1A1 – 1A7 1 of 3 © 2002 Won-Top Electronics
1A1 – 1A7
1.0A MINIATURE SILICON RECTIFIER
Features
! Diffused Junction
! Low Forward Voltage Drop
! High Current Capability A B A
! High Reliability
! High Surge Current Capability
Mechanical Data C
! Case: Molded Plastic D
! Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
! Polarity: Cathode Band
! Weight: 0.181 grams (approx.)
! Mounting Position: Any
! Marking: Type Number
Maximum Ratings and Electrical Characteristics @TA=25°C unless otherwise specified
Single Phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristic Symbol 1A1 1A2 1A3 1A4 1A5 1A6 1A7 Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
50 100 200 400 600 800 1000 V
RMS Reverse Voltage VR(RMS) 35 70 140 280 420 560 700 V
Average Rectified Output Current
(Note 1) @TA = 75°C
IO 1.0 A
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave superimposed on
rated load (JEDEC Method)
IFSM 30 A
Forward Voltage @IF = 1.0A VFM 1.0 V
Peak Reverse Current @TA = 25°C
At Rated DC Blocking Voltage @TA = 100°C
IRM 5.050 µA
Typical Junction Capacitance (Note 2) Cj 15 pF
Typical Thermal Resistance Junction to Ambient
(Note 1) R�JA 50 K/W
Operating Temperature Range Tj -65 to +125 °C
Storage Temperature Range TSTG -65 to +150 °C
*Glass passivated forms are available upon request
Note: 1. Leads maintained at ambient temperature at a distance of 9.5mm from the case
2. Measured at 1.0 MHz and Applied Reverse Voltage of 4.0V D.C.
WTE
POWER SEMICONDUCTORS
R-1
Dim Min Max
A 20.0 —
B 2.00 3.50
C 0.53 0.64
D 2.20 2.60
All Dimensions in mm
40 60 80 100 120 140 160 180
0
0.2
0.4
0.6
0.8
1.0
I
,
A
V
E
R
A
G
E
F
O
R
W
A
R
D
R
E
C
T
IF
IE
D
C
U
R
R
E
N
T
(A
)
(A
V
)
T , AMBIENT TEMPERATURE (”C)
Fig. 1 Forward Current Derating Curve
A
C
,
C
A
P
A
C
IT
A
N
C
E
(p
F
)
j
V , REVERSE VOLTAGE (V)
Fig. 4 Typical Junction Capacitance
R
1.0 10 100
1.0
10
100
T = 25”Cj
f = 1MHz
1.0 10 100
I
,
P
E
A
K
F
O
R
W
A
R
D
S
U
R
G
E
C
U
R
R
E
N
T
(A
)
F
S
M
NUMBER OF CYCLES AT 60 Hz
Fig. 3 Max Non-Repetitive Peak Fwd Surge Current
8.3ms Single half sine-wave
JEDEC Method
40
30
20
0
10
50
0.6 0.8 1.0 1.2 1.4 1.6
0.01
0.1
1.0
I
,
IN
S
T
A
N
T
A
N
E
O
U
S
F
O
R
W
A
R
D
C
U
R
R
E
N
T
(A
)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
F
T = 25”C
PULSE WIDTH = 300µs
2% DUTY CYCLE
j
10
1A1 – 1A7 2 of 3 © 2002 Won-Top Electronics
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1A1 – 1A7 3 of 3 © 2002 Won-Top Electronics
ORDERING INFORMATION
Product No.!!!! Package Type Shipping Quantity
1A1-T3 R-1 5000/Tape & Reel
1A1-TB R-1 3000/Tape & Box
1A1 R-1 1000 Units/Box
1A2-T3 R-1 5000/Tape & Reel
1A2-TB R-1 3000/Tape & Box
1A2 R-1 1000 Units/Box
1A3-T3 R-1 5000/Tape & Reel
1A3-TB R-1 3000/Tape & Box
1A3 R-1 1000 Units/Box
1A4-T3 R-1 5000/Tape & Reel
1A4-TB R-1 3000/Tape & Box
1A4 R-1 1000 Units/Box
1A5-T3 R-1 5000/Tape & Reel
1A5-TB R-1 3000/Tape & Box
1A5 R-1 1000 Units/Box
1A6-T3 R-1 5000/Tape & Reel
1A6-TB R-1 3000/Tape & Box
1A6 R-1 1000 Units/Box
1A7-T3 R-1 5000/Tape & Reel
1A7-TB R-1 3000/Tape & Box
1A7 R-1 1000 Units/Box
Products listed in bold are WTE Preferred devices.
!T3 suffix refers to a 13” reel. TB suffix refers to Ammo Pack.
Shipping quantity given is for minimum packing quantity only. For minimum order
quantity, please consult the Sales Department.
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