1N4938 Fairchild Semiconductor, 1N4938 Datasheet
1N4938
Manufacturer Part Number
1N4938
Description
DIODE SS 200V 500MA DO-35
Manufacturer
Fairchild Semiconductor
Datasheet
1.1N4938_T50R.pdf
(2 pages)
Specifications of 1N4938
Voltage - Forward (vf) (max) @ If
1V @ 100mA
Voltage - Dc Reverse (vr) (max)
200V
Current - Average Rectified (io)
500mA
Current - Reverse Leakage @ Vr
100nA @ 75V
Diode Type
Standard
Speed
Fast Recovery =< 500ns, > 200mA (Io)
Reverse Recovery Time (trr)
50ns
Capacitance @ Vr, F
5pF @ 0V, 1MHz
Mounting Type
Through Hole
Package / Case
DO-204AH, DO-35, Axial
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
1N4938-1JANTX
Manufacturer:
SUMITOMO
Quantity:
1 400
Company:
Part Number:
1N4938TR
Manufacturer:
FAIRCHILD
Quantity:
10 612
©2004 Fairchild Semiconductor Corporation
Small Signal Diode
Absolute Maximum Ratings *
* These ratings are limiting values above which the serviceability of the diode may be impaired.
NOTES:
1) These ratings are based on a maximum junction temperature of 200 degrees C.
2) These are steady limits. The factory should be consulted on applications involving pulsed or low duty cycle operations.
Thermal Characteristics
Electrical Characteristics
V
I
I
T
T
P
R
V
V
I
C
t
F(AV)
FSM
R
rr
STG
J
RRM
D
R
F
T
Symbol
Symbol
JA
Symbol
Maximum Repetitive Reverse Voltage
Average Rectified Forward Current
Non-repetitive Peak Forward Surge Current
Storage Temperature Range
Operating Junction Temperature
Power Dissipation
Thermal Resistance, Junction to Ambient
Breakdown Voltage
Forward Voltage
Reverse Leakage
Total Capacitance
Reverse Recovery Time
Pulse Width = 1.0 second
Pulse Width = 1.0 microsecond
Parameter
T
Parameter
Parameter
A
=25 C unless otherwise noted
T
A
= 25 C unless otherwise noted
1N4938
Color Band Denotes Cathode
I
I
V
V
V
I
I
R
F
F
rr
R
R
R
= 100mA
= 3mA, I
= 1mA, R
= 100 A
= 75V
= 175V, T
= 0V, f = 1MHz
DO-35
Test Conditions
R
L
= 30mA
A
= 100
= 175 C
-65 to +200
Value
Value
200
500
175
500
300
1.0
4.0
Min.
200
Max.
100
100
1.0
50
5
Units
Units
mW
mA
C/W
V
A
A
C
C
Units
1N4938, Rev. A1
nA
pF
ns
V
V
A
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1N4938 Summary of contents
Page 1
... Parameter T =25 C unless otherwise noted A Test Conditions I = 100 100mA 75V 175V 175 0V 1MHz 3mA 30mA 1mA 100 rr L Value Units 200 V 500 mA 1.0 A 4.0 A -65 to +200 C 175 C Value Units 500 mW 300 C/W Min. Max. Units 200 V 1.0 V 100 nA 100 1N4938, Rev. A1 ...
Page 2
... TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended exhaustive list of all such trademarks. ® A CEx™ FAST FASTr™ ActiveArray™ FPS™ Bottomless™ FRFET™ CoolFET™ GlobalOptoisolator™ CROSSVOLT™ ...