PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40412ATransistor

Lacon Electronic Gmbh · NSN 5961-00-458-9585 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-00-458-9585 — this item is cataloged by the U.S. Government under National Stock Number 5961-00-458-9585. Primary manufacturer part number: 40412A.
Features
  • Transistor — FSC 5961
  • Semiconductor Material: SILICON
  • Internal Configuration: JUNCTION CONTACT
  • Mounting Method: UNTHREADED HOLE(S)
  • Voltage Rating in Volts Per Characteristic: 700.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 700.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
  • Terminal Type and Quantity: 3 UNINSULATED WIRE LEAD
  • Features Provided: HERMETICALLY SEALED CASE
  • Overall Diameter: 0.375 INCHES MAXIMUM IN
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Transistor, cataloged under National Stock Number 5961-00-458-9585, 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 Lacon Electronic Gmbh. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5961-00-458-9585
Primary Part Number40412A
Item NameTransistor
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerLacon Electronic Gmbh
StatusCANCELLED
Semiconductor MaterialSILICON
Internal ConfigurationJUNCTION CONTACT
Mounting MethodUNTHREADED HOLE(S)
Voltage Rating in Volts Per Characteristic700.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 700.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
Terminal Type and Quantity3 UNINSULATED WIRE LEAD
Features ProvidedHERMETICALLY SEALED CASE
Overall Diameter0.375 INCHES MAXIMUM IN
Current Rating Per Characteristic500.00 MILLIAMPERES MAXIMUM BASE CURRENT, DC AND 1.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
Mounting Facility Quantity2
Power Rating Per Characteristic2.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5315-00-054-4134544134 INTERCHANGEABLE
Pin,tapered,plain
U S Army Tank Automotive Command Amsta-Im-Mm
5950-00-080-5306 INTERCHANGEABLE
Transformer,power
4720-00-118-339440412 INTERCHANGEABLE
Hose,nonmetallic
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
5950-00-230-81409230-68 INTERCHANGEABLE
Coil,radio Frequency
Bourns Inc
3040-00-314-14304501-205-G INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
2920-00-718-1971IAY4401 INTERCHANGEABLE
Distributor,ignition System
Prestolite Electric Inc
4310-01-021-1447 INTERCHANGEABLE
Ring,compressor
6210-01-047-577340412 INTERCHANGEABLE
Insert,legend,light Indicator
Switchcraft Inc.
5961-01-124-0626 INTERCHANGEABLE
Transistor
6515-01-451-1354404-12 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
40412A Lacon Electronic Gmbh (DEU)
923068 Thales Uk Limited Secure Communications and Information Systems (GBR)
40412 Renesas Electronics America Inc (USA)
40412 Itt Industrial and Automation Systems (USA)
40412A Adelco Elektronik Gmbh (DEU)
923068 Racal Communications Systems Ltd (GBR)
531-241-015 Elettronica Spa (ITA)
531-241-015 Elettronica Gmbh (DEU)
TQ5171 Renesas Electronics America Inc (USA)
Related Parts
5315-00-054-4134INTERCHANGEABLE
PIN,TAPERED,PLAIN
544134
5950-00-080-5306INTERCHANGEABLE
TRANSFORMER,POWER
4720-00-118-3394INTERCHANGEABLE
HOSE,NONMETALLIC
40412
5950-00-230-8140INTERCHANGEABLE
COIL,RADIO FREQUENCY
9230-68
3040-00-314-1430INTERCHANGEABLE
CONNECTING LINK,RIGID
4501-205-G
2920-00-718-1971INTERCHANGEABLE
DISTRIBUTOR,IGNITION SYSTEM
IAY4401
4310-01-021-1447INTERCHANGEABLE
RING,COMPRESSOR
6210-01-047-5773INTERCHANGEABLE
INSERT,LEGEND,LIGHT INDICATOR
40412
5961-01-124-0626INTERCHANGEABLE
TRANSISTOR
6515-01-451-1354INTERCHANGEABLE
SCREW,BONE
404-12
1630-01-601-4742INTERCHANGEABLE
WHEEL,LANDING GEAR
40-412

Frequently Asked Questions

What is NSN 5961-00-458-9585?

NSN 5961-00-458-9585 is a Transistor, manufactured by Lacon Electronic Gmbh, classified under FSC 5961 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5961-00-458-9585?

NSN 5961-00-458-9585 has 9 cross-referenced part numbers: 40412A (Lacon Electronic Gmbh), 923068 (Thales Uk Limited Secure Communications and Information Systems), 40412 (Renesas Electronics America Inc), 40412 (Itt Industrial and Automation Systems), 40412A (Adelco Elektronik Gmbh) and 4 more.

What NSN replaces 5961-00-458-9585?

There are 11 known substitutes for 5961-00-458-9585: 5315-00-054-4134, 5950-00-080-5306, 4720-00-118-3394 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40412A?

Key specifications for 40412A: Semiconductor Material: SILICON; Internal Configuration: JUNCTION CONTACT; Mounting Method: UNTHREADED HOLE(S); Voltage Rating in Volts Per Characteristic: 700.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 700.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 6.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN. 12 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5961-00-458-9585 still in active supply?

NSN 5961-00-458-9585 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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