Ordering number:ENN4135
PNP/NPN Epitaxial Planar Silicon Transistors
2SA1855/2SC4837
50V/4A Switching Applications
App...
Ordering number:ENN4135
PNP/
NPN Epitaxial Planar Silicon
Transistors
2SA1855/2SC4837
50V/4A Switching Applications
Applications
· Power supplies, relay drivers, lamp drivers.
Features
· Adoption of FBET and MBIT processes. · Large allowable collector dissipation. · Low saturation voltage. · Wide ASO and large current capacity. · Usage of radial taping to meet automatic mounting.
Package Dimensions
unit:mm
2084B
[2SA1855/2SC4837]
4.5
10.5
1.9 1.2
2.6 1.4
1.0 8.5
( ) : 2SA1855
Specifications
Absolute Maximum Ratings at Ta = 25˚C
Parameter Collector-to-Base Voltage Collector-to-Emitter Voltage Emitter-to-Base Voltage Collector Current Colletor Current (Pulse) Collector Dissipation Junction Temperature Storage Temperature
Symbol
VCBO VCEO VEBO
IC ICP PC Tj
Tstg
1.2
1.6 0.5
123
2.5 Conditions
2.5
7.5
0.5
1 : Emitter 2 : Collector 3 : Base SANYO : FLP
Ratings (–)60 (–)50 (–)6 (–)4 (–)6 1.5 150
–55 to +150
Unit V V V A A W ˚C ˚C
Electrical Characteristics at Ta = 25˚C
Parameter
Symbol
Conditions
Collector Cutoff Current Emitter Cutoff Current
DC Current Gain
Gain Bandwidth Product Output Capacitance
ICBO IEBO hFE1 hFE2
fT Cob
VCB=(–)40V, IE=0 VEB=(–)4V, IC=0 VCE=(–)2V, IC=(–)10mA VCE=(–)2V, IC=(–)3A VCE=(–)10V, IC=(–)50mA VCB=(–)10V, f=1MHz
* : The 2SA1855/2SC4837 are classified by 100mA hFE as follows :
Rank hFE
RST 100 to 200 140 to 280 200 to 400
Ratings min typ max
Unit
(–)1 µA
(–)1 µA
100* 40
400*
150 (39)25
MHz pF
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