DL4937 SYNSEMI [SynSemi, Inc.], DL4937 Datasheet
DL4937
Manufacturer Part Number
DL4937
Description
Surface Mount Fast Recovery Rectifiers
Manufacturer
SYNSEMI [SynSemi, Inc.]
Datasheet
1.DL4937.pdf
(2 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DL4937-13-F
Manufacturer:
Diodes Inc
Quantity:
119 872
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%.
Notes :
Page 1 of 2
FEATURES :
MECHANICAL DATA :
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
PRV : 50 - 600 Volts
Io : 1.0 Ampere
DL4933 - DL4937
* High current capability
* High surge current capability
* High reliability
* Low reverse current
* Low forward voltage drop
* Fast switching for high efficiency
* Pb / RoHS Free
* Case : Molded plastic
* Terminals : Plated Terminals, solderable per MIL-STD-750
* Polarity : Color band denotes cathode end
* Mounting position : Any
* Weight : 0.116 gram
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Current , Ta = 55 C
Maximum Peak Forward Surge Current,
8.3ms Single half sine wave Superimposed
on rated load (JEDEC Method)
Maximum Peak Forward Voltage at I
Maximum DC Reverse Current
at Rated DC Blocking Voltage
Maximum Reverse Recovery Time ( Note 1 )
Typical Junction Capacitance ( Note 2 )
Junction Temperature Range
Storage Temperature Range
( 1 ) Reverse Recovery Test Conditions : I
( 2 ) Measured at 1.0 MHz and applied reverse voltage of 4.0 V
Method 2026
RATING
F
Ta = 25 C
Ta = 100 C
= 1.0 Amp.
F
= 0.5 A, I
R
= 1.0 A, Irr = 0.25 A.
SYMBOL
V
V
I
DC
T
V
I
I
F(AV)
FSM
R(H)
RRM
RMS
V
Trr
C
T
STG
I
DC
R
F
J
J
Surface Mount Fast Recovery Rectifiers
DL4933
50
35
50
Dimensions in inches and ( millimeters )
0.102 (2.6)
0.094 (2.4)
DL4934
100
100
70
- 65 to + 150
- 65 to + 150
MELF (Plastic)
DL4935
200
140
200
100
150
1.0
1.2
5.0
30
15
0.205(5.2)
0.189(4.8)
DL4936
Cathode Mark
400
280
400
Rev. 02 : March 24, 2005
0.022(0.55)
DL4937
600
420
600
UNIT
ns
pf
V
V
V
A
A
V
C
C
A
A
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DL4937 Summary of contents
Page 1
... DL4933 - DL4937 PRV : 50 - 600 Volts Io : 1.0 Ampere FEATURES : * High current capability * High surge current capability * High reliability * Low reverse current * Low forward voltage drop * Fast switching for high efficiency * Pb / RoHS Free MECHANICAL DATA : * Case : Molded plastic * Terminals : Plated Terminals, solderable per MIL-STD-750 ...
Page 2
... RATING AND CHARACTERISTIC CURVES ( DL4933 - DL4937 ) FIG.1 - REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM Vdc (approx.) NOTES : 1. Rise Time = 7 ns max., Input Impedance = 1 megaohm, 22 pF. 2. Rise time = 10 ns max., Source Impedance = 50 ohms. 3. All Resistors = Non-inductive Types. FIG.2 - DERATING CURVE FOR OUTPUT RECTIFIED CURRENT 1 ...