E-689 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

E-689: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_width: 1.750 INCHES NOMINAL IN, body_height: 0.750 INCHES NOMINAL IN, body_length: 3.750 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, mounting_method: THREADED HOLE(S) SINGLE GROUP, frequency_rating: 400.0 HERTZ NOMINAL SINGLE COMPONENT. This part is cataloged in the U.S.

Government catalog under NSN 5950-00-519-7877, 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

E-689

NSN: 5950-00-519-7877
NIINs: 005197877, 010182363, 013934150
FSC: 5950 — Coils and Transformers
CAGE: 51181 — KEYTRONICS, INC. DIV API TECHNOLOGIES CORP- MAGNETICS (USA)

SPECIFICATIONS

body_width	1.750 INCHES NOMINAL IN
body_height	0.750 INCHES NOMINAL IN
body_length	3.750 INCHES NOMINAL IN
inclosure_type	FULLY INCLOSED
mounting_method	THREADED HOLE(S) SINGLE GROUP
frequency_rating	400.0 HERTZ NOMINAL SINGLE COMPONENT
nominal_thread_size	0.138 INCHES SINGLE GROUP IN
transformer_function	INPUT
reliability_indicator	NOT ESTABLISHED
maximum_operating_temp	105.0 CELSIUS DEGC
end_item_identification	TOW COBRA (OTHER MISSILE-RELATED MATERIAL)
impedance_rating_in_ohms	1000000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
NSN	5950-00-519-7877

COMPONENT DIAGRAM

KEY FEATURES

•

TRANSFORMER FUNCTION: INPUT

•

INCLOSURE TYPE: OPEN

•

MOUNTING METHOD: TERMINAL SINGLE GROUP

•

BODY WIDTH: 0.812 INCHES MAXIMUM IN

•

BODY HEIGHT: 0.828 INCHES MAXIMUM IN

•

MAXIMUM TRANSFORMER POWER RATING: 10.0 DECIBELS SINGLE COMPONENT

•

WINDING FUNCTION AND QUANTITY: 1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT

•

IMPEDANCE RATING IN OHMS: 1000000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY

TECHNICAL CHARACTERISTICS

TRANSFORMER FUNCTION	INPUT
INCLOSURE TYPE	OPEN
MOUNTING METHOD	TERMINAL SINGLE GROUP
BODY WIDTH	0.812 INCHES MAXIMUM IN
BODY HEIGHT	0.828 INCHES MAXIMUM IN
MAXIMUM TRANSFORMER POWER RATING	10.0 DECIBELS SINGLE COMPONENT
WINDING FUNCTION AND QUANTITY	1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
IMPEDANCE RATING IN OHMS	1000000.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
IMPEDANCE RATING IN OHMS	10000.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
MAXIMUM OPERATING TEMP	105.0 CELSIUS DEGC

SUBSTITUTES & CROSS-REFERENCES 3

X1232-4BReference document

Same NSN cross-reference

Reference document — Secondary reference

68-40018-2001Reference document

Same NSN cross-reference

Reference document — Secondary reference

M1043Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandDemilitarization required — critical (Q)

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FREQUENTLY ASKED QUESTIONS

What is E-689?

E-689 is a TRANSFORMER,AUDIO FREQUENCY.

What parts can replace E-689?

There are 3 known substitutes for E-689: X1232-4B, 68-40018-2001, M1043. Substitute compatibility should be verified for your specific system.

What is the NSN for E-689?

E-689 is cataloged in the U.S. Government catalog under NSN 5950-00-519-7877. This indicates validated use in U.S. government and defense supply chains.

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