HER251 [MDD]
HIGH EFFICIENCY RECTIFIERS; 高效整流二极管
| 型号： | HER251 |
| 厂家： | 
Chendahang Electronics Co., Ltd |
| 描述： | HIGH EFFICIENCY RECTIFIERS |
| 文件： | 总2页 (文件大小：80K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
HER251 THRU HER258
HIGH EFFICIENCY RECTIFIERS
Reverse Voltage - 50 to 1000 Volts Forward Current -
2.5 Amperes
FEATURES
R-3
The plastic package carries Underwriters Laboratory
Flammability Classification 94V-0
High speed switching for high efficiency
Low reverse leakage
φ 0.160( 4.1 )
φ0.138 ( 3.5 )
0.042(1.1)
0.040(1.0)
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
Case: JEDEC R-3 molded plastic body
Terminals: Plated axial leads, solderable per MIL-STD-750,
Method 2026
0.160(4.1)
0.138(3.5)
Min.1.0 ( 25.4 )
Min.1.0 ( 25.4 )
Polarity: Color band denotes cathode end
Mounting Position: Any
Weight:0.012 ounce, 0.58 grams
Dimensions in inches and (millimeters)
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%.
HER HER HER HER HER HER HER HER
SYMBOLS
UNITS
50 100 200 300 400 600 800 1000 VOLTS
35 70 140 210 280 420 560 700 VOLTS
50 100 200 300 400 600 800 1000 VOLTS
MDD Catalog
Number
251 252
253
254 255 256
257
258
Maximum repetitive peak reverse voltage
Maximum RMS voltage
VRRM
VRMS
VDC
Maximum DC blocking voltage
Maximum average forward rectified current
0.375”(9.5mm) lead length at TA=50 C
Peak forward surge current
I(AV)
2.5
Amps
IFSM
VF
60.0
1.3
8.3ms single half sine-wave superimposed on
rated load (JEDEC Method)
Amps
Volts
Maximum instantaneous forward voltage at 2.5A
1.0
1.70
Maximum DC reverse current
at rated DC blocking voltage
Maximum reverse recovery time
TA=25 C
TA=100 C
(NOTE 1)
5.0
100.0
µ
A
IR
trr
ns
50
70
Typical junction capacitance (NOTE 2)
CJ
RθJA
pF
C/W
C
20.0
30.0
Typical thermal resistance (NOTE 3)
Operating junction and storage temperature range
50.0
TJ,TSTG
-65 to +150
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
RATINGS AND CHARACTERISTIC CURVES HER251 THRU HER258
FIG. 1- FORWARD CURRENT DERATING CURVE
FIG. 2-MAXIMUM NON-REPETITIVE PEAK FORWARD
SURGE CURRENT
60
50
40
30
3
2.0
1
Single Phase Half Wave 60HZ
Resistive or Inductive Load
0
8.3ms SINGLE HALF SINE-WAVE
(JEDEC Method)
20
10
0
25
50
75
100
125
150
175
200
1
10
100
AMBIENT TEMPERATURE, C
NUMBER OF CYCLES AT 60 Hz
FIG. 3-TYPICAL INSTANTANEOUS FORWARD
CHARACTERISTICS
FIG. 4-TYPICAL REVERSE CHARACTERISTICS
1,000
100
10
20
10
TJ=25 C
PULSE WIDTH=300 µs
1%DUTY CYCLE
TJ=100 C
1
0.1
1
HER251-HER253
HER254-HER255
HER256-HER258
TJ=25 C
0.1
0.01
0.01
0.2
0.6
1.0
1.4
1.8 2.0
0
20
40
60
80
100
INSTANTANEOUS FORWARD VOLTAGE,
VOLTS
PERCENT OF PEAK REVERSE VOLTAGE,%
FIG. 5-TYPICAL JUNCTION CAPACITANCE
FIG. 6-TYPICAL TRANSIENT THERMAL IMPEDANCE
200
100
100
10
1
TJ=25 C
10
HER251-HER255
HER256-HER258
0.1
0.01
0.1
1
10
100
1
0.1
1.0
10
100
REVERSE VOLTAGE,VOLTS
t,PULSE DURATION,sec.
MDD ELECTRONIC
相关型号：
©2020 ICPDF网 联系我们和版权申明