Equivalent & Substitute Parts for 2PC4617R,135

Part Overview

The 2PC4617R,135 is an NPN bipolar junction transistor manufactured by NXP USA Inc., designed for surface mount applications in the SC-75 (SOT-416) package. This component operates at a maximum collector current of 150 mA, collector-emitter breakdown voltage of 50 V, and maximum power dissipation of 150 mW with a transition frequency of 100 MHz.

The 2PC4617R,135 is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements. Active alternatives with comparable electrical characteristics and compatible packaging options are available from multiple manufacturers.

Key Parameters

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

Substitute Part Grouping Explanation

Substitution of the 2PC4617R,135 is determined by the following critical parameters:

Electrical Compatibility Requirements:

Transistor type must be NPN
Collector current rating must be equal to or greater than 150 mA
Collector-emitter breakdown voltage must be equal to or greater than 50 V
Power dissipation must be equal to or greater than 150 mW
DC current gain (hFE) must be within acceptable operating range
Transition frequency should support the intended application frequency

Mechanical Compatibility Requirements:

Surface mount mounting type
Package footprint compatibility or acceptable redesign scope

Compliance Requirements:

RoHS3 compliance maintained
Moisture sensitivity level 1 (unlimited shelf life)

Substitute parts are grouped into two categories: Direct Package Equivalents (same or compatible package) and Alternative Package Options (different package with equivalent electrical performance). Parts with active product status are prioritized over obsolete alternatives.

Parameter Comparison

Parameter	2PC4617R,135 (Main)	2SC4617TLR	2DC4617Q-7-F	2DC4617R-7-F	2DC4617S-7-F	2PC4081R,135	2PC4617RM,315	2PC4617RMB,315	2SC4738-GR,LF
Manufacturer	NXP USA Inc.	Rohm Semiconductor	Diodes Incorporated	Diodes Incorporated	Diodes Incorporated	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.	Toshiba Semiconductor
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active
Transistor Type	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN	NPN
Ic (Max) [mA]	150	150	150	150	150	150	100	100	150
Vce Breakdown (Max) [V]	50	50	50	50	50	50	50	50	50
Power (Max) [mW]	150	150	150	150	150	200	430	250	100
Frequency - Transition [MHz]	100	180	180	180	180	100	100	100	80
hFE @ 1 mA, 6 V	180	180	120	180	270	180	180	180	200
Vce Saturation (Max) [mV]	200	400	400	400	400	400	200	200	250
Package / Case	SC-75, SOT-416	SC-75, SOT-416	SOT-523	SOT-523	SOT-523	SC-70, SOT-323	SC-101, SOT-883	3-XFDFN	SC-75, SOT-416
Operating Temperature (Max) [°C]	150	150	150	150	150	150	150	150	125
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Automotive Grade	—	—	—	—	—	Yes (AEC-Q101)	Yes (AEC-Q100)	Yes (AEC-Q100)	—

Engineering Selection Recommendations

Direct Package Equivalent (SC-75 / SOT-416 Package):

The 2SC4617TLR from Rohm Semiconductor is the primary direct substitute for the 2PC4617R,135. Both components share identical package geometry (SC-75, SOT-416), matching collector current (150 mA), breakdown voltage (50 V), and power dissipation (150 mW). The 2SC4617TLR offers enhanced transition frequency (180 MHz versus 100 MHz) and maintains active product status with full RoHS3 compliance. This part requires no PCB redesign and provides superior frequency performance.

The 2SC4738-GR,LF from Toshiba Semiconductor is also available in the SC-75 package with matching electrical specifications. However, this part operates at a lower maximum temperature (125°C versus 150°C) and lower transition frequency (80 MHz), making it suitable only for applications with reduced thermal and frequency requirements.

Alternative Package Options with Enhanced Performance:

The 2DC4617R-7-F and 2DC4617Q-7-F from Diodes Incorporated provide equivalent electrical performance in the SOT-523 package. These parts maintain 150 mA collector current and 50 V breakdown voltage with improved transition frequency (180 MHz). The 2DC4617R-7-F matches the original hFE specification (180 @ 1 mA, 6 V), while the 2DC4617Q-7-F operates at reduced hFE (120 @ 1 mA, 6 V). Both require PCB layout modification due to different package footprint.

The 2DC4617S-7-F from Diodes Incorporated offers the highest DC current gain (270 @ 1 mA, 6 V) in the SOT-523 package, suitable for applications requiring enhanced amplification characteristics.

Higher Power Dissipation Alternatives:

The 2PC4081R,135 from Nexperia USA Inc. provides increased power dissipation (200 mW versus 150 mW) in the SOT-323 package with automotive-grade qualification (AEC-Q101). This part maintains matching collector current, breakdown voltage, and DC current gain, making it suitable for designs requiring additional thermal margin or automotive applications.

