1N4933 – 1N4937 1 of 4 © 2006 Won-Top Electronics
Pb
1N4933 – 1N4937
1.0A FAST RECOVERY DIODE
Features
! Diffused Junction
! Low Forward Voltage Drop
! High Current Capability A B A
! High Reliability
! High Surge Current Capability
Mechanical Data C
! Case: DO-41, Molded Plastic D
! Terminals: Plated Leads Solderable per
MIL-STD- 202, Met hod 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
Maximum Ratings and Electrical Characteristics @TA=25° C unless otherwis e specified
Single Phase, half wave, 60Hz, resistive or inductive load.
For capaciti ve load, derate c urrent by 20%.
Characteristic Symbol 1N4933 1N4934 1N4935 1N4936 1N4937 Unit
Peak Repetit i ve Revers e Voltage
Working Peak Reverse Vol t age
DC Blocking Voltage
VRRM
VRWM
VR50 100 200 400 600 V
RMS Reverse Voltage VR(RMS) 35 70 140 280 420 V
Average Rectified Output Current
(Note 1) @T
A = 55°C IO1.0 A
Non-Repetiti ve P eak Forward Surge Current
8.3ms Si ngl e half sine-wave superimposed on
rated load (JEDE C Method) IFSM 30 A
Forward Voltage @IF = 1.0A VFM 1.2 V
Peak Reverse Current @TA = 25°C
At Rated DC Blocking Voltage @TA = 100°C IRM 5.0
100 µA
Reverse Recovery Time (Note 2) trr 200 nS
Typical Junction Capacitance (Note 3) Cj15 pF
Operating Temperature Range Tj-65 to +125 °C
Storage Temperature Range TSTG -65 to +150 °C
Note: 1. Leads maintained at ambi ent 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
A25.4 —
B4.06 5.21
C0.71 0.864
D2.00 2.72
All Dimensions in mm
1N4933 – 1N4937 2 of 4 © 2006 Won-Top Electronics
I , PEAK FORWARD 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 , CAPACITANCE (pF)
j
V , REVERSE VOLTAGE (V)
Fig. 4 Typical Junction Capacitance
R
T = 25°C
f = 1MHz
j
0
0.2
0.4
0.6
0.8
1.0
25 50 75 100 125 150 175 200
I , AVERAGE FWD RECTIFIED CURRENT (A)
(AV)
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)Ω10 NIΩ
1.0
NI
ΩOscilloscope
(Note 1)
Pulse
Generator
(Note 2)
Device
Under
Test
t
rr
Settimebasefor5/10ns/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 .
Ω
Ω
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 , INSTANTANEOUS FWD CURRENT (A)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
F
T = 25°C
j
Pulse width = 300 µs
1N4933 – 1N4937 3 of 4 © 2006 Won-Top Electronics
MARKING INFORMATION
TAPING SPECIFICATIONS
PACKAGING INFORMATION
Packaging Reel Di ameter /
Box Size (mm) Quantity
(PCS) Carton Size
(mm) Quantity
(PCS) Approx. Gross Weight
(KG)
TAP E & REEL 330 5,000 370 x 370 x 420 25,000 13.0
TAPE & BOX 255 x 75 x 150 5,000 400 x 273 x 415 50,000 21.0
BULK 198 x 84 x 20 1,000 459 x 214 x 256 50,000 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.
TAPE & REEL
Cathode = Polarity Band
1N493x = Device Num ber
x = 3 , 4, 5, 6 or 7
WTE = Manufacturer’s Logo
1N493x
WTE
0.8mm
MAX
5mm
1.2mm
MAX
0.8mm
MAX
6mm 52.4mm
Cathode Tape: Red
Anode Tape: White
330mm
Product ID Label
Inspection Hole
(both ends)
80±5mm
TAPE & BOX
255mm
Product ID Label
150mm
75mm
BULK
198mm
84mm
20mm
1N4933 – 1N4937 4 of 4 © 2006 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
1. Products listed in bold are WTE Preferred devices.
2. Shipping quantity given is for minimum packing quantity only. For minimum
order quantity, please consult the Sales Department.
3. 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.
We power your everyday.
Won-Top Electronics Co., Ltd.
No. 44 Yu Kang North 3rd Road, Chine Chen Dist., Kaohsiung, Tai wan
Phone: 886-7-822-5408 or 886-7-822-5410
Fax: 886-7-822-5417
Email: sales@wontop.com
Internet: http:// www.wontop.com
