A1291
A1291 is 2SA1291 manufactured by SANYO.
Features
- Low saturation voltage.
- Excellent current dependence of h FE.
- Short switching time.
( ) : 2SA1291
Specifications
Absolute Maximum Ratings at Ta = 25˚C
Parameter Collector-to-Base Voltage Collector-to-Emitter Voltage Emitter-to-Base Voltage Collector Current Collector Current (Pulse) Collector Dissipation Junction Temperature Storage Temperature
Symbol
VCBO VCEO VEBO
IC ICP PC Tj
Tstg
Electrical Characteristics at Ta = 25˚C
Tc=25˚C
Conditions
Parameter
Symbol
Conditions
Collector Cutoff Current
ICBO VCB=(- )40V, IE=0
Emitter Cutoff Current
IEBO VEB=(- )4V, IC=0
DC Current Gain h FE VCE=(- )2V, IC=(- )1A
Gain-Bandwidth Product f T VCE=(- )5V, IC=(- )1A
Collector-to-Emitter Saturation Voltage
VCE(sat) IC=(- )5A, IB=(- )0.25A
- : The 2SA1291/2SC3255 are classified by 1A h FE as follows :
Rank
S h FE 70 to 140 100 to 200 140 to 280
18.0 5.6
0.8 123 2.55 2.55
2.7 14.0
1 : Base 2 : Collector 3 : Emitter SANYO : TO-220AB
Ratings (- )80 (- )60 (- )5 (- )10 (- )12 40 150
- 55 to +150
Unit V V V A A W ˚C...
