KB8241 - Kingbright Corporation

PHOTOCOUPLER

SPEC NO: DSAD1538 REV NO: V.8 DATE: NOV/18/2008 PAGE: 1 OF 9

APPROVED: WYNEC CHECKED: Tracy Deng DRAWN: D.M.Su ERP: 1205000011

Part Number: KB8241

APPLICATIONS

1.Computer terminals

2.Registers, copiers, automatic vending machines

3.System appliances, measuring instruments

4.Programmable logic controller

5.Signal transmission between circuits of different potentials and impedances

KB8241: 2-channel type

FEATURES

DESCRIPTION

2.The lead pitch is 2.54mm

2. High current transfer ratio.(CTR:Min 600%,at I =±1mA ,V =2V)

3. High isolation voltage between input and output (Viso=5000 Vrms)

4. Compact dual-in-line package

GaAs light emitting diode and a darlington silicon phototransistor.

5. Recognized by UL and CUL, file NO. E225308

1.The KB8241 (2-channel) is optically coupled isolators containing two

1. AC Input.

FCE

GENERAL PURPOSE

HIGH ISOLATION VOLTAGE

PHOTOCOUPLER SERIES

HIGH SENSITIVITY

Features

1.AC input.

2.High current transfer ratio.(CTR:Min 600%,at IF =±1mA ,VCE =2V)

3.High isolation voltage between input and output (Viso=5000 Vrms).

4.Compact dual-in-line package KB8241: 2-channel type.

5.Recognized by UL and CUL, file NO.E225308.

6.Approved by VDE 0884 Teil2(NO:40006364).

7.RoHS compliant.

PHOTOCOUPLER

SPEC NO: DSAD1538 REV NO: V.8 DATE: NOV/18/2008 PAGE: 2 OF 9

APPROVED: WYNEC CHECKED: Tracy Deng DRAWN: D.M.Su ERP: 1205000011

Part Number: KB8241

TOLERANCE : ±0.5[±0.02 ] UNLESS OTHERWISE NOTED.

* PACKAGE DIMENSIONS (UNIT: mm)

DIP Type

Internal connection

diagram

Top View

2.54 [0.1] 0.25

Internal connection

diagram

PHOTOCOUPLER

SPEC NO: DSAD1538 REV NO: V.8 DATE: NOV/18/2008 PAGE: 3 OF 9

APPROVED: WYNEC CHECKED: Tracy Deng DRAWN: D.M.Su ERP: 1205000011

Part Number: KB8241

* Electro-optical Characteristics

(Ta=25°C)

Cut-off frequency

Parameter

Collector-emitter saturation voltage

Collector dark current

Peak forward voltage

Current transfer ratio

Forward voltage

Response time

I

CTR= X 100%

F

Ic

Transfer

charact-

eristics

Input

*1

Output

=0mA

V

CE(

sat

)

Rise time

Fall time

mA10==2V, I

V

t

=100

L

R

CE

r

f

t

Ω

C

±

V

CE

=5V, I

C

=2mA

R

L

=100

Ω

, -3dB

=

F

I

c

f

mA5=

C

0mA, I2

Symbol

I

CEO

CTR

V

FM

=±1mA, V

F

I

F

0V,I1=

CE

V

=2V

CE

0.5A±=

FM

I

V

F

=±20mA

F

I

Conditions

kH

z

μ

60 300

53 250

6

0. 18V

Unit

V

600

-6

7500

10

3.0

Typ.

1.2

Min. Max.

