HER201/UF2001 THRU HER208/UF2007
2.0 AMPS. HIGH EFFICIENT
RECTIFIERS
Voltage Range
50 to 1000 Volts
Current
2.0 Amperes
DO-15
Features
*
Low forward voltage drop
*
High current capability
*
High reliability
*
High surge current capability
1.0(25.4)
MIN.
Mechanical Data
*
Cases:Molded plastic
*
Epoxy:UL 94V-O rate flame retardant
*
Lead:Axial leads,solderable per MIL-
.140(3.6)
.104(2.6)
DIA.
.300(7.6)
.230(5.8)
STD-202,Method 208 guaranteed
*
Polarity:Color band denotes cathode end
*
High temperature soldering guaranteed:
250
0
C/10 seconds/.375",(9.5mm) lead
lengths at 5 lbs.,(2.3kg) tension
*
Weight:0.40 grams
1.0(25.4)
MIN.
.034(.9)
.028(.7)
DIA.
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Rating at 25 C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%
o
Type Number
Maximum Repetitive Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Rectified
o
Current
.375"(9.5mm) Lead Length @T
A
= 55 C
Peak Forward Surge Current, 8.3 ms Single
Half Sine-wave Superimposed on Rated Load
(JEDEC method)
Maximum Instantaneous Forward Voltage
@2.0A
Maximun DC Reverse Current @
at Rated DC Blocking Voltage @
T
A
= 25 C
o
T
A
= 100 C
o
HER201 HER202 HER203 HER204 HER205 HER206 HER207 HER208
UF2001 UF2002 UF2003
UF2004 UF2005 UF2006 UF2007
UNITS
V
RRM
V
RMS
V
DC
I
F(AV)
I
FSM
V
F
I
R
T
RR
C
J
T
J
T
STG
50
50
-55 to+125
-55 to+150
1.0
50
35
50
100
70
100
200
140
200
300
210
300
400
280
400
2.0
600
420
600
800
560
800
1000
700
1000
V
V
V
A
A
1.7
V
uA
uA
75
30
nS
pF
o
o
60
1.3
5.0
100
Maximum Reverse Recovery Time (Note 1)
Typical Junction Capacitance (Note 2)
Operating Temperature Range
Storage Temperature Range
C
C
NOTES: 1. Reverse Recovery Test Conditions: I
F
=0.5A,I
R
=1.0A,I
RR
=0.25A
2.Measured at 1 MHz and Applied Reverse Voltage of 4.0 V D.C.
RATING AND CHARACTERISTIC CURVES
HER201/UF2001 THRU HER208/UF2007
FIG.1- REVERSE RECOVER TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM
50
*
NONINDUCTIVE
10
*
NONINDUCTIVE
+0.5A
(-)
DUT
(+)
50Vdc
(approx)
(-)
1
*
NON
INDUCTIVE
PULSE
GENERATOR
(NOTE 2)
OSCILLOSCOPE
(NOTE1)
(+)
0
-0.25A
FIG.2-MAXIMUM AVERAGE
FORWARD CURRENT DERATING
AVERAGE FORWARD CURRENT. (A)
trr
3.0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375" (9.5mm)
Lead Length
2.0
1.0
NOTES:1. Rise Time=7ns max. Input Impedance=
1 megohm 22pf
2. Rise Time=10ns max. Sourse Impedance=
50 ohms
-1.0A
1cm
SET TIME BASE FOR
5/ 10ns/ cm
0
25
50
75 100 125 150 175
0
AMBIENT TEMPERATURE.( C)
FIG.3-TYPICAL REVERSE CHARACTERISTICS
1000
10
FIG.4-TYPICAL FORWARD CHARACTERISTICS
INSTANTANEOUS REVERSE CURRENT. ( A)
INSTANTANEOUS FORWARD CURRENT.(A)
HE
R2
01
10
Tj=25 C
0
0.1
1.0
0.01
0.1
0
20
40
60
80
100
120
PERCENT OF RATED PEAK REVERSE VOLTAGE.(%)
0.001
.2
.4
.6
.8
1.0
1.2
1.4
FORWARD VOLTAGE.(V)
FIG.5-MAXIMUM NON-REPETITIVE SURGE
CURRENT
80
PEAK FORWARD SURGE CYRRENT.(A)
JUNCTION CAPACITANCE.(pF)
FIG.6-TYPICAL JUNCTION CHARACTERISTICS
175
150
125
100
75
50
25
0
.1
.5
1
2
5
10
20
50
100 200 500 800
REVERSE VOLTAGE.(V)
60
50
40
30
20
10
0
8.3ms Single Half Sine Wave
JEDEC Method
HER
201
~HE
R20
5
HE
R20
6~H
ER
208
1
2
5
10
20
50
100
NUMBER OF CYCLES AT 60Hz
HE
R2
05
HE
R2
06
~H
ER
20
8
100
Tj=100
0
C
1.0
~H
ER
204
电子工程世界
综合技术交流
