Equivalent & Substitute Parts for 2DB1132P-13

Part Overview

The 2DB1132P-13 is a PNP bipolar junction transistor manufactured by Diodes Incorporated, rated for 32V collector-emitter breakdown voltage and 1A maximum collector current in a surface mount SOT-89-3 package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing production and maintenance applications. The part operates across a temperature range of -55°C to 150°C and delivers 1W maximum power dissipation with a transition frequency of 190MHz.

Key Parameters

Parameter	Value	Unit
Transistor Type	PNP	—
Collector Current (Max)	1	A
Collector-Emitter Breakdown Voltage (Max)	32	V
Power Dissipation (Max)	1	W
Transition Frequency	190	MHz
Operating Temperature Range	-55 to 150	°C
Package Type	SOT-89-3 (TO-243AA)	—
Mounting Type	Surface Mount	—
DC Current Gain (hFE) @ 100mA, 3V	82	—
Vce Saturation @ 50mA, 500mA	500	mV

Substitute Part Grouping Explanation

Substitution eligibility for the 2DB1132P-13 is determined by the following critical parameters: transistor type (PNP), maximum collector current (1A minimum), collector-emitter breakdown voltage (32V minimum), surface mount package compatibility (SOT-89-3/TO-243AA), and operating temperature range (-55°C to 150°C minimum). Parts meeting these baseline requirements are classified as direct substitutes. Parts exceeding these specifications in current capacity, voltage rating, or power dissipation are classified as functional upgrades. Parts with reduced specifications or different package types are not suitable substitutes.

The substitute parts identified fall into two categories:

Direct Manufacturer Equivalent: 2DB1132R-13 from Diodes Incorporated maintains identical electrical specifications and packaging, with the primary distinction being active product status versus obsolete status.

Functional Upgrades: 2SB1132T100R, 2SAR293P5T100, 2SB1188-Q-TP, 2SB1188-R-TP, and PBSS5330X,115 exceed the baseline specifications in one or more parameters (current capacity, power dissipation, or transition frequency) while maintaining compatibility with the core application requirements.

Parameter Comparison

Parameter	2DB1132P-13	2DB1132R-13	2SB1132T100R	2SAR293P5T100	2SB1188-Q-TP	2SB1188-R-TP	PBSS5330X,115
Manufacturer	Diodes Inc.	Diodes Inc.	Rohm Semi.	Rohm Semi.	MCC	MCC	Nexperia
Transistor Type	PNP	PNP	PNP	PNP	PNP	PNP	PNP
Ic (Max) [A]	1	1	1	1	2	2	3
Vce Breakdown (Max) [V]	32	32	32	30	32	32	30
Power (Max) [W]	1	1	2	0.5	0.5	0.5	1.6
Frequency - Transition [MHz]	190	180	150	320	80	80	100
hFE @ 100mA, 3V	82	180	180	270	—	—	175
Operating Temp Range [°C]	-55 to 150	-55 to 150	—	—	-55 to 150	-55 to 150	—
Package	SOT-89-3	SOT-89-3	MPT3	MPT3	SOT-89	SOT-89	SOT-89
Product Status	Obsolete	Active	Not For New Designs	Active	Active	Active	Active
RoHS Compliance	ROHS3	ROHS3	ROHS3	ROHS3	—	—	ROHS3

Engineering Selection Recommendations

Primary Recommendation: 2DB1132R-13 (Diodes Incorporated) is the direct equivalent substitute for the obsolete 2DB1132P-13. This part maintains identical electrical specifications, package configuration, and compliance certifications while offering active product status and significantly higher inventory availability (22,700 units versus 7,900 units). Both parts are ROHS3 compliant and carry unlimited moisture sensitivity level (MSL 1).

Secondary Recommendations for Functional Upgrade Applications:

2SB1132T100R (Rohm Semiconductor) provides doubled power dissipation (2W versus 1W) while maintaining 32V breakdown voltage and 1A collector current. This part is suitable for applications requiring enhanced thermal performance. However, this part carries "Not For New Designs" status and should be used only in legacy system maintenance.

2SAR293P5T100 (Rohm Semiconductor) offers superior transition frequency (320MHz versus 190MHz) and improved DC current gain (270 versus 82 at 100mA), making it suitable for high-frequency switching applications. The 30V breakdown voltage is acceptable for 32V-rated designs with appropriate circuit margin analysis. Power dissipation is reduced to 500mW.

2SB1188-Q-TP and 2SB1188-R-TP (Micro Commercial Co) both support doubled collector current (2A versus 1A) and maintain 32V breakdown voltage, suitable for higher current applications. Transition frequency is reduced to 80MHz. Both parts carry active product status.

PBSS5330X,115 (Nexperia USA Inc.) provides the highest current capacity (3A) and power dissipation (1.6W) with automotive-grade qualification (AEC-Q100). Breakdown voltage is 30V. This part is suitable for automotive and high-reliability applications requiring enhanced current handling.

Compliance Considerations: All recommended substitutes maintain ROHS3 compliance and REACH unaffected status. PBSS5330X,115 carries additional automotive qualification (AEC-Q100), making it suitable for automotive applications where the original part may not have been qualified.

Frequently Asked Questions (FAQ)

Q: Can 2DB1132R-13 be used as a direct replacement for 2DB1132P-13 without circuit modification?

A: Yes. The 2DB1132R-13 is a direct equivalent with identical electrical specifications, package type (SOT-89-3), and operating temperature range. The primary difference is product status (active versus obsolete) and higher DC current gain (180 versus 82 at 100mA, 3V), which does not preclude direct substitution in existing designs.

Q: What is the difference between SOT-89-3 and MPT3 packages?

A: Both package types use the TO-243AA mechanical footprint and are surface mount configurations. SOT-89-3 and MPT3 are manufacturer-specific designations for the same physical package. Parts using either designation are mechanically and electrically compatible on standard PCB layouts.

Q: Can PBSS5330X,115 replace 2DB1132P-13 in a 1A application?

A: Yes. PBSS5330X,115 supports 3A maximum collector current, exceeding the 1A requirement. The 30V breakdown voltage is 2V lower than the original 32V specification; circuit design must verify adequate voltage margin. The automotive-grade qualification (AEC-Q100) provides additional reliability assurance.

Q: Why does 2SAR293P5T100 have lower power dissipation (500mW) than the original part (1W)?

A: 2SAR293P5T100 is optimized for high-frequency switching applications (320MHz transition frequency) rather than continuous power dissipation. The reduced power rating reflects the intended application profile. This part is suitable for switching circuits where instantaneous power dissipation remains within the 500mW limit.

Q: Are all substitute parts ROHS3 compliant?

A: ROHS3 compliance is confirmed for 2DB1132R-13, 2SB1132T100R, 2SAR293P5T100, and PBSS5330X,115. Compliance information is not provided in the technical data for 2SB1188-Q-TP and 2SB1188-R-TP; verification with the manufacturer is required if ROHS3 compliance is a design requirement.

Q: What is the significance of "Not For New Designs" status for 2SB1132T100R?

A: This designation indicates the manufacturer is not recommending this part for new circuit designs, typically due to planned obsolescence or availability concerns. The part remains functional and suitable for legacy system maintenance and repair. New designs should prioritize parts with "Active" status such as 2DB1132R-13 or 2SAR293P5T100.

Q: Can 2SB1188-Q-TP and 2SB1188-R-TP be used interchangeably?

A: Yes. Both parts are identical in electrical specifications and package type. The designations Q-TP and R-TP represent different manufacturing batches or tape configurations from Micro Commercial Co. Both are suitable for direct substitution in the same application.

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