RF, Microwave and Datalink Contacts
for MIL-DTL-38999, SuperNine
®
, Mighty Mouse and
Micro-Crimp
®
Connectors
Spring-Loaded Microwave Frequency Coaxial Contacts
Size #8 BMA Contacts for DC – 18 GHz
Size 8 50 ohm microwave BMA coaxial contacts provide mode-free operation from DC to 18
GHz. BMA socket contact features a stainless steel spring mechanism for consistent contact
engagement, and a gold-plated annular interface spring for continuous outer conductor
electrical contact and RFI suppression. Interface conforms to MIL-STD-348 figure 321. Solder
termination. Supplied with cable sealing boot.
Pin Contact
Q
Q
Q
Q
DC – 18 GHz frequency range
50 ohm impedance
Aerospace-grade construction
BMA Interface per MIL-DTD-348
Q
Q
Q
Low VSWR, low insertion loss
Low RF leakage
Accepts RG402-Flex and RG405-Flex
cables
Size 8 50 Ohm BMA Coaxial Contacts for DC – 18 GHz
Cable
RG-405 Flex (.086 inch dia.)
Pin Contact
852-078-01
852-078-02
Socket Contact
852-079-01
852-079-02
Socket Contact
RG-402 Flex (.141 inch dia.)
Technical Data
Specifications
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Construction
Q
Q
Q
Q
Q
Q
Q
Q
Connector Compatibility
BMA contacts are compatible with the following
connectors with size #8 contact cavities:
Q
Q
Q
Operating temperature: -55°C. to +125°C.
Dielectric withstanding voltage: 500 Vac
rms
Frequency range: DC – 18 GHz
VSWR: 1.12 + (.005 X Freq GHz)
50 ohm nominal impedance
Insertion loss: 0.05 x √(Freq in GHz)
RF leakage: -(90 – Freq GHz)
Durability: 500 mating cycles
Shock: EIA-364-27 condition D
Vibration: EIA-364-28 condition VI, letter J
Center contact, solder sleeve:
copper alloy,
50 microinches gold over nickel plating
Insulators:
PTFE per ASTM D-1710
Pin contact body:
copper alloy, 50
microinches gold over nickel plating
Socket contact body:
303 stainless steel,
passivated
Retaining nut:
303 stainless steel,
passivated
Spring:
stainless steel, passivated
Interface spring:
beryllium copper, 50
microinches gold over nickel plating
Sealing Boot:
fluorosilicone rubber, glass-
filled PEI
MIL-DTL-38999 Series I, III and IV
Glenair Series 23 SuperNine®
Glenair Series 80 Mighty Mouse
Pin Contact 852-078
.390
(9.91)
Ø.314
(7.98)
Ø.217
(5.51)
.445
(11.30)
SOLDER
SLEEVE
RETAINING
NUT
Ø.250 (6.35)
ACROSS
FLAT
Ø.210
(5.33)
.033/.029
(0.84/0.74)
Ø.274
(6.96)
20
© 2016 Glenair, Inc • 1211 Air Way, Glendale, CA 91201 • 818-247-6000 • www.glenair.com • U.S. CAGE code 06324 • High-Speed Contacts
Dimensions in Inches (millimeters) are subject to change without notice.
RF, Microwave and Datalink Contacts
for MIL-DTL-38999, SuperNine
®
, Mighty Mouse and
Micro-Crimp
®
Connectors
Spring-Loaded Microwave Frequency Coaxial Contacts
Size #8 BMA Contacts for DC – 18 GHz
Socket Contact 852-079
BMA INTERFACE
PER MIL-STD-348
FIGURE 321
Ø.314
(7.98)
.625
(15.88)
.445
(11.30)
SOLDER
SLEEVE
RETAINING
NUT
Ø.250 (6.35)
ACROSS
FLAT
Ø.288/.284
(7.32/7.21)
.033/.029
(0.84/0.74)
Ø.274
(6.96)
Cable Strip Length
Removal Tool
No tool is required for installing contact
into connector.
.350 ± .010
(8.89 ± 0.25)
90º
PRE-TINNED
CABLE BRAID
.110 ± .010
(2.79 ± 0.25)
(
M81969/14-12
)
859-049
Sealing Boot
Sealing boots are supplied with contacts.
.985 (25.02)
MAX
.326
(8.28)
Wire Dia.
(in.)
.090 – .130
.130 – .170
.170 – .205
Wire Dia.
(mm.)
2.3 – 3.3
3.3 – 4.3
4.3 – 5.2
Part
Number
859-042-01
859-042-02
859-042-03
.350
(8.89)
© 2016 Glenair, Inc • 1211 Air Way, Glendale, CA 91201 • 818-247-6000 • www.glenair.com • U.S. CAGE code 06324 • High-Speed Contacts
Dimensions in Inches (millimeters) are subject to change without notice.
21
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