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DIMENSIONS
MMHT – I/O Cable (Female)
MMHT interconnects are used in high-
temperature applications. These rugged cable
connectors come with a variety of termination,
hardware and wiring options. Custom lengths
are available on wire termination products.
ORDER FORM
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CODE
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Sample Part Number Format: MMHT-222-025-2A3-2200
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MMHT
SERIES
0.050” Rugged
Metal I/O Connector
(Female)
ROWS
BODY STYLE
2 – 2-Row
2 – Receptacle
(9-37 contacts)
3 – 3-Row
(51 & 69 contacts)
4 – 4-Row
(100 contacts)
BODY MATERIAL
2 – High-temp
thermoplastic
with electroless
nickel shell
4 – High-temp
thermoplastic
anodized shell
5 – High-temp
with stainless
steel shell
SIZE
009 – 9 Contacts
015 – 15 Contacts
021 – 21 Contacts
025 – 25 Contacts
031 – 31 Contacts
037 – 37 Contacts
051 – 51 Contacts
069 – 69 Contacts
100 – 100 Contacts
PLATING
1 – 50
µ”
Au contacts
(crimp wire)
3 – 50
µ”
Au contacts;
Au terminations
(solder cup, pigtail)
CONTACT/TERMINATION TYPE
21 – Socket, straight, 26 awg solder cup
2A – Socket, straight, 24 awg solder cup
2E – Socket, straight, 0.125” lead length*
23 – Socket, straight, 0.250” lead length*
24 – Socket, straight, 0.500” lead length*†
26 – Socket, straight, crimped wire
HARDWARE
00 – No hardware
(62)***
WIRING
00 – None
XX – See Wiring
Codes
head, retaining ring (81)***
allen head, retaining ring
(82)***
head, retaining ring (83)***
slot head, retaining ring (84)***
head, captivated** (85)***
FF – Float-mount: front panel
mounting
FR – Float-mount: rear panel
mounting
PLEASE CONSULT THE AIRBORN WEBSITE FOR THE LATEST REVISION OF THIS DOCUMENT PRIOR TO BEGINNING ANY DESIGN WORK.
NOTES
*
0.018 diameter
MATERIALS and FINISHES
Socket Contact: . . . . . . . . . . . .Brass per ASTM B121/B121M or ASTM B16/B16M or ASTM B453
Contact Finish: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gold plate per ASTM B488, SAE AMS-2422
Shells: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Aluminum alloy 6061-T6 per SAE AMS-QQ-A-250/11
or 6061-T6511 per SAE AMS-QQ-A-200/8
Shell Finishes: . . . . . . . Electroless nickel per SAE AMS-2402, Class 3, 500 µ” minimum or black
anodized per MIL-A-8625, Type III Class 2, or 303 stainless steel per ASTM
A581/A581M or ASTM A582/A582M, passivated per SAE AMS-2700
Molded Insulators: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .High-temp thermoplastic
Embedment: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .High-temp epoxy
Hardware: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Corrosion-resistant steel per ASTM A582/A582M,
passivated per ASTM A967, SAE AMS-QQ-P-35
Interfacial Seal Gaskets: . . . . . . . . . . . . . . . . . . . . . . . . . . . . Fluorosilicone per SAE AMS-R-25988
Tolerances: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Angles: ±5°
Wire lengths – insulated/stranded: +1.0”/-0.0”
uninsulated/solid: +0.02”/-0.0”
NOTE
MMHT-222-025-2A3-2200
PERFORMANCE
Contact Rating: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 amperes maximum
Operating Temperature:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55° C to 205° C
Test Voltage: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600V, RMS, 60Hz
Insulation Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 connector mating cycles
Contact Engaging Force: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.0 ounces maximum/contact
Contact Separating Force:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 ounces minimum/contact
Mating and Unmating Force: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 ounces maximum/contact
High-Reliability Contact
MIL-DTL-83513
MMHTF-PNB-2E
(CTMHT008)
www.airborn.com
( 512 ) 863-5585
16
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