RECOVERY RECTIFIERS. 1N4948G Datasheet

1N4948G RECTIFIERS. Datasheet pdf. Equivalent


Formosa MS 1N4948G
1N4942G THRU 1N4948G
1.0 AMP GLASS PASSIVATED FAST RECOVERY RECTIFIERS
FEATURES
* Low forward voltage drop
* Low leakage current
* High reliability
* High current capability
* Glass passivated junction
MECHANICAL DATA
* Case: Molded plastic
* Epoxy: UL 94V-0 rate flame retardant
* Lead: Axial leads, solderable per MIL-STD-202,
method 208 guranteed
* Polarity: Color band denotes cathode end
* Mounting position: Any
* Weight: 0.34 grams
VOLTAGE RANGE
50 to 1000 Volts
CURRENT
1.0 Ampere
DO-41
.107(2.7)
.080(2.0)
DIA.
1.0(25.4)
MIN.
.205(5.2)
.166(4.2)
.034(.9)
.028(.7)
DIA.
1.0(25.4)
MIN.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating 25 C ambient temperature uniess otherwies specified.
Single phase half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
TYPE NUMBER
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
.375"(9.5mm) Lead Length at Ta=55 C
Peak Forward Surge Current, 8.3 ms single half sine-wave
superimposed on rated load (JEDEC method)
Maximum Instantaneous Forward Voltage at 1.0A
Maximum DC Reverse Current
Ta=25 C
at Rated DC Blocking Voltage
Ta=100 C
Maximum Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note 2)
Operating and Storage Temperature Range TJ, TSTG
1N4942G
200
140
200
1N4944G
400
280
400
1N4946G
600
420
600
1N4947G
800
560
800
1N4948G UNITS
1000
700
V
V
1000
V
1.0 A
30
1.3
5.0
100
150 250
15
-65 +175
A
V
mA
mA
500 nS
pF
C
NOTES:
1. Reverse Recovery Time test condition: IF=0.5A, IR=1.0A, IRR=0.25A
2. Measured at 1MHz and applied reverse voltage of 4.0V D.C.


1N4948G Datasheet
Recommendation 1N4948G Datasheet
Part 1N4948G
Description 1.0 AMP GLASS PASSIVATED FAST RECOVERY RECTIFIERS
Feature 1N4948G; 1N4942G THRU 1N4948G 1.0 AMP GLASS PASSIVATED FAST RECOVERY RECTIFIERS VOLTAGE RANGE 50 to 1000 V.
Manufacture Formosa MS
Datasheet
Download 1N4948G Datasheet




Formosa MS 1N4948G
RATING AND CHARACTERISTIC CURVES (1N4942G THRU 1N4948G)
FIG.1-TYPICAL FORWARD
CHARACTERISTICS
50
10
3.0
1.0
0.1
Tj=25 C
Pulse Width 300us
1% Duty Cycle
.01
.6
.8 1.0 1.2 1.4 1.6 1.8 2.0
FORWARD VOLTAGE,(V)
FIG.3- TEST CIRCUIT DIAGRAM AND REVERSE
RECOVERY TIME CHARACTERISTICS
50W
NONINDUCTIVE
10W
NONINDUCTIVE
(+)
25Vdc
(approx.)
()
D.U.T.
1W
NON-
INDUCTIVE
OSCILLISCOPE
(NOTE 1)
()
PULSE
GENERATOR
(NOTE 2)
(+)
NOTES: 1. Rise Time= 7ns max., Input Impedance= 1 megohm.22pF.
2. Rise Time= 10ns max., Source Impedance= 50 ohms.
+0.5A
0
-0.25A
trr
|
|
|
|
|
|
|
|
-1.0A
1cm
SET TIME BASE FOR
50 / 10ns / cm
FIG.2-TYPICAL FORWARD CURRENT DERATING CURVE
1.2
1.0
0.8
0.6
0.4
0.2
0
Single Phase
Half Wave 60Hz
Resistive Or Inductive Load
0.375"(9.5mm) Lead Length
20 40 60 80 100 120 140 160 180 200
AMBIENT TEMPERATURE ( C)
FIG.4-MAXIMUM NON-REPETITIVE FORWARD
SURGE CURRENT
30
24
18
Tj=25 C
8.3ms Single Half
12 Sine Wave
JEDEC method
6
0
1
5 10
50 100
NUMBER OF CYCLES AT 60Hz
35
30
25
20
15
10
5
0
.01
FIG.5-TYPICAL JUNCTION CAPACITANCE
.05 .1
.5 1
5 10
REVERSE VOLTAGE,(V)
50 100







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