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Interface Coaxial Switches
MS-145 Series sOverview and applications
Designed primarily as interface coaxial switch for a mobile phones, they are also used in variety of other applications requiring redirecting of signals when mating with corresponding plug. The mating action redirects the signals from the receptacle side to the plug side.
Receptacle
sFeatures
01. Space saving
External dimensions are 7mm x 4.6mm. Saves installation space.
02. Low profile
Low protrusion of only 6mm above the mounting surface (receptacle).
03. Light weight
Weight is only 0.18g.
04. Durability
High durability(mating/unmating) of 10 000 cycles.
05. Automatic mounting
Receptacle designed for placement on board with automated equipment.
Plug
06. Frequency range
Can be used from DC to 2.5 GHz and with GSM, PCS, cdmaOne,W-CDMA, etc.
07. Plugs
Wide variety of mating heights are available.
08. Solder wicking
Receptacle terminations are designed to prevent solder wicking into the critical contact areas.
MS-145-C(LP)-1
MS-145-C(LP)-A
09. Self alignment of mating parts
Inducement to floating is 0.5mm.
sApplications
Mobile Phone antenna switching Checks of microwave boards, etc.
MS-145-HRMJ MS-145-HRMP
sMaterials
Part Outer shell Insulator Common contact Board circuit side (N.C.) contact Material Phosphor bronze Polyamide Beryllium copper Beryllium copper Contact area Contact area Gold plating --------------Mounting area : Solder plating : Gold plating : Gold plating Mounting area : Solder plating Finish Remarks --------------UL94HB ---------------------------------------------------------
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sProduct Specifications
Operating temperature range Power Frequency range Insertion loss -30c to +85c 2W DC to 2.5 GHz 0.3 dB Max. (DC to 1 GHz) 0.4 dB Max. (1 GHz to 2 GHz) 0.6 dB Max. (2 GHz to 2.5 GHz) 20 dB Min. (DC to 1 GHz) Isolation 15 dB Min. (1 GHz to 2 GHz) 12 dB Min. (2 GHz to 2.5 GHz) V.S.W.R. 1.3 Max. (DC to 2 GHz) 1.5 Max. (2 GHz to 2.5 GHz)
Item 1. Insulation resistance 2. Withstanding voltage 3. Contact resistance
Standard 1000M ohms Min. No flashover or insulation breakdown Center: 75 m ohms Max. Outside: 50 m ohms Max. 100 V DC
Test Condition 100 V AC/one minute at 100 mA Max. Frequency of 10 to 55 Hz, overall amplitude of 1.5 mm for 2 hours in each of 3 directions
4. Vibration No electrical discontinuity of 10 s or more Contact resistance Center: 100 m ohms Max. Outer : 75 m ohms Max. 5. Shock
Acceleration of 490 m/s2, sine half-wave waveform, 3 cycles in each of the 3 axis Temperature: -55c / +5c to +35c / +85c / +5c to +35c Time: 30 / 5 max. / 30 / 5 max. (Minutes) 5 cycles
6. Thermal shock
Center: 100 m ohms Max. Outer : 75 m ohms Max. Insulation resistance 10 M ohms Min. Center: 100 m ohms Max. Outer : 75 m ohms Max. No excessive corrosion Contact resistance Contact resistance Center: 100 m ohms Max. Outer : 75 m ohms Max.
Contact resistance
7. Salt spray 8. Durability (Insertion/withdrawal)
Exposed to 5% salt water solution for 48 hours
10000 cycles
sTypical Data
dB 40
Open(N.O)
20 15 10
Isolation
0.6 0.4 0.2 0 1.60 1.40 1.20 1.00 DC
Open(N.O)
Insertion loss
Normally closed(N.C) Open(N.O)
V.S.W.R.
Normally closed(N.C)
Frequercy
1 GHZ
2
2.5
112
sReceptacle dimensions
Parts No : MS-145(06) 1,000 pieces per reel All dimensions in mm.
BCircuit Diagram
Not mated with the plug (N.C)
6 G 5.4 B G B Plug MS-145 4 G A C G
Mated with the plug (N.O)
G B G G A C G
O5.06 O3
2-0.2 3.65
2-0.15
6
BPCB Mounting Pattern
7 2.4 0.9
1
A G G
4.6 2.3 6.4
2-
R2
C
0.5 1.4
BPackaging Specifications
1,000 pieces / reel
4 O1.5 1.75 2
12
Unreeling direction
2
16.4
7.5 16
O380
Unreeling direction
O13 7.5
O80
113
sPlug
MS-145-C(LP)-1 MS-145-C(LP)-A MS-145-C(LP)-MI
7
7
7
13.7 O1.8 10.2
13.7 10.2 O1.8
13.7 10.2 O1.8 15.5 13.15 1.7 O5.55 8.2 O4.15 Straight type MS-145-HRMJ-A-D 6.3 O7.3 1/4-36UNS-2A 1/4-36UNS-2A 18 6.7 5.3 6 O4.15
14.2
O5.55 4.65 15.5
O5.55 5.95
O4.15
O4.15
sMS-145 to SMA adaptor
MS-145 to SMA Male Straight type MS-145-HRMP-A Panel mount type MS-145-HRMJ 12.7 8.64 MS-145 to SMA Female
8HEX
12.7 1/4-36UNS-2B
8.64
4-O
2.6
19.87
11.37
23.13 O4.9 7.4 O4.3 1.7
7
14.03
O4.15
114
BPrecautions
1. Please select plugs according to the following applications.
Part No. MS-145-C(LP)-1 MS-145-C(LP)-A MS-145-C(LP)-MI MS-145-HRMJ-A-D MS-145-HRMP-A MS-145-HRMJ Engages by pushing up to the 5.06 mm diameter shoulder (P surface) of the MS-145 0.82mm Engages by pushing up to the 5.06 mm diameter shoulder (P surface) of the MS-145 1.32mm Engagement position Engages up to a position (Q point) of 1.3 mm from the 5.06 mm diameter shoulder of the MS-145 Effective engagement length (Nominal) 0.82mm
O5.06 "Q"point 3.65 1.3 "P" surface
2. Applicable cable for plugs: 1.5D-HQEW or 1.5D-QEW (manufactured by Fujikura Ltd.). 3. No cleaning is needed after soldering or cable termination. 4. Please design avoiding holes so that force is not applied to this product from the case when dropped in the board mounted condition. 5. When mounted as the RF interface of a Mobile Phone, please consider using a rubber cap when the plug is not engaged to prevent dust from entering.
115
BApplication examples
Board mounted receptacle
Plug Cable
O-ring
17
BRecommended Temperature Profile
qMaximum temperrature qDuration of peak temperature qBase peak temperature q200c or over q150c - 160c
: 240c : 10sec Max. : 220c - 235c : 50sec Max. : 40sec Min.
BRecommended Nozzle Dimensions
O1 O1.5 O3
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