PartsTable
Technical Data Sheet
SU981 ✓ 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: 0.190 INCHES NOMINAL IN, mounting_method: TERMINAL, terminal_length: 0.500 INCHES MINIMUM IN, overall_diameter: 0.220 INCHES NOMINAL IN, internal_configuration: FIELD EFFECT, semiconductor_material: SILICON. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-178-4330, 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
SU981
NSN: 5961-01-178-4330
FSC: 5961
CAGE: 17856 — SILICONIX INCORPORATED DIV SILICONIX (USA)
SPECIFICATIONS
overall_length0.190 INCHES NOMINAL IN
mounting_methodTERMINAL
terminal_length0.500 INCHES MINIMUM IN
overall_diameter0.220 INCHES NOMINAL IN
internal_configurationFIELD EFFECT
semiconductor_materialSILICON
terminal_circle_diameter0.100 INCHES NOMINAL IN
terminal_type_and_quantity4 UNINSULATED WIRE LEAD
power_rating_per_characteristic300.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
current_rating_per_characteristic50.00 MILLIAMPERES MAXIMUM GATE CURRENT
voltage_rating_in_volts_per_characteristic30.0 MAXIMUM DRAIN TO GATE VOLTAGE
maximum_operating_temp_per_measurement_point150.0 CELSIUS JUNCTION DEGC
NSN5961-01-178-4330
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 SU981 MFR OEM TRANSISTOR
KEY FEATURES
TEST DATA DOCUMENT: 49956-267743 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATION: TO-72
TERMINAL LENGTH: 0.500 INCHES MINIMUM IN
OVERALL DIAMETER: 0.220 INCHES NOMINAL IN
CURRENT RATING PER CHARACTERISTIC: 50.00 MILLIAMPERES MAXIMUM GATE CURRENT
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT: 150.0 CELSIUS JUNCTION DEGC
INTERNAL CONFIGURATION: FIELD EFFECT
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH0.190 INCHES NOMINAL IN
TEST DATA DOCUMENT49956-267743 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
JOINT ELECTRONIC DEVICE ENGINEERING COUNCIL/JEDEC/CASE OUTLINE DESIGNATIONTO-72
TERMINAL LENGTH0.500 INCHES MINIMUM IN
OVERALL DIAMETER0.220 INCHES NOMINAL IN
CURRENT RATING PER CHARACTERISTIC50.00 MILLIAMPERES MAXIMUM GATE CURRENT
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT150.0 CELSIUS JUNCTION DEGC
INTERNAL CONFIGURATIONFIELD EFFECT
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC30.0 MAXIMUM DRAIN TO GATE VOLTAGE
POWER RATING PER CHARACTERISTIC300.0 MILLIWATTS MAXIMUM TOTAL POWER DISSIPATION
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
267743Interchangeable
interchangeable cross-reference
interchangeable
7000403Interchangeable
interchangeable cross-reference
interchangeable
2N3384Interchangeable
interchangeable cross-reference
interchangeable
RELEASE4739Interchangeable
interchangeable cross-reference
interchangeable
STR10182255Interchangeable
interchangeable cross-reference
interchangeable
10182255Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SU981?
SU981 is a TRANSISTOR.
What parts can replace SU981?
There are 6 known substitutes for SU981: 267743, 7000403, 2N3384 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SU981?
SU981 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-01-178-4330. This indicates validated use in U.S. government and defense supply chains.
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