Dachang HER254 Plastic high-efficiency rectifiers reverse voltage 50 to 1000v forward current 2.5a Datasheet

SIYU R
HER251 ...... HER258
塑封高效率整流二极管
Plastic High-Efficiency Rectifiers
Reverse Voltage 50 to 1000V
Forward Current 2.5A
反向电压 50 ---1000 V
正向电流 2.5 A
特征 Features
DO-15L
·反向漏电流低
25.4
Low reverse leakage
·正向浪涌承受能力较强
0.8±0.1
MIN
High forward surge capability
·高温焊接保证 High temperature soldering guaranteed:
260℃/10 秒, 0.375" (9.5mm)引线长度。
260℃/10 seconds, 0.375" (9.5mm) lead length,
·引线可承受5 磅 (2.3kg) 拉力。 5 lbs. (2.3kg) tension
·引线和管体皆符合RoHS标准 。
Lead and body according with RoHS standard
7.5±0.2
4.0±0.2
25.4
MIN
机械数据 Mechanical Data
·端子: 镀锡轴向引线 Terminals: Plated axial leads
·极性: 色环端为负极 Polarity: Color band denotes cathode end
·安装位置: 任意 Mounting Position: Any
Unit:mm
极限值和温度特性 TA = 25℃ 除非另有规定。
Maximum Ratings & Thermal Characteristics
符号
最大可重复峰值反向电压
Maximum repetitive peak reverse voltage
最大均方根电压
Maximum RMS voltage
最大直流阻断电压
Maximum DC blocking voltage
最大正向平均整流电流
Maximum average forward rectified current
峰值正向浪涌电流 8.3ms单一正弦半波
Peak forward surge current 8.3 ms single half sine-wave
典型热阻 Typical thermal resistance
工作结温和存储温度
Operating junction and storage temperature range
Ratings at 25℃ ambient temperature unless otherwise specified.
HER
251
HER
252
HER
253
HER
254
HER
255
HER
256
HER
257
HER
258
单位
Symbols
VRRM
50
100
200
300
400
600
800
1000
V
VRMS
35
70
140
210
280
420
560
700
V
VDC
50
100
200
300
400
600
800
1000
V
Unit
IF(AV)
2.5
A
IFSM
100
A
RθJA
20
℃/W
-55--- +150
Tj, TSTG
℃
电特性 TA = 25℃ 除非另有规定。
Electrical Characteristics Ratings at 25℃ ambient temperature unless otherwise specified.
符号
Symbols
最大正向电压
Maximum forward voltage
最大反向电流
Maximum reverse current
最大反向恢复时间
IF = 2.5A
VF
TA= 25℃
TA=100℃
IR
IF=0.5A IR=1.0A IRR=0.25A
MAX. Reverse Recovery Time
典型结电容
Type junction capacitance
VR = 4.0V, f = 1MHz
HER
251
HER
252
HER
253
HER
254
HER
255
1.3
1.0
HER
256
HER
257
1.7
5.0
200
HER
258
单位
Unit
V
μA
trr
50
75
nS
Cj
50
30
pF
大昌电子 DACHANG ELECTRONICS
SIYU R
HER251 ...... HER258
特性曲线 Characteristic Curves
正向电流降额曲线
FORWARD CURRENT DERATING CURVE
3.5
HER251 thru
HER253
2
10mm
平均正向电流
IF(AV) (A)
IF(A) Average Forward Rectified Current (A)
IF Instantaneous Forward Current (A)
正向电流
IF(A)
10
正向特性曲线(典型值)
TYPICAL FORWARD CHARACTERISTIC
HER254,
HER255
1
0.2
HER256 thru
HER258
0.1
Tj = 25 °C
0.01
0.8
1.0
1.2
1.4
1.6
1.8
正向电压 VF(V)
VF Instantaneous Forward Voltage (V)
10mm
3.0
2.5
2.0
1.5
1.0
0.5
0
0
25
50
75 100 125 150 175
环境温度 Ta(°C)
Tamb, ambient temperature (°C)
浪涌特性曲线(最大值)
MAXIMUM NON REPETITIVE
PEAK FORWARD SURGE CURRENT
IFSM Peak Forward Surge Current (A)
峰值正向浪涌电流 IFSM(A)
100
80
60
40
20
0
1
2
4 6 10
20
40
100
通过电流的周期
Number of Cycles at 60 Hz.
大昌电子 DACHANG ELECTRONICS
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