1.4

A

%

Parameter

Absolute Maximum Ratings

40 to 60%RH, AC for 1 minute

Emitter-collector voltage

Collector power dissipation

Collector current

Collector-emitter voltage

Power dissipation

Forward current

Operating temperature

For 10 seconds

Soldering temperature

Storage temperature

Isolation voltage

Total power dissipation

Output

Input

V

35

CEO

V

-30~+100

-55~+125

Topr

Tsol

Tstg

C

P

Viso

Ptot

ECO

V

C

I

°C

260 °C

°C

mW

150

200

5000

mW

rms

V

6

80

V

mA

(Ta=25°C)

P

F

I

Symbol

70

±50

mW

mA

Rating Unit

PHOTOCOUPLER

SPEC NO: DSAD1538 REV NO: V.8 DATE: NOV/18/2008 PAGE: 4 OF 9

APPROVED: WYNEC CHECKED: Tracy Deng DRAWN: D.M.Su ERP: 1205000011

Part Number: KB8241

10

Collector dark current I

CEO

(A)

-25 25

0

10 -9

1007550

-7

10

-8

10 -6

10 -5

V

CE

=10V

10 -4

50

Forward current I

F

(mA)

2.0

1

0.5

01.51.0

2

3.52.5 3.0

5

20

200

100

500

-10

10

-25

Relatiovecurrent transfer ration(%)

50

0

100

150

025 7550 100

50

0.8

0.9

0.7

0.6

0.5

0.4

0.3

0.1

0.2

-25

0

025

1.0

100

75

C

I

F

=10mA

40

Collector current I

C

(mA)

0

213

20

80

60

100

1mA

5

4

2mA

5mA

Pc(MAX)

Fig. 1 Current Transfor Ratio vs.

Forward Current

Fig. 2 Forward Current vs.

Forward voltage

Fig. 4 Relative Current Transfer Ratio

vs. Ambient Temperature

Fig. 3 Collector Current vs.

Collector-emitter Voltage

Fig. 5 Collector-emitter Saturation

Voltage vs. Ambient Temperature

Fig. 6 Collector Dark Current vs.

Ambient Temperature

Ta=75°C

50°C

25°C

0°C

-25°C

10

Ta=25 °C

Ambient temperature Ta (°C)

400

800

1200

1600

2000

2400

0

0.1 0.2 0.5 1 2 3 4 5 6 7 10

Current transfer ratio CTR(%)

V

CE

=2V

Ta=25°C

I

F

=1mA

V

CE

=2V

Collector-emitter saturation

voltage V

CE

(sat) (V)

I =20mA

I =5mA

F

C

Ambient temperature Ta(°C)

Collector-emitter voltage V

CE

(V)

Forward current I

F

(mA) Forward voltage V

F

(V)

Ambient temperature

Ta(° )

PHOTOCOUPLER

SPEC NO: DSAD1538 REV NO: V.8 DATE: NOV/18/2008 PAGE: 5 OF 9

APPROVED: WYNEC CHECKED: Tracy Deng DRAWN: D.M.Su ERP: 1205000011

Part Number: KB8241

0.05

Voltage gain Av (dB)

-20

-10

Frequency f(kHz)

10.5

0.2 5

250

100

Ω

R

L

=10K

Ω

1k

Ω

Fig. 10 Frequency Response

0.1

Load resistance R

L

(K

Ω

0

1

0.05

Test Circuit for Frequency Response

t

D

s

R

V

CE

=2V

I

C

=2mA

Ta=25°C

0.2 1

0.5 2

t

Output

L

R

Vcc

f

t

r

sd t

Response time (

μ

10

5

d

t

90%

100

50

Output

Input

td

Input R

D

Output

R

L

10%

Fig. 9 Response Time vs.

Load Resistance

V

CE

=2V

I

C

=10mA

Ta=25°C

500

200

Test Circuit for Response Time

trtf

Vcc

Ambient temperature Ta(°C)

Forward current I

F

(mA)

-25 0

10

0

20

30

Ambient temperature Ta(°C)

Collector power dissipation Pc(mW)

-25 0 25 50

25 50 75 100 125

100

50

0

75 100 125

Fig. 7 Forward Current vs.

Ambient Temperature

40

50

60

Fig. 8 Collector Power Dissipation vs.

Ambient Temperature

150

200

PHOTOCOUPLER

SPEC NO: DSAD1538 REV NO: V.8 DATE: NOV/18/2008 PAGE: 6 OF 9

APPROVED: WYNEC CHECKED: Tracy Deng DRAWN: D.M.Su ERP: 1205000011

Part Number: KB8241

Be aware that power is suddenly into the component any surge current may cause damage happen,

even if the voltage is within the absolute maximum ratings.

