DSA7102R0L Equivalent & Substitute Parts

Part Overview

The DSA7102R0L 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. The device is housed in a MiniP3-F2-B surface mount package and delivers 1 W maximum power dissipation with a transition frequency of 150 MHz. This part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active product lines that meet the same electrical and mechanical specifications.

Key Parameters

Parameter	Value	Unit
Transistor Type	PNP	—
Voltage - Collector Emitter Breakdown (Max)	80	V
Current - Collector (Ic) (Max)	1	A
Power - Max	1	W
Frequency - Transition	150	MHz
Vce Saturation (Max) @ Ib, Ic	300 mV @ 50 mA, 500 mA	—
DC Current Gain (hFE) (Min) @ Ic, Vce	120 @ 100 mA, 2 V	—
Operating Temperature (TJ)	150	°C
Mounting Type	Surface Mount	—
Package / Case	TO-243AA	—
RoHS Status	RoHS Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the DSA7102R0L is determined by strict equivalence across the following critical parameters:

Primary Equivalence Criteria:

Transistor Type: PNP
Voltage - Collector Emitter Breakdown (Max): 80 V minimum
Current - Collector (Ic) (Max): 1 A minimum
Mounting Type: Surface Mount
Package / Case: TO-243AA
Operating Temperature: 150°C (TJ) minimum

Secondary Compatibility Factors:

Vce Saturation characteristics
DC Current Gain (hFE) specifications
Frequency - Transition rating
Power dissipation capability
RoHS and MSL compliance

Substitute parts are grouped into two categories based on electrical performance and availability:

Group 1 - Direct Current & Voltage Equivalents (1 A, 80 V): BCX53,115 and BCX53-10,135 (Nexperia USA Inc.) and BSR33,115 (Nexperia USA Inc.) maintain the 1 A collector current rating and 80 V breakdown voltage specification. These parts are active products with automotive-grade qualifications (AEC-Q100).

Group 2 - Enhanced Current Rating (1.5 A, 80 V): 2SAR554P5T100 and 2SAR554PHZGT100 (Rohm Semiconductor) provide higher collector current capability (1.5 A) while maintaining the 80 V breakdown voltage. These parts offer increased design margin and are active products with automotive qualification (AEC-Q101 for the SOT-89 variant).

All substitute parts meet or exceed the electrical requirements of the DSA7102R0L and are housed in TO-243AA package variants compatible with the original footprint.

Parameter Comparison

Parameter	DSA7102R0L	2SAR554P5T100	2SAR554PHZGT100	BCX53,115	BCX53-10,135	BSR33,115
Manufacturer	Panasonic	Rohm	Rohm	Nexperia	Nexperia	Nexperia
Transistor Type	PNP	PNP	PNP	PNP	PNP	PNP
Ic (Max)	1 A	1.5 A	1.5 A	1 A	1 A	1 A
Voltage - Collector Emitter Breakdown (Max)	80 V	80 V	80 V	80 V	80 V	80 V
Vce Saturation (Max) @ Ib, Ic	300 mV @ 50 mA, 500 mA	400 mV @ 25 mA, 500 mA	400 mV @ 25 mA, 500 mA	500 mV @ 50 mA, 500 mA	500 mV @ 50 mA, 500 mA	500 mV @ 50 mA, 500 mA
DC Current Gain (hFE) (Min) @ Ic, Vce	120 @ 100 mA, 2 V	120 @ 100 mA, 3 V	120 @ 100 mA, 3 V	63 @ 150 mA, 2 V	63 @ 150 mA, 2 V	100 @ 100 mA, 5 V
Power - Max	1 W	500 mW	500 mW	1.3 W	1.3 W	1.35 W
Frequency - Transition	150 MHz	340 MHz	340 MHz	145 MHz	145 MHz	100 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
Supplier Device Package	MiniP3-F2-B	MPT3	SOT-89	SOT-89	SOT-89	SOT-89
Product Status	Discontinued	Active	Active	Active	Active	Active
RoHS Status	RoHS 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)
Automotive Grade	—	—	Yes (AEC-Q101)	Yes (AEC-Q100)	Yes (AEC-Q100)	Yes (AEC-Q100)

Engineering Selection Recommendations

For Direct Replacement with Identical Current Rating:

BCX53,115 and BCX53-10,135 (Nexperia USA Inc.) are functionally equivalent to the DSA7102R0L, maintaining the 1 A collector current specification and 80 V breakdown voltage. Both variants are active products with AEC-Q100 automotive qualification and ROHS3 compliance. BCX53,115 is supplied in Cut Tape & Digi-Reel packaging, while BCX53-10,135 is supplied in Tape & Reel format. These parts are suitable for applications requiring direct electrical equivalence with the original design.

