® WON-TOP ELECTRONICS
1SS344
SURFACE MOUNT SCHOTTKY BARRIER DIODE
Pb
Features
Low Forward Voltage
Fast Switching Speed
A
PN Junction Guard Ring for Transient and
ESD Protection
For General Purpose Switching Applications
B
C
Plastic Material – UL Recognition Flammability
Classification 94V-0
E
D
H
Mechanical Data
Case: SOT-23, Molded Plastic
K
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
Polarity: See Diagram
Weight: 0.008 grams (approx.)
Mounting Position: Any
Marking: H9
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 4
J G
TOP VIEW
L
M
SOT-23
Dim
Min
Max
A
0.30
0.50
B
1.19
1.40
C
2.10
2.50
D
0.89
1.05
E
0.45
0.61
G
1.78
2.05
H
2.65
3.05
J
0.013
0.15
K
0.89
1.10
L
0.45
0.61
M
0.076 0.178
All Dimensions in mm
Maximum Ratings @TA=25°C unless otherwise specified
Characteristic
Non-Repetitive Peak Reverse Voltage Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Maximum Forward Continuous Current Average Rectified Output Current Non-Repetitive Peak Forward Surge Current Operating and Storage Temperature Range
@ t = 10ms
Symbol
VRM VRRM VRWM
VR IFM IO IFSM TJ, TSTG
Thermal Characteristics
Characteristic Power Dissipation (Note 1)
Symbol PD
Note: 1. Mounted on FR-4 PC board with minimum recommended pad layout.
Value
Unit
25
V
20
V
1500
mA
500
mA
5.0
A
-55 to +125
°C
Value
Unit
200
mW
© Won-Top Electronics Co., Ltd. Revision: October, 2018
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1SS344
® WON-TOP ELECTRONICS
Electrical Characteristics @TA=25°C unless otherwise specified
Characteristic
Forward Voltage Drop Reverse Leakage Current
@ IF = 10mA @ IF = 100mA @ IF = 500mA
@ VR = 10V @ VR = 20V
Diode Capacitance (VR = 0V, f = 1.0MHz)
Reverse Recovery Time (IF = IR = 50mA, IRR = 0.1 x IR, RL = 100Ω)
250
Symbol VF
IR CD trr 1000
Min.
Typ. 0.30 0.38 0.50
120 20
Max.
Unit
—
—
V
0.55
20 100
µA
pF
nS
IF, INSTANTANEOUS FORWARD CURRENT (mA)
PD, POWER DISSIPATION (mW)
200 TA = 100°C
100 150
100
10
TA = 25°C
TA = -25°C 50
CT, TOTAL CAPACITANCE (pF)
0 0
150
25
50
75
100
125
TA, AMBIENT TEMPERATURE (°C) Fig. 1 Power Derating Curve
120 f = 1.0MHz
90
60
30
0
0
4
8
12
16
20
VR, DC REVERSE VOLTAGE (V) Fig. 3 Total Capacitance vs. Reverse Voltage
IR, INSTANTANEOUS REVERSE CURRENT (µA)
1.0
0.1
0.2
0.3
0.4
0.5
0.6
VF, INSTANTANEOUS FORWARD VOLTAGE (V) Fig. 2 Typical Forward Characteristics
100
TA = 100°C 10
TA = 75°C
1.0
TA = 50°C
0.1
TA = 25°C
0.01
TA = 0°C
0.001
0
4
8
12
16
20
VR, INSTANTANEOUS REVERSE VOLTAGE (V) Fig. 4 Typical Reverse Characteristics
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© Won-Top Electronics Co., Ltd. Revision: October, 2018
® WON-TOP ELECTRONICS
MARKING INFORMATION
H9
H9 = Device Code
1SS344
RECOMMENDED FOOTPRINT
0.035 (0.90)
0.035 (0.90)
0.031 (0.80)
0.079 (2.00)
0.037 (0.95)
inches(mm)
PACKAGING INFORMATION
TAPE & REEL
Inspection Hole
178mm
Product ID Label
Direction of Unreeling
8mm 8mm
4mm 4mm
1.6mm
Reel Diameter (mm)
178
Quantity (PCS)
3,000
Inner Box Size L x W x H (mm)
187 x 187 x 65
Quantity (PCS)
15,000
Carton Size L x W x H (mm)
390 x 240 x 420
Quantity (PCS)
150,000
Approx. Gross Weight (KG)
10.0
Note: 1. Anti-static plastic reel, white, water clear or blue color. Inspection hole might be varied in different alignment. 2. Components are packed in accordance with EIA standard 481-1 and 481-2.
© Won-Top Electronics Co., Ltd. Revision: October, 2018
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1SS344
® WON-TOP ELECTRONICS
ORDERING INFORMATION
Product No.
1SS344-T1
Package Type
SOT-23
Shipping Quantity
3000/Tape & Reel
1.
Shipping quantity given is for minimum packing quantity only. For minimum
order quantity, please consult the Sales Department.
2.
To order RoHS / Lead Free version (with Lead Free finish), add “-LF”
suffix to part number above. For example, 1SS344-T1-LF.
WON-TOP ELECTRONICS and
are registered trademarks of Won-Top Electronics Co., Ltd (WTE). WTE has checked all information carefully and
believes it to be correct and accurate. However, WTE cannot assume any responsibility for inaccuracies. Furthermore, this information does not give the
purchaser of semiconductor devices any license under patent rights to manufacturer. WTE reserves the right to change any or all information herein
without further notice.
WARNING: DO NOT USE IN LIFE SUPPORT EQUIPMENT. WTE power semiconductor products are not authorized for use as critical components in life support devices or systems without the express written approval.
Won-Top Electronics Co., Ltd.
No. 44 Yu Kang North 3rd Road, Chine Chen Dist., Kaohsiung 806, Taiwan Phone: 886-7-822-5408 or 886-7-822-5410 Fax: 886-7-822-5417 Email:
[email protected] Internet: http://www.wontop.com
We power your everyday.
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© Won-Top Electronics Co., Ltd. .