PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

2N5770Transistor

Fairchild Semiconductor Corp · NSN 5961-01-031-4278 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-031-4278 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-031-4278. Primary manufacturer part number: 2N5770.
Features
  • Transistor — FSC 5961
  • Mounting Method: TERMINAL
  • Semiconductor Material: SILICON
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Current Rating Per Characteristic: 50.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Internal Configuration: JUNCTION CONTACT
  • Voltage Rating in Volts Per Characteristic: 30.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 15.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 4.5 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
  • 6 verified cross-references
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-01-031-4278, 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 Fairchild Semiconductor Corp. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-031-4278
Primary Part Number2N5770
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerFairchild Semiconductor Corp
StatusACTIVE
Mounting MethodTERMINAL
Semiconductor MaterialSILICON
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Current Rating Per Characteristic50.00 MILLIAMPERES MAXIMUM COLLECTOR CURRENT, DC
Internal ConfigurationJUNCTION CONTACT
Voltage Rating in Volts Per Characteristic30.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 15.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 4.5 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2925-00-137-12037550 INTERCHANGEABLE
Post
Te Connectivity Corporation
2805-00-173-2682375500 INTERCHANGEABLE
Housing
Brp Us Inc
5961-00-417-4108 INTERCHANGEABLE
Transistor
5975-00-470-2320 INTERCHANGEABLE
Cable Nipple,electrical
6510-00-546-7677 INTERCHANGEABLE
Towel Pack,surgical
2520-00-562-87837550 INTERCHANGEABLE
Shaft,shifter
Eaton Corp Transmission Div
3030-00-844-278413551 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5961-01-004-1055 INTERCHANGEABLE
Transistor
5961-01-005-9892 INTERCHANGEABLE
Transistor
5330-01-047-60527550 INTERCHANGEABLE
Seal
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
Cross-Reference Index
Part NumberManufacturer
2N5770 Fairchild Semiconductor Corp (USA)
RELEASE 6519 Electronic Industries Association
2N5770 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
2N5770 Electronic Industries Association
7550 Harris Corporation Div Microwave Communication Division (USA)
2N5770 Renesas Electronics America Inc (USA)
Related Parts
2925-00-137-1203INTERCHANGEABLE
POST
7550
2805-00-173-2682INTERCHANGEABLE
HOUSING
375500
5961-00-417-4108INTERCHANGEABLE
TRANSISTOR
5975-00-470-2320INTERCHANGEABLE
CABLE NIPPLE,ELECTRICAL
6510-00-546-7677INTERCHANGEABLE
TOWEL PACK,SURGICAL
2520-00-562-8783INTERCHANGEABLE
SHAFT,SHIFTER
7550
3030-00-844-2784INTERCHANGEABLE
BELT,V
13551
5961-01-004-1055INTERCHANGEABLE
TRANSISTOR
5961-01-005-9892INTERCHANGEABLE
TRANSISTOR
5330-01-047-6052INTERCHANGEABLE
SEAL
7550
6510-01-171-9722INTERCHANGEABLE
BANDAGE,ADHESIVE
7550-
3020-01-203-7685INTERCHANGEABLE
GEAR CLUSTER

Frequently Asked Questions

What is NSN 5961-01-031-4278?

NSN 5961-01-031-4278 is a Transistor, manufactured by Fairchild Semiconductor Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-031-4278?

NSN 5961-01-031-4278 has 6 cross-referenced part numbers: 2N5770 (Fairchild Semiconductor Corp), RELEASE 6519 (Electronic Industries Association), 2N5770 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 2N5770 (Electronic Industries Association), 7550 (Harris Corporation Div Microwave Communication Division) and 1 more.

What NSN replaces 5961-01-031-4278?

There are 12 known substitutes for 5961-01-031-4278: 2925-00-137-1203, 2805-00-173-2682, 5961-00-417-4108 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 2N5770?

Key specifications for 2N5770: Mounting Method: TERMINAL; Semiconductor Material: SILICON; Special Features: JUNCTION PATTERN ARRANGEMENT: NPN; Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD. 10 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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