APH891 — TRANSFORMER,AUDIO FREQUENCY

✓ Government record, cited

— · COMPONENT

PRODUCT OVERVIEW

APH891: TRANSFORMER,AUDIO FREQUENCY.

The TRANSFORMER,AUDIO FREQUENCY is a the manufacturer industrial component. Key specifications include body_width: 0.730 INCHES MINIMUM AND 0.790 INCHES MAXIMUM IN, body_height: 1.030 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN, body_length: 0.730 INCHES MINIMUM AND 0.790 INCHES MAXIMUM IN, inclosure_type: HERMETICALLY SEALED, mounting_method: THREADED STUD(S) SINGLE GROUP, frequency_rating: 60.0 HERTZ MINIMUM AND 15.0 KILOHERTZ MAXIMUM SINGLE COMPONENT. This part is cataloged in the U.S.

Government catalog under NSN 5950-01-056-8239, 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

APH891

NSN: 5950-01-056-8239
FSC: 5950 — Coils and Transformers
CAGE: 80223 — UNITED TRANSFORMER CORP SUB OF OPT INDUSTRIES INC (USA)

SPECIFICATIONS

body_width	0.730 INCHES MINIMUM AND 0.790 INCHES MAXIMUM IN
body_height	1.030 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN
body_length	0.730 INCHES MINIMUM AND 0.790 INCHES MAXIMUM IN
inclosure_type	HERMETICALLY SEALED
mounting_method	THREADED STUD(S) SINGLE GROUP
frequency_rating	60.0 HERTZ MINIMUM AND 15.0 KILOHERTZ MAXIMUM SINGLE COMPONENT
nominal_thread_size	0.112 INCHES SINGLE GROUP IN
reliability_indicator	NOT ESTABLISHED
maximum_operating_temp	85.0 CELSIUS DEGC
impedance_rating_in_ohms	50.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
thread_series_designator	UNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
mounting_facility_quantity	2 SINGLE GROUP
NSN	5950-01-056-8239

COMPONENT DIAGRAM

KEY FEATURES

•

MOUNTING FACILITY QUANTITY: 2 SINGLE GROUP

•

INCLOSURE TYPE: HERMETICALLY SEALED

•

MOUNTING METHOD: THREADED STUD(S) SINGLE GROUP

•

BODY WIDTH: 0.730 INCHES MINIMUM AND 0.790 INCHES MAXIMUM IN

•

BODY HEIGHT: 1.030 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN

•

MAXIMUM TRANSFORMER POWER RATING: 10.0 MILLIWATTS SINGLE COMPONENT

•

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

•

IMPEDANCE RATING IN OHMS: 50.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY

TECHNICAL CHARACTERISTICS

MOUNTING FACILITY QUANTITY	2 SINGLE GROUP
INCLOSURE TYPE	HERMETICALLY SEALED
MOUNTING METHOD	THREADED STUD(S) SINGLE GROUP
BODY WIDTH	0.730 INCHES MINIMUM AND 0.790 INCHES MAXIMUM IN
BODY HEIGHT	1.030 INCHES MINIMUM AND 1.150 INCHES MAXIMUM IN
MAXIMUM TRANSFORMER POWER RATING	10.0 MILLIWATTS SINGLE COMPONENT
WINDING FUNCTION AND QUANTITY	1 PRIMARY AND 1 SECONDARY SINGLE COMPONENT
IMPEDANCE RATING IN OHMS	50.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT SINGLE PRIMARY
IMPEDANCE RATING IN OHMS	50.0 NOMINAL AND 600.0 NOMINAL SINGLE COMPONENT SINGLE SECONDARY
DISTANCE BETWEEN MOUNTING FACILITY CENTERS	0.830 INCHES MINIMUM AND 0.850 INCHES MAXIMUM SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN

OTHER ITEMS IN FSC 5950 — Coils and Transformers

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5950-00-000-0146 5950-00-001-1372 5950-00-001-1386 5950-00-001-1410 5950-00-001-1411 5950-00-001-1412 5950-00-001-1413 5950-00-001-1414

SUBSTITUTES & CROSS-REFERENCES 2

B86H0027-1Reference document

Same NSN cross-reference

Reference document — Design control — primary reference

26048-1Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is APH891?

APH891 is a TRANSFORMER,AUDIO FREQUENCY.

What parts can replace APH891?

There are 2 known substitutes for APH891: B86H0027-1, 26048-1. Substitute compatibility should be verified for your specific system.

What is the NSN for APH891?

APH891 is cataloged in the U.S. Government catalog under NSN 5950-01-056-8239. This indicates validated use in U.S. government and defense supply chains.

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APH891 — TRANSFORMER,AUDIO FREQUENCY

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