SOT143 Series Issue June 2006

Welwyn Components

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SOT143

4-PIN SMT Package

Schematic / Circuit Detail

Schematics

1

2

3

4

R1

Schematic D (bussed)

R2

R3

R2

1

2

4

3

Schematic C (isolated)

R3

1

2

4

3

Schematic B (series)

R2

R3

R1

1

2

4

3

Schematic A (series)

R2

R3

R1

Circuit Details for Schematic A

Schematic/Circuit Code

R1 (W)

R2 (W) R3 (W)

A001

500.0

50.0K

50.0K

A002

10.0K

10.0K

10.0K

A003

900.0

100.0

9.0K

A004

500.0

48.0K

48.0K

A005

200.0

40.0K

40.0K

Circuit Details for Schematic C

Schematic/Circuit Code

R1 (W)

R2 (W) R3 (W)

C001

N/A

10.0K

10.0K

C002

N/A

1.0K

1.0K

C003

N/A

9.0K

1.0K

C004

N/A

750.0

750.0

C005

N/A

40.0K

40.0K

C006

N/A

33.0K

330.0

C007

N/A

2.0K

2.0K

C008

N/A

10.0K

2.0K

C009

N/A

10.0K

200.0

C010

N/A

2.1K

10.0K

Circuit Details for Schematic B

Schematic/Circuit Code

R1 (W)

R2 (W) R3 (W)

B001

10.0K

10.0K

10.0K

B002

900.0

100.0

9.0K

B003

1.0K

10.0K

10.0K

Circuit Details for Schematic D

Schematic/Circuit Code

R1 (W)

R2 (W) R3 (W)

D001

121.0

1.33K

1.0K

D002

2.0K

1.0K

2.0K

D003

50.0K

5.0K

5.0K

D004

5.4K

5.4K

27.5K

D005

40.0K

40.0K

40.0K

D006

10.0K

10.0K

20.0K

D007

20.0K

20.0K

20.0K