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  Datasheet File OCR Text:
 WA221
Surface Mount Switching Diodes
P b Lead(Pb)-Free
Features:
* Four types of packaging are available * Suitable for high packing density layout * High reliability.
SWITCHING DIODES 100 mAMPERES 20 VOLTS
3 1 2
Mechanical Data:
* Terminals: Solderable per MIL-STD-202, Method 208 * Polarity: See Diagrams Page.2 * Marking: See Diagrams Page.2 * Weight: 0.002 grams (approx)
SOT-523(SC-75)
SOT-523 Outline Dimensions
Unit:mm
A
SOT-523
Dim A B C D E G H J K L M Min 0.30 0.70 1.45 0.15 0.80 1.40 0.00 0.70 0.37 0.10 Max 0.50 0.90 1.75 0.50 0.40 1.00 1.80 0.10 1.00 0.48 0.25
TOP VIEW
B
C
D E G H K L
J
M
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WEITRON
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01-Apr-10
WA221
Maximum Ratings (Ta =25C Unless otherwise noted)
Characteristic
Reverse Voltage Forward Current Power Dissipation Operating Junction Temperature Range Storage Temperature Range
Symbol
VR IF PD TJ Tstg
Value
20 100 150 +150 -55 to +150
Unit
V mA mW C C
Electrical Characteristics (TJ=125C Unless otherwise noted)
Characteristic
Reverse Breakdown Voltage IR=100A Forward Voltage IF=10mA Reverse Leakage VR=15V Total Capacitance VR=6V, f=1.0MHz
Symbol
V(BR) VF IR CD
Min
20 -
Max
1.0 0.1 4.0
Unit
V V A pF
Device Marking
Item
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Marking
K
Eqivalent Circuit diagram
3 1 2
WA221
WEITRON
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01-Apr-10
WA221
Electrical Characteristic curves(TA=25C)
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