1N4944-T Rectron, 1N4944-T Datasheet - Page 2

• Manufacturer Part Number: 1N4944-T
• Description: Rectifiers 1A 400V 150ns
• Manufacturer: Rectron

Specifications of 1N4944-T

• Product Category: Rectifiers
• Rohs: yes
• Product: Fast Recovery Rectifiers
• Configuration: Single
• Reverse Voltage: 400 V
• Forward Voltage Drop: 1.3 V
• Recovery Time: 150 ns
• Forward Continuous Current: 1 A
• Max Surge Current: 30 A
• Reverse Current Ir: 5 uA
• Mounting Style: Through Hole
• Package / Case: DO-41
• Maximum Operating Temperature: + 150 C
• Minimum Operating Temperature: - 65 C
• Factory Pack Quantity: 5000

200
100
1.0
50
40
30
20
10
60
40
20
10
.8
.6
.4
.2
0
0
6
4
2
1
.1
0
0
FIG. 2 - MAXIMUM NON-REPETITIVE FORWARD
1
FIG. 3 - TYPICAL JUNCTION CAPACITANCE
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
FIG. 1 - TYPICAL FORWARD CURRENT
.2 .4
25
2
RATING AND CHARACTERISTIC CURVES ( 1N4942 THRU 1N4948 )
AMBIENT TEMPERATURE, (
NUMBER OF CYCLES AT 60Hz
REVERSE VOLTAGE, ( V )
50
4
8.3ms Single Half Sine-Wave
(JEDED Method)
SURGE CURRENT
DERATING CURVE
1.0
T J = 25
6 8 10
75
2
4
100
20
10
125
20 40 100
40 60 80 100
150
)
175
NOTES: 1 Rise Time = 7ns max. Input Impedance =
50
NONINDUCTIVE
25 Vdc
(approx)
( + )
( - )
2. Rise Time = 10ns max. Source Impedance =
1 megohm. 22pF.
50 ohms.
1
NON-
INDUCTIVE
FIG. 6 - TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY
D.U.T
10
NONINDUCTIVE
OSCILLOSCOPE
(NOTE 1)
PERCENT OF RATED PEAK REVERSE VOLTAGE, (%)
1.0
.01
1.0
.01
FIG. 4 - TYPICAL REVERSE CHARACTERISTICS
20
10
10
.1
.1
INSTANTANEOUS FORWARD VOLTAGE, (V)
.4
0
TIME CHARACTERISTIC
FIG. 2 - TYPICAL INSTANTANEOUS
GENERATOR
FORWARD CHARACTERISTICS
20
(NOTE 2)
.6
PULSE
RECTRON
( + )
( - )
40
.8
-0.25A
+0.5A
60
-1.0A
1.0
0
T J = 125
T J = 75
Pulse Width=300uS
1% Duty Cycle
80 100 120 140
T J = 25
1.2
trr
1cm
T J = 25
1.4
SET TIME BASE FOR
50/100 ns/cm
1.6