SOT143-03-C001-GGPB - Welwyn Components, Ltd.

Welwyn Components

General Note

Welwyn Components reserves the right to make changes in product specification without notice or liability.

All information is subject to Welwyn’s own data and is considered accurate at time of going to print. A subsidiary of

TT electronics plc

SOT143 Series Issue June 2006

Telephone: +44 (0) 1670 822181 • Facsimile: +44 (0) 1670 829465 • Email: info@welwyn-tt.com • Website: www.welwyn-tt.com

SOT143

4-PIN SMT Package

• Ratio tolerances to ±0.05%

• Small, industry standard package

• Standard and custom circuits available

• Standard Sn/Pb and Pb-free terminations available

SOT143 Series

Physical Data (mm)

Power Derating Curve

25° 70° 125°

100

50

10

% Of Rated Power

Temperature in °C

Speciﬁcations

noitapissiDrewoPegakcaP C

°

07@sttaW52.0

noitapissiDrewoPtnemelE C

°

07@sttaW1.0

gnitaRegatloVmumixaM stloV001

egnaRerutarepmeTgnitarepO C

°

521+otC°55-

etulosbAtneiciffeoCerutarepmeT C°/mpp52±oT

gnikcarTtneiciffeoCerutarepmeT C°/mpp2±

.........................................................................

Characteristic Value

2.92 ± 0.1

0.1

max 1.0 ±0.1

0.43 min

0.51 max

0.56 ref.

0.076 min

0.178 max

0.56

±0.05 1.91 BSC

2.36

±0.25

1.30±

0.1

0.84

±0.1

12

34

1.0 ref.

1.02 min

1.19 max.

1.91 ref.

2.21ref.

1.45 ref.

0.79 min.

0.635 ref.

12

34

RECOMMENDED PAD L AYOUT

SOT143 Series Issue June 2006

Welwyn Components

Telephone: +44 (0) 1670 822181 • Facsimile: +44 (0) 1670 829465 • Email: info@welwyn-tt.com • Website: www.welwyn-tt.com

SOT143

4-PIN SMT Package

Schematic / Circuit Detail

Schematics

1 2

34

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

SOT143 - 01 - A 002 - F B

Style

Absolute TCR Code

00 = ±250ppm/°C; 01 = ±100ppm/°C

02 = ±50ppm/°C; 03 = ±25ppm/°C

Schematic Code

A, B, C, D

Circuit Number

See Schematic/Circuit Detail Tables

Absolute Tolerance Code

K = ±10%; J = ±5%; G = ±2%; F = ±1%

D = ±0.5%; C = ±0.25%; B = ±0.1%

Ratio Tolerance Code

G = ±2%; F = ±1%; D = ±0.5%

C = ±0.25%; B = ±0.1%; A = ±0.05%

Finish

Blank = pb-free

PB= SnPb

SOT143 Series Issue June 2006

IRC Advanced Film Division

Telephone: +44 (0) 1670 822181 • Facsimile: +44 (0) 1670 829465 • Email: info@welwyn-tt.com • Website: www.welwyn-tt.com

SOT143

4-PIN SMT Package

Ordering Procedure

Environmental Data

10438-FRP-LIMoTtseTlatnemnorivnE timiLHcitsiretcarahC mumixaM ecnamrofrePlacipyT

kcohSlamrehT %5.0± %1.0± %20.0±

gninoitidnoCrewoP %5.0± %1.0± %30.0±

daolrevOemiTtrohS %1.0± %1.0± %20.0±

erusopxEerutarepmeThgiH %2.0± %1.0± %50.0±

noitarepOerutarepmeTwoL %

1

.0± %1.0± %30.0±

ecnatsiseRerutsioM %4.0± %1.0± %30.0±

efiL %5.0± %1.0± %50.0±

taeHredloSotecnatsiseR %1.0± %50.0± %20.0±

htgnertSlanimreT %52.0± %1.0± %20.0±

.....................................................................................................................................................

For additional information or to discuss your specific

requirements, please contact our Applications Team