PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T612FSRectifier,semiconductor Device,u

Crydom Corp · NSN 5961-01-331-6397 · FSC 5961 · No Item Name Available
Verified by PartsTable
NSN 5961-01-331-6397 — this item is cataloged by the U.S. Government under National Stock Number 5961-01-331-6397. Primary manufacturer part number: T612FS.
Features
  • Rectifier,semiconductor Device,u — FSC 5961
  • Mounting Method: PLUG-IN TERMINAL(S)
  • Operating Temp Range: -25.0 TO 125.0 CELSIUS DEGC
  • Absolute Maximum Current Rating Per Characteristic: 55.00 AMPERES ON-STATE CURRENT, RMS TOTAL
  • Circuit Connection Style Designator: BRIDGE 1 PHASE
  • Absolute Maximum Voltage Rating in Volts Per Characteristic: 240.0 OFF-STATE VOLTAGE, PEAK
  • Terminal Type and Quantity: 6 TAB
  • Material: SILICON
Applications
  • Applications requiring Silicon construction
General Description

The Rectifier,semiconductor Device,u, cataloged under National Stock Number 5961-01-331-6397, 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 Crydom Corp. Government technical data includes 7 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5961-01-331-6397
Primary Part NumberT612FS
Item NameRectifier,semiconductor Device,u
FSC / FSG5961 / 59 — No Item Name Available
ManufacturerCrydom Corp
StatusACTIVE
Mounting MethodPLUG-IN TERMINAL(S)
Operating Temp Range-25.0 TO 125.0 CELSIUS DEGC
Absolute Maximum Current Rating Per Characteristic55.00 AMPERES ON-STATE CURRENT, RMS TOTAL
Circuit Connection Style DesignatorBRIDGE 1 PHASE
Absolute Maximum Voltage Rating in Volts Per Characteristic240.0 OFF-STATE VOLTAGE, PEAK
Terminal Type and Quantity6 TAB
MaterialSILICON
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5310-00-011-5547 INTERCHANGEABLE
Washer,lock
5930-00-387-2108MTL-206N INTERCHANGEABLE
Switch,toggle
Te Connectivity Corporation
5815-00-525-2242153023 INTERCHANGEABLE
Keytop,keyboard
Telemechanics Inc
1630-00-735-2263153023 INTERCHANGEABLE
Cover,bearing
Honeywell International Inc. Dba Honeywell Div Aerospace-South Bend (westmoor St)
5330-01-239-3320153023 INTERCHANGEABLE
Gasket
Dresser, Llc
Cross-Reference Index
Part NumberManufacturer
T612FS Crydom Corp (USA)
T612FS Gentron Corp (USA)
153023 Technology Dynamics, Inc. Dba Mid-Eastern Industries Division (USA)
8571555-1 Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin (USA)
Related Parts
5310-00-011-5547INTERCHANGEABLE
WASHER,LOCK
5930-00-387-2108INTERCHANGEABLE
SWITCH,TOGGLE
MTL-206N
5815-00-525-2242INTERCHANGEABLE
KEYTOP,KEYBOARD
153023
1630-00-735-2263INTERCHANGEABLE
COVER,BEARING
153023
5330-01-239-3320INTERCHANGEABLE
GASKET
153023

Frequently Asked Questions

What is NSN 5961-01-331-6397?

NSN 5961-01-331-6397 is a Rectifier,semiconductor Device,u, manufactured by Crydom Corp, classified under FSC 5961 (No Item Name Available). Status: active.

What are the part numbers for NSN 5961-01-331-6397?

NSN 5961-01-331-6397 has 4 cross-referenced part numbers: T612FS (Crydom Corp), T612FS (Gentron Corp), 153023 (Technology Dynamics, Inc. Dba Mid-Eastern Industries Division), 8571555-1 (Lockheed Martin Corporation Dba Lockheed Martin Div Lockheed Martin).

What NSN replaces 5961-01-331-6397?

There are 5 known substitutes for 5961-01-331-6397: 5310-00-011-5547, 5930-00-387-2108, 5815-00-525-2242 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of T612FS?

Key specifications for T612FS: Overall Height: 1.060 INCHES NOMINAL IN; Overall Width: 1.250 INCHES NOMINAL IN; Mounting Method: PLUG-IN TERMINAL(S); Overall Length: 2.500 INCHES NOMINAL IN. 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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