SR1202 – SR1204
Taiwan Semiconductor
12A, 20V - 40V Schottky Barrier Rectifier
FEATURES
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KEY PARAMETERS
AEC-Q101 qualified available
Low forward voltage drop
Low power loss, high efficiency
Guard ring for overvoltage protection
High surge current capability
RoHS Compliant
Halogen-free according to IEC 61249-2-21
APPLICATIONS
PARAMETER
VALUE
UNIT
IF
12
A
VRRM
20 - 40
V
IFSM
320
A
TJ MAX
150
°C
Package
DO-201AD
Configuration
Single die
● Switching mode power supply (SMPS)
● Adapters
● DC to DC converter
MECHANICAL DATA
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Case: DO-201AD
Molding compound meets UL 94V-0 flammability rating
Terminal: Pure tin plated leads, solderable per J-STD-002
Meet JESD 201 class 2 whisker test
Polarity: Indicated by cathode band
Weight: 1.10g (approximately)
DO-201AD
ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise noted)
PARAMETER
SYMBOL
Marking code on the device
SR1202
SR1203
SR1204
SR1202
SR1203
SR1204
UNIT
Repetitive peak reverse voltage
VRRM
20
30
40
V
Reverse voltage, total rms value
VR(RMS)
14
21
28
V
Forward current
Surge peak forward current, single half
sine wave superimposed on rated load
IF
t = 8.3ms
IFSM
t = 10ms
Peak repetitive forward current, f > 15Hz
IFRM
Junction temperature
in DC forward mode
TJ
Storage temperature
TSTG
1
12
A
320
A
280
A
55
-55 to +150
≤ 200
-55 to +150
A
°C
°C
Version: G2105
SR1202 – SR1204
Taiwan Semiconductor
THERMAL PERFORMANCE
PARAMETER
SYMBOL
TYP
UNIT
Junction-to-lead thermal resistance
RӨJL
3
°C/W
Junction-to-ambient thermal resistance
RӨJA
24
°C/W
ELECTRICAL SPECIFICATIONS (TA = 25°C unless otherwise noted)
PARAMETER
Forward voltage
CONDITIONS
IF = 5A, TJ = 25°C
(1)
Reverse current @ rated VR
IF = 12A, TJ = 25°C
(2)
TJ = 25°C
SYMBOL
VF
IR
TJ = 100°C
TYP
MAX
UNIT
-
0.45
V
-
0.55
V
-
500
µA
-
20
mA
Notes:
1. Pulse test with PW = 0.3ms
2. Pulse test with PW = 30ms
ORDERING INFORMATION
ORDERING CODE(1)(2)
PACKAGE
PACKING
SR12x
DO-201AD
1,250 / Tape & Reel
SR12x A0G
DO-201AD
500 / Ammo box
SR12xH
DO-201AD
1,250 / Tape & Reel
SR12xHA0G
DO-201AD
500 / Ammo box
Notes:
1. "x" defines voltage from 20V (SR1202) to 40V (SR1204)
2. “H” means AEC-Q101 qualified
2
Version: G2105
SR1202 – SR1204
Taiwan Semiconductor
CHARACTERISTICS CURVES
(TA = 25°C unless otherwise noted)
Fig.1 Forward Current Derating Curve
Fig.2 Typical Junction Capacitance
10000
12
10
CAPACITANCE (pF)
DC forward
8
6
4
1000
100
2
f=1.0MHz
Vsig=50mVp-p
0
10
25
50
75
100
125
150
175
200
0.1
1
AMBIENT TEMPERATURE (°C)
INSTANTANEOUS FORWARD CURRENT (A)
TJ=100°C
1
0.1
TJ=25°C
0.01
30
40
50
60
70
80
90
100
100 10
10
1
UF1DLW
TJ=125°C
TJ=25°C
0.1
1
0.01
0.1
0.001
0.2
0.3
Pulse width 300μs
1%
1% duty
duty cycle
cycle
Pulse width
0.3
0.4
0.5
0.4
0.6
0.5
0.7
0.8
0.6
0.9
0.7
1
1.1
FORWARD VOLTAGE (V)
PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
Fig.5 Maximum Non-Repetitive Forward Surge Current
360
PEAK FORWARD SURGE CURRENT (A)
INSTANTANEOUS REVERSE CURRENT (mA)
Fig.4 Typical Forward Characteristics
10
20
100
REVERSE VOLTAGE (V)
Fig.3 Typical Reverse Characteristics
10
10
(A)
AVERAGE FORWARD CURRENT (A)
14
320
280
240
t = 8.3ms
200
160
120
t = 10.0ms
80
40
0
1
10
100
NUMBER OF CYCLES
3
Version: G2105
1.2
SR1202 – SR1204
Taiwan Semiconductor
CHARACTERISTICS CURVES
(TA = 25°C unless otherwise noted)
Fig.6 Typical Transient Thermal Characteristics
TRANSIENT THERMAL IMPEDANCE (°C/W)
100
10
1
0.1
0.01
0.1
1
10
100
PULSE DURATION (s)
4
Version: G2105
SR1202 – SR1204
Taiwan Semiconductor
PACKAGE OUTLINE DIMENSIONS
DO-201AD
MARKING DIAGRAM
5
P/N
= Marking Code
G
= Green Compound
YWW
= Date Code
F
= Factory Code
Version: G2105
SR1202 – SR1204
Taiwan Semiconductor
Notice
Specifications of the products displayed herein are subject to change without notice. TSC or anyone on its behalf,
assumes no responsibility or liability for any errors or inaccuracies.
Purchasers are solely responsible for the choice, selection, and use of TSC products and TSC assumes no liability
for application assistance or the design of Purchasers’ products.
Information contained herein is intended to provide a product description only. No license, express or implied, to
any intellectual property rights is granted by this document. Except as provided in TSC’s terms and conditions of
sale for such products, TSC assumes no liability whatsoever, and disclaims any express or implied warranty,
relating to sale and/or use of TSC products including liability or warranties relating to fitness for a particular purpose,
merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify TSC for any damages resulting from such improper use or sale.
6
Version: G2105
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