參數(shù)資料
型號： HSDL-3211-021
廠商： Avago Technologies Ltd.
英文描述： IrDA㈢ Data Compliant Low Power 1.15 Mbit/s Infrared Transceiver
中文描述： 紅外線㈢數(shù)據(jù)兼容低功耗1.15 Mbit / s的紅外收發(fā)器
文件頁數(shù)： 9/18頁
文件大?。?/td> 184K
代理商： HSDL-3211-021
9
Recommended Reflow Profile
Process Zone
Symbol
T
Maximum
T/
time
Heat Up
P1, R1
25
°
C to 160
°
C
4
°
C/s
Solder Paste Dry
P2, R2
160
°
C to 200
°
C
0.5
°
C/s
Solder Reflow
P3, R3
200
°
C to 255
°
C (260
°
C at 10 seconds max)
4
°
C/s
P3, R4
255
°
C to 200
°
C
-6
°
C/s
Cool Down
P4, R5
200
°
C to 25
°
C
-6
°
C/s
The reflow profile is a straight-
line representation of a nominal
temperature profile for a convec-
tive reflow solder process. The
temperature profile is divided
into four process zones, each with
different
T/
time temperature
change rates. The
T/
time rates
are detailed in the above table.
The temperatures are measured
at the component to printed
circuit board connections.
In
process zone P1
, the PC board
and HSDL-3211 castellation pins
are heated to a temperature of
160
°
C to activate the flux in the
solder paste. The temperature
ramp up rate, R1, is limited to
4
°
C per second to allow for even
heating of both the PC board and
HSDL-3211 castellations.
Process zone P2
should be of
sufficient time duration (60 to
120 seconds) to dry the solder
paste. The temperature is raised
to a level just below the liquidus
point of the solder, usually 200
°
C
(392
°
F).
Process zone P3
is the solder
reflow zone. In zone P3, the
temperature is quickly raised
above the liquidus point of solder
to 255
°
C (491
°
F) for optimum
results. The dwell time above the
liquidus point of solder should be
between 20 and 60 seconds. It
usually takes about 20 seconds to
assure proper coalescing of the
solder balls into liquid solder and
the formation of good solder
connections. Beyond a dwell time
of 60 seconds, the intermetallic
growth within the solder connec-
tions becomes excessive, result-
ing in the formation of weak and
unreliable connections. The
temperature is then rapidly
reduced to a point below the
solidus temperature of the
solder, usually 200
°
C (392
°
F), to
allow the solder within the
connections to freeze solid.
Process zone P4
is the cool down
after solder freeze. The cool down
rate, R5, from the liquidus point
of the solder to 25
°
C (77
°
F)
should not exceed 6
°
C per second
maximum. This limitation is
necessary to allow the PC board
and HSDL-3211 castellations to
change dimensions evenly,
putting minimal stresses on the
HSDL-3211 transceiver.
0
t-TIME (SECONDS)
T
°
C
230
220
200
180
160
120
80
50
150
100
200
250
300
255
P1
HEAT
UP
P2
SOLDER PASTE DRY
P3
SOLDER
REFLOW
P4
COOL DOWN
25
R1
R2
R3
R4
R5
60 sec.
MAX.
ABOVE
220
°
C
MAX. 260
°
C
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HSDL-3220 制造商:Avago Technologies 功能描述:TRANSCEIVER IRDA 4MB/S
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HSDL-3220-021 功能描述:紅外收發(fā)器 20-30cm 3V FIR RoHS:否 制造商:Vishay Semiconductors 波長:900 nm 連續(xù)數(shù)據(jù)傳輸:115.2 Kbit/s 傳輸距離:1 m 輻射強(qiáng)度:60 mW/sr 半強(qiáng)度角度:44 deg 脈沖寬度:2 us 最大上升時間:100 ns 最大下降時間:100 ns LED 電源電壓:- 0.5 V to 6 V 最大正向電流:80 mA 工作電壓:2.4 V to 5.5 V 最大工作溫度:+ 85 C 最小工作溫度:- 25 C 尺寸:6 mm x 3.1 mm x 1.9 mm 封裝 / 箱體: 封裝:Reel
HSDL-3310 制造商:未知廠家 制造商全稱:未知廠家 功能描述:IrDA 1.3 Data Compliant 1.15Mb/s 3-5V Infrared Transceiver
HSDL-3310#007 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecomm/Datacomm
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