STGAP1AS datasheet(21/70 Pages) STMICROELECTRONICS

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STGAP1AS

Isolation

Table 7. Isolation and safety-related specifications

Parameter

Symbol Value Unit

Conditions

Clearance

(minimum external air gap)

CLR

Measured from input terminals to output terminals, shortest

distance through air

Creepage

(minimum external tracking)

CPG

Measured from input terminals to output terminals, shortest

distance path along body

Comparative tracking index

(tracking resistance)

CTI

 400

DIN IEC 112/VDE 0303 Part 1

Isolation group

Material group (DIN VDE 0110, 1/89, Table 1)

Table 8. IEC 60747-5-2 isolation characteristics

Parameter

Symbol

Test conditions

Characteristic

Unit

Installation classification (EN 60664-1,

Table 1 - see(1))

For rated mains voltage

 150 V rms

For rated mains voltage

 300 V rms

For rated mains voltage

 600 V rms

I - IV

I - III

I - II

Pollution degree (EN 60664-1)

Maximum working isolation voltage

VIORM

1500

VPEAK

Input to output test voltage as

per IEC 60747-5-2

VPR

Method a, type test

VPR = VIORM × 1.6, tm = 10 s

Partial discharge < 5 pC

2400

VPEAK

Method b, 100 % production test

VPR = VIORM × 1.875, tm = 1 s

Partial discharge < 5 pC

2815

VPEAK

Transient overvoltage as per IEC 60747-5-2

(highest allowable overvoltage)

VIOTM tini = 60 s type test

4000

VPEAK

Maximum surge isolation voltage

VIOSM Type test

4000

VPEAK

Isolation resistance

RIO

VIO = 500 V at TS

>109



1. For three-phase systems the values in the table refer to the line-to-neutral voltage.

Table 9. Isolation voltage as per UL 1577

Description

Symbol

Characteristic

Unit

Isolation withstand voltage, 1 min. (type test)

VISO

2500\3536

Vrms\VPEAK

Isolation withstand test, 1 sec. (100% production)

VISOtest

3000\4245

Vrms\VPEAK

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