WTE
POWER SEMICONDUCTORS
1N4933 – 1N4937
Pb
1.0A FAST RECOVERY DIODE
Features
!
!
!
!
!
Diffused Junction
Low Forward Voltage Drop
High Current Capability
High Reliability
High Surge Current Capability
A
B
A
Mechanical Data
!
!
!
!
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!
Case: DO-41, Molded Plastic
Terminals: Plated Leads Solderable per
MIL-STD-202, Method 208
Polarity: Cathode Band
Weight: 0.34 grams (approx.)
Mounting Position: Any
Marking: Type Number
Lead Free: For RoHS / Lead Free Version,
Add “-LF” Suffix to Part Number, See Page 4
D
DO-41
Dim
Min
Max
25.4
—
A
4.06
5.21
B
0.71
0.864
C
2.00
2.72
D
All Dimensions in mm
C
Maximum Ratings and Electrical Characteristics
Single Phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
@T
A
=25°C unless otherwise specified
Characteristic
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
RMS Reverse Voltage
Average Rectified Output Current
(Note 1)
@T
A
= 55°C
Symbol
V
RRM
V
RWM
V
R
V
R(RMS)
I
O
1N4933
1N4934
1N4935
1N4936
1N4937
Unit
50
35
100
70
200
140
1.0
400
280
600
420
V
V
A
Non-Repetitive Peak Forward Surge Current
8.3ms Single half sine-wave superimposed on
rated load (JEDEC Method)
Forward Voltage
Peak Reverse Current
At Rated DC Blocking Voltage
Reverse Recovery Time (Note 2)
Typical Junction Capacitance (Note 3)
Operating Temperature Range
Storage Temperature Range
@I
F
= 1.0A
@T
A
= 25°C
@T
A
= 100°C
I
FSM
V
FM
I
RM
t
rr
C
j
T
j
T
STG
30
1.2
5.0
100
200
15
-65 to +125
-65 to +150
A
V
µA
nS
pF
°C
°C
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.
1N4933 – 1N4937
1 of 4
© 2006 Won-Top Electronics
I
(AV)
, AVERAGE FWD RECTIFIED CURRENT (A)
1.0
10
0.8
I
F
, INSTANTANEOUS FWD CURRENT (A)
1.0
0.6
0.4
0.1
0.2
Single phase half-wave
60 Hz resistive or inductive load
T
j
= 25°C
Pulse width = 300 µs
0
25
50
75
100
125
150
175
200
T
A
, AMBIENT TEMPERATURE (°C)
Fig. 1 Forward Derating Curve
0.01
0.6
0.8
1.0
1.2
1.4
V
F
, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
100
Pulse Width 8.3ms
Single Half-Sine-Wave
(JEDEC Method)
I
FSM
, PEAK FORWARD SURGE CURRENT (A)
30
T
j
= 25°C
f = 1MHz
20
C
j
, CAPACITANCE (pF)
10
10
0
1
10
NUMBER OF CYCLES AT 60 Hz
Fig. 3 Peak Forward Surge Current
100
1
1
10
V
R
, REVERSE VOLTAGE (V)
Fig. 4 Typical Junction Capacitance
t
rr
+0.5A
50
Ω
NI (Non-inductive)
10
Ω
NI
100
Device
Under
Test
(-)
Pulse
Generator
(Note 2)
0A
(+)
50V DC
Approx
-0.25A
(-)
1.0
Ω
NI
Oscilloscope
(Note 1)
(+)
Notes:
1. Rise Time = 7.0ns max. Input Impedance = 1.0M
Ω
, 22pF.
2. Rise Time = 10ns max. Input Impedance = 50
Ω
.
-1.0A
Set time base for 5/10ns/cm
Fig. 5 Reverse Recovery Time Characteristic and Test Circuit
1N4933 – 1N4937
2 of 4
© 2006 Won-Top Electronics
MARKING INFORMATION
TAPING SPECIFICATIONS
0.8mm
MAX
5mm
1N493x
WTE
Cathode
1N493x
x
WTE
= Polarity Band
= Device Number
= 3, 4, 5, 6 or 7
= Manufacturer’s Logo
1.2mm
MAX
6mm
52.4mm
Cathode Tape: Red
Anode Tape: White
0.8mm
MAX
PACKAGING INFORMATION
TAPE & BOX
TAPE & REEL
Product ID Label
150mm
Inspection Hole
(both ends)
330mm
255mm
75mm
BULK
80±5mm
20mm
198mm
Product ID Label
84mm
Packaging
TAPE & REEL
TAPE & BOX
BULK
Reel Diameter /
Box Size (mm)
330
255 x 75 x 150
198 x 84 x 20
Quantity
(PCS)
5,000
5,000
1,000
Carton Size
(mm)
370 x 370 x 420
400 x 273 x 415
459 x 214 x 256
Quantity
(PCS)
25,000
50,000
50,000
Approx. Gross Weight
(KG)
13.0
21.0
19.5
Note:
1. Paper reel, white or gray color. Core material: plastic or metal.
2. Components are packed in accordance with EIA standard RS-296-E.
1N4933 – 1N4937
3 of 4
© 2006 Won-Top Electronics
ORDERING INFORMATION
Product No.
1N4933-T3
1N4933-TB
1N4933
1N4934-T3
1N4934-TB
1N4934
1N4935-T3
1N4935-TB
1N4935
1N4936-T3
1N4936-TB
1N4936
1N4937-T3
1N4937-TB
1N4937
1.
2.
3.
Package Type
DO-41
DO-41
DO-41
DO-41
DO-41
DO-41
DO-41
DO-41
DO-41
DO-41
DO-41
DO-41
DO-41
DO-41
DO-41
Shipping Quantity
5000/Tape & Reel
5000/Tape & Box
1000 Units/Box
5000/Tape & Reel
5000/Tape & Box
1000 Units/Box
5000/Tape & Reel
5000/Tape & Box
1000 Units/Box
5000/Tape & Reel
5000/Tape & Box
1000 Units/Box
5000/Tape & Reel
5000/Tape & Box
1000 Units/Box
Products listed in
bold
are WTE
Preferred
devices.
Shipping quantity given is for minimum packing quantity only. For minimum
order quantity, please consult the Sales Department.
To order RoHS / Lead Free version (with Lead Free finish), add “-LF” suffix
to part number above. For example, 1N4933-TB-LF.
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.
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
We power your everyday.
1N4933 – 1N4937
4 of 4
© 2006 Won-Top Electronics
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