NXP 2PC4617R,115 Equivalent & Substitute Parts

Part Overview

The NXP 2PC4617R,115 is an NPN bipolar junction transistor (BJT) designed for general-purpose switching and amplification applications. This surface mount device operates at 50 V collector-emitter breakdown voltage with a maximum collector current of 150 mA and 150 mW power dissipation. The part is classified as obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for ongoing production and repair applications.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Voltage - Collector Emitter Breakdown (Max)	50	V
Current - Collector (Ic) (Max)	150	mA
Power - Max	150	mW
Frequency - Transition	100	MHz
DC Current Gain (hFE) (Min) @ Ic, Vce	180 @ 1mA, 6V	—
Vce Saturation (Max) @ Ib, Ic	200mV @ 5mA, 50mA	—
Current - Collector Cutoff (Max)	100	nA
Operating Temperature (TJ)	150	°C
Mounting Type	Surface Mount	—
Package / Case	SC-75, SOT-416	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the 2PC4617R,115 is determined by strict electrical and mechanical parameter matching. The following criteria establish valid equivalency:

Primary Matching Criteria:

Transistor Type: NPN
Voltage - Collector Emitter Breakdown (Max): 50 V minimum
Current - Collector (Ic) (Max): 150 mA minimum
Power - Max: 150 mW minimum
DC Current Gain (hFE) (Min): 180 or greater at specified test conditions
Current - Collector Cutoff (Max): 100 nA or less
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant

Package Compatibility Considerations: Substitutes are grouped by package type. The original SC-75 (SOT-416) package may be replaced by functionally equivalent packages including SOT-523, SOT-323, SOT-883, and DFN1006B-3, provided all electrical parameters meet or exceed the original specification.

Product Status: Active substitute parts are prioritized over obsolete alternatives to ensure long-term supply chain availability.

Parameter Comparison

Part Number	Manufacturer	Ic (Max) mA	Vce(br) V	Power mW	fT MHz	hFE (Min)	Package	Status
2PC4617R,115	NXP USA Inc.	150	50	150	100	180	SC-75	Obsolete
2SC4617TLR	Rohm Semiconductor	150	50	150	180	180	EMT3	Active
2DC4617Q-7-F	Diodes Incorporated	150	50	150	180	120	SOT-523	Active
2DC4617R-7-F	Diodes Incorporated	150	50	150	180	180	SOT-523	Active
2DC4617S-7-F	Diodes Incorporated	150	50	150	180	270	SOT-523	Active
2PC4081R,115	Nexperia USA Inc.	150	50	200	100	180	SOT-323	Active
2PC4617RM,315	Nexperia USA Inc.	100	50	430	100	180	SOT-883	Active
2PC4617RMB,315	Nexperia USA Inc.	100	50	250	100	180	DFN1006B-3	Active
2SC4738-BL(TE85L,F	Toshiba Semiconductor	150	50	100	80	350	SC-75	Active
2SD2654TLW	Rohm Semiconductor	150	50	150	250	1200	EMT3	Active

Engineering Selection Recommendations

Tier 1 - Direct Electrical Equivalents (Recommended for Drop-In Replacement):

The 2DC4617R-7-F (Diodes Incorporated) and 2SC4617TLR (Rohm Semiconductor) provide direct electrical equivalency with identical collector current (150 mA), breakdown voltage (50 V), power rating (150 mW), and DC current gain (180 minimum). Both parts are active products with ROHS3 compliance and MSL 1 rating. The 2DC4617R-7-F operates across the extended temperature range of -55°C to 150°C, providing superior thermal performance compared to the original 150°C maximum junction temperature specification.

Tier 2 - Electrical Equivalents with Package Variation:

The 2PC4081R,115 (Nexperia USA Inc.) maintains all critical electrical parameters while offering increased power dissipation (200 mW versus 150 mW) and automotive-grade qualification (AEC-Q101). This part is suitable for applications requiring enhanced thermal margin. The SOT-323 package provides a smaller footprint alternative to SC-75.

