LH1525AT, LH1525AAB, LH1525AABTR

www.vishay.com

Vishay Semiconductors

Rev. 1.9, 27-Jul-11

3

Document Number: 83823

THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT

Fig. 1 - Recommended Operating Conditions

Fig. 2 - LED Voltage vs. Temperature

Fig. 3 - LED Forward Current vs. Forward Voltage

Fig. 4 - LED Reverse Current vs. LED Reverse Voltage

SAFETY AND INSULATION RATINGS

PARAMETER

TEST CONDITION

SYMBOL

VALUE

UNIT

Climatic classification

IEC 68 part 1

40/85/21

Pollution degree

DIN VDE 0109

2

Tracking resistance

(comparative tracking index)

Insulation group llla

CTI

175

Highest allowable overvoltage

Transient overvoltage

8000

Max. working insulation voltage

Recurring peak voltage

890

Insulation resistance at 25 °C





Insulation resistance at 100 °C



Partial discharge test voltage

1669

Safety limiting values -

maximum values allowed

in the event of a failure

Case temperature

175

°C

Input current

300

mA

Output power

700

mW

Minimum external air gap (clearance)

Measured from input terminals to output

terminals, shortest distance through air

 7mm

Minimum external tracking (creepage)

Measured from input terminals to output

terminals, shortest distance path along body

 7mm

0

20

40

60

80

100

120

- 40

- 20

0

20

40

60

80

Ambient Temperature (°C)

17331

10 mA

ilh1525at_01

Ambient Temperature (°C)

- 40

- 20

0

20

40

60

80

1.6

1.5

1.4

1.3

1.2

1.1

1.0

ilh1525at_02

120

100

80

60

40

20

0

0

0.5

1

1.5

2

T = 25 °C

T = - 40 °C

T = 8 °C

LED Forward Voltage (V)

ilh1525at_03

LED Reverse Voltage (V)

0

10

8

6

4

2

0

20

40

60

80

85 °C

25 °C

- 40 °C