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Technical Data Sheet
1N938BA ✓ 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,DIODE is a the manufacturer industrial component. Key specifications include material: SILICON SEMICONDUCTOR, overall_length: 0.300 INCHES MAXIMUM IN, mounting_method: TERMINAL, terminal_length: 1.000 INCHES MINIMUM IN, overall_diameter: 0.107 INCHES MAXIMUM IN, 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 5961-00-446-9280, 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
1N938BA
NSN: 5961-00-446-9280
FSC: 5961
CAGE: C7191 — ADELCO ELEKTRONIK GMBH (DEU)
SPECIFICATIONS
materialSILICON SEMICONDUCTOR
overall_length0.300 INCHES MAXIMUM IN
mounting_methodTERMINAL
terminal_length1.000 INCHES MINIMUM IN
overall_diameter0.107 INCHES MAXIMUM IN
features_providedHERMETICALLY SEALED CASE
terminal_type_and_quantity2 UNINSULATED WIRE LEAD
function_for_which_designedZENER DIODE
voltage_tolerance_in_percent-5.0 TO 5.0
power_rating_per_characteristic500.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
current_rating_per_characteristic7.50 MILLIAMPERES NOMINAL VOLTAGE REGULATOR DIODE CURRENT
voltage_rating_in_volts_per_characteristic9.0 NOMINAL NOMINAL REGULATOR VOLTAGE
NSN5961-00-446-9280
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 1N938BA MFR OEM SEMICONDUCTOR DEVICE,DIODE
KEY FEATURES
MATERIAL: SILICON SEMICONDUCTOR
FUNCTION FOR WHICH DESIGNED: ZENER DIODE
TEST DATA DOCUMENT: 00752-313420 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)
VOLTAGE TOLERANCE IN PERCENT: -5.0 TO 5.0
MOUNTING METHOD: TERMINAL
POWER RATING PER CHARACTERISTIC: 500.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC: 9.0 NOMINAL NOMINAL REGULATOR VOLTAGE
OVERALL DIAMETER: 0.107 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSILICON SEMICONDUCTOR
FUNCTION FOR WHICH DESIGNEDZENER DIODE
TEST DATA DOCUMENT00752-313420 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)
VOLTAGE TOLERANCE IN PERCENT-5.0 TO 5.0
MOUNTING METHODTERMINAL
POWER RATING PER CHARACTERISTIC500.0 MILLIWATTS MAXIMUM TOTAL DEVICE DISSIPATION
VOLTAGE RATING IN VOLTS PER CHARACTERISTIC9.0 NOMINAL NOMINAL REGULATOR VOLTAGE
OVERALL DIAMETER0.107 INCHES MAXIMUM IN
OVERALL LENGTH0.300 INCHES MAXIMUM IN
MAXIMUM OPERATING TEMP PER MEASUREMENT POINT175.0 CELSIUS JUNCTION DEGC
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
12830-5Interchangeable
interchangeable cross-reference
interchangeable
C900687Interchangeable
interchangeable cross-reference
interchangeable
128308Interchangeable
interchangeable cross-reference
interchangeable
5961008920889Interchangeable
interchangeable cross-reference
interchangeable
418299-3Interchangeable
interchangeable cross-reference
interchangeable
VBE408-40Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1N938BA?
1N938BA is a SEMICONDUCTOR DEVICE,DIODE.
What parts can replace 1N938BA?
There are 15 known substitutes for 1N938BA: 12830-5, C900687, 128308 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1N938BA?
1N938BA is cataloged in the Federal Logistics Information System (FLIS) under NSN 5961-00-446-9280. This indicates validated use in U.S. government and defense supply chains.
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