BD945F [ISC]
isc Silicon NPN Power Transistor; ISC的硅NPN功率晶体管
| 型号： | BD945F |
| 厂家： | 
INCHANGE SEMICONDUCTOR COMPANY LIMITED |
| 描述： | isc Silicon NPN Power Transistor |
| 文件： | 总2页 (文件大小：115K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
INCHANGE Semiconductor
isc Product Specification
isc Silicon NPN Power Transistor
BD943F/945F/947F
DESCRIPTION
·DC Current Gain-
: hFE= 85(Min)@ IC= 500mA
·Complement to Type BD944F/946F/948F
APPLICATIONS
·Designed for use in audio output stages and general
purpose amplifier applications.
ABSOLUTE MAXIMUM RATINGS(Ta=25℃)
SYMBOL
PARAMETER
VALUE
UNIT
BD943F
BD945F
BD947F
BD943F
BD945F
BD947F
22
VCBO
Collector-Base Voltage
V
32
45
22
VCEO
Collector-Emitter Voltage
Emitter-Base Voltage
V
32
45
VEBO
IC
ICM
IB
5
V
A
Collector Current-Continuous
Collector Current-Peak
5
8
1
A
Base Current-Continuous
A
Collector Power Dissipation
@ TC=25℃
PC
TJ
22
W
℃
℃
Junction Temperature
150
Storage Temperature Range
-65~150
Tstg
THERMAL CHARACTERISTICS
SYMBOL
PARAMETER
MAX
UNIT
Thermal Resistance,Junction to Case
7.93
℃/W
Rth j-c
isc Website：www.iscsemi.cn
INCHANGE Semiconductor
isc Product Specification
isc Silicon NPN Power Transistor
BD943F/945F/947F
ELECTRICAL CHARACTERISTICS
TC=25℃ unless otherwise specified
SYMBOL
PARAMETER
BD943F
CONDITIONS
MIN
22
TYP.
MAX UNIT
Collector-Emitter
Sustaining Voltage
VCEO(SUS)
IC= 100mA ; IB= 0
V
BD945F
BD947F
32
45
BD943F/945F IC= 2A; IB= 0.2A
BD947F IC= 3A; IB= 0.3A
BD943F/945F IC= 2A; VCE= 1V
0.5
Collector-Emitter
Saturation Voltage
V
VCE(
)
sat
0.7
1.1
Base-Emitter
On Voltage
V
VBE(
)
on
BD947F
IC= 3A; VCE= 1V
1.3
VCB= VCBOmax; IE= 0
VCB= VCBOmax; IE= 0,TJ=150℃
0.05
mA
1
ICBO
Collector Cutoff Current
BD943F
VCE= 15V; IB= 0
VCE= 20V; IB= 0
VCE= 25V; IB= 0
VEB= 5V; IC= 0
Collector
Cutoff Current
ICEO
0.1
0.2
mA
mA
BD945F
BD947F
IEBO
hFE-1
hFE-2
Emitter Cutoff Current
DC Current Gain
IC= 10mA ; VCE= 5V
IC= 500mA ; VCE= 1V
25
85
50
40
30
3
DC Current Gain
475
BD943F/945F
BD947F
hFE-3
DC Current Gain
IC= 2A ; VCE= 1V
hFE-4
fT
DC Current Gain--Only For BD947F IC= 3A ; VCE= 1V
Current-Gain—Bandwidth Product
IC= 250mA ; VCE= 1V
MHz
2
isc Website：www.iscsemi.cn
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BD9470AFM
BD9470AFM是白色LED用高效率驱动器，适用于大屏幕液晶驱动器。BD9470AFM内置了可向光源（LED串联连接的阵列）提供适当电压的DCDC转换器。BD9470AFM内置了过电压保护（OVP: over voltage protection）、过电流检测（OCP: over current limit protection of DCDC）、短路电路保护（SCP: short circuit protection）、开路保护（open detection of LED string）等针对异常状态的保护功能。因此，可在更宽的输出电压条件及负载条件下使用。
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