DP0150ADJ-7 Equivalent & Substitute Parts

Part Overview

The DP0150ADJ-7 is a Bipolar (BJT) Transistor Array featuring a dual PNP configuration in a surface mount SOT-963 package. This component is rated for 50V collector-emitter breakdown voltage with a maximum collector current of 100mA and 300mW power dissipation. The device operates across a temperature range of -55°C to 150°C and achieves an 80MHz transition frequency.

The DP0150ADJ-7 is classified as an obsolete product. Locating equivalent or substitute components is necessary to support ongoing maintenance, repair, and redesign activities for legacy systems utilizing this transistor array.

Key Parameters

Parameter	Value	Unit
Transistor Type	2 PNP (Dual)	—
Current - Collector (Ic) (Max)	100	mA
Voltage - Collector Emitter Breakdown (Max)	50	V
Vce Saturation (Max) @ Ib, Ic	300mV @ 10mA, 100mA	—
Current - Collector Cutoff (Max)	100	nA
DC Current Gain (hFE) (Min) @ Ic, Vce	120 @ 2mA, 6V	—
Power - Max	300	mW
Frequency - Transition	80	MHz
Operating Temperature	-55 to 150	°C
Package / Case	SOT-963	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the DP0150ADJ-7 is determined by the following critical parameters:

Package Compatibility: Both the main part and substitute must use the SOT-963 surface mount package to ensure mechanical and electrical compatibility with existing PCB layouts.

Transistor Configuration: The dual PNP (2 PNP) configuration must be maintained to preserve circuit functionality.

Electrical Ratings: Substitute parts must meet or exceed the collector current rating (100mA maximum) and power dissipation (300mW maximum). The collector-emitter breakdown voltage of the substitute may be lower than the main part if the application circuit operates within the reduced voltage specification.

Temperature Range: The operating temperature range of -55°C to 150°C must be supported by the substitute component.

Compliance Standards: RoHS3 compliance and MSL Level 1 classification are required to maintain regulatory and manufacturing process compatibility.

The DST857BDJ-7 satisfies all substitution criteria within these parameters.

Parameter Comparison

Parameter	DP0150ADJ-7	DST857BDJ-7	Notes
Manufacturer	Diodes Incorporated	Diodes Incorporated	Same manufacturer
Transistor Type	2 PNP (Dual)	2 PNP (Dual)	Identical configuration
Current - Collector (Ic) (Max)	100 mA	100 mA	Identical rating
Voltage - Collector Emitter Breakdown (Max)	50 V	45 V	DST857BDJ-7 rated 5V lower
Vce Saturation (Max) @ Ib, Ic	300mV @ 10mA, 100mA	500mV @ 5mA, 100mA	Different test conditions
Current - Collector Cutoff (Max)	100 nA	15 nA	DST857BDJ-7 has lower leakage
DC Current Gain (hFE) (Min) @ Ic, Vce	120 @ 2mA, 6V	200 @ 2mA, 5V	DST857BDJ-7 has higher gain
Power - Max	300 mW	300 mW	Identical rating
Frequency - Transition	80 MHz	340 MHz	DST857BDJ-7 has higher bandwidth
Operating Temperature	-55 to 150 °C	-55 to 150 °C	Identical range
Package / Case	SOT-963	SOT-963	Identical package
Mounting Type	Surface Mount	Surface Mount	Identical mounting
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Both compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Identical classification
Product Status	Obsolete	Active	Substitute is in active production

Engineering Selection Recommendations

The DST857BDJ-7 is the manufacturer-recommended substitute for the obsolete DP0150ADJ-7. Both components are manufactured by Diodes Incorporated and share identical package, mounting type, power rating, collector current rating, and operating temperature specifications.

The DST857BDJ-7 maintains ROHS3 compliance and MSL Level 1 classification, ensuring compatibility with current manufacturing and regulatory requirements. The substitute component is in active production status, providing assured long-term availability compared to the obsolete DP0150ADJ-7.

The DST857BDJ-7 exhibits improved electrical performance characteristics, including higher DC current gain (200 versus 120), lower collector cutoff current (15nA versus 100nA), and higher transition frequency (340MHz versus 80MHz). The collector-emitter breakdown voltage is rated at 45V compared to 50V on the main part. Circuit designs operating at voltages below 45V will experience no functional limitation from this specification difference.

Frequently Asked Questions (FAQ)

Q: Can the DST857BDJ-7 be used as a direct replacement for the DP0150ADJ-7 in existing PCB assemblies?

A: Yes. Both components use the identical SOT-963 surface mount package and share the same pinout configuration. No PCB layout modifications are required for substitution.

Q: What is the significance of the 5V difference in collector-emitter breakdown voltage between these parts?

A: The DP0150ADJ-7 is rated for 50V maximum breakdown voltage, while the DST857BDJ-7 is rated for 45V. If your circuit design operates at voltages below 45V, this difference has no impact on component selection. If your circuit requires operation above 45V, the DST857BDJ-7 is not suitable.

Q: Why does the DST857BDJ-7 have different Vce saturation specifications?

A: The saturation voltage specifications are measured under different test conditions (10mA base current at 100mA collector current for DP0150ADJ-7 versus 5mA base current at 100mA collector current for DST857BDJ-7). These differences reflect the improved performance characteristics of the active substitute component.

Q: Is the higher transition frequency of the DST857BDJ-7 a concern for compatibility?

A: No. Higher transition frequency indicates improved high-frequency performance. This characteristic does not create compatibility issues in applications designed for the lower-frequency DP0150ADJ-7. The substitute will function correctly in all circuits where the original part was specified.

Q: Are there any compliance or regulatory differences between these components?

A: Both components are ROHS3 compliant and carry MSL Level 1 classification. No compliance differences exist between the DP0150ADJ-7 and DST857BDJ-7.

Q: Why is the DP0150ADJ-7 classified as obsolete?

A: The DP0150ADJ-7 has been discontinued by the manufacturer. The DST857BDJ-7 is the active production equivalent that provides the same functionality with improved performance characteristics.

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