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Technical Data Sheet
PartsTable / COMPONENT / C1146
C1146 ✓ Verified by PartsTable
— · SFP TRANSCEIVER
WHAT YOU NEED TO KNOW
SR = Short Range (multimode, 300m) | LR = Long Range (single-mode, 10km) DOM = Digital Optical Monitoring — most enterprise SFPs support it
MATCH ALL THREE: Speed + Wavelength + Brand compatibility
PRODUCT OVERVIEW

The SWITCH,THERMOSTATIC is a the manufacturer industrial component. Key specifications include material: GLASS ENCLOSURE, unit_type: COAXIAL LINE, overall_width: 0.400 INCHES NOMINAL IN, overall_height: 0.500 INCHES NOMINAL IN, overall_length: 1.160 INCHES NOMINAL IN, mounting_method: TERMINAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-888-5458, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
C1146
NSN: 5961-00-888-5458
FSC: 5961
CAGE: 12498 — CRYSTALONICS, INC. (USA)
SPECIFICATIONS
materialGLASS ENCLOSURE
unit_typeCOAXIAL LINE
overall_width0.400 INCHES NOMINAL IN
overall_height0.500 INCHES NOMINAL IN
overall_length1.160 INCHES NOMINAL IN
mounting_methodTERMINAL
terminal_length1.500 INCHES MINIMUM IN
overall_diameter0.210 INCHES NOMINAL IN
special_featuresSTRIPLINE DESIGN; SMA (F) RF CONNECTORS; 50 WATT POWER; STAINLESS STEEL CONNECTORS; -55 TO 110 DEG C OPERATING TEMPERATURE DEGC
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
radio_frequency_rating2.0 GIGAHERTZ MINIMUM AND 4.0 GIGAHERTZ MAXIMUM
NSN5961-00-888-5458
COMPONENT DIAGRAM
BAIL LATCH 10G SFP+ 850nm · SR (MMF, 300m) DOM: Digital Optical Monitoring TX RX LC DUPLEX 20-PIN EDGE CONNECTOR ~56.5 mm ~13.4mm SFP+ TRANSCEIVER | 10G | 850nm | SR (MMF, 300m) Hot-swappable | LC duplex fiber | DDM/DOM supported TITLE SFP+ XCVR PN C1146 MFR OEM SWITCH,THERMOSTATIC
KEY FEATURES
•
TERMINAL TYPE AND QUANTITY: 4 UNINSULATED WIRE LEAD
•
OVERALL DIAMETER: 0.210 INCHES NOMINAL IN
•
TERMINAL CIRCLE DIAMETER: 0.100 INCHES NOMINAL IN
•
MATERIAL: GLASS ENCLOSURE
•
INTERNAL CONFIGURATION: JUNCTION CONTACT
•
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATION: TO-18
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: -60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND -50.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND -50.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPE AND QUANTITY4 UNINSULATED WIRE LEAD
OVERALL DIAMETER0.210 INCHES NOMINAL IN
OVERALL LENGTH0.210 INCHES MAXIMUM IN
TERMINAL CIRCLE DIAMETER0.100 INCHES NOMINAL IN
MATERIALGLASS ENCLOSURE
INTERNAL CONFIGURATIONJUNCTION CONTACT
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATIONTO-18
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC-60.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND -50.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND -50.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
TERMINAL LENGTH1.500 INCHES MINIMUM IN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT200.0 CELSIUS JUNCTION DEGC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
C1672Interchangeable
interchangeable cross-reference
interchangeable
C1146Interchangeable
interchangeable cross-reference
interchangeable
972162-52Interchangeable
interchangeable cross-reference
interchangeable
5985PL1670266Interchangeable
interchangeable cross-reference
interchangeable
3N136Interchangeable
Same NIIN cross-reference
interchangeable
CI-146Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C1146?
C1146 is a SWITCH,THERMOSTATIC.
What parts can replace C1146?
There are 7 known substitutes for C1146: C1672, C1146, 972162-52 and 4 more. Substitute compatibility should be verified for your specific system.
Is C1146 still available?
C1146 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026