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

Part Overview

The 2SC2235-Y,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-Y,F(J is classified as an obsolete product. Identification of equivalent and substitute parts is necessary for design continuity, legacy system maintenance, and procurement of replacement components where original inventory is depleted or unavailable.

Key Parameters

Parameter	Value	Unit
Transistor Type	NPN	—
Current - Collector (Ic) (Max)	800	mA
Voltage - Collector Emitter Breakdown (Max)	120	V
Vce Saturation (Max) @ Ib, Ic	1 V @ 50 mA, 500 mA	—
Current - Collector Cutoff (Max)	100	nA
DC Current Gain (hFE) (Min) @ Ic, Vce	80 @ 100 mA, 5 V	—
Power - Max	900	mW
Frequency - Transition	120	MHz
Operating Temperature (TJ)	150	°C
Mounting Type	Through Hole	—
Package / Case	TO-226-3, TO-92-3 Long Body	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the 2SC2235-Y,F(J is determined by electrical and mechanical parameter equivalence within the NPN bipolar junction transistor category. The following parameters establish the substitution criteria:

Electrical Parameters (Critical):

Transistor Type: NPN
Maximum Collector Current (Ic): 800 mA
Collector-Emitter Breakdown Voltage (VCEO): 120 V
Vce Saturation: 1 V @ 50 mA, 500 mA
Collector Cutoff Current (ICBO): 100 nA
DC Current Gain (hFE): Minimum 80 @ 100 mA, 5 V
Transition Frequency: 120 MHz
Maximum Power Dissipation: 900 mW
Operating Temperature: 150°C (TJ)

Mechanical Parameters:

Mounting Type: Through Hole or Surface Mount
Package Classification: TO-92-3 Long Body or equivalent footprint

The 2SC2881-Y(TE12L,ZC meets the electrical parameter requirements for substitution. However, this part differs in mounting type (Surface Mount versus Through Hole) and package configuration (PW-MINI versus TO-92MOD), which affects physical integration into existing designs.

Parameter Comparison

Parameter	2SC2235-Y,F(J	2SC2881-Y(TE12L,ZC	Match Status
Transistor Type	NPN	NPN	Equivalent
Current - Collector (Ic) (Max)	800 mA	800 mA	Equivalent
Voltage - Collector Emitter Breakdown (Max)	120 V	120 V	Equivalent
Vce Saturation (Max) @ Ib, Ic	1 V @ 50 mA, 500 mA	1 V @ 50 mA, 500 mA	Equivalent
Current - Collector Cutoff (Max)	100 nA	100 nA	Equivalent
DC Current Gain (hFE) (Min) @ Ic, Vce	80 @ 100 mA, 5 V	120 @ 100 mA, 5 V	Substitute (Higher Gain)
Frequency - Transition	120 MHz	120 MHz	Equivalent
Operating Temperature (TJ)	150°C	150°C	Equivalent
Power - Max	900 mW	500 mW	Substitute (Lower Rating)
Mounting Type	Through Hole	Surface Mount	Different
Package / Case	TO-226-3, TO-92-3 Long Body	TO-243AA (PW-MINI)	Different
Product Status	Obsolete	Active	Substitute (Active)

Engineering Selection Recommendations

Electrical Compatibility: The 2SC2881-Y(TE12L,ZC satisfies all critical electrical parameters required for substitution of the 2SC2235-Y,F(J. Both devices operate at identical maximum collector current (800 mA), breakdown voltage (120 V), saturation voltage, cutoff current, and transition frequency (120 MHz). The DC current gain of the 2SC2881-Y(TE12L,ZC is higher (120 versus 80 minimum), which does not preclude substitution in applications where the original part's gain specification is met.

Power Dissipation Consideration: The 2SC2881-Y(TE12L,ZC has a maximum power rating of 500 mW, compared to 900 mW for the 2SC2235-Y,F(J. This reduction in power dissipation capacity must be evaluated against the thermal requirements of the target application. Applications requiring sustained power dissipation above 500 mW are not suitable for this substitute.

Packaging and Mounting: The 2SC2235-Y,F(J uses Through Hole mounting in a TO-92MOD package, while the 2SC2881-Y(TE12L,ZC is a Surface Mount device in a PW-MINI (TO-243AA) package. These differences require circuit board redesign and assembly process modification. Direct pin-for-pin substitution on existing Through Hole printed circuit boards is not possible without adapter components or board rework.

Product Status: The 2SC2235-Y,F(J is classified as obsolete, while the 2SC2881-Y(TE12L,ZC is an active product with 138,200 units in stock. The active status of the substitute part ensures long-term availability and supply chain continuity.

Compliance and Certifications: The 2SC2881-Y(TE12L,ZC is RoHS3 Compliant and REACH Unaffected, providing regulatory alignment with current environmental and hazardous substance restrictions. Both parts carry an ECCN classification of EAR99 and identical HTSUS codes, indicating equivalent export control and tariff treatment.

Frequently Asked Questions (FAQ)

Q: Can the 2SC2881-Y(TE12L,ZC be used as a direct replacement for the 2SC2235-Y,F(J in existing designs?

A: Electrical substitution is possible based on matched electrical parameters. However, physical substitution requires circuit board modification due to different mounting types (Surface Mount versus Through Hole) and package configurations (PW-MINI versus TO-92MOD). Direct pin-for-pin replacement on existing Through Hole boards is not feasible without board redesign or adapter components.

Q: What is the significance of the higher DC current gain (hFE) in the 2SC2881-Y(TE12L,ZC?

A: The 2SC2881-Y(TE12L,ZC has a minimum DC current gain of 120 @ 100 mA, 5 V, compared to 80 for the 2SC2235-Y,F(J. A higher gain value does not prevent substitution; it indicates improved current amplification capability. Applications designed for the original part's gain specification will operate within acceptable parameters with the substitute part.

Q: How does the reduced power rating of the 2SC2881-Y(TE12L,ZC affect substitution suitability?

A: The 2SC2881-Y(TE12L,ZC has a maximum power dissipation of 500 mW versus 900 mW for the 2SC2235-Y,F(J. Substitution is appropriate only for applications where sustained power dissipation does not exceed 500 mW. Applications requiring higher power handling must retain the original part or identify alternative substitutes with higher power ratings.

Q: Are there compliance or regulatory differences between these parts?

A: The 2SC2881-Y(TE12L,ZC carries RoHS3 Compliance and REACH Unaffected certifications, providing alignment with current environmental regulations. Both parts share identical ECCN (EAR99) and HTSUS classifications, indicating equivalent export control and tariff treatment. The substitute part offers improved regulatory compliance for new designs.

Q: What is the inventory status of these parts?

A: The 2SC2235-Y,F(J is an obsolete product with 682 units in stock. The 2SC2881-Y(TE12L,ZC is an active product with 138,200 units available. The active status and significantly higher inventory of the substitute part support long-term design continuity and supply chain reliability.

Q: Are the thermal operating ranges identical?

A: Both parts operate at an identical maximum junction temperature (TJ) of 150°C. Thermal performance characteristics are equivalent within the specified operating range.

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