1.Recommended soldering conditions (Dip soldering)

2.Cautions regarding noise

Avoid removing the residual flux with freon-based and chlorine-based cleaning solvent.

* NOTES ON HANDLING

(2) Cautions

Fluxes

Flux

Cycle

Temperature

(1) Dip soldering

Time

Rosin flux containing small amount of chlorine

(The flux with a maximum chlorine content of 0.2 Wt % is recommended.)

One cycle allowed to be dipped in solder including plastic mold portion.

260° C or below (molten solder temperature)

Less than 10 seconds.

3mA

4

3

0

2

03.0

1.5

5mA

7

6

5

I

C

=0.5mA

1mA

8

7mA 50mA

0.5 1.0 2.0 2.5 3.5 4.0

1

Collector-emitter saturation

voltage V

CE

(sat) (V)

Ta=25°C

Fig. 11 Collector-emitter Saturation

Voltage vs. Forward Current

Forward current I

F

(mA)

Be aware that power is suddenly into the component any surge current may cause damage happen,

even if the voltage is within the absolute maximum ratings.

1.Recommended soldering conditions (Dip soldering)

2.Cautions regarding noise

Avoid removing the residual flux with freon-based and chlorine-based cleaning solvent.

* NOTES ON HANDLING

(2) Cautions

Fluxes

Flux

Cycle

Temperature

(1) Dip soldering

Time

Rosin flux containing small amount of chlorine

(The flux with a maximum chlorine content of 0.2 Wt % is recommended.)

One cycle allowed to be dipped in solder including plastic mold portion.

260° C or below (molten solder temperature)

Less than 10 seconds.

3mA

4

3

0

2

03.0

1.5

5mA

7

6

5

I

C

=0.5mA

1mA

8

7mA 50mA

0.5 1.0 2.0 2.5 3.5 4.0

1

Collector-emitter saturation

voltage V

CE

(sat) (V)

Ta=25°C

Fig. 11 Collector-emitter Saturation

Voltage vs. Forward Current

Forward current I

F

(mA)

PHOTOCOUPLER

SPEC NO: DSAD1538 REV NO: V.8 DATE: NOV/18/2008 PAGE: 7 OF 9

APPROVED: WYNEC CHECKED: Tracy Deng DRAWN: D.M.Su ERP: 1205000011

Part Number: KB8241

Within this device there exists GaAs (Gallium Arsenide) material which is a harmful substance if ingested.

We are mention about our product quality stablity, semiconductor devices in general can

GaAs dust and fumes are toxic. Do not break, cut or pulverize the product, or use chemicals to dissolve them.

CAUTION

malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical

standards of safety, and to a avoid situations in which a malfunction or failure of a

stress. It is the responsibility of the buyer, when utilizing KINGBRIGHT products, to observe

KINGBRIGHT product could cause loss of human life, bodily injury or damage to property.

In developing your designs, please ensure that KINGBRIGHT products are used within

specified operating ranges as set forth in the most recent products specifications.

RESTRICTIONS ON PRODUCT USE

The information in this document is subject to change without notice. Before using this

document, please confirm that this is the latest version. Not all devices / types available

in every country.

PHOTOCOUPLER

SPEC NO: DSAD1538 REV NO: V.8 DATE: NOV/18/2008 PAGE: 8 OF 9

APPROVED: WYNEC CHECKED: Tracy Deng DRAWN: D.M.Su ERP: 1205000011

Part Number: KB8241

TOLERANCE : ±0.4[±0.012] UNLESS OTHERWISE NOTED.

Dimension of Tube

Unit:mm

Dimension of Carton

Part Number Package Package Style

KB8241 8-pin DIP 50pcs/each tube

PHOTOCOUPLER

SPEC NO: DSAD1538 REV NO: V.8 DATE: NOV/18/2008 PAGE: 9 OF 9

APPROVED: WYNEC CHECKED: Tracy Deng DRAWN: D.M.Su ERP: 1205000011

Part Number: KB8241

PACKING & LABEL SPECIFICATIONS