Table 4. Dynamic electrical characteristics

Symbol

Parameter

Test conditions

Min.

Typ.

Max.

Unit

QCj (1)

Total capacitive charge

VR = 800 V

-

103

-

nC

Cj

Total capacitance

VR = 0 V, Tc = 25 °C, F = 1 MHz

-

1548

-

pF

VR = 800 V, Tc = 25 °C, F = 1 MHz

-

73

-

1.

Most accurate value for the capacitive charge:

QcjVR = ∫0VRCjVdV

Figure 1. Current and voltage waveforms for avalanche energy test across D.U.T (device under test)

VCL_DUT

IAS

i(t), v(t)

t

tp

IDUT

IL

Figure 2. Thermal transient impedance model circuit of the diode – Zth(j-c)

Table 5. Components typical values of the diode thermal transient impedance model Zth(j-c)

Ref.

Value (K/W)

Ref.

Value (J/K)

Rth1

17.9m

Cth1

2.55m

Rth2

138m

Cth2

1.15m

Rth3

169m

Cth3

8.60m

Rth4

99.1m

Cth4

46.7m

Rth5

26.1m

Cth5

625m

STPSC20G12-Y

Characteristics

DS14117 - Rev 1

page 3/10