Si8440/1/2

12

Rev. 0.3

Figure 3. Thermal Derating Curve, Dependence of Safety Limiting Values

with Case Temperature per DIN EN 60747-5-2

Description

Symbol

Characteristic

Unit

Installation Classification per DIN VDE 0110

I-IV

I-III

I-II

Climatic Classification

40/125/21

Pollution Degree (DIN VDE 0110, Table 1)

2

Maximum Working Insulation Voltage

560

Input to Output Test Voltage, Method b1

charge < 5 pC)

1050

Input to Output Test Voltage, Method a

After Environmental Tests Subgroup 1

After Input and/or Safety Test Subgroup 2/3

896

672

4000

Safety-Limiting Values (Maximum value allowed in the event of a failure;

also see the thermal derating curve, Figure 3)

Case Temperature

Side 1 Current

Side 2 Current

150

265

335

ºC

mA

mA

Ω

Notes:

1. This isolator is suitable for basic electrical isolation only within the safety limit data. Maintenance of the safety data is

ensured by protective circuits.

2. The * marking on packages denotes DIN EN 60747-5-2 approval for 560 V peak working voltage.

0

200

150

100

50

300

250

200

150

100

50

0

350

Case Temperature (ºC)

SIDE #1

SIDE #2