BSR33,115 (Nexperia USA Inc.) also meets the 1 A and 80 V specifications with AEC-Q100 qualification and ROHS3 compliance. This part operates at a lower transition frequency (100 MHz) compared to the DSA7102R0L (150 MHz) and exhibits different DC current gain characteristics (100 @ 100 mA, 5 V versus 120 @ 100 mA, 2 V).

For Enhanced Performance with Higher Current Margin:

2SAR554P5T100 and 2SAR554PHZGT100 (Rohm Semiconductor) provide 1.5 A collector current capability while maintaining the 80 V breakdown voltage. Both parts are active products with ROHS3 compliance and MSL 1 rating. The 2SAR554PHZGT100 variant includes AEC-Q101 automotive qualification and is supplied in Tape & Reel format. These parts offer increased design margin for applications requiring higher current capacity and are suitable for designs where the additional 0.5 A headroom provides system reliability benefits.

Compliance and Availability:

All substitute parts are active products with current manufacturing status and established supply chains. All parts maintain RoHS3 compliance and MSL 1 (Unlimited) moisture sensitivity ratings, ensuring compatibility with standard manufacturing and storage processes.

Frequently Asked Questions (FAQ)

Q: Can the BCX53,115 directly replace the DSA7102R0L in existing designs?

A: Yes. The BCX53,115 maintains electrical equivalence across the critical parameters: 1 A maximum collector current, 80 V collector-emitter breakdown voltage, 150°C operating temperature, and TO-243AA package compatibility. The part is an active product with AEC-Q100 automotive qualification and ROHS3 compliance.

Q: What is the difference between the Rohm 2SAR554P5T100 and 2SAR554PHZGT100?

A: Both parts are electrically identical with 1.5 A collector current and 80 V breakdown voltage. The primary difference is packaging: 2SAR554P5T100 is supplied in Cut Tape & Digi-Reel format with MPT3 supplier device package, while 2SAR554PHZGT100 is supplied in Tape & Reel format with SOT-89 supplier device package. The 2SAR554PHZGT100 includes AEC-Q101 automotive qualification.

Q: Why do some substitute parts have higher collector current ratings (1.5 A) than the original DSA7102R0L (1 A)?

A: The Rohm 2SAR554 series provides enhanced current capability while maintaining the same 80 V breakdown voltage specification. This higher current rating does not affect compatibility; it provides additional design margin and allows the part to operate at lower junction temperatures under the same load conditions.

Q: Are all substitute parts suitable for automotive applications?

A: The Nexperia BCX53,115, BCX53-10,135, and BSR33,115 parts carry AEC-Q100 automotive qualification. The Rohm 2SAR554PHZGT100 carries AEC-Q101 automotive qualification. The Rohm 2SAR554P5T100 does not carry automotive qualification. Selection depends on application requirements.

Q: What is the significance of the different supplier device packages (MiniP3-F2-B, MPT3, SOT-89)?

A: All parts use the TO-243AA standard package case, ensuring mechanical and electrical compatibility with the original footprint. The supplier device package designations reflect manufacturer-specific naming conventions but do not affect PCB layout compatibility. Verify pin configuration with the respective manufacturer datasheets for your specific application.

Q: How do the transition frequency differences affect substitution suitability?

A: The DSA7102R0L operates at 150 MHz transition frequency. Substitute parts range from 100 MHz (BSR33,115) to 340 MHz (2SAR554 series). Higher transition frequency provides additional performance margin for high-frequency applications. Lower transition frequency (BSR33,115 at 100 MHz) is suitable for applications operating below this threshold.

Q: Are there any differences in saturation voltage characteristics between the DSA7102R0L and substitute parts?

A: Yes. The DSA7102R0L specifies 300 mV saturation voltage at 50 mA base current and 500 mA collector current. The Nexperia BCX53 and BSR33 parts specify 500 mV under the same conditions. The Rohm 2SAR554 series specifies 400 mV at 25 mA base current and 500 mA collector current. These differences may affect circuit performance in saturation-mode applications; verify compatibility with circuit design requirements.

Q: What is the inventory status of substitute parts?

A: All substitute parts are active products with established inventory: 2SAR554P5T100 (14,400 pcs), 2SAR554PHZGT100 (1,471 pcs), BCX53,115 (60,100 pcs), BCX53-10,135 (4,774 pcs), and BSR33,115 (1,442 pcs). Availability supports both prototype and production volume requirements.

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