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Technical Data Sheet

2N6661 — Network Technical Data

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— · 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 TRANSISTOR is a the manufacturer industrial component. Key specifications include overall_length: 0.260 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM IN, overall_diameter: 0.370 INCHES MAXIMUM IN, features_provided: HERMETICALLY SEALED CASE, internal_configuration: FIELD EFFECT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5961-01-030-8676, 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
2N6661
NSN: 5961-01-030-8676
FSC: 5961
CAGE: 80131 — ELECTRONIC INDUSTRIES ASSOCIATION
SPECIFICATIONS
overall_length0.260 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.370 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
internal_configurationFIELD EFFECT
semiconductor_materialSILICON
terminal_circle_diameter0.200 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
specification/standard_data81349-MIL-S-19500/547 GOVERNMENT SPECIFICATION
power_rating_per_characteristic8.3 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
current_rating_per_characteristic2.00 AMPERES MAXIMUM DRAIN CURRENT
NSN5961-01-030-8676
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 2N6661 MFR OEM TRANSISTOR
KEY FEATURES
•
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
•
MOUNTING METHOD: TERMINAL
•
OVERALL DIAMETER: 0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
•
INTERNAL CONFIGURATION: FIELD EFFECT
•
POWER RATING PER CHARACTERISTIC: 4.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
•
SEMICONDUCTOR MATERIAL: SILICON
•
CURRENT RATING PER CHARACTERISTIC: 1.50 AMPERES MAXIMUM DRAIN CURRENT
TECHNICAL CHARACTERISTICS
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
MOUNTING METHODTERMINAL
OVERALL DIAMETER0.360 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
OVERALL LENGTH0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
INTERNAL CONFIGURATIONFIELD EFFECT
POWER RATING PER CHARACTERISTIC4.0 WATTS MAXIMUM TOTAL DEVICE DISSIPATION
SEMICONDUCTOR MATERIALSILICON
CURRENT RATING PER CHARACTERISTIC1.50 AMPERES MAXIMUM DRAIN CURRENT
TERMINAL CIRCLE DIAMETER0.200 INCHES NOMINAL IN
TERMINAL LENGTH0.500 INCHES MINIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
167568InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
C10666-1InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
VN66AKInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2N6660InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1686-637InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
JAN2N6661InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2N6661?
2N6661 is a TRANSISTOR.
What parts can replace 2N6661?
There are 22 known substitutes for 2N6661: 167568, C10666-1, VN66AK and 19 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2N6661?
2N6661 is cataloged in the Federal Logistics Information System under NSN 5961-01-030-8676. This indicates validated use in U.S. government and defense supply chains.
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