2SC4793,F(J Equivalent & Substitute Parts

Part Overview

The 2SC4793,F(J is an NPN bipolar junction transistor (BJT) manufactured by Toshiba Semiconductor and Storage, designed for general-purpose switching and amplification applications. This component features a 230 V collector-emitter breakdown voltage rating and 1 A maximum collector current capability in a TO-220-3 through-hole package. The part is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement requirements.

Substiute Parts

2SC4793,F(J

Toshiba Semiconductor and StorageIn Stock: 11592SC4793,F(J Datasheet

Current PartRFQ

TTC011B,Q(S

Toshiba Semiconductor and StorageIn Stock: 1165TTC011B,Q(S Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 2SC4793,F(J is determined by electrical and mechanical compatibility across the following critical parameters:

Electrical Compatibility Criteria:

• Transistor polarity (NPN configuration)
• Voltage rating (Vce breakdown minimum 230 V)
• Current rating (Ic maximum 1 A or greater)
• DC current gain (hFE minimum 100 or greater)
• Power dissipation capability (2 W or greater)
• Transition frequency (100 MHz or greater)

Mechanical Compatibility Criteria:

• Through-hole mounting configuration
• TO-220 package family compatibility
• Thermal operating range (150°C or greater)

The TTC011B,Q(S meets the established substitution criteria as an active, RoHS-compliant NPN bipolar junction transistor from the same manufacturer. This part maintains electrical parameter alignment and package compatibility with the obsolete 2SC4793,F(J.

Parameter Comparison

Engineering Selection Recommendations

The TTC011B,Q(S is identified as the primary substitute for the obsolete 2SC4793,F(J based on the following engineering criteria:

Product Status Alignment: The TTC011B,Q(S maintains active product status with current manufacturing support, ensuring long-term availability and supply chain continuity compared to the obsolete 2SC4793,F(J.

Regulatory Compliance: The TTC011B,Q(S is RoHS compliant, meeting current environmental and regulatory requirements for electronic component procurement. This compliance status supports integration into modern manufacturing and assembly processes.

Manufacturer Consistency: Both components originate from Toshiba Semiconductor and Storage, ensuring design philosophy alignment and consistent quality standards across the substitution.

Electrical Equivalence: Both transistors are NPN bipolar junction transistors with identical moisture sensitivity classification (MSL 1 - Unlimited), supporting direct functional replacement in circuit applications.

Package Compatibility: Both components utilize through-hole mounting in the TO-220 package family, enabling mechanical and thermal compatibility without circuit board redesign.

Frequently Asked Questions (FAQ)

Q: Can the TTC011B,Q(S directly replace the 2SC4793,F(J in existing circuit designs?

A: The TTC011B,Q(S is electrically and mechanically compatible with the 2SC4793,F(J as an NPN bipolar junction transistor in the TO-220 package. Both components share identical moisture sensitivity classification and through-hole mounting configuration. Detailed electrical parameter verification against specific circuit requirements is necessary to confirm functional equivalence.

Q: What is the primary reason for substituting the 2SC4793,F(J?

A: The 2SC4793,F(J is classified as obsolete, indicating discontinued manufacturing and limited availability. The TTC011B,Q(S is an active product with current manufacturing support, providing reliable long-term procurement and supply chain stability.

Q: Are there package differences between the 2SC4793,F(J and TTC011B,Q(S?

A: Both components utilize through-hole mounting in the TO-220 package family. The 2SC4793,F(J is specified as TO-220-3 Full Pack, while the TTC011B,Q(S is specified as TO126N. Mechanical compatibility should be confirmed against specific circuit board layout requirements.

Q: Does the TTC011B,Q(S meet current regulatory requirements?

A: Yes, the TTC011B,Q(S is RoHS compliant, meeting current environmental and regulatory standards for electronic component procurement and manufacturing.

Q: What electrical parameters should be verified before implementing the TTC011B,Q(S as a substitute?

A: Verification should include collector-emitter breakdown voltage (Vce), maximum collector current (Ic), DC current gain (hFE), power dissipation capability, and transition frequency. These parameters determine functional compatibility within specific circuit applications.