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HER251 Datasheet دیتاشیت PDF دانلود

دیتاشیت - MDD - HIGH EFFICIENCY RECTIFIERS

شماره قطعه HER251
شرح مفصل HIGH EFFICIENCY RECTIFIERS
تولید کننده MDD 
آرم MDD 


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HER251 شرح
HER251 THRU HER258
0.042(1.1)
0.040(1.0)
R-3
φ 0.160( 4.1 )
φ0.138 ( 3.5 )
HIGH EFFICIENCY RECTIFIERS
Reverse Voltage - 50 to 1000 Volts Forward Current - 2.5 Amperes
FEATURES
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
High speed switching for high efficiency
Low reverse leakage
High forward surge current capability
High temperature soldering guaranteed:
250 C/10 seconds,0.375(9.5mm) lead length,
5 lbs. (2.3kg) tension
MECHANICAL DATA
Min.1.0 ( 25.4 )
0.160(4.1)
0.138(3.5)
Min.1.0 ( 25.4 )
Dimensions in inches and (millimeters)
Case: JEDEC R-3 molded plastic body
Terminals: Plated axial leads, solderable per MIL-STD-750,
Method 2026
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight:0.012 ounce, 0.58 grams
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25 C ambient temperature unless otherwise specified.
Single phase half-wave 60Hz,resistive or inductive load,for capacitive load current derate by 20%.
MDD Catalog Number
Maximum repetitive peak reverse voltage
Maximum RMS voltage
Maximum DC blocking voltage
Maximum average forward rectified current
0.375(9.5mm) lead length at TA=50 C
Peak forward surge current
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Maximum instantaneous forward voltage at 2.5A
Maximum DC reverse current TA=25 C
at rated DC blocking voltage TA=100 C
Maximum reverse recovery time (NOTE 1)
Typical junction capacitance (NOTE 2)
Typical thermal resistance (NOTE 3)
Operating junction and storage temperature range
SYMBOLS
HER
251
HER
252
VRRM
VRMS
VDC
50 100
35 70
50 100
HER HER HER HER
253 254 255 256
200 300 400 600
140 210 280 420
200 300 400 600
HER
257
800
560
800
HER
258
1000
700
1000
UNITS
VOLTS
VOLTS
VOLTS
I(AV) 2.5
Amps
IFSM
VF
IR
trr
CJ
RθJA
TJ,TSTG
60.0
1.0
50
30.0
1.3
5.0
100.0
50.0
-65 to +150
1.70
70
20.0
Amps
Volts
µA
ns
pF
C/W
C
Note:1.Reverse recovery condition IF=0.5A,IR=1.0A,Irr=0.25A
2.Measured at 1MHz and applied reverse voltage of 4.0V D.C.
3.Thermal resistance from junction to ambient at 0.375(9.5mm)lead length,P.C.B. mounted
MDD ELECTRONIC

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