DSA7102S0L Equivalent & Substitute Parts

Part Overview

The DSA7102S0L is a PNP bipolar junction transistor manufactured by Panasonic Electronic Components, rated for 80 V collector-emitter breakdown voltage and 1 A maximum collector current. This device is designed for surface mount applications in the MiniP3-F2-B package and operates at a maximum junction temperature of 150°C. The part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active product lines to maintain design continuity and ensure supply chain availability.

Key Parameters

Parameter	Value	Unit
Transistor Type	PNP	—
Voltage - Collector Emitter Breakdown (Max)	80	V
Current - Collector (Ic) (Max)	1	A
Vce Saturation (Max) @ Ib, Ic	300mV @ 50mA, 500mA	—
Current - Collector Cutoff (Max)	100nA	—
DC Current Gain (hFE) (Min) @ Ic, Vce	170 @ 100mA, 2V	—
Power - Max	1	W
Frequency - Transition	150	MHz
Operating Temperature (TJ)	150	°C
Mounting Type	Surface Mount	—
Package / Case	TO-243AA	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the DSA7102S0L is determined by strict electrical and mechanical compatibility across the following critical parameters:

Electrical Compatibility Criteria:

Transistor type must be PNP
Collector-emitter breakdown voltage must be 80 V or greater
Maximum collector current must be 1 A or greater
Vce saturation characteristics must support the application's switching requirements
Collector cutoff current must not exceed 100nA
Operating temperature range must include 150°C junction temperature
RoHS3 compliance required

Mechanical Compatibility Criteria:

Package classification must be TO-243AA
Surface mount mounting type required
Moisture sensitivity level must be 1 (Unlimited)

All substitute parts listed meet these criteria and are drawn from active product lines or have defined product status. Substitutes are grouped by manufacturer and specific part number variant to facilitate direct component selection.

Parameter Comparison

Parameter	DSA7102S0L (Panasonic)	2SAR554P5T100 (Rohm)	2SAR554PHZGT100 (Rohm)	BCX53,146 (Nexperia)	BCX53-16,115 (Nexperia)	BCX5310H6327XTSA1 (Infineon)
Transistor Type	PNP	PNP	PNP	PNP	PNP	PNP
Voltage - Collector Emitter Breakdown (Max)	80 V	80 V	80 V	80 V	80 V	80 V
Current - Collector (Ic) (Max)	1 A	1.5 A	1.5 A	1 A	1 A	1 A
Vce Saturation (Max) @ Ib, Ic	300mV @ 50mA, 500mA	400mV @ 25mA, 500mA	400mV @ 25mA, 500mA	500mV @ 50mA, 500mA	500mV @ 50mA, 500mA	500mV @ 50mA, 500mA
Current - Collector Cutoff (Max)	100nA	1µA	1µA	100nA	100nA	100nA
DC Current Gain (hFE) (Min) @ Ic, Vce	170 @ 100mA, 2V	120 @ 100mA, 3V	120 @ 100mA, 3V	63 @ 150mA, 2V	100 @ 150mA, 2V	63 @ 150mA, 2V
Power - Max	1 W	500 mW	500 mW	1.3 W	1.3 W	2 W
Frequency - Transition	150 MHz	340 MHz	340 MHz	145 MHz	145 MHz	125 MHz
Operating Temperature (TJ)	150°C	150°C	150°C	150°C	150°C	150°C
Package / Case	TO-243AA	TO-243AA	TO-243AA	TO-243AA	TO-243AA	TO-243AA
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Discontinued at DiGi Electronics	Active	Active	Active	Active	Last Time Buy

Engineering Selection Recommendations

Rohm Semiconductor 2SAR554P5T100 and 2SAR554PHZGT100: Both Rohm devices are active products with ROHS3 compliance and MSL 1 rating. The 2SAR554PHZGT100 carries automotive qualification (AEC-Q101) and is supplied in Tape & Reel packaging. The 2SAR554P5T100 is supplied in Cut Tape & Digi-Reel format. Both devices exceed the DSA7102S0L collector current specification at 1.5 A and provide higher transition frequency (340 MHz). Vce saturation is slightly elevated at 400mV compared to the original 300mV specification. Collector cutoff current is 1µA, which exceeds the original 100nA specification. These devices are suitable for applications where the higher collector current rating and transition frequency provide design margin.

Nexperia USA Inc. BCX53,146 and BCX53-16,115: Both Nexperia devices are active products with automotive qualification (AEC-Q100), ROHS3 compliance, and MSL 1 rating. The BCX53-16,115 offers significantly higher inventory availability (1,000,200 units) compared to BCX53,146 (661 units). Both devices match the DSA7102S0L collector current specification at 1 A and provide equivalent voltage rating. Vce saturation is 500mV, higher than the original specification. Collector cutoff current matches at 100nA. Transition frequency is comparable at 145 MHz. Power dissipation capability is 1.3 W, exceeding the original 1 W specification. DC current gain varies between the two variants (63 vs. 100 @ 150mA, 2V).

