SR32 SR39
1 of 3 2002 Won-Top Electronics
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 D
!
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
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
@T
A
=25C unless otherwise specified
Characteristic
Symbol
SR32
SR33
SR34
SR35
SR36
SR38
SR39
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
20
30
40
50
60
80
90
V
RMS Reverse Voltage
V
R(RMS)
14
21
28
35
42
56
64
V
Average Rectified Output Current @T
L
= 75C
I
O
3.0
A
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave superimposed on
rated load (JEDEC Method)
I
FSM
100
A
Forward Voltage @I
F
= 3.0A
V
FM
0.50
0.75
0.85
V
Peak Reverse Current @T
A
= 25C
At Rated DC Blocking Voltage @T
A
= 100C
I
RM
3.0
20 m
A
Typical Thermal Resistance Junction to Ambient
(Note 1)
R
JA
55
K/W
Operating Temperature Range
T
j
-65 to +125
C
Storage Temperature Range
T
STG
-65 to +150
C
Note: 1. Mounted on P.C. Board with 14mm
2
copper pad areas
WTE
POWER SEMICONDUCTORS
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
0.01
0.1
1.0
10
0
0.2
0.4
0.6
0.8
1.0
I
,
INST
A
N
T
A
N
E
OUS
F
OR
W
A
R
D
C
U
R
R
E
N
T
(
A
)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
F
SR32 - SR34
SR35 - SR36
T - 25C
J
I Pulse Width = 300 s
F
0
20
40
60
80
100
1
10
100
I
,
P
E
A
K
F
OR
WA
R
D
SUR
G
E
C
U
R
R
E
N
T (A
)
F
NUMBER OF CYCLES AT 60 Hz
Fig. 3 Max Non-Repetitive Peak Fwd Surge Current
Single Half-Sine-Wave
(JEDEC Method)
T = 100C
T
10
100
1000
0.1
1
10
100
C
,
J
U
N
C
T
I
O
N
CA
P
A
CI
T
A
N
C
E
(
p
F
)
J
V , REVERSE VOLTAGE (V)
Fig. 4 Typical Junction Capacitance
R
f = 1 MHz
T = 25C
J
0
20
40
60
80
100
120
140
I
,
INST
A
N
T
A
N
E
OUS R
E
VE
R
S
E
C
UR
R
E
NT
(m
A
)
R
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
Fig. 5 Typical Reverse Characteristics
T = 100C
j
T = 75C
j
T = 25C
j
100
10
1.0
0.1
0.01
1k
0
0.5
1.0
25
50
75
100
125
150
I
A
V
ERA
G
E
F
O
R
W
A
R
D
C
U
RRE
N
T
(
A
)
O,
T , LEAD TEMPERATURE (C)
Fig. 1 Forward Current Derating Curve
L
1.5
2.0
2.5
3.0
SR38 - SR39
SR32 SR39
2 of 3 2002 Won-Top Electronics
SR32 SR39
3 of 3 2002 Won-Top Electronics
ORDERING INFORMATION
Product No.
!
!
!
!
Package Type
Shipping Quantity
SR32-T1
SMB
500/Tape & Reel
SR32-T3
SMB
3000/Tape & Reel
SR33-T1
SMB
500/Tape & Reel
SR33-T3
SMB
3000/Tape & Reel
SR34-T1
SMB
500/Tape & Reel
SR34-T3
SMB
3000/Tape & Reel
SR35-T1
SMB
500/Tape & Reel
SR35-T3
SMB
3000/Tape & Reel
SR36-T1
SMB
500/Tape & Reel
SR36-T3
SMB
3000/Tape & Reel
SR38-T1
SMB
500/Tape & Reel
SR38-T3
SMB
3000/Tape & Reel
SR39-T1
SMB
500/Tape & Reel
SR39-T3
SMB
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)
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.
We power your everyday.
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
0.082 MIN
(2.10 MIN)
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(2.69 MAX)
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