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Features
• Ultra-Small Surface Mount Package
• Very Low Leakage Current
• Lead Free/RoHS Compliant (Note 2)
• Qualified to AEC-Q101 Standards for High Reliability
• "Green" Device (Notes 3 and 4)
Maximum Ratings @T
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Forward Continuous Current (Note 1) Single Diode
Double Diode
Repetitive Peak Forward Current
Non-Repetitive Peak Forward Surge Current @ t = 1.0μs
@ t = 1.0ms
@ t = 1.0s
Top View BAS116T Marking: 50 BAW156T Marking: 53 BAV170T Marking: 51 BAV199T Marking: 52
= 25°C unless otherwise specified
A
Characteristic Symbol Value Unit
BAS116T, BAW156T,
BAV170T, BAV199T
SURFACE MOUNT LOW LEAKAGE DIODE
Mechanical Data
• Case: SOT-523
• Case Material: Molded Plastic, “Green” Molding Compound.
UL Flammability Classification Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020D
• Terminals: Solderable per MIL-STD-202, Method 208
• Lead Free Plating (Matte Tin Finish annealed over Alloy 42
leadframe).
• Polarity: See Diagrams Below
• Marking Information: See Diagrams Below and Page 3
• Ordering Information: See Page 2
• Weight: 0.002 grams (approximate)
SOT-523
V
V
V
R(RMS
I
I
RRM
RWM
VR
IFM
FRM
FSM
85 V
60 V
215
125
500 mA
4.0
1.0
0.5
mA
A
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 1)
Thermal Resistance Junction to Ambient Air (Note 1)
Operating and Storage Temperature Range
Electrical Characteristics @T
Characteristic Symbol Min Typ Max Unit Test Condition
Reverse Breakdown Voltage (Note 5)
Forward Voltage
Leakage Current (Note 5)
Total Capacitance
Reverse Recovery Time
Notes: 1. Device mounted on FR-4 PC board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
2. No purposefully added lead.
3. Diodes Inc.'s "Green" policy can be found on our website at http://www.diodes.com/products/lead_free/index.php.
4. Product manufactured with Date Code UO (week 40, 2007) and newer are built with Green Molding Compound. Product manufactured prior to Date
Code UO are built with Non-Green Molding Compound and may contain Halogens or Sb
5. Short duration pulse test used to minimize self-heating effect.
BAS116T, BAW156T,
BAV170T, BAV199T
Document number: DS30258 Rev. 12 - 2
A
PD
R
TJ, T
= 25°C unless otherwise specified
V
R
VF
IR ⎯ ⎯
CT ⎯
trr ⎯ ⎯
1 of 3
www.diodes.com
JA
STG
85
⎯ ⎯
2O3
-65 to +150
⎯ ⎯
0.90
1.0
1.1
1.25
5.0
80
2
Fire Retardants.
⎯
3.0
150 mW
833
V
IR = 100μA
IF = 1.0mA
IF = 10mA
V
IF = 50mA
IF = 150mA
VR = 75V
nA
nA
VR = 75V, Tj = 150°C
pF
VR = 0, f = 1.0MHz
IF = IR = 10mA,
μs
I
= 0.1 x IR, RL = 100Ω
rr
°C/W
°C
© Diodes Incorporated
March 2009

250
1,000
BAS116T, BAW156T,
BAV170T, BAV199T
(mA)
200
100
N (mW)
150
A
DISSI
100
10
1.0
E
D
50
0
0 25 50 75 100 125 150
T , AMBIENT TEMPERATURE (°C)
A
Fig. 1 Power Derating Curve
10
0.1
F
0.01
I, I
02.0
0.4
V , INSTANTANEOUS FORWAR D VOLTAGE (V )
F
0.8
1.2 1.6
Fig. 2 Typical For w a r d C haracte r istics
160
140
(nA)
1
SE
EVE
R
I,
0.1
050
T , AMBIENT TEMPERATURE ( C)
A
Fig. 3 Typical R everse Char a cteristics
150100 200
°
120
100
80
60
40
20
0
0.00 1.40
0.20
V , AVERAGE FORWARD VOLTAGE (V)
F(AVE)
Fig. 4 Typical Forward Voltage vs. Ambient Temperature
0.40
0.60
0.80
1.00
1.20
Ordering Information (Note 6)
Part Number Case Packaging
BAS116T-7-F SOT-523 3000/Tape & Reel
BAW156T-7-F SOT-523 3000/Tape & Reel
BAV170T-7-F SOT-523 3000/Tape & Reel
BAV199T-7-F SOT-523 3000/Tape & Reel
Notes: 6. For packaging details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
BAS116T, BAW156T,
BAV170T, BAV199T
Document number: DS30258 Rev. 12 - 2
2 of 3
www.diodes.com
March 2009
© Diodes Incorporated

BAS116T, BAW156T,
BAV170T, BAV199T
Marking Information
Date Code Key
Year 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012
Code M N P R S T U V W X Y Z
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Code 1 2 3 4 5 6 7 8 9 O N D
XXYM
XX = Product Type Marking Code (See Page 1, e.g. 50 = BAS116T)
YM = Date Code Marking
Y = Year (ex: N = 2002)
M = Month (ex: 9 = September)
Package Outline Dimensions
K
J
A
Dim Min Max Typ
C
B
G
H
N
D
L
M
SOT-523
A 0.15 0.30 0.22
B 0.75 0.85 0.80
C 1.45 1.75 1.60
D
⎯ ⎯
G 0.90 1.10 1.00
H 1.50 1.70 1.60
J 0.00 0.10 0.05
K 0.60 0.80 0.75
L 0.10 0.30 0.22
M 0.10 0.20 0.12
N 0.45 0.65 0.50
0° 8°
α
All Dimensions in mm
0.50
⎯
Suggested Pad Layout
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to any product herein. Diodes Incorporated does not assume any liability arising out of the application or use of any product
described herein; neither does it convey any license under its patent rights, nor the rights of others. The user of products in such applications shall
assume all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on our website,
harmless against all damages.
Diodes Incorporated products are not authorized for use as critical components in life support devices or systems without the expressed written
approval of the President of Diodes Incorporated.
Y
Dimensions Value (in mm)
Z
X
E
C
IMPORTANT NOTICE
LIFE SUPPORT
Z 1.8
X 0.4
Y 0.51
C 1.3
E 0.7
BAS116T, BAW156T,
BAV170T, BAV199T
Document number: DS30258 Rev. 12 - 2
3 of 3
www.diodes.com
March 2009
© Diodes Incorporated