2SC2859-GR-TP Equivalent & Substitute Parts

Part Overview

The 2SC2859-GR-TP is an NPN bipolar junction transistor manufactured by Micro Commercial Co, designed for general-purpose switching and amplification applications. This device operates at a maximum collector current of 500 mA with a 30 V collector-emitter breakdown voltage and delivers 150 mW maximum power dissipation. The transistor is housed in a SOT-23 surface mount package and operates across a temperature range of -55°C to 150°C.

The 2SC2859-GR-TP is classified as obsolete. Locating equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications currently utilizing this component.

Substiute Parts

2SC2859-GR-TP

Micro Commercial CoIn Stock: 11452SC2859-GR-TP Datasheet

Current PartRFQ

2SCR502U3HZGT106

Rohm SemiconductorIn Stock: 19792SCR502U3HZGT106 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 2SC2859-GR-TP is determined by electrical and mechanical compatibility across the following critical parameters:

Electrical Compatibility Criteria:

• Transistor type must be NPN
• Maximum collector current (Ic) must be ≥ 500 mA
• Collector-emitter breakdown voltage (VCEO) must be ≥ 30 V
• Maximum power dissipation must be ≥ 150 mW
• DC current gain (hFE) minimum must be ≥ 200 at specified operating conditions
• Transition frequency must be ≥ 300 MHz
• Vce saturation characteristics must support the application's switching requirements

Mechanical Compatibility Criteria:

• Mounting type must be surface mount
• Package footprint must be compatible with SOT-23 or equivalent small-outline packages
• Lead configuration must support existing PCB layouts

Compliance Criteria:

• RoHS3 compliance required
• Moisture sensitivity level (MSL) of 1 or better

The 2SCR502U3HZGT106 manufactured by Rohm Semiconductor meets all electrical and mechanical substitution criteria for the 2SC2859-GR-TP.

Parameter Comparison

Engineering Selection Recommendations

2SCR502U3HZGT106 (Rohm Semiconductor)

This substitute part is qualified for direct replacement of the 2SC2859-GR-TP based on the following factors:

• Product Status: The 2SCR502U3HZGT106 is classified as active, ensuring ongoing availability and supply chain stability compared to the obsolete 2SC2859-GR-TP.
• Electrical Performance: All critical electrical parameters meet or exceed the original part specifications. The substitute provides higher maximum power dissipation (200 mW vs. 150 mW) and superior transition frequency (360 MHz vs. 300 MHz), offering improved performance margins.
• Compliance & Certification: The substitute maintains ROHS3 compliance and carries AEC-Q101 automotive qualification, indicating rigorous quality and reliability standards.
• Package Compatibility: Both SOT-23-3 and SOT-323 packages are small-outline surface mount formats with compatible pinouts and footprints suitable for existing PCB designs.
• Inventory Availability: The 2SCR502U3HZGT106 is currently in stock with 1944 units available, providing immediate procurement capability.

Frequently Asked Questions (FAQ)

Q: Can the 2SCR502U3HZGT106 be used as a direct drop-in replacement for the 2SC2859-GR-TP?

A: Yes. Both transistors are NPN types with identical maximum collector current (500 mA) and collector-emitter breakdown voltage (30 V). The substitute meets all electrical specifications of the original part. The SOT-323 package used by the substitute is mechanically compatible with SOT-23 footprints on existing PCBs.

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

A: The 2SCR502U3HZGT106 provides enhanced performance characteristics: maximum power dissipation of 200 mW (versus 150 mW), transition frequency of 360 MHz (versus 300 MHz), and higher Vce saturation at elevated collector currents. The substitute also carries AEC-Q101 automotive qualification and is currently in active production status.

Q: Are there any package considerations when switching from 2SC2859-GR-TP to 2SCR502U3HZGT106?

A: The 2SC2859-GR-TP uses SOT-23-3 packaging while the 2SCR502U3HZGT106 uses SOT-323 packaging. Both are small-outline surface mount packages with compatible pinout configurations. PCB layouts designed for SOT-23 can accommodate SOT-323 components without modification.

Q: Does the substitute part maintain the same compliance certifications?

A: Yes. Both parts are ROHS3 compliant with MSL rating of 1 (Unlimited). The substitute additionally carries AEC-Q101 automotive qualification, which exceeds the compliance requirements of the original part.

Q: What is the operating temperature range for the substitute part?

A: The 2SCR502U3HZGT106 operates up to a maximum junction temperature of 150°C, matching the upper temperature limit of the original 2SC2859-GR-TP. The original part specifies a lower temperature limit of -55°C; confirm application requirements for low-temperature operation.

Q: Is the DC current gain (hFE) specification compatible between these parts?

A: Yes. Both parts specify a minimum DC current gain of 200 at 100 mA collector current. The substitute is measured at 2V Vce while the original is measured at 1V Vce; both values are within acceptable operating ranges for typical switching applications.