WTE
POWER SEMICONDUCTORS
SR32 – SR39
3.0A SURFACE MOUNT SCHOTTKY BARRIER RECTIFIER
Features
!
!
!
!
!
!
!
Schottky Barrier Chip
Ideally Suited for Automatic Assembly
B
Low Power Loss, High Efficiency
Surge Overload Rating to 100A Peak
For Use in Low Voltage Application
A
Guard Ring Die Construction
F
Plastic Case Material has UL Flammability
Classification Rating 94V-O
C
H
G
E
SMB/DO-214AA
Dim
Min
Max
A
3.30
3.94
B
4.06
4.70
C
1.91
2.11
D
0.152
0.305
E
5.08
5.59
F
2.13
2.44
G
0.051
0.203
H
0.76
1.27
All Dimensions in mm
D
Mechanical Data
!
!
!
!
!
Case: Low Profile Molded Plastic
Terminals: Solder Plated, Solderable
per MIL-STD-750, Method 2026
Polarity: Cathode Band or Cathode Notch
Marking: Type Number
Weight: 0.093 grams (approx.)
Maximum Ratings and Electrical Characteristics
Characteristic
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Average Rectified Output Current @T
L
= 75°C
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave superimposed on
rated load (JEDEC Method)
Forward Voltage
Peak Reverse Current
At Rated DC Blocking Voltage
@I
F
= 3.0A
@T
A
= 25°C
@T
A
= 100°C
Symbol
V
RRM
V
RWM
V
R
V
R(RMS)
I
O
SR32
@T
A
=25°C unless otherwise specified
SR33
SR34
SR35
SR36
SR38
SR39
Unit
20
14
30
21
40
28
50
35
3.0
60
42
80
56
90
64
V
V
A
I
FSM
V
FM
I
RM
R
JA
T
j
T
STG
0.50
100
0.75
3.0
20
55
-65 to +125
-65 to +150
0.85
A
V
mA
K/W
°C
°C
Typical Thermal Resistance Junction to Ambient
(Note 1)
Operating Temperature Range
Storage Temperature Range
Note: 1. Mounted on P.C. Board with 14mm
2
copper pad areas
SR32 – SR39
1 of
3
©
2002
Won-Top Electronics
2.5
I
F
, INSTANTANEOUS FORWARD CURRENT (A)
3.0
10
I
O,
AVERAGE FORWARD CURRENT (A)
SR35 - SR36
SR32 - SR34
2.0
1.0
1.5
SR38 - SR39
1.0
0.1
0.5
0
25
50
75
100
125
150
T
J
- 25ºC
I
F
Pulse Width = 300
µ
s
0.01
0
0.2
0.4
0.6
0.8
1.0
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
1000
f = 1 MHz
T
J
= 25°C
T
L
, LEAD TEMPERATURE (ºC)
Fig. 1 Forward Current Derating Curve
100
I
F
, PEAK FORWARD SURGE CURRENT (A)
Single Half-Sine-Wave
(JEDEC Method)
80
T
T
= 100°C
60
C
J
, JUNCTION CAPACITANCE (pF)
100
40
20
0
1
10
100
10
0.1
1
10
100
NUMBER OF CYCLES AT 60 Hz
Fig. 3 Max Non-Repetitive Peak Fwd Surge Current
V
R
, REVERSE VOLTAGE (V)
Fig. 4 Typical Junction Capacitance
I
R
, INSTANTANEOUS REVERSE CURRENT (mA)
1k
100
10
T
j
= 100ºC
1.0
T
j
= 75ºC
0.1
T
j
= 25ºC
0.01
0
20
40
60
80
100
120
140
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
Fig. 5 Typical Reverse Characteristics
SR32 – SR39
2
of
3
©
2002
Won-Top Electronics
ORDERING INFORMATION
Product No.
!
SR32-T1
SR32-T3
SR33-T1
SR33-T3
SR34-T1
SR34-T3
SR35-T1
SR35-T3
SR36-T1
SR36-T3
SR38-T1
SR38-T3
SR39-T1
SR39-T3
Package Type
SMB
SMB
SMB
SMB
SMB
SMB
SMB
SMB
SMB
SMB
SMB
SMB
SMB
SMB
Shipping Quantity
500/Tape & Reel
3000/Tape & Reel
500/Tape & Reel
3000/Tape & Reel
500/Tape & Reel
3000/Tape & Reel
500/Tape & Reel
3000/Tape & Reel
500/Tape & Reel
3000/Tape & Reel
500/Tape & Reel
3000/Tape & Reel
500/Tape & Reel
3000/Tape & Reel
Products listed in
bold
are WTE
Preferred
devices.
!
T1 suffix refers to a 7” reel. T3 suffix refers to a 13” reel.
Shipping quantity given is for minimum packing quantity only. For minimum order
quantity, please consult the Sales Department.
RECOMMENDED FOOTPRINT
0.050 MIN
(1.27 MIN)
0.082 MIN
(2.10 MIN)
0.106 MAX
(2.69 MAX)
inches(mm)
Won-Top Electronics Co., Ltd (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, Taiwan
Phone:
886-7-822-5408 or 886-7-822-5410
Fax:
886-7-822-5417
Email:
sales@wontop.com
Internet:
http://www.wontop.com
We power your everyday.
© 2002 Won-Top Electronics
SR32 – SR39
3 of 3
DIY/Open Source Hardware
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