參數(shù)資料
型號: MTD1N80E
廠商: MOTOROLA INC
元件分類: JFETs
英文描述: TMOS POWER FET 1.0 AMPERES 800 VOLTS RDS(on) = 12 OHM
中文描述: 1 A, 800 V, 12 ohm, N-CHANNEL, Si, POWER, MOSFET
文件頁數(shù): 9/10頁
文件大?。?/td> 269K
代理商: MTD1N80E
9
Motorola TMOS Power MOSFET Transistor Device Data
TYPICAL SOLDER HEATING PROFILE
For any given circuit board, there will be a group of control
settings that will give the desired heat pattern. The operator
must set temperatures for several heating zones, and a figure
for belt speed. Taken together, these control settings make up
a heating “profile” for that particular circuit board. On
machines controlled by a computer, the computer remembers
these profiles from one operating session to the next. Figure
17 shows a typical heating profile for use when soldering a
surface mount device to a printed circuit board. This profile will
vary among soldering systems but it is a good starting point.
Factors that can affect the profile include the type of soldering
system in use, density and types of components on the board,
type of solder used, and the type of board or substrate material
being used. This profile shows temperature versus time. The
line on the graph shows the actual temperature that might be
experienced on the surface of a test board at or near a central
solder joint. The two profiles are based on a high density and
a low density board. The Vitronics SMD310 convection/in-
frared reflow soldering system was used to generate this
profile. The type of solder used was 62/36/2 Tin Lead Silver
with a melting point between 177–189
°
C. When this type of
furnace is used for solder reflow work, the circuit boards and
solder joints tend to heat first. The components on the board
are then heated by conduction. The circuit board, because it
has a large surface area, absorbs the thermal energy more
efficiently, then distributes this energy to the components.
Because of this effect, the main body of a component may be
up to 30 degrees cooler than the adjacent solder joints.
STEP 1
PREHEAT
ZONE 1
“RAMP”
STEP 2
VENT
“SOAK”
STEP 3
HEATING
ZONES 2 & 5
“RAMP”
STEP 4
HEATING
ZONES 3 & 6
“SOAK”
STEP 5
HEATING
ZONES 4 & 7
“SPIKE”
170
°
C
STEP 6
VENT
STEP 7
COOLING
200
°
C
150
°
C
100
°
C
50
°
C
TIME (3 TO 7 MINUTES TOTAL)
Figure 17.
TMAX
SOLDER IS LIQUID FOR
40 TO 80 SECONDS
(DEPENDING ON
MASS OF ASSEMBLY)
205
°
TO 219
°
C
PEAK AT
SOLDER JOINT
DESIRED CURVE FOR LOW
MASS ASSEMBLIES
100
°
C
150
°
C
160
°
C
140
°
C
Typical Solder Heating Profile
DESIRED CURVE FOR HIGH
MASS ASSEMBLIES
相關(guān)PDF資料
PDF描述
MTD20N06HD TMOS POWER FET 20 AMPERES 60 VOLTS RDS(on) = 0.045 OHM
MTD20N06HDL TMOS POWER FET LOGIC LEVEL 20 AMPERES 60 VOLTS RDS(on) = 0.045 OHM
MTD20P03 TMOS POWER FET LOGIC LEVEL 19 AMPERES 30 VOLTS RDS(on) = 0.099 OHM
MTD20N06 TMOS POWER FET 20 AMPERES 60 VOLTS RDS(on) = 0.080 OHM
MTD20P06 TMOS POWER FET LOGIC LEVEL 15 AMPERES 60 VOLTS RDS(on) = 175 MOHM
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MTD1P40ET4 制造商:Rochester Electronics LLC 功能描述:- Bulk
MTD1P50E 制造商:MOTOROLA 制造商全稱:Motorola, Inc 功能描述:TMOS POWER FET 1.0 AMPERES 500 VOLTS 15 OHM
MTD2001 制造商:SHINDENGEN 制造商全稱:Shindengen Electric Mfg.Co.Ltd 功能描述:Stepping Motor Driver ICs
MTD2001-4101 功能描述:馬達/運動/點火控制器和驅(qū)動器 VCEO=60 IO=1.5 PT=5 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube
MTD2001-4102 功能描述:馬達/運動/點火控制器和驅(qū)動器 VCEO=60 IO=1.5 PT=5 RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Stepper Motor Controllers / Drivers 類型:2 Phase Stepper Motor Driver 工作電源電壓:8 V to 45 V 電源電流:0.5 mA 工作溫度:- 25 C to + 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HTSSOP-28 封裝:Tube