PT2257-SL 查看數據表（PDF） - Princeton Technology

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PT2257-SL

Electronic Volume Controller IC

Princeton Technology 

Electronic Volume Controller IC

Tel: 886-2-66296288

Fax: 886-2-29174598

URL: http://www.princeton.com.tw

PT2257

Symbol

A

A1

A2

b

b1

b2

b3

c

c1

D

D1

E

E1

e

eA

eB

eC

L

Min.

-

0.015

0.115

0.014

0.014

0.045

0.030

0.008

0.008

0.355

0.005

0.300

0.240

-

0.000

0.115

Nom.

-

-

0.130

0.018

0.018

0.060

0.039

0.010

0.010

0.365

-

0.310

0.250

0.100 BSC

0.300 BSC.

-

-

0.130

Max.

0.210

-

0.195

0.022

0.020

0.070

0.045

0.014

0.011

0.400

-

0.325

0.280

0.430

0.060

0.150

Notes:

1. Controlling Dimension: INCHES.

2. Dimensioning and tolerancing per ANSI Y14.5M-1982.

3. Symbols are defined in the “MO Series Symbol LIST” in Section 2.2 of Publication No.95.

4. Dimensions A, A1 and L are measured with the package seated in JEDEC Seating Plane Gauge

GS-3.

5. D, D1 and E1 dimension do not include mold flash or protrusions. Mold flash or protrusions shall

not exceed 0.010 inch.

6. E and eA measured with the leads constrained to be perpendicular to data -C- .

7. eB and eC are measured at the lead tips with the leads unconstrained.

8. N is the number of leads (N=8).

9. Pointed or rounded lead tips are preferred to ease insertion.

10. b2 and b3 maximum dimensions do not include dambar protrusions. Dambar protrusions shall

not exceed 0.010 (0.25mm).

11. Variation BA has a b3 dimension and is 1/2 lead package.

12. Distance between the leads including dambar protrusions to be 0.005 inch minimum.

13. Datum plane -H- coincident with the bottom of lead where lead exits the body.

14. Refer to JEDEC MS-001 variation BA.

JEDEC is the registered trademark of JEDEC SOLID STATE TECHNOLOGY ASSOCIATION.

PT2257 V1.3

- 17 -

December, 2006

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