DTA143EE [MOTOROLA]
CASE 463-01, STYLE 1 SOT-416/SC-90; CASE 463-01 ，风格1 SOT - 416 / SC- 90
| 型号： | DTA143EE |
| 厂家： | 
MOTOROLA |
| 描述： | CASE 463-01, STYLE 1 SOT-416/SC-90 |
| 文件： | 总4页 (文件大小：97K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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by DTA143EE/D
SEMICONDUCTOR TECHNICAL DATA
PNP Silicon Surface Mount Transistor with
Monolithic Bias Resistor Network
3
2
1
The BRT (Bias Resistor Transistor) contains a single transistor with a monolithic
bias network consisting of two resistors; a series base resistor and a base–emitter
resistor. These digital transistors are designed to replace a single device and its
external resistor bias network. The BRT eliminates these individual components by
integrating them into a single device. The DTA143EE is housed in the
SOT–416/SC–90 package which is ideal for low–power surface mount applications
where board space is at a premium.
CASE 463–01, STYLE 1
SOT–416/SC–90
•
•
•
•
Simplifies Circuit Design
OUT (3)
R
1
Reduces Board Space
IN (1)
Reduces Component Count
R
2
Available in 8 mm, 7 inch/3000 Unit Tape and Reel.
GND (2)
R
R
= 4.7 k
= 4.7 k
Ω
Ω
1
2
MAXIMUM RATINGS (T = 25°C unless otherwise noted)
A
Rating
Symbol
Value
–50
Unit
Output Voltage
V
O
Vdc
Vdc
Input Voltage
V
I
–30
Output Current
I
O
–100
mAdc
DEVICE MARKING
DTA143EE = 43
THERMAL CHARACTERISTICS
(1)
Power Dissipation @ T = 25°C
P
*125
mW
°C
A
D
Operating and Storage Temperature Range
Junction Temperature
T , T
J stg
–55 to +150
150
T
°C
J
ELECTRICAL CHARACTERISTICS (T = 25°C)
A
Characteristic
Symbol
Min
Typ
—
Max
–0.5
—
Unit
Input Off Voltage (V = –5.0 Vdc, I = –100 µAdc)
V
V
—
Vdc
Vdc
O
O
I(off)
Input On Voltage (V = –0.3 Vdc, I = –20 mAdc)
–3.0
—
—
O
O
I(on)
Output On Voltage (I = –10 mAdc, I = –0.5 mAdc)
V
O(on)
—
–0.3
–1.8
–500
—
Vdc
O
I
Input Current (V = –5.0 Vdc)
I
I
—
—
mAdc
nAdc
—
I
Output Cutoff Current (V = –50 Vdc)
I
—
—
O
O(off)
DC Current Gain (V = –5.0 Vdc, I = –10 mAdc)
G
20
—
O
O
I
Input Resistance
Resistance Ratio
R
3.3
0.8
4.7
1.0
6.1
kOhms
1
R /R
1
1.2
2
1. Device mounted on a FR–4 glass epoxy printed circuit board using the minimum recommended footprint.
* Typical electrical characteristic curves are not available at this time.
This document contains information on a product under development. Motorola reserves the right to change or discontinue this product without notice.
Thermal Clad is a trademark of the Bergquist Company
Motorola, Inc. 1996
MINIMUM RECOMMENDED FOOTPRINTS FOR SURFACE MOUNTED APPLICATIONS
Surface mount board layout is a critical portion of the total
design. The footprint for the semiconductor packages must
be the correct size to insure proper solder connection
interface between the board and the package. With the
correct pad geometry, the packages will self align when
subjected to a solder reflow process.
0.5 min. (3x)
TYPICAL
SOLDERING PATTERN
Unit: mm
1.4
SOT–416/SC–90 POWER DISSIPATION
The power dissipation of the SOT–416/SC–90 is a function
of the pad size. This can vary from the minimum pad size for
soldering to the pad size given for maximum power
dissipation. Power dissipation for a surface mount device is
the equation for an ambient temperature T of 25°C, one can
calculate the power dissipation of the device which in this
case is 125 milliwatts.
A
150°C – 25°C
determinedby T
ture of the die, R
θJA
, themaximumratedjunctiontempera-
, the thermal resistance from the device
J(max)
P
=
= 125 milliwatts
D
1000°C/W
junction to ambient; and the operating temperature, T .
A
Using the values provided on the data sheet, P can be
D
The 1000°C/W assumes the use of the recommended
footprint on a glass epoxy printed circuit board to achieve a
power dissipation of 125 milliwatts. Another alternative would
be to use a ceramic substrate or an aluminum core board
such as Thermal Clad . Using a board material such as
Thermal Clad, a higher power dissipation can be achieved
using the same footprint.
calculated as follows:
T
– T
A
J(max)
P
=
D
R
θJA
The values for the equation are found in the maximum
ratings table on the data sheet. Substituting these values into
SOLDERING PRECAUTIONS
The melting temperature of solder is higher than the rated
temperature of the device. When the entire device is heated
to a high temperature, failure to complete soldering within a
short time could result in device failure. Therefore, the
following items should always be observed in order to
minimize the thermal stress to which the devices are
subjected.
