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Datasheet B642 Equivalent ( PDF ) |
| N.º | Número de pieza | Descripción | Fabricantes | Category |
| 1 | B642 | PNP Transistor, 2SB642 Transistor
2SB642
Silicon PNP epitaxial planer type
For low-power general amplification
s Features
q High foward current transfer ratio hFE. q M type package allowing easy automatic and manual insertion as
well as stand-alone fixing to the printed circuit board.
s Absolute Maximum Ratings (Ta=25˚ |  Panasonic Semiconductor | data |
B64 Datasheet ( Hoja de datos ) - resultados coincidentes |
| N.º | Número de pieza | Descripción | Fabricantes | Catagory |
| 1 | B642 | PNP Transistor, 2SB642 Transistor
2SB642
Silicon PNP epitaxial planer type
For low-power general amplification
s Features
q High foward current transfer ratio hFE. q M type package allowing easy automatic and manual insertion as
well as stand-alone fixing to the printed circuit board.
s Absolute Maximum Ratings (Ta=25˚ Panasonic Semiconductor data | | |
| 2 | B643 | PNP Transistor, 2SB643 Transistor
2SB643, 2SB644
Silicon PNP epitaxial planer type
For low-power general amplification Complementary to 2SD638 and 2SD639
s Features
q M type package allowing easy automatic and manual insertion as well as stand-alone fixing to the printed circuit board.
s Absolute Maximum Ratings (Ta=25 Panasonic Semiconductor data | | |
| 3 | B644 | PNP Transistor, 2SB644 Transistor
2SB643, 2SB644
Silicon PNP epitaxial planer type
For low-power general amplification Complementary to 2SD638 and 2SD639
6.9±0.1 1.5 2.5±0.1 1.0
1.0 2.4±0.2 2.0±0.2 3.5±0.1
Unit: mm
s Features
q
1.5 R0.9 R0.9
1.0±0.1
Parameter Collector to base voltage Colle Panasonic Semiconductor data | | |
| 4 | B645 | PNP Transistor, 2SB645 SavantIC Semiconductor
wSwiwl.iDcatoaSnheePt4NU.cPomPower Transistors
DESCRIPTION ·With TO-3 package ·High power dissipation
APPLICATIONS ·For power switching and general
purpose applications
PINNING(see Fig.2) PIN DESCRIPTION 1 Base 2 Emitter 3 Collector
Product Specification
2SB645
Fig.1 simpl  SavantIC data | | |
| 5 | B647 | PNP Transistor, 2SB647 2SB647, 2SB647A
Silicon PNP Epitaxial
Application
• Low frequency power amplifier • Complementary pair with 2SD667/A
Outline
TO-92MOD
1. Emitter 2. Collector 3. Base 3 2 1
2SB647, 2SB647A
Absolute Maximum Ratings (Ta = 25°C)
Item Collector to base voltage Collector to e  Hitachi Semiconductor data | | |
| 6 | B649 | PNP Transistor, 2SB649
UNISONIC TECHNOLOGIES CO., LTD
2SB649/A
PNP SILICON TRANSISTOR
BIPOLAR POWER GENERAL PURPOSE TRANSISTOR
1 SOT-89
APPLICATIONS
* Low frequency power amplifier complementary pair with UTC 2SB669/A
1
TO-126
1 TO-126C
1 TO-92
*Pb-free plating product number: 2SB649L/2SB649AL  Unisonic Technologies data | | |
| 7 | B649 | PNP Transistor JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD
TO-126 Plastic-Encapsulate Transistors
2SB649/2SB649A TRANSISTOR (PNP)
TO- 126
FEATURES Low Frequency Power Amplifier Complementary Pair
with 2SD669/A
1. EMITTER
MAXIMUM RATINGS (Ta=25℃ unless otherwise noted)
2. COLLECTOR
Symbol
Parameter  JCST transistor | |
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