PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1855-0555Transistor

Keysight Technologies Inc · NSN 5961-01-326-7680 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-326-7680 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-326-7680. Primary manufacturer part number: 1855-0555.
Features
  • Transistor — FSC 5961
  • Semiconductor Material: SILICON
  • Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-92
  • Internal Configuration: FIELD EFFECT
  • Mounting Method: TERMINAL
  • Material: PLASTIC ENCLOSURE
  • Terminal Length: 0.500 INCHES MINIMUM IN
  • Current Rating Per Characteristic: 10.00 MICROAMPERES MAXIMUM ZERO-GATE-VOLTAGE DRAIN CURRENT AND 100.00 NANOAMPERES MAXIMUM REVERSE GATE CURRENT WITH ALL OTHER TERMINALS SHORT-CIRCUIT TO SOURCE, JUNCTION-GATE
Applications
  • Applications requiring Plastic Enclosure construction
General Description

The Transistor, cataloged under National Stock Number 5961-01-326-7680, 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 Keysight Technologies Inc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-326-7680
Primary Part Number1855-0555
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerKeysight Technologies Inc
StatusACTIVE
Semiconductor MaterialSILICON
Joint Electronic Device Engineering Council/jedec/case Outline DesignationTO-92
Internal ConfigurationFIELD EFFECT
Mounting MethodTERMINAL
MaterialPLASTIC ENCLOSURE
Terminal Length0.500 INCHES MINIMUM IN
Current Rating Per Characteristic10.00 MICROAMPERES MAXIMUM ZERO-GATE-VOLTAGE DRAIN CURRENT AND 100.00 NANOAMPERES MAXIMUM REVERSE GATE CURRENT WITH ALL OTHER TERMINALS SHORT-CIRCUIT TO SOURCE, JUNCTION-GATE
Maximum Operating Temp Per Measurement Point150.0 CELSIUS JUNCTION DEGC
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Voltage Rating in Volts Per Characteristic30.0 MINIMUM BREAKDOWN VOLTAGE, DRAIN-TO-SOURCE, WITH ALL OTHER TERMINALS SHORT-CIRCUITED TO SOURCE
Power Rating Per Characteristic400.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5815-00-126-817474197 INTERCHANGEABLE
Roller,bail
Telemechanics Inc
5340-00-535-7222 INTERCHANGEABLE
Clevis,rod End
5310-00-655-9969 INTERCHANGEABLE
Washer,spring Tension
2530-01-085-407374197 INTERCHANGEABLE
Hub Cap
Hdt Expeditionary Systems Inc
5330-01-311-704674197 INTERCHANGEABLE
Packing Assembly
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
Cross-Reference Index
Part NumberManufacturer
VN0300L Freescale Semiconductor, Inc. (USA)
1855-0555 Keysight Technologies, Inc. (USA)
VN0300L Siliconix Incorporated Div Siliconix (USA)
1855-0555 PRIMARY Keysight Technologies Inc (USA)
1855-0555 Hewlett-Packard Company Dba HP (USA)
74197 Gdi Simulation (FRA)
VN0300L On Semiconductor Corporation (USA)
Related Parts
5815-00-126-8174INTERCHANGEABLE
ROLLER,BAIL
74197
5340-00-535-7222INTERCHANGEABLE
CLEVIS,ROD END
5310-00-655-9969INTERCHANGEABLE
WASHER,SPRING TENSION
2530-01-085-4073INTERCHANGEABLE
HUB CAP
74197
5330-01-311-7046INTERCHANGEABLE
PACKING ASSEMBLY
74197

Frequently Asked Questions

What is NSN 5961-01-326-7680?

NSN 5961-01-326-7680 is a Transistor, manufactured by Keysight Technologies Inc, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-326-7680?

NSN 5961-01-326-7680 has 7 cross-referenced part numbers: VN0300L (Freescale Semiconductor, Inc.), 1855-0555 (Keysight Technologies, Inc.), VN0300L (Siliconix Incorporated Div Siliconix), 1855-0555 (Keysight Technologies Inc), 1855-0555 (Hewlett-Packard Company Dba HP) and 2 more.

What NSN replaces 5961-01-326-7680?

There are 5 known substitutes for 5961-01-326-7680: 5815-00-126-8174, 5340-00-535-7222, 5310-00-655-9969 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1855-0555?

Key specifications for 1855-0555: Semiconductor Material: SILICON; Joint Electronic Device Engineering Council/jedec/case Outline Designation: TO-92; Internal Configuration: FIELD EFFECT; Mounting Method: TERMINAL. 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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