2SC2235-O,F(J Equivalent & Substitute Parts

Part Overview

The 2SC2235-O,F(J is an NPN bipolar junction transistor manufactured by Toshiba Semiconductor and Storage, designed for general-purpose switching and amplification applications. This device features a maximum collector current of 800 mA, collector-emitter breakdown voltage of 120 V, and a transition frequency of 120 MHz. The component is packaged in a Through Hole TO-92MOD configuration with a maximum power dissipation of 900 mW.

The 2SC2235-O,F(J is classified as obsolete. Locating equivalent or substitute components becomes necessary when original stock is depleted or when design requirements favor active product lines with extended availability and supply chain stability.

Substiute Parts

2SC2235-O,F(J

Toshiba Semiconductor and StorageIn Stock: 8812SC2235-O,F(J Datasheet

Current PartRFQ

2SC2881-Y(TE12L,ZC

Toshiba Semiconductor and StorageIn Stock: 1383032SC2881-Y(TE12L,ZC Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 2SC2235-O,F(J is determined by electrical and mechanical parameter compatibility. The following criteria establish valid substitute relationships:

Electrical Parameters (Required Match):

• Transistor Type: NPN
• Maximum Collector Current (Ic): 800 mA
• Collector-Emitter Breakdown Voltage (VCEO): 120 V
• Vce Saturation characteristics: 1 V @ 50 mA, 500 mA
• Collector Cutoff Current (ICBO): 100 nA
• Transition Frequency: 120 MHz
• Operating Temperature: 150°C (TJ)

Mechanical Considerations:

• Mounting Type and Package configuration determine physical compatibility with existing PCB layouts and assembly processes

The 2SC2881-Y(TE12L,ZC meets all electrical parameter requirements. However, this substitute differs in mounting technology (Surface Mount versus Through Hole) and power dissipation rating (500 mW versus 900 mW). These differences require evaluation based on application-specific thermal and layout constraints.

Parameter Comparison

Engineering Selection Recommendations

2SC2881-Y(TE12L,ZC as Substitute:

The 2SC2881-Y(TE12L,ZC is an active product with equivalent electrical performance across all critical parameters: collector current, breakdown voltage, saturation characteristics, cutoff current, and transition frequency. The substitute exhibits a higher DC current gain (120 versus 80 at 100 mA, 5 V), which provides improved switching efficiency in base-driven applications.

Critical Considerations:

1. Mounting Technology Transition: The substitute requires conversion from Through Hole (TO-92MOD) to Surface Mount (PW-MINI, TO-243AA) assembly. This necessitates PCB redesign and updated assembly processes.

2. Power Dissipation Derating: The substitute has a maximum power rating of 500 mW compared to the original 900 mW. Applications requiring sustained power dissipation above 500 mW require thermal analysis and potential circuit redesign to ensure the substitute operates within its power envelope.

3. Compliance Status: The 2SC2881-Y(TE12L,ZC is RoHS3 Compliant and REACH Unaffected, providing regulatory alignment with current environmental standards.

4. Supply Availability: The substitute has 138,200 units in stock, ensuring supply chain continuity compared to the obsolete original part.

Frequently Asked Questions (FAQ)

Q: Can the 2SC2881-Y(TE12L,ZC directly replace the 2SC2235-O,F(J in existing designs?

A: Electrical substitution is valid based on matched parameters. However, physical substitution requires PCB modification due to different package types (Through Hole versus Surface Mount). Direct socket replacement is not possible without adapter solutions or board redesign.

Q: What is the significance of the higher DC current gain in the substitute?

A: The 2SC2881-Y(TE12L,ZC exhibits a minimum DC current gain of 120 compared to 80 in the original part at identical test conditions (100 mA, 5 V). This higher gain reduces base current requirements for equivalent collector current, improving switching efficiency and reducing power dissipation in the base circuit.

Q: Does the lower power rating of the substitute affect compatibility?

A: The substitute's 500 mW maximum power rating is lower than the original 900 mW. Applications operating near or above 500 mW continuous dissipation require thermal analysis. If the original design operated below 500 mW, the substitute is suitable. If sustained dissipation exceeds 500 mW, circuit modifications or alternative components are necessary.

Q: Are there package-specific considerations for the substitute?

A: Yes. The 2SC2881-Y(TE12L,ZC uses the PW-MINI package (TO-243AA), a surface mount configuration. This requires SMT assembly equipment and PCB layout modifications compared to the Through Hole TO-92MOD original. Lead spacing, thermal characteristics, and board routing differ significantly.

Q: What compliance certifications apply to the substitute?

A: The 2SC2881-Y(TE12L,ZC is RoHS3 Compliant and REACH Unaffected, meeting current environmental and hazardous substance regulations. The original 2SC2235-O,F(J compliance status is not specified in available data.

Q: Is the substitute suitable for high-frequency applications?

A: Both devices share identical transition frequency specifications (120 MHz), confirming equivalent high-frequency performance. The substitute is suitable for applications requiring this frequency range.