Tier 3 - Reduced Current Rating Alternatives:

The 2PC4617RM,315 and 2PC4617RMB,315 (Nexperia USA Inc.) feature reduced maximum collector current (100 mA versus 150 mA) but maintain 50 V breakdown voltage and 180 minimum hFE. These automotive-qualified parts (AEC-Q100) are suitable only for applications where collector current does not exceed 100 mA. The 2PC4617RM,315 offers significantly higher power dissipation (430 mW), while the 2PC4617RMB,315 provides 250 mW in a compact DFN1006B-3 package.

Tier 4 - Performance-Enhanced Alternatives:

The 2SD2654TLW (Rohm Semiconductor) and 2SC4738-BL(TE85L,F (Toshiba Semiconductor) exceed the original specification in transition frequency and current gain. The 2SD2654TLW operates at 250 MHz with hFE of 1200 minimum, suitable for high-frequency applications. The 2SC4738-BL(TE85L,F maintains SC-75 package compatibility with 80 MHz transition frequency and 350 minimum hFE. These parts are selected only when enhanced performance characteristics are required.

Compliance and Supply Considerations:

All recommended substitutes maintain ROHS3 compliance and MSL 1 moisture sensitivity rating. Active product status ensures continued availability and manufacturing support. Selection should prioritize Tier 1 equivalents for standard replacement applications.

Frequently Asked Questions (FAQ)

Q: Can the 2DC4617Q-7-F substitute for the 2PC4617R,115 despite lower hFE specification?

A: The 2DC4617Q-7-F specifies 120 minimum hFE compared to 180 minimum for the original part. This represents a 33% reduction in current gain. Substitution is valid only if circuit design accommodates the lower gain specification. Applications requiring specific hFE values should use 2DC4617R-7-F or 2SC4617TLR instead.

Q: What is the impact of package change from SC-75 to SOT-523?

A: Package change from SC-75 (SOT-416) to SOT-523 requires PCB layout modification. Both packages are surface mount with three leads (Base, Collector, Emitter), but pin spacing and footprint dimensions differ. Mechanical compatibility must be verified against PCB design specifications before implementation.

Q: Are the 2PC4617RM,315 and 2PC4617RMB,315 suitable direct replacements?

A: These parts feature reduced maximum collector current (100 mA versus 150 mA). Direct replacement is valid only if circuit design operates at or below 100 mA collector current. Applications requiring 150 mA operation must use Tier 1 or Tier 2 alternatives.

Q: What advantage does the extended temperature range of 2DC4617R-7-F provide?

A: The 2DC4617R-7-F operates from -55°C to 150°C compared to the original 150°C maximum junction temperature. This extended lower temperature limit enables operation in cold environment applications and provides improved reliability margin in thermal cycling scenarios.

Q: Why is the 2SD2654TLW listed as a substitute despite 250 MHz transition frequency versus 100 MHz original?

A: The 2SD2654TLW exceeds all minimum electrical requirements (150 mA Ic, 50 V Vce(br), 150 mW power, 180 hFE minimum). Higher transition frequency represents performance enhancement rather than incompatibility. Selection of this part is appropriate only when high-frequency performance is required or beneficial to circuit operation.

Q: Are automotive-qualified parts (AEC-Q100, AEC-Q101) interchangeable with non-automotive versions?

A: Automotive-qualified parts meet additional qualification and reliability standards. Non-automotive parts cannot substitute for automotive-qualified requirements. Automotive-qualified parts may substitute for non-automotive applications where supply or performance benefits justify the higher cost.

Q: What is the significance of ICBO (collector cutoff current) specification differences?

A: The original part specifies 100 nA maximum ICBO. The 2SD2654TLW specifies 300 nA maximum. Higher ICBO increases leakage current in off-state conditions. Substitution is valid for applications where leakage current specification is not critical. High-impedance or precision analog circuits may require verification of leakage impact.

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