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Technical Data Sheet
858840 ✓ 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 REGULATOR,ENGINE GENERATOR is a the manufacturer industrial component. Key specifications include terminal_type: BEARING, overall_length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, overall_diameter: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: PNP. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-941-2056, 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
858840
NSN: 5961-00-941-2056
FSC: 5961
CAGE: 36378 — RAYTHEON TECHNICAL SERVICES COMPANY (USA)
SPECIFICATIONS
terminal_typeBEARING
overall_length0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
overall_diameter0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: PNP
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
system_ground_polarityNEGATIVE
terminal_circle_diameter0.200 INCHES NOMINAL IN
terminal_type_and_quantity3 UNINSULATED WIRE LEAD
circuit_control_device_typeACTUATING RELAY
NSN5961-00-941-2056
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 858840 MFR OEM REGULATOR,ENGINE GENERATOR
KEY FEATURES
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
TERMINAL LENGTH: 0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
TERMINAL CIRCLE DIAMETER: 0.200 INCHES NOMINAL IN
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATION: TO-39
OVERALL DIAMETER: 0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY: 3 UNINSULATED WIRE LEAD
POWER RATING PER CHARACTERISTIC: 3.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
TECHNICAL CHARACTERISTICS (FLIS)
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC60.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 60.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 5.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
TERMINAL LENGTH0.500 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
TERMINAL CIRCLE DIAMETER0.200 INCHES NOMINAL IN
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATIONTO-39
OVERALL DIAMETER0.335 INCHES MINIMUM AND 0.370 INCHES MAXIMUM IN
TERMINAL TYPE AND QUANTITY3 UNINSULATED WIRE LEAD
POWER RATING PER CHARACTERISTIC3.0 WATTS MAXIMUM TOTAL POWER DISSIPATION
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: PNP
MOUNTING METHODTERMINAL
SPECIFICATION/STANDARD DATA81349-MIL-S-19500/290 GOVERNMENT SPECIFICATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
M59-110Interchangeable
interchangeable cross-reference
interchangeable
418535-8Interchangeable
interchangeable cross-reference
interchangeable
TT3645Interchangeable
interchangeable cross-reference
interchangeable
1501742-00Interchangeable
interchangeable cross-reference
interchangeable
JANTX2N2904AInterchangeable
interchangeable cross-reference
interchangeable
2N2904AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 858840?
858840 is a REGULATOR,ENGINE GENERATOR.
What parts can replace 858840?
There are 30 known substitutes for 858840: M59-110, 418535-8, TT3645 and 27 more. Substitute compatibility should be verified for your specific system.
Is 858840 still available?
858840 is currently cancelled.
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