PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MMBT3904Transistor

Vishay Intertechnology, Inc. · NSN 5961-01-633-4855 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-633-4855 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-633-4855. Primary manufacturer part number: MMBT3904.
Features
  • Transistor — FSC 5961
  • Internal Junction Configuration: NPN
  • Mounting Method: PRESS FIT
  • Mounting Facility Quantity: 3
  • 1 verified cross-reference
  • Primary manufacturer: Vishay Intertechnology, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-633-4855, is classified within Federal Supply Class 5961 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Vishay Intertechnology, Inc.. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-633-4855
Primary Part NumberMMBT3904
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerVishay Intertechnology, Inc.
StatusACTIVE
Internal Junction ConfigurationNPN
Mounting MethodPRESS FIT
Mounting Facility Quantity3
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5961-01-214-2382483743 INTERCHANGEABLE
Transistor
Fluke Corp
Cross-Reference Index
Part NumberManufacturer
MMBT3904 PRIMARY Vishay Intertechnology, Inc. (USA)
Related Parts
5961-01-214-2382INTERCHANGEABLE
TRANSISTOR
483743

Frequently Asked Questions

What is NSN 5961-01-633-4855?

NSN 5961-01-633-4855 is a Transistor, manufactured by Vishay Intertechnology, Inc., classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-633-4855?

NSN 5961-01-633-4855 has 1 cross-referenced part number: MMBT3904 (Vishay Intertechnology, Inc.).

What NSN replaces 5961-01-633-4855?

There is 1 known substitute for 5961-01-633-4855: 5961-01-214-2382. Verify interchangeability with system specifications before substitution.

What are the specifications of MMBT3904?

Key specifications for MMBT3904: Part Name Assigned by Controlling Agency: SMALL TRANSISTOR; Overall Width: 1.43 MILLIMETERS NOMINAL MM; Internal Junction Configuration: NPN; Overall Length: 3.10 MILLIMETERS NOMINAL MM. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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