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Technical Data Sheet
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A1187 ✓ 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 TRANSFORMER,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include color: CLEAR, material: PLASTIC, POLYETHYLENE (PP) FIRST WALL, bore_shape: STRAIGHT, face_width: 9.00 INCHES NOMINAL IN, bore_diameter: 35.00 MILLIMETERS NOMINAL MM, overall_width: 25.0 MILLIMETERS NOMINAL MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-058-4171, 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
A1187
NSN: 5961-00-058-4171
FSC: 5961
CAGE: 16170 — TELEDYNE TECHNOLOGIES INCORPORATED DBA TELEDYNE MICROELECTRONIC TECHNOLOGIES DIV TELEDYNE MICROELECTRONICS (USA)
SPECIFICATIONS
colorCLEAR
materialPLASTIC, POLYETHYLENE (PP) FIRST WALL
bore_shapeSTRAIGHT
face_width9.00 INCHES NOMINAL IN
bore_diameter35.00 MILLIMETERS NOMINAL MM
overall_width25.0 MILLIMETERS NOMINAL MM
load_directionRADIAL
overall_height12.00 INCHES NOMINAL IN
overall_length0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN
surface_finishGROUND
assembly_methodHEAT SEAL
mounting_methodTERMINALTERMINAL
NSN5961-00-058-4171
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 A1187 MFR OEM TRANSFORMER,RADIO FREQUENCY
KEY FEATURES
•
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
•
FEATURES PROVIDED: HERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
•
POWER RATING PER CHARACTERISTIC: 3.0 WATTS MAXIMUM TOTAL POWER DISSIPATION3.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
•
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 7.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN7.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
•
INTERNAL CONFIGURATION: JUNCTION CONTACTJUNCTION CONTACT
•
SEMICONDUCTOR MATERIAL: SILICONSILICON
•
TERMINAL CIRCLE DIAMETER: 0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD3 UNINSULATED WIRE LEAD
FEATURES PROVIDEDHERMETICALLY SEALED CASEHERMETICALLY SEALED CASE
OVERALL LENGTH0.260 INCHES MAXIMUM0.260 INCHES MAXIMUM IN
POWER RATING PER CHARACTERISTIC3.0 WATTS MAXIMUM TOTAL POWER DISSIPATION3.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 7.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN7.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
INTERNAL CONFIGURATIONJUNCTION CONTACTJUNCTION CONTACT
SEMICONDUCTOR MATERIALSILICONSILICON
TERMINAL CIRCLE DIAMETER0.200 INCHES NOMINAL0.200 INCHES NOMINAL IN
ELECTRODE INTERNALLY-ELECTRICALLY CONNECTED TO CASECOLLECTORCOLLECTOR
TERMINAL LENGTH1.500 INCHES MINIMUM1.500 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
S5949Interchangeable
interchangeable cross-reference
interchangeable
673-0264-00Interchangeable
interchangeable cross-reference
interchangeable
T-120Interchangeable
interchangeable cross-reference
interchangeable
A1187REVCInterchangeable
interchangeable cross-reference
interchangeable
A1187Interchangeable
interchangeable cross-reference
interchangeable
407R1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A1187?
A1187 is a TRANSFORMER,RADIO FREQUENCY.
What parts can replace A1187?
There are 8 known substitutes for A1187: S5949, 673-0264-00, T-120 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A1187?
A1187 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-058-4171. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026