Infineon Technologies BCX5310H6327XTSA1: This device carries Last Time Buy status with automotive qualification (AEC-Q101), ROHS3 compliance, and MSL 1 rating. It matches the DSA7102S0L collector current specification at 1 A and voltage rating at 80 V. Vce saturation is 500mV. Collector cutoff current matches at 100nA. Transition frequency is 125 MHz, slightly lower than the original 150 MHz. Power dissipation capability is 2 W, exceeding the original specification. Last Time Buy status indicates limited future availability; this device is suitable for applications where extended product life is not required.

For new designs requiring long-term supply continuity, the Nexperia BCX53-16,115 is recommended due to active product status and high inventory availability. For automotive applications requiring specific qualification, both the Rohm 2SAR554PHZGT100 (AEC-Q101) and Nexperia BCX53,146 or BCX53-16,115 (AEC-Q100) are qualified options.

Frequently Asked Questions (FAQ)

Q: Can the 2SAR554P5T100 or 2SAR554PHZGT100 directly replace the DSA7102S0L?

A: Both Rohm devices are electrically compatible substitutes. They share the same 80 V collector-emitter breakdown voltage, TO-243AA package classification, and surface mount mounting type. The 2SAR554 series provides higher collector current capability (1.5 A vs. 1 A) and faster transition frequency (340 MHz vs. 150 MHz). Vce saturation is slightly higher at 400mV compared to the original 300mV specification. Collector cutoff current is 1µA versus the original 100nA. These differences are within acceptable substitution parameters for most applications. The 2SAR554PHZGT100 includes automotive qualification (AEC-Q101).

Q: What is the difference between BCX53,146 and BCX53-16,115?

A: Both are Nexperia PNP transistors with identical electrical specifications: 80 V breakdown voltage, 1 A collector current, 145 MHz transition frequency, and 1.3 W power dissipation. Both carry AEC-Q100 automotive qualification. The primary differences are packaging format (Tape & Reel vs. Cut Tape & Digi-Reel) and inventory availability. The BCX53-16,115 has significantly higher stock levels (1,000,200 units vs. 661 units). DC current gain specifications differ slightly (100 @ 150mA, 2V for BCX53-16,115 vs. 63 @ 150mA, 2V for BCX53,146).

Q: Why does the BCX5310H6327XTSA1 have Last Time Buy status?

A: Last Time Buy status indicates that the manufacturer has announced end-of-life for this product. Existing inventory is available for purchase, but no future production is planned. This device is suitable for applications where immediate replacement is needed but long-term supply continuity is not required. For new designs, active product alternatives such as the Nexperia BCX53 series or Rohm 2SAR554 series are recommended.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed—2SAR554P5T100, 2SAR554PHZGT100, BCX53,146, BCX53-16,115, and BCX5310H6327XTSA1—are ROHS3 compliant. The original DSA7102S0L is also ROHS3 compliant. All devices have Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture handling requirements.

Q: Can I use a substitute with higher power dissipation rating?

A: Yes. The BCX53 series (1.3 W) and BCX5310H6327XTSA1 (2 W) both exceed the original DSA7102S0L power rating of 1 W. Higher power dissipation capability provides additional thermal margin and does not create compatibility issues. The application circuit determines actual power dissipation; the higher rating simply indicates greater thermal capability.

Q: What is the significance of the different Vce saturation values?

A: Vce saturation affects switching speed and power loss in the transistor. The DSA7102S0L specifies 300mV @ 50mA, 500mA, while the Rohm 2SAR554 series specifies 400mV @ 25mA, 500mA, and the Nexperia and Infineon devices specify 500mV @ 50mA, 500mA. Higher saturation voltage results in slightly increased power dissipation during saturation. For most switching applications, these differences are negligible. Applications with tight power budgets should evaluate saturation characteristics against circuit requirements.

Q: Are automotive-qualified variants required for my application?

A: Automotive qualification (AEC-Q100 or AEC-Q101) is required only for applications in automotive environments or where automotive-grade reliability standards are specified. The 2SAR554PHZGT100 carries AEC-Q101 qualification. The BCX53,146 and BCX53-16,115 carry AEC-Q100 qualification. The BCX5310H6327XTSA1 carries AEC-Q101 qualification. Non-automotive applications can use any of the listed substitutes.

Q: What packaging options are available for the substitute parts?

A: All substitute parts use the TO-243AA package classification for surface mount applications. Specific supplier device packages vary: 2SAR554P5T100 uses MPT3, 2SAR554PHZGT100 uses SOT-89, BCX53,146 uses SOT-89, BCX53-16,115 uses SOT-89, and BCX5310H6327XTSA1 uses PG-SOT89. These are all compatible with the original MiniP3-F2-B package footprint. Verify PCB layout compatibility with the specific supplier device package before final design release.

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