Power
Transistor (120V, 2A)
2SD1857
Features
1) High breakdown voltage.
(BVCEO = 120V) 2) Low collector output capacitance.
(Typ.
20pF at VCB = 10V) 3) High transition frequency.
(fT = 80MHz) 4) Complements the 2SB1236.
Dimensions (Unit : mm)
2SD1857
6.
8
2.
5
1.
0 0.
9 14.
5 4.
4
0.
65Max.
0.
5
(1) (2) (3)
2.
54 2.
54
1.
05 0.
45
ROHM : ATV
Taping specifications
(1) Emitter (2) Collector (3) Base
Packaging specifications and hFE
Type
Package Code hFE Basic ordering unit (pieces)
2SD1857 QR
Taping TV2 2500
hFE values are classified as follows:
Item hFE
QR 120 to 270 180 to 390
Absolute maximum ratings (Ta = 25C)
Parameter
Symbol
Limits
Collector-base voltage
VCBO
120
Coll...