BC53PASX Equivalent & Substitute Parts

Part Overview

The BC53PASX is an active production PNP bipolar junction transistor manufactured by Nexperia USA Inc. in a 3-UDFN Exposed Pad surface mount package. This device is specified for 80 V collector-emitter breakdown voltage with 1 A maximum collector current and 420 mW power dissipation capability. The BC53PASX operates at a transition frequency of 145 MHz and is rated for junction temperatures up to 150°C. Substitute parts are identified to provide equivalent electrical and mechanical performance for applications requiring component interchangeability or inventory optimization.

Key Parameters

Parameter	Value	Unit
Transistor Type	PNP	—
Collector Current (Max)	1	A
Collector-Emitter Breakdown Voltage (Max)	80	V
Vce Saturation (Max)	500	mV @ 50mA, 500mA
Collector Cutoff Current (Max)	100	nA
DC Current Gain (hFE Min)	63	@ 150mA, 2V
Power Dissipation (Max)	420	mW
Transition Frequency	145	MHz
Operating Temperature (Max)	150	°C
Package Type	3-UDFN Exposed Pad	DFN2020D-3
Mounting Type	Surface Mount	—
Packaging Format	Tape & Reel	—

Substitute Part Grouping Explanation

Substitute parts for the BC53PASX are identified based on parametric equivalence across all critical electrical and mechanical specifications. The substitution logic is based on the following key parameters:

Transistor Type: PNP configuration
Collector Current Rating: 1 A maximum
Collector-Emitter Breakdown Voltage: 80 V maximum
Vce Saturation Characteristics: 500 mV @ 50mA, 500mA
DC Current Gain (hFE): 63 minimum @ 150mA, 2V
Power Dissipation: 420 mW maximum
Transition Frequency: 145 MHz
Package: 3-UDFN Exposed Pad (DFN2020D-3)
Mounting: Surface Mount, Tape & Reel

All substitute parts maintain identical electrical performance specifications and physical package dimensions, enabling direct replacement in circuit applications without design modification.

Parameter Comparison

Parameter	BC53PASX	BC53-10PASX	BC53-16PASX
Manufacturer	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.
Transistor Type	PNP	PNP	PNP
Collector Current (Max)	1 A	1 A	1 A
Collector-Emitter Breakdown Voltage (Max)	80 V	80 V	80 V
Vce Saturation (Max)	500 mV @ 50mA, 500mA	500 mV @ 50mA, 500mA	500 mV @ 50mA, 500mA
Collector Cutoff Current (Max)	100 nA	100 nA	100 nA
DC Current Gain (hFE Min)	63 @ 150mA, 2V	63 @ 150mA, 2V	63 @ 150mA, 2V
Power Dissipation (Max)	420 mW	420 mW	420 mW
Transition Frequency	145 MHz	145 MHz	145 MHz
Operating Temperature (Max)	150°C	150°C	150°C
Package / Case	3-UDFN Exposed Pad	3-UDFN Exposed Pad	3-UDFN Exposed Pad
Supplier Device Package	DFN2020D-3	DFN2020D-3	DFN2020D-3
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Packaging Format	Tape & Reel	Tape & Reel	Tape & Reel
Product Status	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

All three parts—BC53PASX, BC53-10PASX, and BC53-16PASX—are active production devices from Nexperia USA Inc. with identical electrical specifications and physical packaging. Selection among these parts is based on availability and supply chain requirements rather than technical performance differentiation.

All parts maintain ROHS3 compliance and REACH unaffected status, meeting regulatory requirements for industrial and commercial applications. Moisture sensitivity level 1 (unlimited) indicates no special storage or handling precautions are required.

The parts are functionally interchangeable in all circuit applications where the BC53PASX is specified. Direct substitution is supported without circuit redesign or performance degradation.

Frequently Asked Questions (FAQ)

Q: Can BC53-10PASX and BC53-16PASX be used interchangeably with BC53PASX?

A: Yes. All three parts are parametrically equivalent across all electrical and mechanical specifications. They share identical collector current ratings, breakdown voltages, saturation characteristics, current gain, power dissipation, frequency response, and package dimensions. Direct substitution is supported.

Q: Are there any package or mounting differences between these parts?

A: No. All three parts use the 3-UDFN Exposed Pad package (DFN2020D-3) with surface mount configuration and Tape & Reel packaging format. Physical footprints and PCB assembly requirements are identical.

Q: What is the significance of the part number suffixes (-10, -16)?

A: The suffixes indicate internal manufacturing or date code variations within the BC53 base product family. These variations do not affect electrical performance or parametric specifications.

Q: Are all three parts RoHS and REACH compliant?

A: Yes. BC53PASX, BC53-10PASX, and BC53-16PASX are all ROHS3 compliant and REACH unaffected, meeting regulatory requirements for restricted substance use.

Q: What is the moisture sensitivity level for these parts?

A: All three parts have Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture control or baking procedures are required during storage or handling.

Q: Can these parts be used in high-frequency applications?

A: Yes. With a transition frequency of 145 MHz, all three parts support high-frequency switching and amplification applications within this bandwidth specification.

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