Anterwell Technology Ltd.
Large Original stock of IC Electronics Components, Transistors, Diodes etc.
High Quality, Reasonable Price, Fast Delivery.
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 | Product Details:
 Payment & Shipping Terms:
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| Collector-base Voltage BCY78: | -32 V (MAX) | Collector-base Voltage BCY79: | -45 V (MAX) | 
|---|---|---|---|
| Collector-emitter Voltage BCY78: | -32 V (MAX) | Collector-emitter Voltage BCY79: | -45 V (MAX) | 
| Collector Current (DC): | -100 MA (MAX) | Transition Frequency: | 100 MHz (MIN) | 
| Highlight: | multi emitter transistor,silicon power transistors | ||
BCY78; BCY79
PNP switching transistors
FEATURES PINNING
• Low current (max. 100 mA)
| PIN | DESCRIPTION | 
| 1 | emitter | 
| 2 | base | 
| 3 | collector, connected to case | 
• Low voltage (max. 45 V).
APPLICATIONS
• Switching and amplification.
DESCRIPTION
PNP switching transistor in a TO-18 metal package.
NPN complements: BCY58 and BCY59.
QUICK REFERENCE DATA
| SYMBOL | PARAMETER | CONDITIONS | MIN. | MAX. | UNIT | 
| VCBO 
 | collector-base voltage BCY78 BCY79 | open emitter 
 
 | 
 -- -- | 
 -32 -45 | 
 V V | 
| VCEO 
 
 | collector-emitter voltage BCY78 BCY79 | open base 
 
 | -- -- | -32 -45 | 
 V V | 
| IC | collector current (DC) | -- | -100 | mA | |
| Ptot | total power dissipation | Tamb ≤ 45 °C | -- | 340 | mW | 
| Tcase ≤ 45 °C | -- | 1 | W | ||
| hFE | DC current gain BCY78/VII; BCY79/VII BCY78/VIII; BCY79/VIII BCY78/IX; BCY79/IX BCY78/X | IC = −2 mA; VCE = −5 V 
 
 
 
 | 
 120 180 250 380 | 
 220 310 460 630 | |
| fT | transition frequency | IC = −10 mA; VCE = −5 V | 100 | -- | MHz | 
| toff | turn-off time | ICon = −100 mA; IBon = −10 mA; IBoff = 10 mA | -- | 400 | ns | 
PACKAGE OUTLINE
Metal-can cylindrical single-ended package; 3 leads SOT18/13

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