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參數(shù)資料
| 型號： | RF1450 |
| 廠商： | RF MICRO DEVICES INC |
| 元件分類： | 衰減器 |
| 英文描述： | RoHS Compliant & Pb-Free Product Package Style: QFN, 16-pin, 3mmx3mm |
| 中文描述： | 0 MHz - 2500 MHz RF/MICROWAVE SGL POLE FOUR THROW SWITCH, 0.8 dB INSERTION LOSS |
| 封裝： | 3 X 3 MM, 0.90 MM HEIGHT, LEADLESS, QFN-16 |
| 文件頁數(shù)： | 12/12頁 |
| 文件大小： | 406K |
| 代理商： | RF1450 |
12 of 12
RF1450
Rev A0 DS070531
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
PCB Solder Mask Pattern
Liquid Photo-Imageable (LPI) solder mask is recommended. The solder mask footprint will match what is shown for the PCB
metal land pattern with a 2mil to 3mil expansion to accommodate solder mask registration clearance around all pads. The
center-grounding pad shall also have a solder mask clearance. Expansion of the pads to create solder mask clearance can be
provided in the master data or requested from the PCB fabrication supplier.
Thermal Pad and Via Design
The PCB land pattern has been designed with a thermal pad that matches the die paddle size on the bottom of the device.
Thermal vias are required in the PCB layout to effectively conduct heat away from the package. The via pattern has been
designed to address thermal, power dissipation and electrical requirements of the device as well as accommodating routing
strategies.
The via pattern used for the RFMD qualification is based on thru-hole vias with 0.203mm to 0.330mm finished hole size on a
0.5mm to 1.2mm grid pattern with 0.025mm plating on via walls. If micro vias are used in a design, it is suggested that the
quantity of vias be increased by a 4:1 ratio to achieve similar results.
B
B
B
B
A
A
A
A
B B B B
A
A
A
A
C
A = 0.74 x 0.38 Typ.
B = 0.38 x 0.74 Typ.
C = 1.70 Sq.
Dimensions in mm.
Pin 16
Pin 1
Pin 8
Pin 12
1.50
Typ.
0.50 Typ.
0.50 Typ.
0.55 Typ.
0.55 Typ.
0.75 Typ.
1.50
Typ.
0.75 Typ.
Figure 2. PCB Solder Mask Pattern (Top View)
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| RF1450-000 | 制造商:TE Connectivity 功能描述:- Trays 制造商:TE Connectivity 功能描述:GAS TUBE 8MM 75V 20% 10KA 制造商:TE CONNECTIVITY RAYCHEM-POLYSWITCH 功能描述:GDT / GTCA38-750M-R10 |
| RF1450PCBA-410 | 制造商:RFMD 制造商全稱:RF Micro Devices 功能描述:RoHS Compliant & Pb-Free Product Package Style: QFN, 16-pin, 3mmx3mm |
| RF1454-000 | 制造商:TE Connectivity 功能描述:- Tape and Reel 制造商:TE Connectivity 功能描述:POLYSWITCH PTC RESET 0.50A 制造商:TE CONNECTIVITY RAYCHEM-POLYSWITCH 功能描述:RLINE / RKEF050-AP |
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