1n4942g-1n4948g.pdf

1N4942G
RECTRON
THRU
SEMICONDUCTOR
TECHNICAL SPECIFICATION
1N4948G
FAST RECOVERY GLASS PASSIVATED RECTIFIER
VOLTAGE RANGE 200 to 1000 Volts CURRENT 1.0 Ampere
FEATURES
*
*
*
*
*
High reliability
Low leakage
Low forward voltage drop
Glass passivated junction
High switch capability
DO-41
MECHANICAL DATA
*
*
*
*
*
Case: Molded plastic
Epoxy: Device has UL flammability classification 94V-O
Lead: MIL-STD-202E method 208C guaranteed
Mounting position: Any
Weight: 0.35 gram
1.0 (25.4)
MIN.
.205 (5.2)
.166 (4.2)
.034 (0.9)
DIA.
.028 (0.7)
.107 (2.7)
.080 (2.0)
DIA.
1.0 (25.4)
MIN.
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
o
Ratings 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%.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS (At T A = 25 oC unless otherwise noted)
SYMBOL
1N4942G
1N4944G
1N4946G
1N4947G
1N4948G
UNITS
Maximum Recurrent Peak Reverse Voltage
RATINGS
VRRM
200
400
600
800
1000
Volts
Maximum RMS Voltage
VRMS
140
280
420
560
700
Volts
VDC
200
400
600
800
1000
Volts
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at T A = 55 oC
Peak Forward Surge Current 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range
IO
1.0
Amps
I FSM
30
Amps
CJ
15
pF
T J , T STG
-55 to + 150
0
C
ELECTRICAL CHARACTERISTICS (At TA = 25oC unless otherwise noted)
CHARACTERISTICS
Maximum Instantaneous Forward Voltage at 1.0A DC
Maximum DC Reverse Current
at Rated DC Blocking Voltage TA = 25 oC
Maximum Full Load Reverse Current Full Cycle
Average, .375” (9.5mm) lead length at T L = 55 oC
Maximum Reverse Recovery Time (Note 1)
NOTES : 1. Test Conditions: IF = 0.5A, IR = -1.0A, I RR = -0.25A
2. Measured at 1 MHZ and applied reverse voltage of 4.0 volts
SYMBOL
VF
1N4942G
1N4944G
1N4946G
1.3
1N4947G
1N4948G
5.0
UNITS
Volts
uAmps
IR
100
trr
150
uAmps
250
500
nSec
2002-11
FIG. 1 - TYPICAL FORWARD
CURRENT DERATING CURVE
INSTANTANEOUS FORWARD CURRENT, (A)
AVERAGE FORWARD CURRENT, (A)
RATING AND CHARACTERISTIC CURVES ( 1N4942G THRU 1N4948G )
1.50
1.25
1.00
.75
.50
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
.25
0
25
50
75
100
125 150
175
AMBIENT TEMPERATURE, ( )
FIG. 2 - TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
10
TJ = 25
1.0
Pulse Width = 300us
1% Duty Cycle
.1
.01
.4
.6
.8
1.0
1.2
1.4 1.6
INSTANTANEOUS FORWARD VOLTAGE, (V)
FIG. 3 - MAXIMUM NON-REPETITIVE FORWARD
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
SURGE CURRENT
INSTANTANEOUS REVERSE CURRENT, (uA)
FORWARD SURGE CURRENT, (A)
50
40
30
20
10
8.3ms Single Half Sine-Wave
(JEDED Method)
0
10
TJ = 125
1.0
TJ = 75
.1
TJ = 25
.01
1
2
4 6 8 10
20
40 60 80100
NUMBER OF CYCLES AT 60Hz
FIG. 5 - TYPICAL JUNCTION CAPACITANCE
JUNCTION CAPACITANCE, (pF)
20
200
60
40
(+)
25 Vdc
(approx)
(-)
20
10
6
4
TJ = 25
20
40
60 80 100 120 140
FIG. 6 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY
TIME CHARACTERISTIC
50
NONINDUCTIVE
100
10
NONINDUCTIVE
trr
+0.5A
(-)
D.U.T
PULSE
GENERATOR
(NOTE 2)
1
NONINDUCTIVE
OSCILLOSCOPE
(NOTE 1)
0
-0.25A
(+)
-1.0A
1cm
NOTES:1 Rise Time = 7ns max. Input Impedance =
1 megohm. 22pF.
2. Rise Time = 10ns max. Source Impedance =
50 ohms.
2
1
.1
0
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
.2 .4
1.0 2 4
10 20 40
REVERSE VOLTAGE, ( V )
SET TIME BASE FOR
50/100 ns/cm
100
RECTRON
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