RC0S2CA1K00JET【PDF 3/4 页】RES POWER 1.0K OHM .25W 5% SMD

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Sheet目录2300

1页 2页 [3页]4页

WIREWOUND

SURFACE MOUNT

Surface Mount Power

200

180

160

140

120

100

80

60

40

20

Package limit hot spot temperature rise

Alumina

FR4

Solder joint

100% 200% 300%

The temperature rise graph

data was obtained by a

selection of test substrate

size and trace width for

each resistor size to limit

operating temperatures to

safe values.

The operating temperature

safe rises are either 100°C

substrate temperature rise

or 180°C package hot spot

temperature rise at 25°C

ambient.

FR4: 0.062 in. thick; 0.062

in. traces

Alumina: 0.040 in. thick;

0.010 in. traces

Molding material rated at

205°C continuous.

Percent Rated power

DIMENSIONS

(in./mm)

A

B

N

M

L

P

E

Note 2

J

K =0.006 Ref.

O

G

Note 1

D

H

F =0.005 ± .001

I

C

Recommended

for glue dot

application

Package Outline Dimensions

PC Board Land Pattern

Packages

A

B

C

D

G

I

J

L

M

N O P

BA

CA

CB

DA

DB

EA

BB

(in.)

(mm)

(in.)

(mm)

(in.)

(mm)

(in.)

(mm)

(in.)

(mm)

(in.)

(mm)

(in.)

(mm)

.246±.020

6.248±.508

.394±.020

10.008±.508

.407±.020

10.338±.508

.455±.020

11.557±.508

.625±.020

15.875±.508

.811±.020

20.599±.508

.202±.010

5.140±.508

.136±.005

3.454±.127

.159±.005

4.039±.127

.226±.005

5.74±.127

.240±.005

6.096±.127

.273±.005

6.934±.127

.273±.005

6.934±.127

.10±.010

2.54±.127

.133 REF .110±.010 .047 Nom.

3.378 REF 2.794±.254 1.194 Nom.

.156 REF .220±.010 .062 Nom.

3.962 REF 5.588±.254 1.575 Nom.

.222 REF .260±.010 .062 Nom.

5.639 REF 6.604±.254 1.575 Nom.

.236 REF .260±.010 .062 Nom.

5.994 REF 6.604±.254 1.575 Nom.

.268 REF .417±.010 .062 Nom.

6.807 REF 10.592±.254 1.575 Nom.

.268 REF .572±.010 .093 Nom.

6.807 REF 14.529±.254 2.362 Nom.

.095 REF .079±.010 .050 Nom.

2.41 REF 2.00±.254 1.280 Nom.

.054±.012

1.372±.305

.078±.012

1.981±.305

.084±.012

2.134±.305

.143±.012

3.632±.305

.143±.012

3.632±.305

.143±.012

3.632±.305

.065±.012

1.640±.305

.136±.005

3.454±.127

.159±.005

4.038±.127

.222±.005

5.639±.127

.226±.005

5.740±.127

.226±.005

5.740±.127

.273±.005

6.934±.127

.135±.005

3.420±.127

.150

3.81

.256

6.50

.276

7.01

.317

8.05

.474

12.040

.611

15.52

0.078

1.98

.346

8.79

.524

13.31

.537

13.64

.585

14.86

.742

18.85

1.000

25.4

0.328

8.33

.098 .126 .050

2.49 3.20 1.27

.134 .126 .060

3.40 3.20 1.52

.131 .126 .093

3.33 3.20 2.36

.134 .155 .093

3.40 3.94 2.36

.134 .155 .093

3.40 3.94 2.36

.195 .155 .093

4.95 3.94 2.36

0.125 0.126 0.026

3.18 3.20 0.66

Note 1: Packages BA and CA are only available with a pedestal base. Packages CB and DA are available in either pedestal or recessed base. Packages DB and EA

are only available in a recessed base.

Note 2: Test point is .020 above PCB.

Note 3: Tape and reel dimensions per EIA 481 A except “EA” size which is 12 mm component pitch versus 16mm pitch.

Reel Dimensions

Land pattern dimensions are for reference only

A

0.795*

20.2 min.

0.059*

1.5 min.

0.512 ± .008

13.0 ± .200

C

1.973

50 min.

Size A nom. B

12mm 13” 0.488" +0.078, –0.00

12.4mm +2.0, –0.0

16mm 13” 0.646" +0.078, –0.00

16.4mm +2.0, –0.0

24mm 13” 0.961" +0.078, –0.00

24.4mm +2.0, –0.0

32mm 13” 1.276" +0.078, –0.00

C max.

0.724"

18.4mm

0.882"

22.4mm

1.196"

30.4mm

1.52"

Quantity

2000 pcs. BA or

2500 pcs. BB

1500 pcs. CA or

1000 pcs. CB

1000 pcs. DA or DB

750 pcs. EA

Full

Radius

Tape Start Slot

0.098 / 2.5 min. width

B

Measured

at Hub

32.4mm +2.0, –0.0 38.4mm

All reels are compatible with major pick-and-place machines

and made in accordance with EIA 481 A (except EA size,

which is 12mm component pitch versus 16mm pitch).

0.394 / 10 min. depth

1-866-9-OHMITE ? Int’l 1-847-258-0300 ? Fax 1-847-574-7522 ? www.ohmite.com ? info@ohmite.com

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