2PC4617S,115 Equivalent & Substitute Parts

Part Overview

The 2PC4617S,115 is an NPN bipolar junction transistor manufactured by NXP USA Inc., designed for general-purpose switching and amplification applications. This device features a 50 V collector-emitter breakdown voltage rating and supports collector currents up to 150 mA, with a maximum power dissipation of 150 mW in a surface mount SC-75 package.

The 2PC4617S,115 is classified as an obsolete product. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production or repair requirements for legacy systems utilizing this component.

Substiute Parts

2PC4617S,115

NXP USA Inc.In Stock: 7942PC4617S,115 Datasheet

Current PartRFQ

2SC4738-BL(TE85L,F

Toshiba Semiconductor and StorageIn Stock: 8172SC4738-BL(TE85L,F Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 2PC4617S,115 is determined by strict electrical and mechanical parameter matching within the NPN bipolar junction transistor category. The following criteria establish substitution validity:

Electrical Parameters (Critical):

• Transistor type must be NPN
• Voltage - Collector Emitter Breakdown (Max) must be ≥ 50 V
• Current - Collector (Ic) (Max) must be ≥ 150 mA
• Power - Max must be ≥ 150 mW
• DC Current Gain (hFE) must support the application's bias requirements
• Vce Saturation characteristics must be compatible with switching performance

Mechanical Parameters (Critical):

• Mounting type must be Surface Mount
• Package / Case must be SC-75 or SOT-416 equivalent

Compliance Parameters:

• RoHS compliance status must be maintained or improved
• Moisture Sensitivity Level (MSL) must be ≤ 1

The 2SC4738-BL(TE85L,F qualifies as a manufacturer-recommended substitute based on matching electrical ratings and package compatibility, despite differences in transition frequency and maximum power dissipation.

Parameter Comparison

Engineering Selection Recommendations

The 2SC4738-BL(TE85L,F is designated as the manufacturer-recommended substitute for the 2PC4617S,115. Selection of this substitute is supported by the following factors:

Product Status: The 2SC4738-BL(TE85L,F maintains Active product status, ensuring continued availability and supply chain support, whereas the 2PC4617S,115 is Obsolete.

Electrical Compatibility: Both devices share identical voltage and current ratings (50 V, 150 mA). The substitute exhibits higher DC current gain (350 vs. 270 minimum), which provides improved bias efficiency. The transition frequency of the substitute (80 MHz) is lower than the main part (100 MHz), which is acceptable for most general-purpose switching applications.

Compliance: Both parts maintain RoHS compliance and MSL Level 1 rating, ensuring compatibility with modern manufacturing processes and long-term storage without moisture sensitivity concerns.

Thermal Considerations: The main part supports operation to 150°C, while the substitute is rated to 125°C. Applications requiring operation above 125°C require thermal analysis to confirm the substitute's suitability.

Power Dissipation: The substitute is rated at 100 mW maximum power dissipation compared to 150 mW for the main part. Circuit designs must ensure power dissipation does not exceed 100 mW when using the substitute.

Frequently Asked Questions (FAQ)

Q: Can the 2SC4738-BL(TE85L,F directly replace the 2PC4617S,115 in all applications?

A: Direct replacement is possible for applications where power dissipation remains below 100 mW and operating temperature does not exceed 125°C. The identical voltage and current ratings, combined with matching package specifications (SC-75, SOT-416), support pin-for-pin substitution. However, circuit performance must be validated, particularly in applications sensitive to transition frequency or thermal limits.

Q: What are the key differences between these two parts?

A: The primary differences are: (1) Power dissipation rating (150 mW vs. 100 mW), (2) Transition frequency (100 MHz vs. 80 MHz), (3) Maximum operating temperature (150°C vs. 125°C), and (4) Product status (Obsolete vs. Active). All other critical electrical parameters are equivalent.

Q: Are there package compatibility concerns?

A: Both parts use SC-75 and SOT-416 package designations, ensuring mechanical and electrical compatibility. No package-related modifications are required for substitution.

Q: How does the higher DC current gain of the substitute affect circuit design?

A: The substitute's higher minimum DC current gain (350 vs. 270) reduces base current requirements for a given collector current. This may improve switching efficiency and reduce power consumption in bias networks. Existing bias resistor values remain functional but may be optimized for the substitute's characteristics.

Q: Is the lower transition frequency of the substitute a limitation?

A: The 80 MHz transition frequency of the substitute is adequate for general-purpose switching and low-frequency amplification. Applications requiring operation above 80 MHz should be evaluated against specific frequency requirements before substitution.

Q: What compliance certifications apply to both parts?

A: Both the 2PC4617S,115 and 2SC4738-BL(TE85L,F are RoHS compliant and carry MSL Level 1 rating, indicating unlimited shelf life without moisture sensitivity concerns. Both are classified under ECCN EAR99 for export control purposes.