC-Q100 qualified. These parts are suitable for automotive applications requiring qualification documentation.

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