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ER490 Datasheet, PDF (1/2 Pages) Daesan Electronics Corp. – CURRENT 1.0 AMPERES VOLTAGE 20 TO 40 VOLTS
ER490 / ER491
Features
Low Turn-on Voltage
Fast Switching
PN Junction Guard Ring for Transient and
ESD Protection
Mechanical Data
Case: Molded Plastic
Terminals: Solderable per MIL-STD-202,
Method 208
Polarity: See Diagrams Below
Weight: 0.008 grams (approx.)
Mounting Position: Any
A
L
S
3
2 Top View1
B
D
G
C
H
3
2
1
CURRENT 1.0 Ampere
VOLTAGE 20 to 40 Volts
J
K
SC-59
Dim Min Max
A 2.70 3.10
B 1.30 1.70
C 1.00 1.30
D 0.35 0.50
G 1.70 2.30
H 0.00 0.10
J 0.10 0.26
K 0.20 0.60
L 1.25 1.65
S 2.25 3.00
All Dim ension in mm
3
CATHODE
2
ANODE
3
CATHODE
2
ANODE
ER491 Marking : 10T
ER490 Marking : 10F
Maximum Ratings and Electrical Characteristics
Rating at 25oC ambient temperature unless otherwise specified Single phase, half wave,
60 Hz, resistive or inductive load. For capacitive load, derate current by 20%
Type Number
Maximum Recurrent Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
Peak Forward Surge Current, 8.3 ms SingleHalf
Sine-wave Superimposed on Rated Loadmethod
(JEDEC)
Maximum lnstantaneous Forward Voltage At 1.0A
Maximum D.C. Reverse Current @ TA=25oC
At Rated DC Blocking Voltage @ TA=100oC
Operating Junction Temperature Range TJ
Storage Temperature Range TSTG
ER491
20
14
20
0.45
1.0
5.00
0.1
4.0
-25+125
-50+125
ER490
40
28
40
0.53
Units
v
v
v
A
A
V
mA
mA
oC
oC