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PDF BD678A Data sheet ( Hoja de datos )
| Número de pieza | BD678A | |
| Descripción | Complementary power Darlington transistors | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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BD6xxx
Complementary power Darlington transistors
Features
■ Good hFE linearity
■ High fT frequency
■ Monolithic Darlington configuration with
integrated antiparallel collector-emitter diode
Applications
■ Linear and switching industrial equipment
Description
The devices are manufactured in planar base
island technology with monolithic Darlington
configuration.
.
1
2
3
SOT-32
Figure 1. Internal schematic diagram
R1 typ.= 15 KΩ
Table 1. Device summary
Order codes
BD677
BD677A
BD678
BD678A
BD679
BD679A
BD680
BD680A
BD681
BD682
Marking
BD677
BD677A
BD678
BD678A
BD679
BD679A
BD680
BD680A
BD681
BD682
January 2008
Rev 5
Package
SOT-32
R2 typ.= 100 Ω
Packaging
Tube
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www.st.com
12
1 page  
BD6xxx
Electrical characteristics
Note:
Table 3. Electrical characteristics (continued)
Symbol
Parameter
Test conditions
Min. Typ. Max. Unit
hFE(1)
DC current gain
for BD677, BD678,
BD679, BD680, BD681,
BD682
IC = 1.5 A_ _ VCE = 3 V
for BD677A, BD678A,
BD679A, BD680A
IC = 2 A_ _ VCE = 3 V
750
1. Pulsed duration = 300 ms, duty cycle ≥1.5%.
For PNP types voltage e current values are negative.
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5 Page 
BD6xxx
4 Revision history
Revision history
Table 4. Document revision history
Date
Revision
Changes
21-Jun-2004
4
14-Jan-2008
1. Technology change from epybase to planar.
5
2. Updated Section 2.1: Typical characteristic (curves) on
page 6
3. Content reworked to improve readability.
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11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet BD678A.PDF ] | |
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