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HER254G Datasheet Preview

HER254G Datasheet

HIGH EFFICIENCY GLASS PASSIVATED RECTIFIER

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HIGH EFFICIENCY GLASS PASSIVATED RECTIFIER
HER251G THRU HER258G
VOLTAGE RANGE
CURRENT
50 to 1000 Volts
2.5 Ampere
FEATURES
Glass passivated chip junction
Low power loss, high efficiency
Low leakage
High speed switching
High surge capacity
High temperature soldering guaranteed
260/10 seconds,0.375(9.5mm) lead length
MECHANICAL DATA
Case: Transfer molded plastic
Epoxy: UL94V-0 rate flame retardant
Polarity: Color band denotes cathode end
Lead: Plated axial lead, solderable per MIL-STD-202E method 208C
Mounting position: Any
Weight: 0.020ounce, 0.56 gram
R-3
Dimensions in inches and (millimeters)
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25ambient temperature unless otherwise specified
Single Phase, half wave, 60Hz, resistive or inductive load
For capacitive load derate current by 20%
SYMBOLS
HER
251G
HER
252G
HER
253G
HER
254G
HER
255G
HER
256G
Maximum Repetitive Peak Reverse Voltage
VRRM 50 100 200 300 400 600
Maximum RMS Voltage
VRMS 35 70 140 210 280 420
Maximum DC Blocking Voltage
Maximum Average Forward Rectified Current
at TA =50
Peak Forward Surge Current
8.3ms single half sine-wave superimposed on
rated load (JEDEC method)
VDC 50 100 200 300 400 600
I(AV)
2.5
IFSM 100
Maximum Instantaneous Forward Voltage at 2.5A
VF
1.0
1.3 1.5
Maximum DC Reverse Current at rated TA = 25
DC Blocking Voltage at
TA = 125
IR
5.0
250
Maximum Full Load Reverse Current, full cycle
average 0.375(9.5mm) lead length at TL =55
Maximum Reverse Recovery Time
Test conditions IF =0.5A, IR =1.0A, IRR =0.25A,
Typical Junction Capacitance (NOTE 2)
IR(AV)
trr
CJ
50
30
100
Typical Thermal Resistance (NOTE 1)
RθJA
35
Operating Junction Temperature Range
TJ
(-55 to +150)
Storage Temperature Range
TSTG
(-55 to +150)
Notes:
1. Thermal Resistance from Junction to ambient with 0.375(9.5mm) lead length, PCB mounted.
2. Measured at 1.0MHz and applied reverse voltage of 4.0V
HER
257G
800
560
800
HER
258G
1000
700
1000
1.7
75
35
UNIT
Volts
Volts
Volts
Amps
Amps
Volts
µA
µA
nS
pF
/W
E-mail: sales@cnmic.com Web Site: www.cnmic.com




MIC

HER254G Datasheet Preview

HER254G Datasheet

HIGH EFFICIENCY GLASS PASSIVATED RECTIFIER

No Preview Available !

HIGH EFFICIENCY GLASS PASSIVATED RECTIFIER
HER251G THRU HER258G
VOLTAGE RANGE
CURRENT
50 to 1000 Volts
2.5 Ampere
RATING AND CHRACTERISTIC CURVES HER251G THRU HER258G
FIG.1-TYPICAL FORWARD CURRENT
DERATING CURVE
3.0
2.0
1.0
0
0
Single Phase
Half Wave 60Hz
Resistive or
Inductive Load
0.375(9.5mm) Lead Length
25 50
75
100 125
150
AMBIENT TEMPERATURE, (° C)
175
FIG.3-TYPICAL INSTANTANEOUS
FORWARD CHARACTERISTICS
10
1.0
0.1
0.01
TJ=25° C
Pulse Width=300us
1% Duty Cycle
0.001
0.4 0.6 0.8 1.0
1.2 1.4 1.6 1.8
INSTANTANEOUS FORWARD VOLTAGE,(V)
FIG.5-TYPICAL JUNCTION CAPACITANCE
100
HER
HER2
2
5
5
6
1G-HER
G -HE R2
2
5
5
8
5G
G
10
TJ =25° C
f=1MHz
Vsig=50mVp-p
1
0.1
1.0 10
REVERSE VOLTAGE,(V)
100
FIG.2-MAXIMUM NON-REPETITIVE PEAK
FORWARD SURGE CURRENT
150
8.3ms Single Half Sine-Wave
(JEDEC Method) T= Tjmax
100
50
1 Cycle
0
12
4 6 8 10
20
40 60 100
NUMBER OF CYCLES AT 60 Hz
FIG.4-TYPICAL REVERSE
CHARACTERISTICS
100
10
TJ=125° C
1.0
TJ=25° C
0.1
0
20 40 60 80 100 120
PERCENT OF RATED PEAK
REVERSE VOLTAGE,(%)
140
F1G.6-TEST CIRCUIT DIAGRAM AND
REVERSE RECOVERY TIME CHARACTERISTIC
50Ω 10Ω
NONINDUCTIVE NONINDUCTIVE
+0.5A
T rr
(-)
(+)
25 Vdc
(approx.)
(-)
D.U.T.
1Ω
NON
INDUCTIVE
PULSE
GENERATIOR
(NOTE 2)
(+)
OSCILLOSCOPE
(NOTE 1)
0
-0.25A
-1.0A
1cm
NOTES : 1.Rise Time=7ns mas. Input Impedance=
1 magohm. 22pF
2.Rise time=10ns max. Source Impedance=
50 ohms
SET TIME BASE FOR
50/100ns/cm
E-mail: sales@cnmic.com Web Site: www.cnmic.com


Part Number HER254G
Description HIGH EFFICIENCY GLASS PASSIVATED RECTIFIER
Maker MIC
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HER254G Datasheet PDF






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