Transcript
1N4933 - 1N4937 Features •
Low forward voltage drop.
1.0 min (25.4)
•
High surge current capability.
Dimensions in inches (mm)
•
High reliability.
0.205 (5.21) 0.160 (4.06)
•
High current capability.
DO-41 COLOR BAND DENOTES CATHODE
0.107 (2.72) 0.080 (2.03) 0.034 (0.86) 0.028 (0.71)
1.0 Ampere Fast Recovery Rectifiers Absolute Maximum Ratings* Symbol IO
TA = 25°C unless otherwise noted
Parameter
Value
Units
1.0
A
30
A
2.5 20 50
W mW /°C °C/W
RθJA
Average Rectified Current .375 " lead length @ T A = 50°C Peak Forward Surge Current 8.3 ms single half-sine-wave Superimposed on rated load (JEDEC method) Total Device Dissipation Derate above 25°C Thermal Resistance, Junction to Ambient
T stg
Storage Temperature Range
-50 to +150
°C
TJ
Operating Junction Temperature
-50 to +150
°C
if(surge)
PD
*These ratings are limiting values above which the serviceability of any semiconductor device may be impaired.
Electrical Characteristics
TA = 25°C unless otherwise noted
Parameter
Device
Units
4933
4934
4935
4936
4937
Peak Repetitive Reverse Voltage
50
100
200
400
600
Maximum RMS Voltage
35
70
140
280
420
V
50
100
200
400
600
V
DC Reverse Voltage
(Rated VR)
Maximum Reverse Current @ rated VR TA = 25°C TA = 100°C Maximum Reverse Recovery Time IF = 0.5 A, IR = 1.0 A, IRR = 0.25 A Maximum Forward Voltage @ 1.0 A Typical Junction Capacitance VR = 4.0 V, f = 1.0 MHz
1999 Fairchild Semiconductor Corporation
5.0 100 150
V
µA µA nS
1.2
V
12
pF
1N4933-1N4937, Rev. A
1N4933-1N4937
Discrete POWER & Signal Technologies
1N4933-1N4937
Typical Characteristics Forward Current Derating Curve
Forward Characteristics
1
20 FORWARD CURRENT (A)
FORWARD CURRENT (A)
10 0.8
0.6 SINGLE PHASE HALF WAVE 60HZ RESISTIVE OR INDUCTIVE LOAD .375" 9.0 mm LEAD LENGTHS
0.4
0.2
0
0
25
50 75 100 125 150 AMBIENT TEMPERATURE ( º C)
3 1 0.3 0.1 TA J = 25º C Pulse Width = 300µS 200µS 2% Duty Cycle
0.03 0.01 0.6
175
1.8
2
100
30
20
10
0
1 1.2 1.4 1.6 FORWARD VOLTAGE (V)
Reverse Characteristics
40
REVERSE CURRENT ( µ A)
PEAK FORWARD SURGE CURRENT (A)
Non-Repetitive Surge Current
0.8
1
2
5 10 20 50 NUMBER OF CYCLES AT 60Hz
100
TA = 100º C
10
1 TA J = 25º C
0.1
0 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE (%)
Typical Junction Capacitance JUNCTION CAPACITANCE (pF)
20
10
5
2
1
50Ω NONINDUCTIVE
1
2
5 10 20 REVERSE VOLTAGE (V)
50Ω NONINDUCTIVE
50
+0.5A
100
trr
(-) DUT
50V (approx) 50Ω NONINDUCTIVE
Pulse Generator (Note 2)
0 -0.25A
(+) OSCILLOSCOPE (Note 1)
NOTES: 1. Rise time = 7.0 ns max; Input impedance = 1.0 megaohm 22 pf. 2. Rise time = 10 ns max; Source impedance = 50 ohms.
-1.0A 1.0cm
SET TIME BASE FOR 5/ 10 ns/ cm
Reverse Recovery Time Characterstic and Test Circuit Diagram 1N4933-1N4937, Rev. A
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Product Status
Definition
Advance Information
Formative or In Design
This datasheet contains the design specifications for product development. Specifications may change in any manner without notice.
Preliminary
First Production
This datasheet contains preliminary data, and supplementary data will be published at a later date. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design.
No Identification Needed
Full Production
This datasheet contains final specifications. Fairchild Semiconductor reserves the right to make changes at any time without notice in order to improve design.
Obsolete
Not In Production
This datasheet contains specifications on a product that has been discontinued by Fairchild semiconductor. The datasheet is printed for reference information only.
