Equivalent & Substitute Parts for 2DD1664R-13

Part Overview

The 2DD1664R-13 is an NPN bipolar junction transistor manufactured by Diodes Incorporated, designed for general-purpose switching and amplification applications. This surface mount device operates at a maximum collector current of 1 A and collector-emitter breakdown voltage of 32 V, with a maximum power dissipation of 1 W. The part is classified as Active product status and is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified when design requirements permit operation within specified electrical and mechanical parameter ranges, or when supply chain considerations necessitate alternative sourcing while maintaining functional compatibility.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Current - Collector (Ic) (Max)	1	A
Voltage - Collector Emitter Breakdown (Max)	32	V
Power - Max	1	W
Frequency - Transition	280	MHz
Mounting Type	Surface Mount	—
Package / Case	TO-243AA	—
Operating Temperature Range	-55 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the 2DD1664R-13 is determined by the following critical parameters: transistor type (NPN), maximum collector current rating, maximum collector-emitter breakdown voltage, maximum power dissipation, surface mount packaging compatibility, and compliance certifications. A substitute part is considered equivalent when it meets or exceeds the electrical specifications of the primary part within the same functional category, or when it operates within acceptable design margins for the intended application.

The substitute parts listed below are grouped based on their ability to satisfy the core electrical requirements:

Critical Substitution Parameters:

Transistor Type: NPN
Collector Current (Ic) Rating: ≥ 1 A
Collector-Emitter Breakdown Voltage (Vceo): ≥ 30 V (minimum acceptable threshold)
Surface Mount Packaging: TO-243AA or compatible footprint
Product Status: Active
Compliance: RoHS3 Compliant, MSL 1

Parameter Comparison

Parameter	2DD1664R-13 (Diodes Inc.)	2SCR293P5T100 (Rohm)	NSS30101LT1G (onsemi)	PBSS303NX,115 (Nexperia)
Transistor Type	NPN	NPN	NPN	NPN
Current - Collector (Ic) (Max)	1 A	1 A	1 A	5.1 A
Voltage - Collector Emitter Breakdown (Max)	32 V	30 V	30 V	30 V
Vce Saturation (Max)	400 mV @ 50 mA, 500 mA	350 mV @ 25 mA, 500 mA	200 mV @ 100 mA, 1 A	220 mV @ 255 mA, 5.1 A
Current - Collector Cutoff (Max)	100 nA	100 nA	100 nA	100 nA
DC Current Gain (hFE) (Min)	180 @ 100 mA, 3 V	270 @ 100 mA, 2 V	300 @ 500 mA, 5 V	250 @ 2 A, 2 V
Power - Max	1 W	500 mW	310 mW	2.1 W
Frequency - Transition	280 MHz	320 MHz	100 MHz	130 MHz
Operating Temperature (TJ)	-55 to 150 °C	150 °C	-55 to 150 °C	150 °C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	TO-243AA (SOT-89-3)	TO-243AA (MPT3)	TO-236-3 (SOT-23-3)	TO-243AA (SOT-89)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)

Engineering Selection Recommendations

2SCR293P5T100 (Rohm Semiconductor)

This substitute maintains electrical equivalence with the primary part across all critical parameters. The collector current rating (1 A) and collector-emitter breakdown voltage (30 V) satisfy minimum substitution thresholds. The reduced power dissipation (500 mW versus 1 W) requires verification that thermal design margins remain acceptable for the intended application. The higher transition frequency (320 MHz) and improved DC current gain (270 minimum) provide performance advantages. Both parts share TO-243AA packaging compatibility. RoHS3 compliance and MSL 1 rating match the primary part. This substitute is suitable for applications where power dissipation constraints are not limiting.

NSS30101LT1G (onsemi)

This substitute meets the core electrical requirements with 1 A collector current and 30 V breakdown voltage. The package differs from the primary part (SOT-23-3 versus SOT-89-3), requiring PCB layout and footprint redesign. The significantly reduced power dissipation (310 mW) and lower transition frequency (100 MHz) indicate this part is optimized for lower-frequency, lower-power applications. The superior DC current gain (300 minimum) and lower saturation voltage provide switching efficiency advantages. RoHS3 compliance and MSL 1 rating are maintained. This substitute is applicable only when PCB footprint modification is feasible and application frequency requirements do not exceed 100 MHz.

PBSS303NX,115 (Nexperia USA Inc.)

This substitute exceeds the primary part specifications in collector current (5.1 A) and power dissipation (2.1 W), providing design margin for higher-current applications. The collector-emitter breakdown voltage (30 V) meets minimum substitution criteria. The package remains compatible (TO-243AA). The automotive-grade qualification (AEC-Q100) and higher current capability make this part suitable for applications requiring enhanced reliability or higher current handling. The lower transition frequency (130 MHz) may limit use in high-frequency circuits. RoHS3 compliance and MSL 1 rating are maintained. This substitute is recommended for applications requiring automotive qualification or higher current capacity.

Frequently Asked Questions (FAQ)

Q: Can the 2DD1664R-13 be directly replaced with the 2SCR293P5T100?

A: Direct replacement is possible when the application does not require the full 1 W power dissipation of the primary part. The 2SCR293P5T100 provides equivalent electrical performance with 500 mW maximum power rating. Both parts use TO-243AA packaging and maintain identical footprint compatibility. Thermal design review is required to confirm that reduced power dissipation does not compromise circuit performance.

Q: What are the package compatibility considerations for the NSS30101LT1G?

A: The NSS30101LT1G uses SOT-23-3 (TO-236) packaging, which differs from the SOT-89-3 (TO-243AA) package of the primary part. PCB layout modification is necessary to accommodate the different footprint. Pin assignment and lead spacing differ between these packages. This substitute requires design revision and cannot be used as a direct drop-in replacement without PCB rework.

Q: Is the PBSS303NX,115 suitable for all applications using the 2DD1664R-13?

A: The PBSS303NX,115 is suitable for applications where the higher current rating (5.1 A) and power dissipation (2.1 W) provide design margin. The lower transition frequency (130 MHz) may limit applicability in high-frequency switching circuits. The automotive-grade qualification makes this part preferable for automotive and reliability-critical applications. Functional compatibility exists for standard switching and amplification circuits operating within the specified electrical parameters.

Q: What is the minimum collector-emitter breakdown voltage acceptable for substitution?

A: All substitute parts maintain a minimum collector-emitter breakdown voltage of 30 V, which is 2 V below the primary part specification of 32 V. This 6.25% margin reduction is within acceptable engineering tolerance for most applications. Circuit design must confirm that maximum operating voltages do not approach the 30 V threshold to maintain adequate safety margin.

Q: Are all substitute parts RoHS3 compliant?

A: All substitute parts listed (2SCR293P5T100, NSS30101LT1G, and PBSS303NX,115) are RoHS3 compliant with MSL 1 (unlimited) moisture sensitivity rating, matching the compliance profile of the primary part 2DD1664R-13. No additional environmental or regulatory considerations are introduced through substitution.

Q: How does transition frequency affect substitution suitability?

A: The primary part operates at 280 MHz transition frequency. The 2SCR293P5T100 (320 MHz) and PBSS303NX,115 (130 MHz) provide higher and lower frequency performance, respectively. The NSS30101LT1G (100 MHz) is optimized for lower-frequency applications. Substitution is valid when the application frequency requirement does not exceed the substitute part's transition frequency specification. High-frequency switching circuits may require the higher-frequency alternatives.

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