The 2PC4617RM,315 and 2PC4617RMB,315 from Nexperia USA Inc. are automotive-qualified alternatives (AEC-Q100) with significantly higher power dissipation (430 mW and 250 mW respectively). These parts operate at reduced collector current (100 mA maximum), limiting their use to applications with lower current requirements.

Selection Criteria:

Direct replacement without PCB modification: 2SC4617TLR
Automotive applications: 2PC4081R,135 (AEC-Q101) or 2PC4617RM,315 / 2PC4617RMB,315 (AEC-Q100)
Enhanced frequency performance: 2DC4617R-7-F or 2DC4617Q-7-F (requires PCB redesign)
High current gain requirement: 2DC4617S-7-F
Thermal margin requirement: 2PC4081R,135 or 2PC4617RM,315

All substitute parts maintain RoHS3 compliance and moisture sensitivity level 1 (unlimited shelf life).

Frequently Asked Questions (FAQ)

Q: Can the 2SC4617TLR directly replace the 2PC4617R,135 without PCB modification?

A: Yes. The 2SC4617TLR shares identical package geometry (SC-75, SOT-416) and pin configuration with the 2PC4617R,135. No PCB layout changes are required. The part is a direct mechanical and electrical substitute with enhanced transition frequency performance.

Q: What is the primary difference between the Diodes Incorporated alternatives (2DC4617R-7-F, 2DC4617Q-7-F, 2DC4617S-7-F)?

A: All three parts are packaged in SOT-523 and maintain identical collector current (150 mA) and breakdown voltage (50 V). The primary differences are DC current gain specifications: 2DC4617R-7-F operates at 180 hFE (matching the original), 2DC4617Q-7-F at 120 hFE (reduced gain), and 2DC4617S-7-F at 270 hFE (enhanced gain). Selection depends on circuit amplification requirements.

Q: Why do the 2PC4617RM,315 and 2PC4617RMB,315 have reduced collector current ratings?

A: These automotive-qualified parts (AEC-Q100) are designed for different applications with lower current requirements. The 2PC4617RM,315 operates at 100 mA maximum (versus 150 mA), and the 2PC4617RMB,315 also at 100 mA. These parts are not suitable as direct replacements for the 2PC4617R,135 in circuits requiring 150 mA collector current.

Q: What is the significance of the SOT-523 package used by Diodes Incorporated alternatives?

A: The SOT-523 package is a smaller surface mount package compared to SC-75 (SOT-416). While electrically equivalent, using SOT-523 alternatives requires PCB layout redesign to accommodate the different footprint. This may be advantageous in space-constrained designs but introduces redesign effort and validation requirements.

Q: Are automotive-grade alternatives necessary for non-automotive applications?

A: Automotive-grade qualification (AEC-Q101 or AEC-Q100) is not required for non-automotive applications. However, automotive-qualified parts often provide enhanced reliability and temperature stability. The 2PC4081R,135 (AEC-Q101) and 2PC4617RM,315 (AEC-Q100) may be selected for general industrial applications where additional reliability margin is beneficial, independent of automotive requirements.

Q: How does the transition frequency difference affect circuit performance?

A: The 2PC4617R,135 operates at 100 MHz transition frequency, while most active substitutes (2SC4617TLR, 2DC4617R-7-F, 2DC4617Q-7-F, 2DC4617S-7-F) operate at 180 MHz. Higher transition frequency enables faster switching and improved high-frequency performance. For applications operating below 100 MHz, this difference is not significant. For circuits approaching or exceeding 100 MHz, the enhanced frequency performance of substitutes provides design margin.

Q: What is the impact of Vce saturation voltage differences between parts?

A: The 2PC4617R,135 specifies 200 mV Vce saturation at 5 mA, 50 mA. Most Diodes Incorporated alternatives specify 400 mV saturation, while Toshiba 2SC4738-GR,LF specifies 250 mV. Higher saturation voltage increases power dissipation in saturated switching applications. For linear amplification circuits, this difference is typically negligible. For switching applications, lower saturation voltage (200 mV) is preferred for efficiency.

Q: Can the 2SC4738-GR,LF be used as a substitute despite lower operating temperature rating?

A: The 2SC4738-GR,LF operates at maximum 125°C junction temperature versus 150°C for the 2PC4617R,135. This part is suitable only for applications where the transistor junction temperature remains below 125°C. Thermal analysis is required to confirm compatibility. In high-temperature environments or high-power applications, this part is not recommended.

Q: What compliance certifications are maintained across all substitute parts?

A: All substitute parts maintain RoHS3 compliance and moisture sensitivity level 1 (unlimited shelf life). REACH status is unaffected for all parts. Automotive-qualified alternatives (2PC4081R,135, 2PC4617RM,315, 2PC4617RMB,315) carry additional AEC-Q101 or AEC-Q100 certification. All parts are classified under ECCN EAR99 and HTSUS 8541.21.0075 (or 8541.21.0095 for Toshiba part).

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