A-78J Tech Specifications

Category Audio Transformers
Manufacturer Triad Magnetics
Package / Case Axial
Mounting Type Chassis Mount
Supplier Device Package Axial
Weight -
Package Bulk
Impedance - Primary (Ohms) 2k
Mfr Triad Magnetics
Product Status Active
Impedance - Secondary (Ohms) 600, 150
Operating Temperature -65°C ~ 175°C
Series Military, MIL-R-10509/1, RN60
Packaging Bulk
Size / Dimension 0.145 Dia x 0.344 L (3.68mm x 8.74mm)
Tolerance ±0.5%
Part Status Active
Number of Terminations 2Terminations
Temperature Coefficient ±50ppm/°C
Resistance 196 Ohms
Composition Metal Film
Power (Watts) 0.25W, 1/4W
Termination Style Wire Leads
Approval Agency -
Voltage - Isolation -
Failure Rate --
Frequency Range 20Hz ~ 15kHz
Insertion Loss -
Transformer Type Impedance Matching
Turns Ratio - Primary:Secondary 1.82:1
Return Loss -
Frequency Response ±3dB
Features Flame Retardant Coating, Military, Moisture Resistant, Safety
DC Resistance (DCR) - Primary 112Ohm
DC Resistance (DCR) - Secondary 48.5Ohm
Power Level 100mW
Height Seated (Max) --
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