PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SP257Transistor

Gpd Optoelectronics Corp. Div Gpd Optoelectronics · NSN 5961-00-882-1802 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-882-1802 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-882-1802. Primary manufacturer part number: SP257.
Features
  • Transistor — FSC 5961
  • Internal Configuration: JUNCTION CONTACT
  • Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS JUNCTION DEGC
  • Mounting Method: THREADED STUD(S)
  • Nominal Thread Size: 0.190 INCHES IN
  • Features Provided: HERMETICALLY SEALED CASE
  • Terminal Type and Quantity: 3 TAB, SOLDER LUG
  • Voltage Rating in Volts Per Characteristic: 80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 60.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-882-1802, 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 Gpd Optoelectronics Corp. Div Gpd Optoelectronics. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, 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
NSN5961-00-882-1802
Primary Part NumberSP257
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerGpd Optoelectronics Corp. Div Gpd Optoelectronics
StatusACTIVE
Internal ConfigurationJUNCTION CONTACT
Maximum Operating Temp Per Measurement Point100.0 CELSIUS JUNCTION DEGC
Mounting MethodTHREADED STUD(S)
Nominal Thread Size0.190 INCHES IN
Features ProvidedHERMETICALLY SEALED CASE
Terminal Type and Quantity3 TAB, SOLDER LUG
Voltage Rating in Volts Per Characteristic80.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 60.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Mounting Facility Quantity1
Thread Series DesignatorUNF
Current Rating Per Characteristic4.00 AMPERES MAXIMUM BASE CURRENT, DC AND 15.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Semiconductor MaterialGERMANIUM
Power Rating Per Characteristic30.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Overall Diameter1.250 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5915-00-162-8746SM-C-586350 INTERCHANGEABLE
Filter,radio Frequency Interfere
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
Cross-Reference Index
Part NumberManufacturer
SP257 Freescale Semiconductor, Inc. (USA)
BACT4D1 The Boeing Company Div Defense (USA)
SP257 Lansdale Semiconductor, Inc. (USA)
SP257 PRIMARY Gpd Optoelectronics Corp. Div Gpd Optoelectronics (USA)
Related Parts
5915-00-162-8746INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
SM-C-586350

Frequently Asked Questions

What is NSN 5961-00-882-1802?

NSN 5961-00-882-1802 is a Transistor, manufactured by Gpd Optoelectronics Corp. Div Gpd Optoelectronics, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-882-1802?

NSN 5961-00-882-1802 has 4 cross-referenced part numbers: SP257 (Freescale Semiconductor, Inc.), BACT4D1 (The Boeing Company Div Defense), SP257 (Lansdale Semiconductor, Inc.), SP257 (Gpd Optoelectronics Corp. Div Gpd Optoelectronics).

What NSN replaces 5961-00-882-1802?

There is 1 known substitute for 5961-00-882-1802: 5915-00-162-8746. Verify interchangeability with system specifications before substitution.

What are the specifications of SP257?

Key specifications for SP257: Internal Configuration: JUNCTION CONTACT; Maximum Operating Temp Per Measurement Point: 100.0 CELSIUS JUNCTION DEGC; Mounting Method: THREADED STUD(S); Nominal Thread Size: 0.190 INCHES IN. 15 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com