Technical Specifications; Reference Documentation; Table 1-3 Electrical Load; Table 1-4 Garmin Documents - Garmin GTX 335 w GPS Installation Guidance

1.6 Technical Specifications

1.6.1

Power Requirements

The GTX 335 units operate at 14 or 28 VDC. Refer to table 1-3 for electrical load lists current draw
specifications.
Unit
GTX 335 w/ GPS
GTX 335 w/ GPS
1.6.2

Environmental Qualification Form

The installer must obtain the latest revision of the GTX Environmental Qualification Form (EQF). A copy
of the EQF is obtained through the single-use registration code process. For the applicable GTX EQF part
number, refer to table 1-4.

1.7 Reference Documentation

GTX 3X5 Environmental Qualification Form
GTX 335 Setup Wizard Guide
Master Drawing List, GTX 33X and GTX 3X5 ADS-B AML STC
GTX 33X and GTX 3X5 ADS-B AML STC Equipment List
GTX 33X and GTX 3X5 ADS-B Maintenance Manual
AFMS, GTX 33X and GTX 3X5 AML STC
GTX 3X5 Series Transponder Pilot's Guide

Table 1-5 Garmin Documents Available Upon Request

GTX 3XX Part 23 AML STC Installation Manual
GTX 3X5 TSO Installation Manual
190-00734-17
Rev. 1

Table 1-3 Electrical Load

Characteristic
Input current, typical
Input current, maximum
KEEP ALIVE input current

Table 1-4 Garmin Documents

Document
Document
Specification
14 VDC
0.72 A
1.22 A
65 µA typical
85 µA maximum
GTX 335 w/GPS Installation Guidance
28 VDC
0.36 A
0.61 A
20 µA typical
40 µA maximum
P/N
005-00752-02
190-01499-40
005-00734-04
005-00734-05
190-00734-11
190-00734-15
190-01499-00
P/N
190-00734-10
190-01499-02
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