Datasheet > PC2025A2100AT002

PC2025A2100AT002

更新时间： 2023-12-06 20:00:53

品牌	Logo	应用领域
京瓷/艾维克斯 - KYOCERA AVX		/
页数	文件大小	规格书
6页	955K
描述
Hybrid 3dB Coupler 30W

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PC2025A2100AT002 数据手册

Hybrid Couplers 3dB, 90º

Type PC2025A2100AT00

AUTOMATED SMT ASSEMBLY

The following section describes the guidelines for

automated SMT assembly of MLO^TMRF devices which are

typically Land Grid Array (LGA) packages or side termination

SMT packages.

surface mount assembly of MLO^TMRF devices onto the

PCB. Stencil thickness and aperture openings should be

adjusted according to the optimal solder volume. The

following are general recommendations for SMT mounting

of MLO^TMdevices onto the PCB.

Control of solder and solder paste volume is critical for

SMT REFLOW PROFILE

Common IR or convection reflow SMT processes shall be

used for the assembly. Standard SMT reflow profiles, for

eutectic and Pb free solders, can be used to surface mount

the MLO^TMdevices onto the PCB. In all cases, a

temperature gradient of 3°C/sec, or less, should be

maintained to prevent warpage of the package and to

ensure that all joints reflow properly. Additional soak time

and slower preheating time may be required to improve the

out-gassing of solder paste. In addition, the reflow profile

depends on the PCB density and the type of solder paste

used. Standard no-clean solder paste is generally

recommended. If another type of flux is used, complete

removal of flux residual may be necessary. Example of a

typical lead free reflow profile is shown below:

Critical Zone

T_Lto Tp

Ramp-up

T_L

t_L

Ts max

Ts min

Ramp-down

Preheat

t 25ºC to Peak

Time

Profile Parameter

Pb free, Convection, IR/Convection

3ºC/second max.

150ºC to 200ºC

Ramp-up rate (Tsmax to Tp)

Preheat temperature (Ts min to Ts max)

Preheat time (ts)

Time above T_L, 217ºC (t_L)

Peak temperature (Tp)

60 – 180 seconds

60 – 120 seconds

260°C

Time within 5ºC of peak temperature (tp)

Ramp-down rate

Time 25ºC to peak temperature

10 – 20 seconds

4ºC/second max.

6 minutes max.

The Important Information/Disclaimer is incorporated in the catalog where these speciﬁcations came from or

available online at www.avx.com/disclaimer/ by reference and should be reviewed in full before placing any order.

rf microwave products

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