Datasheet

SX1302
Datasheet Rev 1.0
DS.SX1302.W.APP June 2019
28 of 31
www.semtech.com
11.4 Reflow Profiles
Reflow process instructions are available from the Semtech website, at the following address:
http://www.semtech.com/quality/ir_reflow_profiles.html
The transceiver uses a QFN68 7x7mm package, also named MLP package.
11.5 Tape and Reel Specification

Pin #1
Figure 11-4: Tape and Reel Specification
Table 11-1: Tape and Reel Specification
11.6 Thermal Impedance
The thermal impedance of this package is:
• 28.3 °C/W when used in still air (natural convection)
• 21.6 °C/W when used with an air speed of 1 m/s
• 19.5 °C/W when used with an air speed of 2.5 m/s
This measurement is made with a 1.6 mm 4-layer PCB of 87 cm
2
, metallized over 55 cm
2
, with 16 vias of 0.3 mm diameter.
Package
Size
Carrier Tape (mm) Reel
Tape
Width
1
(W)
1. Tolerance for tape width is +/- 0.3 mm
Pocket
2
Pitch
(P)
2. Single Sprocket holes, pocket pitch range +/-0.1 mm
A
O
3
3. Range from nominal values for Ao and Bo is +/-0.2 mm
B
O
K
O
4
4. Range is +/-0.1 mm
Reel
Size
[in]
Reel
Width
[mm]
Min.
Trailer
Length
[mm]
Min.
Leader
Length
[mm]
QTY per
Reel
7 x 7 16 12 7.3 7.3 1.1 13 16.4 400 400 3000