1N4933 1N4937
1 of 3 2002 Won-Top Electronics
1N4933 1N4937
1.0A FAST RECOVERY RECTIFIER
Features
!
Diffused
Junction
!
Low Forward Voltage Drop
!
High Current Capability A B A
!
High
Reliability
!
High Surge Current Capability
Mechanical Data
C
!
Case: Molded Plastic D
!
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
!
Polarity:
Cathode
Band
!
Weight: 0.34 grams (approx.)
!
Mounting
Position:
Any
!
Marking: Type Number
Maximum Ratings and Electrical Characteristics
@T
A
=25C unless otherwise specified
Single Phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristic
Symbol
1N4933
1N4934
1N4935
1N4936
1N4937
Unit
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
50
100
200
400
600
V
RMS Reverse Voltage
V
R(RMS)
35
70
140
280
420
V
Average Rectified Output Current
(Note 1) @T
A
= 55C
I
O
1.0
A
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave superimposed on
rated load (JEDEC Method)
I
FSM
30
A
Forward Voltage @I
F
= 1.0A
V
FM
1.2
V
Peak Reverse Current @T
A
= 25C
At Rated DC Blocking Voltage @T
A
= 100C
I
RM
5.0
100
A
Reverse Recovery Time (Note 2)
t
rr
200
nS
Typical Junction Capacitance (Note 3)
C
j
15
pF
Operating Temperature Range
T
j
-65 to +125
C
Storage Temperature Range
T
STG
-65 to +150
C
*Glass passivated forms are available upon request
Note: 1. Leads maintained at ambient temperature at a distance of 9.5mm from the case
2. Measured with IF = 0.5A, IR = 1.0A, IRR = 0.25A. See figure 5.
3. Measured at 1.0 MHz and applied reverse voltage of 4.0V D.C.
WTE
POWER SEMICONDUCTORS
DO-41
Dim
Min
Max
A
25.4
--
B
4.06
5.21
C
0.71
0.864
D
2.00
2.72
All Dimensions in mm
I
,
PEAK
FOR
W
ARD
SURGE
CURRENT
(A)
FSM
0
10
20
30
1
10
100
NUMBER OF CYCLES AT 60 Hz
Fig. 3 Peak Forward Surge Current
Pulse Width 8.3ms
Single Half-Sine-Wave
(JEDEC Method)
1
10
100
1
10
100
C
,
CAP
ACIT
ANCE
(pF)
j
V , REVERSE VOLTAGE (V)
Fig. 4 Typical Junction Capacitance
R
T = 25C
f = 1MHz
j
0
0.2
0.4
0.6
0.8
1.0
25
50
75
100
125
150
175
200
I
,
A
VERAGE
FWD
RECTIFIED
CURRENT
(A)
(A
V)
T , AMBIENT TEMPERATURE (C)
Fig. 1 Forward Derating Curve
A
Single phase half-wave
60 Hz resistive or inductive load
50V DC
Approx
50
NI (Non-inductive)
10
NI
1.0
NI
Oscilloscope
(Note 1)
Pulse
Generator
(Note 2)
Device
Under
Test
t
rr
Set time base for 5/10ns/cm
+0.5A
0A
-0.25A
-1.0A
Notes:
1. Rise Time = 7.0ns max. Input Impedance = 1.0M , 22pF.
2. Rise Time = 10ns max. Input Impedance = 50 .
Fig. 5 Reverse Recovery Time Characteristic and Test Circuit
(+)
(+)
(-)
(-)
0.01
0.1
1.0
10
0.6
0.8
1.0
1.2
1.4
I
,
INST
ANT
ANEOUS
FWD
CURRENT
(A)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
F
T = 25C
j
Pulse width = 300 s
1N4933 1N4937
2 of 3 2002 Won-Top Electronics
1N4933 1N4937
3 of 3 2002 Won-Top Electronics
ORDERING INFORMATION
Product No.
!
!
!
!
Package Type
Shipping Quantity
1N4933-T3
DO-41
5000/Tape & Reel
1N4933-TB
DO-41
5000/Tape & Box
1N4933
DO-41
1000 Units/Box
1N4934-T3
DO-41
5000/Tape & Reel
1N4934-TB
DO-41
5000/Tape & Box
1N4934
DO-41
1000 Units/Box
1N4935-T3
DO-41
5000/Tape & Reel
1N4935-TB
DO-41
5000/Tape & Box
1N4935
DO-41
1000 Units/Box
1N4936-T3
DO-41
5000/Tape & Reel
1N4936-TB
DO-41
5000/Tape & Box
1N4936
DO-41
1000 Units/Box
1N4937-T3
DO-41
5000/Tape & Reel
1N4937-TB
DO-41
5000/Tape & Box
1N4937
DO-41
1000 Units/Box
Products listed in bold are WTE Preferred devices.
!
T3 suffix refers to a 13" reel. TB suffix refers to Ammo Pack.
Shipping quantity given is for minimum packing quantity only. For minimum order
quantity, please consult the Sales Department.
Won-Top Electronics Co., Ltd (WTE) has checked all information carefully and believes it to be correct and accurate. However, WTE cannot assume any
responsibility for inaccuracies. Furthermore, this information does not give the purchaser of semiconductor devices any license under patent rights to
manufacturer. WTE reserves the right to change any or all information herein without further notice.
WARNING: DO NOT USE IN LIFE SUPPORT EQUIPMENT. WTE power semiconductor products are not authorized for use as critical components in life
support devices or systems without the express written approval.
We power your everyday.
Won-Top Electronics Co., Ltd.
No. 44 Yu Kang North 3rd Road, Chine Chen Dist., Kaohsiung, Taiwan
Phone: 886-7-822-5408 or 886-7-822-5410
Fax: 886-7-822-5417
Email: sales@wontop.com
Internet: http://www.wontop.com
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