•
•
•
The soldering temperature and time should not exceed
260°C for more than 10 seconds.
When shifting from preheating to soldering, the
maximum temperature gradient should be 5°C or less.
After soldering has been completed, the device should
be allowed to cool naturally for at least three minutes.
Gradual cooling should be used as the use of forced
cooling will increase the temperature gradient and result
in latent failure due to mechanical stress.
•
•
Always preheat the device.
The delta temperature between the preheat and
soldering should be 100°C or less.*
•
Mechanical stress or shock should not be applied during
cooling.
•
When preheating and soldering, the temperature of the
leads and the case must not exceed the maximum
temperature ratings as shown on the data sheet. When
using infrared heating with the reflow soldering method,
the difference should be a maximum of 10°C.
* Soldering a device without preheating can cause excessive
thermal shock and stress which can result in damage to the
device.
2
Motorola Small–Signal Transistors, FETs and Diodes Device Data
SOLDER STENCIL GUIDELINES
Prior to placing surface mount components onto a printed
or stainless steel with a typical thickness of 0.008 inches.
The stencil opening size for the surface mounted package
should be the same as the pad size on the printed circuit
board, i.e., a 1:1 registration.
circuit board, solder paste must be applied to the pads. A
solder stencil is required to screen the optimum amount of
solder paste onto the footprint. The stencil is made of brass
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 1 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/infrared 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 5
HEATING
ZONES 4 & 7
“SPIKE”
STEP 6 STEP 7
VENT COOLING
STEP 1
PREHEAT
ZONE 1
“RAMP”
STEP 2
VENT
“SOAK” ZONES 2 & 5
“RAMP”
STEP 3
HEATING
STEP 4
HEATING
ZONES 3 & 6
“SOAK”
205
PEAK AT
SOLDER JOINT
° TO 219°C
200
°
C
C
170°C
DESIRED CURVE FOR HIGH
MASS ASSEMBLIES
160°C
150°C
150°
SOLDER IS LIQUID FOR
40 TO 80 SECONDS
(DEPENDING ON
140°C
100°C
MASS OF ASSEMBLY)
100
°
C
C
DESIRED CURVE FOR LOW
MASS ASSEMBLIES
50°
TIME (3 TO 7 MINUTES TOTAL)
T
MAX
Figure 1. Typical Solder Heating Profile
Motorola Small–Signal Transistors, FETs and Diodes Device Data
3
PACKAGE DIMENSIONS
–A–
NOTES:
S
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
2
STYLE 1:
PIN 1. BASE
2. EMITTER
3. COLLECTOR
3
MILLIMETERS
INCHES
G
–B–
DIM
A
B
C
D
G
H
J
K
L
MIN
0.70
1.40
0.60
0.15
MAX
0.80
1.80
0.90
0.30
MIN
MAX
0.031
0.071
0.035
0.012
1
0.028
0.055
0.024
0.006
D 3 PL
M
0.20 (0.008)
B
0.20 (0.008)
A
K
1.00 BSC
0.039 BSC
–––
0.10
1.45
0.10
0.10
0.25
1.75
0.20
–––
0.004
0.057
0.004
0.004
0.010
0.069
0.008
J
S
0.50 BSC
0.020 BSC
C
L
H
CASE 463–01
ISSUE A
SOT–416/SC–90
Motorola reserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and
specificallydisclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters which may be provided in Motorola
datasheetsand/orspecificationscananddovaryindifferentapplicationsandactualperformancemayvaryovertime. Alloperatingparameters,including“Typicals”
must be validated for each customer application by customer’s technical experts. Motorola does not convey any license under its patent rights nor the rights of
others. Motorola products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other
applicationsintended to support or sustain life, or for any other application in which the failure of the Motorola product could create a situation where personal injury
ordeathmayoccur. ShouldBuyerpurchaseoruseMotorolaproductsforanysuchunintendedorunauthorizedapplication,BuyershallindemnifyandholdMotorola
and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees
arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that
Motorola was negligent regarding the design or manufacture of the part. Motorola and
Opportunity/Affirmative Action Employer.
are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal
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51 Ting Kok Road, Tai Po, N.T., Hong Kong. 852–26629298
DTA143EE/D
◊
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DTA143EE3 (新产品)
DTA143EE3 is an digital transistor (Resistor built-in type transistor). Built-in bias resistors enable the configuration of an inverter circuit without connecting external input resistors.
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