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Technical Data Sheet
121G3359-1-1 ✓ 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 SEMICONDUCTOR DEVICE SET is a the manufacturer industrial component. Key specifications include overall_width: 1.050 INCHES MAXIMUM IN, overall_height: 0.270 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN, overall_length: 1.573 INCHES MAXIMUM IN, mounting_method: UNTHREADED HOLE(S), special_features: JUNCTION PATTERN ARRANGEMENT: NPN, internal_configuration: JUNCTION CONTACT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-499-7251, 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
121G3359-1-1
NSN: 5961-00-499-7251
FSC: 5961
CAGE: 98738 — HERLEY CHICAGO DBA STEWART WARNER ELECTRONICS (USA)
SPECIFICATIONS
overall_width1.050 INCHES MAXIMUM IN
overall_height0.270 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
overall_length1.573 INCHES MAXIMUM IN
mounting_methodUNTHREADED HOLE(S)
special_featuresJUNCTION PATTERN ARRANGEMENT: NPN
internal_configurationJUNCTION CONTACT
semiconductor_materialSILICON
mounting_facility_quantity2
terminal_type_and_quantity2 PIN AND 1 CASE
specification/standard_data81349-MIL-S-19500/408 GOVERNMENT SPECIFICATION
power_rating_per_characteristic85.7 WATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic4.00 AMPERES MAXIMUM BASE CURRENT, DC AND 10.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
NSN5961-00-499-7251
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 121G3359-1-1 MFR OEM SEMICONDUCTOR DEVICE SET
KEY FEATURES
CURRENT RATING PER CHARACTERISTIC: 4.00 AMPERES MAXIMUM BASE CURRENT, DC AND 10.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 7.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
SEMICONDUCTOR MATERIAL: SILICON
ELECTRODE INTERNALLY-ELECTRICALLY CONNECTED TO CASE: COLLECTOR
POWER RATING PER CHARACTERISTIC: 85.7 WATTS MAXIMUM TOTAL POWER DISSIPATION
TECHNICAL CHARACTERISTICS (FLIS)
CURRENT RATING PER CHARACTERISTIC4.00 AMPERES MAXIMUM BASE CURRENT, DC AND 10.00 AMPERES MAXIMUM COLLECTOR CURRENT, DC
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC100.0 MAXIMUM COLLECTOR TO BASE VOLTAGE/STATIC/EMITTER OPEN AND 80.0 MAXIMUM COLLECTOR TO EMITTER VOLTAGE/STATIC/BASE OPEN AND 7.0 MAXIMUM EMITTER TO BASE VOLTAGE, STATIC, COLLECTOR OPEN
SEMICONDUCTOR MATERIALSILICON
OVERALL HEIGHT0.270 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN
ELECTRODE INTERNALLY-ELECTRICALLY CONNECTED TO CASECOLLECTOR
POWER RATING PER CHARACTERISTIC85.7 WATTS MAXIMUM TOTAL POWER DISSIPATION
OVERALL LENGTH1.573 INCHES MAXIMUM IN
SPECIAL FEATURESJUNCTION PATTERN ARRANGEMENT: NPN
INTERNAL CONFIGURATIONJUNCTION CONTACT
TERMINAL TYPE AND QUANTITY2 PIN AND 1 CASE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
SJ2221HInterchangeable
interchangeable cross-reference
interchangeable
11292323Interchangeable
interchangeable cross-reference
interchangeable
8150000414-1Interchangeable
interchangeable cross-reference
interchangeable
JANTX2N3716Interchangeable
interchangeable cross-reference
interchangeable
38237130-1001Interchangeable
interchangeable cross-reference
interchangeable
2136596G001Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 121G3359-1-1?
121G3359-1-1 is a SEMICONDUCTOR DEVICE SET.
What parts can replace 121G3359-1-1?
There are 32 known substitutes for 121G3359-1-1: SJ2221H, 11292323, 8150000414-1 and 29 more. Substitute compatibility should be verified for your specific system.
Is 121G3359-1-1 still available?
121G3359-1-1 is currently cancelled.
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