STA481A
STA481A is NPN Darlington With built-in avalanche diode manufactured by Sanken.
Absolute maximum ratings
Symbol VCBO VCEO VEBO IC ICP IB PT Tj Tstg Ratings 60±10 60±10 6 1 2.5 (PW≤1ms, Du≤25%) 0.5 4 (Ta=25°C) 16 (Tc=25°C) 150
- 40 to +150
NPN Darlington With built-in avalanche diode
(Ta=25°C)
External dimensions D
- -
- STA400
(Ta=25°C)
Electrical characteristics
Symbol ICBO IEBO VCEO h FE VCE(sat) VBE(sat) VFEC ton tstg tf f T Cob 50 2000 60 5000 1.0 1.6 1.4 0.5 2.5 1.0 50 14 Specification min typ max 10 3 70 10000 1.5 2.2 1.8 V V V Unit
Unit V V V A A A W °C °C
Conditions VCB=50V VEB=6V IC=1m A VCE=4V, IC=0.5A IC=0.5A, IB=1m A IFEC=0.5A VCC 30V, IC=0.5A, IB1=- IB2=1m A VCE=12V, IE=- 0.1A VCB=10V, f=1MHz
µA m A V
µs µs µs
MHz p F s Equivalent circuit diagram
3 2 1
R1 R2
5 4 6
7 8
R1: 6kΩ typ R2: 400Ω typ
Characteristic curves
IC-VCE Characteristics (Typical)
50m A h FE-IC Characteristics (Typical)
10000 h FE-IC Temperature Characteristics (Typical)
(VCE=4V) typ
(VCE=4V) m A
IB=
5m
2m
1m
IC (A)
0.5 m...
