SNWA - SNWM
SURFACE MOUNT RECTIFIERS
PRV : 50 - 1000 Volts
Io : 1.0 Amperes
FEATURES :
* High current capability
* High surge current capability
* High reliability
* Low reverse current
* Low forward voltage drop
MECHANICAL DATA :
* Case : SMA Molded plastic
* Epoxy : UL94V-O rate flame retardant
* Lead : Lead Formed for Surface Mount
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.067 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
SYMBOL
SNWA SNWB SNWD SNWG SNWJ SNWK SNWM
UNIT
Maximum Repetitive Peak Reverse Voltage
V
RRM
50
100
200
400
600
800
1000
V
Maximum RMS Voltage
V
RMS
35
70
140
280
420
560
700
V
Maximum DC Blocking Voltage
V
DC
50
100
200
400
600
800
1000
V
Maximum Average Forward Current Ta = 70
C
I
F
1.0
A
Peak Forward Surge Current
8.3ms Single half sine wave Superimposed
on rated load (JEDEC Method)
Maximum Forward Voltage at I
F
= 1.0 Amp.
V
F
1.0
V
Maximum DC Reverse Current Ta = 25
C
I
R
0.2
A
at rated DC Blocking Voltage Ta = 100
C
I
R(H)
25
A
Typical Junction Capacitance (Note1)
C
J
30
pF
Junction Temperature Range
T
J
- 65 to + 150
C
Storage Temperature Range
T
STG
- 65 to + 150
C
Notes :
(1) Measured at 1.0 MHz and applied reverse voltage of 4.0V
DC
Page 1 of 2
Rev. 01 : Mar 23, 2002
RATING
I
FSM
50
A
2.0
0.2
2.1
0.2
SMA (DO-214AC)
1.2
0.2
5.0
0.15
4.5
0.15
2.6
0.15
Dimensions in millimeter
1.1
0.3
0.2
0.07
RATING AND CHARACTERISTIC CURVES ( SNWA - SNWM )
FIG.1 - DERATING CURVE FOR OUTPUT
FIG.2 - MAXIMUM NON-REPETITIVE PEAK
RECTIFIED CURRENT
FORWARD SURGE CURRENT
0
25
50
75
100
125
150
175
1
2
4
6
10
20
40
60
100
AMBIENT TEMPERATURE, (
C)
NUMBER OF CYCLES AT 60Hz
FIG.3 - TYPICAL FORWARD CHARACTERISTICS
FIG.4 - TYPICAL REVERSE CHARACTERISTICS
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
FORWARD VOLTAGE, VOLTS
Page 2 of 2
Rev. 01 : Mar 23, 2002
0.8
0.6
0.4
0.2
1.0
10
1.0
40
0
50
0
30
20
10
1.0
80
0.1
0.01
10
0.1
100
140
0
20
40
60
120
PERCENT OF RATED REVERSE
VOLTAGE, (%)
PEAK FORWARD SURGE
CURRENT, AMPERES
AVERAGE FORWARD OUTPUT
CURRENT, AMPERES
FORWARD CURRENT, AMPERES
REVERSE CURRENT,
MICROAMPERES
0.01
Ta = 25
C
TJ = 25
C
Pulse Width = 300
s
2% Duty Cycle
Ta = 25
C
Ta = 100
C
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