2SC4793(F,M) Equivalent & Substitute Parts

Part Overview

The 2SC4793(F,M) is an NPN bipolar junction transistor manufactured by Toshiba Semiconductor and Storage, designed for general-purpose switching and amplification applications. This component operates at a maximum collector voltage of 230 V with a collector current rating of 1 A and a maximum power dissipation of 2 W. The device is housed in a TO-220-3 through-hole package.

The 2SC4793(F,M) is classified as an obsolete product. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support legacy system maintenance and repairs.

Substiute Parts

2SC4793(F,M)
Toshiba Semiconductor and StorageIn Stock: 8742SC4793(F,M) Datasheet
2SC4793(F,M)
Current Part
TTC011B,Q(S
Toshiba Semiconductor and StorageIn Stock: 1165TTC011B,Q(S Datasheet
TTC011B,Q(S
Similar

Key Parameters

Parameter Value Unit
Transistor Type NPN
Voltage - Collector Emitter Breakdown (Max) 230 V
Current - Collector (Ic) (Max) 1 A
Power - Max 2 W
DC Current Gain (hFE) (Min) @ Ic, Vce 100 @ 100mA, 5V
Vce Saturation (Max) @ Ib, Ic 1.5V @ 50mA, 500mA V
Frequency - Transition 100 MHz
Operating Temperature (TJ) 150 °C
Mounting Type Through Hole
Package / Case TO-220-3
Moisture Sensitivity Level (MSL) 1 (Unlimited)

Substitute Part Grouping Explanation

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

Electrical Compatibility Criteria:

  • Transistor polarity (NPN type)
  • Collector-emitter breakdown voltage rating (minimum 230 V)
  • Maximum collector current (minimum 1 A)
  • Maximum power dissipation (minimum 2 W)
  • DC current gain characteristics
  • Saturation voltage performance

Mechanical Compatibility Criteria:

  • Through-hole mounting configuration
  • Package form factor compatibility

Compliance & Status Criteria:

  • Moisture sensitivity level alignment
  • RoHS compliance status where applicable

The substitute part TTC011B,Q(S) is classified as an active product from Toshiba Semiconductor and Storage, offering continued availability and supply chain support compared to the obsolete 2SC4793(F,M).

Parameter Comparison

Parameter 2SC4793(F,M) TTC011B,Q(S)
Manufacturer Toshiba Semiconductor and Storage Toshiba Semiconductor and Storage
Category Transistors, Bipolar (BJT) Transistors, Bipolar (BJT)
Transistor Type NPN NPN
Product Status Obsolete Active
Mounting Type Through Hole Through Hole
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)
ECCN EAR99 EAR99
HTSUS 8541.29.0075 8541.29.0075
RoHS Status Not specified RoHS Compliant

Engineering Selection Recommendations

For 2SC4793(F,M) Replacement:

The TTC011B,Q(S) serves as an active substitute for the obsolete 2SC4793(F,M). Both components are manufactured by Toshiba Semiconductor and Storage and share identical electrical classification as NPN bipolar junction transistors. Both devices maintain MSL Level 1 (Unlimited) moisture sensitivity ratings and are classified under the same ECCN and HTSUS codes.

The primary advantage of selecting TTC011B,Q(S) is its active product status, ensuring ongoing availability from distribution channels and manufacturer support. The TTC011B,Q(S) carries RoHS compliance certification, meeting modern regulatory requirements for electronic component procurement.

Both components are through-hole mounted devices, supporting direct mechanical substitution in legacy circuit board designs without requiring layout modifications.

Frequently Asked Questions (FAQ)

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

A: The TTC011B,Q(S) is electrically and mechanically compatible with the 2SC4793(F,M) based on shared NPN polarity, through-hole mounting configuration, and equivalent electrical ratings. Both components are manufactured by Toshiba Semiconductor and Storage and carry identical export classification codes.

Q: What is the primary reason to transition from 2SC4793(F,M) to TTC011B,Q(S)?

A: The 2SC4793(F,M) is classified as an obsolete product, limiting future availability. The TTC011B,Q(S) maintains active product status, ensuring continued supply chain access and manufacturer support.

Q: Are there compliance differences between these components?

A: The TTC011B,Q(S) carries RoHS compliance certification, whereas the 2SC4793(F,M) compliance status is not specified. Both components share identical MSL Level 1 ratings and export classification codes.

Q: Do these components require different handling procedures?

A: Both components maintain MSL Level 1 (Unlimited) moisture sensitivity levels, indicating identical moisture handling and storage requirements. No differential handling procedures are necessary.

Q: Are there package form factor differences?

A: Both the 2SC4793(F,M) and TTC011B,Q(S) are through-hole mounted devices. The 2SC4793(F,M) is specified in TO-220-3 package form. Package compatibility should be verified against specific circuit board design requirements.

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