SI7005-B-FM View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

MFG CO.

SI7005-B-FM

DIGITAL I2C HUMIDITY AND TEMPERATURE SENSOR

Silicon Laboratories 

Si7005

10.2. 24-Pin QFN with Protective Cover

Figure 12 illustrates the package details for the Si7005 with the optional protective cover. Tables 29 and 30 list the

values for the dimensions shown in the illustration. There are two package variants with slightly different height

dimensions. The two package variants are otherwise interchangeable.

Figure 12. 24-Pin Quad Flat No Lead (QFN) With Protective Cover

Table 29. 24-Pin Package Diagram Dimensions

Dimension

Min

A1

0.00

b

0.18

Nom

Max

0.02

0.05

025

0.30

Dimension

Min

h

0.76

L

0.30

Nom

Max

0.83

0.90

0.35

0.40

D

4.00 BSC.

D2

2.55

2.65

2.75

R1

0.45

0.50

0.55

aaa

—

—

0.15

e

0.50 BSC.

bbb

—

—

0.15

E

4.00 BSC.

ccc

—

—

0.08

E2

2.55

2.65

2.75

F1

3.70

3.80

3.90

ddd

—

—

0.10

F2

3.70

3.80

3.90

Notes:

1. Dimensioning and Tolerancing per ANSI Y14.5M-1994.

2. Recommended card reflow profile is per the JEDEC/IPC J-STD-020 specification for Small Body Components.

Table 30. Package Variants

Variant A

Dimension

Min

Nom

Max

A

—

1.27

1.41

A2

0.80

0.90

1.00

Variant B

Min

Nom

Max

—

1.07

1.21

0.70

0.75

0.80

Note: All Dimensions are in mm unless otherwise noted.

Rev. 1.3

33

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