PartsTable
Technical Data Sheet
40408L ✓ 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 TRANSISTOR is a the manufacturer industrial component. Key specifications include overall_length: 0.260 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 1.500 INCHES MINIMUM IN, overall_diameter: 0.370 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: NPN, features_provided: HERMETICALLY SEALED CASE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-539-3200, 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
40408L
NSN: 5961-00-539-3200
FSC: 5961
CAGE: 1T8R0 — BOCA SEMICONDUCTOR CORPORATION (USA)
SPECIFICATIONS
overall_length0.260 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length1.500 INCHES MINIMUM IN
overall_diameter0.370 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
features_providedHERMETICALLY SEALED CASE
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
end_item_identificationAIRCRAFT, STRATOFORTRESS B-52
terminal_circle_diameter0.200 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
power_rating_per_characteristic1.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
NSN5961-00-539-3200
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 40408L MFR OEM TRANSISTOR
KEY FEATURES
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 200.0 CELSIUS JUNCTION DEGC
POWER RATING PER CHARACTERISTIC: 1.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
INTERNAL CONFIGURATION: JUNCTION CONTACT
TERMINAL LENGTH: 1.500 INCHES MINIMUM IN
TERMINAL CIRCLE DIAMETER: 0.200 INCHES NOMINAL IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 90.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 4.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.260 INCHES MAXIMUM IN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT200.0 CELSIUS JUNCTION DEGC
POWER RATING PER CHARACTERISTIC1.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: NPN
INTERNAL CONFIGURATIONJUNCTION CONTACT
TERMINAL LENGTH1.500 INCHES MINIMUM IN
TERMINAL CIRCLE DIAMETER0.200 INCHES NOMINAL IN
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC90.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN AND 4.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
FEATURES PROVIDEDHERMETICALLY SEALED CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
40734Interchangeable
interchangeable cross-reference
interchangeable
40408Interchangeable
interchangeable cross-reference
interchangeable
RT8100-126Interchangeable
interchangeable cross-reference
interchangeable
AN1-4-1701-184PC36Interchangeable
interchangeable cross-reference
interchangeable
65958Interchangeable
interchangeable cross-reference
interchangeable
2-52924-81Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 40408L?
40408L is a TRANSISTOR.
What parts can replace 40408L?
There are 19 known substitutes for 40408L: 40734, 40408, RT8100-126 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 40408L?
40408L is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-539-3200. This indicates validated use in U.S. government and defense supply chains.
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