MCT271 datasheet(5/9 Pages) VISHAY

5 / 9 page

VISHAY

MCT270/ 1/ 2/ 3/ 4/ 5/ 6/ 7

Document Number 83724

Rev. 1.4, 19-Apr-04

Vishay Semiconductors

www.vishay.com

Fig. 5 Normalized Non-saturated and saturated CTR vs. LED

Current

Fig. 6 Collector-Emitter Current vs. Temperature and LED

Current

Fig. 7 Collector-Emitter Leakage Current vs.Temp.

i4n25_05

100

0.0

0.5

1.0

1.5

IF - LED Current - mA

Normalized to:

CTRce(sat) Vce = 0.4 V

Vce=10 V, IF=10 mA, TA=25°C

NCTR

NCTR(SAT)

TA=85°C

i4n25_06

50°C

70°C

85°C

IF - LED Current - mA

25°C

i4n25_07

100

–20

–2

–1

TA - Ambient Temperature - °C

Typical

Vce =10V

Fig. 8 Normalized CTRcb vs. LED Current and Temp.

Fig. 9 Normalized Photocurrent vs. IF and Temp.

Fig. 10 Normalized Non-saturated HFE vs. Base Current and

Temperature

i4n25_08

Normalized to:

0.0

0.5

1.0

1.5

25°C

50°C

70°C

IF - LED Current - mA

100

Vcb=9.3 V, IF=10 mA, TA=25°C

i4n25_09

Normalized to:

0.01

IF - LED Current - mA

100

IF=10 mA, TA=25°C

Nib, TA=–20°C

Nib, TA= 25°C

Nib, TA= 50°C

Nib, TA= 70°C

i4n25_10

0.4

0.6

1.0

1.2

Normalized to:

Ib - Base Current -

µA

110

100

1000

Ib=20

µA, Vce=10 V, TA=25°C

25°C

70°C

–20°C

0.8

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