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HER257 PDF预览

HER257

更新时间: 2024-11-16 05:35:43
品牌 Logo 应用领域
MIC 功效
页数 文件大小 规格书
2页 55K
描述
HIGH EFFICIENCY RECTIFIER

HER257 技术参数

是否Rohs认证: 不符合生命周期:Contact Manufacturer
Reach Compliance Code:unknown风险等级:5.92
配置:SINGLE二极管类型:RECTIFIER DIODE
最大正向电压 (VF):1.45 VJESD-609代码:e0
最大非重复峰值正向电流:150 A元件数量:1
最高工作温度:175 °C最大输出电流:2.5 A
最大重复峰值反向电压:800 V子类别:Rectifier Diodes
表面贴装:NO端子面层:Tin/Lead (Sn/Pb)

HER257 数据手册

 浏览型号HER257的Datasheet PDF文件第2页 
HIGH EFFICIENCY RECTIFIER  
VOLTAGE RANGE  
CURRENT  
50 to 1000 Volts  
2.5Ampere  
HER251 THRU HER258  
R-3  
.042(1.1)  
.038(0.96)  
DIA.  
FEATURES  
·
·
·
·
·
Low coat construction  
Fast switching for high efficency.  
Low reverse leakage  
High forward surge current capability  
High temperature soldering guaranteed:  
260/10 secods/.375(9.5mm)lead length at 5 lbs(2.3kg) tension  
1.0(25.4)  
MIN.  
.160(4.1)  
.138(3.5)  
.160(4.1)  
.138(3.5)  
DIA.  
MECHANICAL DATA  
1.0(25.4)  
MIN.  
·
·
·
·
·
·
Case: Transfer molded plastic  
Epoxy: UL94V-O rate flame retardant  
Polarity: Color band denotes cathode end  
Lead: Plated axial lead, solderable per MIL-STD-202E method 208C  
Mounting position: Any  
(millimeters)  
Dimensions in inches and  
Weight: 0.020ounce, 0.56 grams  
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS  
·
·
·
Ratings at 25OC ambient temperature unless otherwise specified  
Single Phase, half wave, 60Hz, resistive or inductive load  
For capacitive load derate current by 20%  
HER  
251  
50  
35  
50  
HER HER HER  
HER HER  
HER  
257  
800  
560  
800  
HER  
UNITS  
258  
1000 Volts  
700 Volts  
1000 Volts  
SYMBOLS  
252  
100  
70  
253  
200  
140  
200  
254  
300  
210  
300  
255  
400  
280  
400  
256  
600  
420  
600  
Maximum Repetitive Peak Reverse Voltage  
Maximum RMS Voltage  
VRRM  
VRMS  
VDC  
Maximum DC Blocking Voltage  
100  
Maximum Average Forward Rectified Current  
0.375(9.5mm) lead length at TA= 50  
I(AV)  
2.5  
Amp  
Peak Forward Surge Current  
8.3mS single half sine wave superimposed on  
rated load (JEDEC method)  
IFSM  
VF  
IR  
100  
Amps  
Maximum Instantaneous Forward Voltage @ 2.5A  
1.0  
1.3  
5.0  
250  
1.5  
1.7  
Volts  
TA = 25℃  
TA = 125℃  
Maximum DC Reverse Current at Rated  
DC Blocking Voltage  
µA  
Maximum Full Load Recovery 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  
IR(AV)  
trr  
100  
µA  
50  
30  
75  
35  
ns  
Typical Thermal Resistance (NOTE 2)  
Typical Thermal Resistance(NOTE 1)  
Operating Junction Temperature Range  
Storage Temperature Range  
Notes:  
PF  
/W  
CJ  
RθJA  
TJ  
35  
(-55 to +150)  
(-55 to +150)  
TSTG  
1 Thermal resistance from junction to ambient with .375(9.5mm)lead length, PCB. mounted. .  
2. Measured at 1.0 MHz and applied reverse of 4.0 V  
E-mail: sales@cnmic.com  
Web Site: www.cnmic.com  

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