5.12 Insulation Characteristics Curves

Figure 5-2. Thermal Derating Curve for Safety-Limiting Current

per VDE

0

25

50

75

100

125

150

T

A( °C)

0

200

400

600

800

1000

1200

1400

1600

G070

Figure 5-3. Thermal Derating Curve for Safety-Limiting Power

per VDE

1000

1500

2000

2500

3000

3500

4000

4500

5000

Applied Voltage (V

RMS)

1E+03

1E+04

1E+05

1E+06

1E+07

1E+08

1E+09

1E+10

1E+11

1E+12

G077

20%

VDE Safety Margin Zone

Operating Zone

TDDB Line

(<1PPM Fail Rate)

50%

TA up to 150°C, stress-voltage frequency = 60Hz, isolation working voltage = 1500VRMS, projected operating lifetime ≥50 years

Figure 5-4. Reinforced Isolation Capacitor Lifetime Projection

AMC0380D

SBASAT0 – SEPTEMBER 2025

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