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DC to 6GHz Ultra-Small Coaxial Switch
MS-147 Series sOutline
The ultra-small MS-147 coaxial switch series was developed for the portable terminal interface and for inspection of microwave boards (substrates) (DC - 6GHz) used at high frequencies. To respond to the development of portable terminal technologies and popularization of highfrequency applications - up to 6GHz - this switch features low loss, low profile, and light weight. The switch circuit is designed so that the NC terminal is connected to the C terminal without a plug mated. Mating with a plug opens this connection. Vertical mounting structure allows the switch to be placed near the antenna of the portable terminal and used to inspect output and switch to an external antenna.
sFeatures
01. Low insertion loss
Insertion loss is as low as: 0.15dB(or less)(Typically, 0.08dB at 1GHz) (Typically, 0.1dB at 2GHz)
Saves board mounting space: Low profile: Height 3.9mm Light weight: Weight 0.11g
02. Space saving
External dimensions are 5.8mm x 5.4mm. Saves installation space.
03. Low profile
Switch height is 3.9mm.
MS-147(06)
04. Light weight
Switch weight is 0.11g
05. Long life
The switch is guaranteed for up to 12,000 mechanical operations.
qPlug
06. Auto insertable
Available in embossey tape-and-reel auto-insertable format
07. Wide application range
Operating frequency from DC to 6GHz.
08. Prevention of flux float-off
Switch structure prevents flux float-off.
MS-147-C(LP)-1
09. Self-alignment
The eccentricity for plug mating is 0.5mm.
qSMA conversion adapter
sApplication
* Wireless communication (Bluetooth, IEEE 802.11) * Machines (Portable terminal, notebook PC, ETC, POS terminal, GPS terminal PDA, etc.) * Also suitable for other high-frequency machines.
MS-147-HRMJ-1
117
sProduct Specifications
Not mated with the plug Operating temperature range Power rating Frequency range Insertion loss -30c ~ +85c 4W DC ~ 6 GHz 0.15dB Max. (DC ~ 2GHz) 0.2dB Max. (2GHz ~ 3GHz) 0.4dB Max. (3GHz ~ 6GHz) Mared (MS-147-HRMJ-1) -10c ~ +65c 4W DC ~ 6 GHz 0.2dB 0.3dB 0.4dB 0.8dB max. max. max. max. (DC (2GHz (2.5GHz (3GHz ~ 2GHz) ~ 2.5GHz) ~ 3GHz) ~ 6GHz)
Isolation
25dB min. (DC ~ 1GHz) 20dB min. (1GHz ~ 3GHz) 14dB min. (3GHz ~ 6GHz) 1.2 Max. (DC ~ 3GHz) 1.25 1.3 1.4 1.9 max. max. max. max. (DC (2GHz (2.5GHz (3GHz ~ 2GHz) ~ 2.5GHz) ~ 3GHz) ~ 6GHz)
V.S.W.R.
1.5 Max. (3GHz ~ 6GHz)
Item 1.Contact resistance
Standard Center 75m ohms max. Outer 50m ohms max. 100mA max. 100V DC
Conditions
2.Insulation resistance 1,000M ohms or more 3.Withstanding voltage No flashover or insulation breakdown 4. Vibration No electrical discontinuity for 10s Min. 5. Shock
100V AC / one minute Frequency of 10 to 55 Hz, overall amplitude of 1.5 mm for 2 hours in each of 3 directions Acceleration of 490 m/s2, sine half-wave waveform, 3 cycles in each of the 3 axis 96 hours at temperature of 40c and humidity of
6.Humidity
Contact resistance: Center 100m ohms max. 90% to 95% Outer 75m ohms max. Insulation resistance 10M ohms min. Temperature : -55c +5c to +35c 85c +5c to 35c 7.Temperature cycle Time:30 15 max. 30 15 max. 100 cycles Contact resistance: Center 100m ohms max. Outer 75m ohms max. Exposed to 5% salt water solution for 48 hours No excessive corrosion Contact resistance: Center 100m ohms max. 12,000 cycles Outer 75m ohms max.
8.Salt spray 9.Durability (Insertion/withdrawal)
sMaterials
Part Shell Insulator Common terminal Board circuit side (N.C) terminal Material Phosphor bronze Polyamide resin Berylium copper Berylium copper Finish Gold plating _________ Gold plating Gold plating Remarks _________ UL94HB _________ _________
118
sTypical Data qNORMALLY CLOSED (N.C)~ (Not mated with the plug)
[dB] 0 0.2 0.6 0.8 1.6 0.4
INSERTION LOSS
V.S.W.R.
1.5 1.4 1.3 1.2 1.1 1.0 6.0 [GHz]
0.045
2.0
3.0
4.0
qOPEN (N.O)~ (Mated with the plug)
[dB] 0
INSERTION LOSS
0.2 0.4 0.6 0.8 2.0 1.8 1.6 V.S.W.R. 1.4 1.2 0.045 2.0 3.0 4.0 1.0 6.0 [GHz]
qISOLATION
[dB] 0 5
ISOLATION
10 15 20 25 30 35 40 45 0.045
ISOLATION
2.0
3.0
4.0
6.0 [GHz]
V.S.W.R.
V.S.W.R.
INSERTION LOSS
119
sReceptacle
Product No. MS-147 (06) 1,500 pieces per reel
sCircuit diagram
5.8 0.4
G B G
G A C G MS-147
G B G
G A C G
5.4
4.4 2.9
Plug
0.4 O5 O3.4
B
sPCB Mounting Pattern
3.9 2-0.2 2.7 6.6 4 0.8
3.6
G
G
0.65 0.9
A
sEmbossed Carrier Tape Dimensions
12
.5
1.75
O1
4 2
1,500 pieces per / reel Unreeling direction
2 16.4
7.5
16
O380
Unreeling direction
O1 3
120
5.3
O80
2.4 6
C
0.65
sPlug
Right angle type (1.5D - HQEW) MS-147-C(LP)-1
7
13.7 O1.8 10.2
13.6
11.25 8
O4.8
sSMA conversion adapter
MS-147-SMA jack conversion adapter MS-147-HRMJ-1
6.3
1/4-36UNS-2A
24.29 12
6.29
6
O4.71
121
sRecommended Temperature Profile
Temperature c 240 200 160 150 10sec Max.
q Maximum temperature : 240c q Duration of peak temperature : 10sec Max. q Base peak temperature : 220c - 235c q 200c or over : 50sec Max. q 150c - 160c : 40sec Min.
100
50
0 40sec Min. 50sec Max.
Time (seconds)
sExample of Application
O-ring
Note: Mounting example
sRecommended Nozzle Dimensions
O1 O1.5 O3
122
sPrecautions
1. Compatible with the following plugs. : Plug harness type MS-147-C(LP)-1 (Effective mating length: 0.87mm min.) : SMA conversion adapter MS-147-HRMJ-1 (Effective mating length: 0.87mm min.) 2. Not washable. 3. Design the mounting holes with sufficient clearance to protect the switch from being subjected to excessive force should the board be dropped. 4. For RF interface application for portable terminals, cover the plug entry with a rubber cap to keep dust out when no plug is inserted. 5. Be sure to fully insert the plug until it contacts part P.
P
123

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