BC857XTT1 Datasheet, PDF (6/8 Pages) WILLAS ELECTRONIC CORP – PNP Silicon General Purpose Transistors

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EMBOSSED TAPE AND REEL DATA FOR DISCRETES
CARRIER TAPE SPECIFICATIONS
K
t
Top Cover
Tape
B₁
K₀
See
Note 1
10 Pitches Cumulative Tolerance on
D
P₀
P₂
Tape ± 0.2mm( ± 0.008’’ )
E
A₀
FW
B₀
P
Embossment
Center Lines
of Cavity
D₁
For Components
2.0mm x 1.2mm and Larger
For Machine Reference Only
Including Draft and RADII
Concentric Around B₀
User Direction of Feed
R Min
Bar Code Label
Tape and Components
Shall Pass Around
Radius “R”
Bending Radius _{Without Damage}
10 ^o
Maximum Component Rotation
Embossed Carrier
100 mm
(3.937 ’’)
1 mm Max
Typical Component
Cavity Center Line
*Top Cover Tape
Thickness(t₁)
0.10mm
(0.004’’ )Max.
Embossment
Tape
Typical Component
Center Line
1 mm(.039’’ ) Max
250 mm
(9.843’’)
Camber (Top View)
Allowable Camber To Be 1 mm/100 mm Nonaccumulative Over 250 mm
DIMENSIONS
Tape
Size ^{B1 Max}
D
4.55mm 1.5+0.1mm
8mm _{(.179’’) - 0.0}
D₁
1.0Min
(.039’’)
E
1.75 ± 0.1mm
(.069 ± .004)
F
3.5 ± 0.05mm
(.138±.002’’)
K
P₀
2.4mmMax 4.0 ± 0.1mm
(.094’’) (.157± .004’’)
P₂
2.0 ± 0.1mm
(.079 ± .002’’)
RMin TMax
25mm 0.6mm
(.98’’) (.024’’)
WMax
8.3mm
(.327’’)
Package
SC-89
EMBOSSED TAPE AND REEL ORDERING INFORMATION
Tape Width
(mm)
8
Pitch
mm
(inch)
4.0 ± 0.1 (.157 ± .004)
Reel Size
mm (inch)
178
(7)
Devices Per Reel
and Minimum
Order Quantity
3,000
Metric dimensions govern - English are in parentheses for reference only.
NOTE 1: A 0 , B 0 , and K 0 are determined by component size. The clearance between the components and the cavity must be within
.05 mm min. to.50 mm max.,
NOTE 2: the component cannot rotate more than 10 ^o within the determined cavity.
NOTE 3: If B1 exceeds 4.2 mm (.165”) for 8 mm embossed tape, the tape may not feed through all tape feeders.
NOTE 4: Measure for 50+/-10 empty pockets at the tape leader using the ruler provided on the machine.
NOTE 5: At the end of counter units the handler will seal 110+/-10 empty pockets.
2015.02
www.willas.com.tw
Rev.L0Ï­
P6