PartsTable
Technical Data Sheet
SM-B-540686 ✓ 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: 0.520 INCHES MAXIMUM IN, mounting_method: THREADED STUD(S), overall_diameter: 1.250 INCHES MAXIMUM IN, special_features: JUNCTION PATTERN ARRANGEMENT: PNP, features_provided: HERMETICALLY SEALED CASE, nominal_thread_size: 0.190 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-984-2750, 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
SM-B-540686
NSN: 5961-00-984-2750
FSC: 5961
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
overall_length0.520 INCHES MAXIMUM IN
mounting_methodTHREADED STUD(S)
overall_diameter1.250 INCHES MAXIMUM IN
special_featuresJUNCTION PATTERN ARRANGEMENT: PNP
features_providedHERMETICALLY SEALED CASE
nominal_thread_size0.190 INCHES IN
internal_configurationJUNCTION CONTACT
semiconductor_materialGERMANIUM
thread_series_designatorUNF
mounting_facility_quantity1
terminal_type_and_quantity1 SOLDER STUD AND 2 TAB, SOLDER LUG
power_rating_per_characteristic70.0 WATTS MAXIMUM COLLECTOR POWER DISSIPATION
NSN5961-00-984-2750
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 SM-B-540686 MFR OEM TRANSISTOR
KEY FEATURES
MOUNTING METHOD: THREADED STUD(S)
OVERALL DIAMETER: 1.250 INCHES MAXIMUM IN
THREAD SERIES DESIGNATOR: UNF
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 100.0 CELSIUS JUNCTION DEGC
INTERNAL CONFIGURATION: JUNCTION CONTACT
ELECTRODE INTERNALLY-ELECTRICALLY CONNECTED TO CASE: COLLECTOR
SEMICONDUCTOR MATERIAL: GERMANIUM
MOUNTING FACILITY QUANTITY: 1
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING METHODTHREADED STUD(S)
OVERALL DIAMETER1.250 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNF
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT100.0 CELSIUS JUNCTION DEGC
INTERNAL CONFIGURATIONJUNCTION CONTACT
ELECTRODE INTERNALLY-ELECTRICALLY CONNECTED TO CASECOLLECTOR
SEMICONDUCTOR MATERIALGERMANIUM
MOUNTING FACILITY QUANTITY1
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC50.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-BASE, EMITTER OPEN AND 30.0 MAXIMUM BREAKDOWN VOLTAGE, EMITTER-TO-BASE, COLLECTOR OPEN AND 40.0 MAXIMUM BREAKDOWN VOLTAGE, COLLECTOR-TO-EMITTER, BASE OPEN
TERMINAL TYPE AND QUANTITY1 SOLDER STUD AND 2 TAB, SOLDER LUG
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
1181/20CInterchangeable
interchangeable cross-reference
interchangeable
1181/20Interchangeable
interchangeable cross-reference
interchangeable
21976Interchangeable
interchangeable cross-reference
interchangeable
10129958Interchangeable
interchangeable cross-reference
interchangeable
B755-1018Interchangeable
interchangeable cross-reference
interchangeable
127-0603-001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM-B-540686?
SM-B-540686 is a TRANSISTOR.
What parts can replace SM-B-540686?
There are 15 known substitutes for SM-B-540686: 1181/20C, 1181/20, 21976 and 12 more. Substitute compatibility should be verified for your specific system.
Is SM-B-540686 still available?
SM-B-540686 is currently cancelled.
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