SYNSEMI DL4936 Surface mount fast recovery rectifier Datasheet

DL4933 - DL4937
Surface Mount Fast Recovery Rectifiers
MELF (Plastic)
PRV : 50 - 600 Volts
Io : 1.0 Ampere
Cathode Mark
φ 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
VRRM
50
100
200
400
600
V
Maximum RMS Voltage
VRMS
35
70
140
280
420
V
Maximum DC Blocking Voltage
VDC
50
100
200
400
600
V
Maximum Average Forward Current , Ta = 55°C
IF(AV)
1.0
A
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
1.2
V
Maximum DC Reverse Current
Ta = 25 °C
IR
5.0
µA
at Rated DC Blocking Voltage
Ta = 100 °C
IR(H)
100
µA
Maximum Reverse Recovery Time ( Note 1 )
Trr
150
ns
Typical Junction Capacitance ( Note 2 )
CJ
15
pf
Junction Temperature Range
TJ
- 65 to + 150
°C
Storage Temperature Range
TSTG
- 65 to + 150
°C
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
RATING AND CHARACTERISTIC CURVES ( DL4933 - DL4937 )
FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50 Ω
Trr
10 Ω
+ 0.5 A
D.U.T.
+
0
PULSE
GENERATOR
( NOTE 2 )
50 Vdc
(approx.)
1Ω
- 0.25 A
OSCILLOSCOPE
( NOTE 1 )
- 1.0 A
SET TIME BASE FOR 50/100 ns/cm
NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF.
1 cm
2. Rise time = 10 ns max., Source Impedance = 50 ohms.
3. All Resistors = Non-inductive Types.
FIG.3 - MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
30
1.0
PEAK FORWARD SURGE
CURRENT, AMPERES
AVERAGE FORWARD OUTPUT
CURRENT, AMPERES
FIG.2 - DERATING CURVE FOR OUTPUT
RECTIFIED CURRENT
0.8
0.6
0.4
0.2
8.3 ms SINGLE HALF SINE WAVE
Ta = 50 °C
24
18
12
6
60Hz RESISTIVE OR INDUCTIVE LOAD
0
0
0
25
50
75
100
125
150
175
1
2
AMBIENT TEMPERATURE, ( °C)
20
10
Pulse Width = 300 µs
2% Duty Cycle
TJ = 25 °C
0.1
0.01
0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
FORWARD VOLTAGE, VOLTS
Page 2 of 2
6
10
20
40
60 100
2.0
FIG.5 - TYPICAL REVERSE CHARACTERISTICS
REVERSE CURRENT, MICROAMPERES
FORWARD CURRENT, AMPERES
FIG.4 - TYPICAL FORWARD CHARACTERISTICS
1.0
4
NUMBER OF CYCLES AT 60Hz
10
TJ = 100 °C
1.0
0.1
TJ = 25 °C
0.01
0
20
40
60
80
100
120
140
PERCENT OF RATED REVERSE
VOLTAGE, (%)
Rev. 02 : March 24, 2005
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