www.eicsemi.com
Surface Mount Fast Recovery Rectifiers
DL4933 - DL4937
MELF (Plastic)
PRV : 50 - 600 Volts
Io : 1.0 Ampere
Cathode Mark
f 0.102 (2.6)
FEATURES :
0.094 (2.4)
0.022(0.55)
* High current capability
0.205(5.2)
0.189(4.8)
* High surge current capability
* High reliability
* Low reverse current
* Low forward voltage drop
* Fast switching for high efficiency
* Pb / RoHS Free
Dimensions in inches and ( millimeters )
MECHANICAL DATA :
* Case : Molded plastic
* Terminals : Plated Terminals, solderable per MIL-STD-750
Method 2026
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.116 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25 °C ambient temperature unless otherwise specified. Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
RATING
SYMBOL DL4933 DL4934 DL4935 DL4936 DL4937
UNIT
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
VRRM
VRMS
VDC
50
35
50
100
70
200
140
200
1.0
400
280
400
600
420
600
V
V
V
A
Maximum DC Blocking Voltage
100
IF(AV)
Maximum Average Forward Current , Ta = 55°C
Maximum Peak Forward Surge Current,
8.3ms Single half sine wave Superimposed
on rated load (JEDEC Method)
IFSM
30
A
Maximum Peak Forward Voltage at IF = 1.0 Amp.
VF
IR
1.2
5.0
V
Maximum DC Reverse Current
at Rated DC Blocking Voltage
Ta = 25 °C
mA
mA
ns
pf
IR(H)
Trr
100
Ta = 100 °C
Maximum Reverse Recovery Time ( Note 1 )
Typical Junction Capacitance ( Note 2 )
Junction Temperature Range
150
CJ
15
TJ
- 65 to + 150
- 65 to + 150
°C
°C
Storage Temperature Range
TSTG
Notes :
( 1 ) Reverse Recovery Test Conditions : IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A.
( 2 ) Measured at 1.0 MHz and applied reverse voltage of 4.0 VDC
Page 1 of 2
Rev. 02 : March 24, 2005