PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SDT5508Transistor

Solitron Devices, Inc. · NSN 5961-00-422-0459 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-422-0459 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-422-0459. Primary manufacturer part number: SDT5508.
Features
  • Transistor — FSC 5961
  • Internal Configuration: JUNCTION CONTACT
  • Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 8.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
  • Current Rating Per Characteristic: 500.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 2.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
  • Features Provided: HERMETICALLY SEALED CASE
  • Terminal Circle Diameter: 0.200 INCHES NOMINAL IN
  • Power Rating Per Characteristic: 4.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
  • Terminal Length: 1.500 INCHES MINIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-422-0459, 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 Solitron Devices, Inc.. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 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
NSN5961-00-422-0459
Primary Part NumberSDT5508
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerSolitron Devices, Inc.
StatusACTIVE
Internal ConfigurationJUNCTION CONTACT
Voltage Rating in Volts Per Characteristic100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 8.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Current Rating Per Characteristic500.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 2.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Features ProvidedHERMETICALLY SEALED CASE
Terminal Circle Diameter0.200 INCHES NOMINAL IN
Power Rating Per Characteristic4.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Terminal Length1.500 INCHES MINIMUM IN
Overall Diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
Maximum Operating Temp Per Measurement Point200.0 CELSIUS JUNCTION DEGC
Semiconductor MaterialSILICON
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Mounting MethodTERMINAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-198-5407 INTERCHANGEABLE
Key,socket Head Screw
2610-00-269-7332 INTERCHANGEABLE
Inner Tube,pneumatic Tire,vehicu
2610-00-269-7378 INTERCHANGEABLE
Inner Tube,pneumatic Tire,vehicu
7810-00-485-1519RECKIT-1 INTERCHANGEABLE
Recreational Kit
F & M Micro Products Inc
2610-00-678-1363LN27C INTERCHANGEABLE
Tire,pneumatic,vehicular
Specialty Tires of America Inc
2640-00-696-04666167000.1 INTERCHANGEABLE
Flap,inner Tube,pneumatic Tire
Rex-Hide Industries Inc Sub of Rex-Hide Inc
4820-01-085-0756MA349-21006 INTERCHANGEABLE
Valve,control,winch
Am General Llc
5930-01-341-13037001-6 INTERCHANGEABLE
Switch,code Indicating Wheel
Electro Switch Corp. Dba Electro Switch Corp Div Digitran a Unit of Electro Switch
6130-01-431-9749ASPS-2 INTERCHANGEABLE
Power Supply
Electro-Plasma Inc Dba Epi Global
2610-01-432-7663 INTERCHANGEABLE
Inner Tube,pneumatic Tire,vehicu
Cross-Reference Index
Part NumberManufacturer
SDT5508 PRIMARY Solitron Devices, Inc. (USA)
70016 Espey Mfg. & Electronics Corp. (USA)
Related Parts
5120-00-198-5407INTERCHANGEABLE
KEY,SOCKET HEAD SCREW
2610-00-269-7332INTERCHANGEABLE
INNER TUBE,PNEUMATIC TIRE,VEHICU
2610-00-269-7378INTERCHANGEABLE
INNER TUBE,PNEUMATIC TIRE,VEHICU
7810-00-485-1519INTERCHANGEABLE
RECREATIONAL KIT
RECKIT-1
2610-00-678-1363INTERCHANGEABLE
TIRE,PNEUMATIC,VEHICULAR
LN27C
2640-00-696-0466INTERCHANGEABLE
FLAP,INNER TUBE,PNEUMATIC TIRE
6167000.1
4820-01-085-0756INTERCHANGEABLE
VALVE,CONTROL,WINCH
MA349-21006
5930-01-341-1303INTERCHANGEABLE
SWITCH,CODE INDICATING WHEEL
7001-6
6130-01-431-9749INTERCHANGEABLE
POWER SUPPLY
ASPS-2
2610-01-432-7663INTERCHANGEABLE
INNER TUBE,PNEUMATIC TIRE,VEHICU
1005-01-480-5367INTERCHANGEABLE
CAP,SPRING,WEAPON
70016
6515-01-566-1188INTERCHANGEABLE
CANNULA,ARTERIAL PERFUSION
70016

Frequently Asked Questions

What is NSN 5961-00-422-0459?

NSN 5961-00-422-0459 is a Transistor, manufactured by Solitron Devices, Inc., classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-00-422-0459?

NSN 5961-00-422-0459 has 2 cross-referenced part numbers: SDT5508 (Solitron Devices, Inc.), 70016 (Espey Mfg. & Electronics Corp.).

What NSN replaces 5961-00-422-0459?

There are 12 known substitutes for 5961-00-422-0459: 5120-00-198-5407, 2610-00-269-7332, 2610-00-269-7378 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SDT5508?

Key specifications for SDT5508: Internal Configuration: JUNCTION CONTACT; Voltage Rating in Volts Per Characteristic: 100.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 8.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN; Current Rating Per Characteristic: 500.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 2.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC; Overall Length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN. 14 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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