SAE AS 81714B-2014 Terminal Junction System (TJS) Environment Resistant General Specification For.pdf
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1、_ SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising there
2、from, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be revised, reaffirmed, stabilized, or cancelled. SAE invites your written comments and suggestions. Copyright 2014 SAE International All rights reserved. No part of this p
3、ublication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of SAE. TO PLACE A DOCUMENT ORDER: Tel: 877-606-7323 (inside USA and Canada) Tel: +1 724-776-497
4、0 (outside USA) Fax: 724-776-0790 Email: CustomerServicesae.org SAE WEB ADDRESS: http:/www.sae.org SAE values your input. To provide feedback on this Technical Report, please visit http:/www.sae.org/technical/standards/AS81714BAEROSPACESTANDARDAS81714 REV. BIssued 2004-04 Revised 2014-09 Superseding
5、 AS81714A Terminal Junction System (TJS), Environment Resistant General Specification For FSC 5940 RATIONALE Limited Scope revision required to address AS81714-A1 contact resistance limits for wire size 28 in Table 2. 1. SCOPE This specification covers Terminal Junction System (TJS) components which
6、 are used for interconnection of wiring and incorporation of passive components (see 6.1). These environment resistant components have in common the use of crimp type external pin contacts in accordance with AS39029/1 for Series I or crimp type external socket contacts in accordance with AS39029/22
7、for Series II. This family of TJS components is designed to operate continuously over a temperature range of -65 to 200 C, using any combination of temperatures generated by the electrical load and ambient temperature so that the maximum internal hot spot, combined temperature, will not exceed the m
8、aximum specified for the class of TJS component, unless otherwise specified (1.2, 3.1). The components making up the system and covered by this specification include: a. Terminal junction bussing blocks (6.8.2) (1) Feedback type (6.8.2.1) (2) Feedthrough type (6.8.2.2) b. Racks (mounting holders) fo
9、r blocks (6.8.3) c. Brackets, block mounting (6.8.4) d. Wire in-line junctions (6.8.5) e. Grounding terminal (6.8.6) f. Grounding blocks (6.8.7) g. Electronic blocks (6.8.8) h. Electronic in-line junctions (6.8.9) SAE INTERNATIONAL AS81714B Page 2 of 47 1.1.1 CTS The TJS components conform to the re
10、quirements of MIL-HDBK-1277 and MIL-HDBK-454. 1.2 Classification 1.2.1 Terminal junction components fabricated to this specification are classified as follows: a. Series. The Series I and II TJS components are not interchangeable or intermateable. Series I. External pin contact crimped on wire. Seri
11、es II. External socket contact crimped on wire. b. Classes. Terminal junction components described herein are Class D. Classes A, B, and C components are inactive for new design. Class D components shall be used for direct Government acquisition. Appendix A provides performance tests and other infor
12、mation relating to Classes A, B, and C. Appendix A indicates the relationship between Class D part numbers and the superseded part numbers of Classes A, B, and C. Series II components of AS81714 meet Class D environmental requirements. 1.3 Marking Identification The components covered by this specif
13、ication shall be identified by a part number, as shown by the applicable detail specification. Series I components shall be identified as in the following examples, or as otherwise specified (3.1). FIGURE 1 SERIES I COMPONENT MARKING STRUCTURE (SEE 3.1) SAE INTERNATIONAL AS81714B Page 3 of 47 FIGURE
14、 1 (CONTINUED) SERIES I COMPONENT MARKING STRUCTURE (SEE 3.1) FIGURE 2 SERIES II COMPONENT MARKING STRUCTURE (SEE 3.1) SAE INTERNATIONAL AS81714B Page 4 of 47 FIGURE 2 (CONTINUED) SERIES II COMPONENT MARKING STRUCTURE (SEE 3.1) SAE INTERNATIONAL AS81714B Page 5 of 47 1.3.1 Component Designator A dif
15、ferent component designator is required for each component having identical external contacts and for each combination of different contacts used in a block. 1.3.2 Bussing and Circuit Designator The bussing and circuit designators shall be as shown on the applicable detail specification (3.1). 1.3.3
16、 Voltage Rating The maximum working voltages shall be as shown in Table 13. 1.4 External Contact Conductor Size Range Each external contact with the indicated dash number accommodates the range of conductor sizes specified in Table 1. 1.4.1 Grommet Wire Sealing Ranges For TJS components, each gromme
17、t aperture for a specified contact dash number seals on the O.D. range of smooth finished wires specified in Table 1. CAUTION: WHEN SELECTING WIRE REQUIRING SEALING, THE FINISHED DIAMETER SHALL BE WITHIN THE O.D. RANGE SHOWN IN TABLE 1. TABLE 1 WIRE RANGE ACCOMMODATIONS Contact M39029/1 Mating End S
18、izeWire Barrel SizeConductor SizeO.D. Range of Finished Wires (inch) -507 20 22D 28 26 24 22 0.030-0.054 -100 16 22 26 24 22 0.034-0.060 -101 16 20 24 22 20 0.040-0.083 -102 14 16 20 18 16 0.065-0.109 -103 12 12 14 12 0.097-0.142 Contact M39029/22 Mating End SizeWire Barrel SizeConductor SizeO.D. Ra
19、nge of Finished Wires (inch) -191 22 22 26 24 22 0.030-0.060 -192 20 20 24 22 20 0.040-0.083 -193 16 16 20 18 16 0.065-0.109 605 12 12 14 12 0.097-0.142 SAE INTERNATIONAL AS81714B Page 6 of 47 2. REFERENCES The following publications form a part of this document to the extent specified herein. The l
20、atest issue of SAE publications shall apply. The applicable issue of the other publications shall be the issue in effect on the date of the purchase order. In the event of conflict between the text of this document and references cited herein, the text of this document takes precedence. Nothing in t
21、his document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. The components requirements shall be as specified herein and in accordance with the applicable detail specification. In the event of any conflict between the requirements of this specific
22、ation and the detail specification, the latter shall govern (see2.4.2). 2.1 SAE Publications Available from SAE International, 400 Commonwealth Drive, Warrendale, PA 15096-0001, Tel: 877-606-7323 (inside USA and Canada) or 724-776-4970 (outside USA), www.sae.org.AIR1351 Manufacturers Identification
23、of Aerospace Electrical and Electronic Wiring Devices and Accessories AS22759 Wire, Electrical, Fluoropolymer-Insulated, Copper or Copper Alloy AS39029 Contacts, Electrical Connector, General Specification For AS39029/1 Contacts, Electrical Connector, Pin, Crimp Removable (for AS81714 Terminal Junct
24、ion System) AS39029/22 Contacts, Electrical, Connector, Socket, Crimp Removable (for AS81714 Terminal Junction System Series II and MIL-C-81511 Series 3 and 4 Class L Connectors) AS50881 Wiring Aerospace Vehicle AS81044 Wire, Electrical, Crosslinked Polyalkene, Crosslinked Alkane-Imide Polymer, or P
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