KB817D datasheet(3/8 Pages) KINGBRIGHT

Part #	KB817D

Description	GENERAL PURPOSE HIGH ISOLATION VOLTAGE SINGLE TRANSISTOR TYPE PHOTOCOUPLER SERIES

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Manufacturer	KINGBRIGHT [Kingbright Corporation]

Direct Link	http://www.us.kingbright.com

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SPEC NO: DSAD1549

REV NO: V.7

DATE: APR/07/2005

PAGE: 3 OF 8

APPROVED: J. Lu

CHECKED: Tracy Deng

DRAWN: B.H.LI

ERP: 1205000006

PHOTOCOUPLER

KB817

****Electro-optical Characteristics

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

Input

Forward voltage

VF

I F=20mA

___

1.2

1.4

V

Peak forward voltage

VFM

I FM=0.5A

___

3.0

V

Reverse current

IR

VR=4V

___

10

µA

Output

Collector dark current

ICEO

VCE =20V,I F=0mA

___

10-7

nA

Transfer

charact-

eristics

*1Current transfer ratio

CTR

I F=5mA,VCE=5V

50

___

600

%

Collector-emitter saturation voltage

VCE(sat)

I F=20mA, I C=1mA

___

0.1

0.2

C ut-o ff fre q ue nc y

fc

VCE=5V, IC=2mA

RL=100

Ω,-3dB

___

80

___

KHz

Response time

Rise time

tr

VCE=2V, IC=2mA

RL=100

Ω

___

4

18

µs

Fall time

tf

___

3

18

µs

X 100%

Classification table of current transfer ratio is shown below.

CTR=

F

I

Ic

Model No.

Rank mark

CTR(% )

KB817L

L

50 to 100

KB817A

A

80 to 160

KB817B

B

130 to 260

KB817C

C

200 to 400

KB817D

D

300 to 600

KB817AB

A or B

80 to 260

KB817BC

B or C

130 to 400

KB817CD

C or D

200 to 600

KB817AC

A,B or C

80 to 400

KB817BD

B,C or D

130 to 600

KB817AD

A,B,C or D

80 to 600

KB817

L,A,B,C,D or No mark

50 to 600

A

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