Part Number Hot Search : 
31DQ0312 NJU7370F ON2573 P6KE36 BT137S 06033 54HC3 ACM1602
Product Description
Full Text Search
 

To Download BY251 Datasheet File

  If you can't view the Datasheet, Please click here to try to view without PDF Reader .  
 
 


  Datasheet File OCR Text:
 BY251 THRU BY255
MEDIUM CURRENT PLASTIC RECTIFIER VOLTAGE - 200 to 1300 Volts CURRENT - 3.0 Amperes
FEATURES l Exce High surge current capability l Plastic package has Underwriters Laboratory Flammability Classification 94V-O l Low leakage l Void-free molded in DO-201AD plastic package l High current operation of 3 Amperes at TA=95 J l with no thermal runaway eds environmental standards of MIL-S-19500/228
DO-201AD
MECHANICAL DATA Case: JEDEC DO-201AD Molded plastic Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode Mounting Position: Any Weight: 0.04 ounce, 1.1 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 J ambient temperature unless otherwise specified. 60 Hz, resistive or inductive load. For capacitive load, derate current by 20%.
SYMBOLS BY251 BY252 BY253 BY254 BY255
Maximum Recurrent Peak Reverse Voltage Maximum RMS Voltage Maximum DC Blocking Voltage Maximum Average Forward Rectified Current .375"(9.5mm) Lead Length at TA=95 J Peak Forward Surge Current 8.3ms single half sine-wave superimposed on rated load (JEDEC method) Maximum Instantaneous Forward Voltage TJ =25 J at 3.0A TJ=100 J Maximum DC Reverse Current TA=25 J at Rated DC Blocking Voltage TA=100 J Typical Junction capacitance (Note 2) TJ=25 J Typical Reverse Recovery Time (Note 3) Typical Thermal Resistance (Note 1) Operating Junction Temperature Range Storage Temperature Range
VRRM VRMS VDC I(AV)
200 140 200
400 280 400
600 420 600 3.0
800 560 800
1300 910 1300
UNITS Volts Volts Volts Amps
IFSM
100.0
Amps
VF IR CJ TRR R KJA TJ TSTG
1.1 1.0 5.0 1000 40 2.5 15.0 -50 to +150 -50 to +150
Volts Volts g A g A PF g A J /W J J
NOTES: 1. Thermal Resistance From Junction to applied at Ambient 0.375"(9.5mm) lead length P.C.Board mounted. 2. Measured at 1 MHz and applied reverse voltage of 4.0 volts. 3. Reverse Recovery Test Conditions: IF=0.5A, IR=1.0A, Irr=0.25A.
RATING AND CHARACTERISTIC CURVES BY251 THRU BY255
8 7
AMPERES
PEAK FORWARD SURGE CURRENT,
AVERAGE FORWARD CURRENT,
1=.25"(6.3min) 1=.301"(.79min) TJ = BOTH LEADS TO HEAT SINK WITH LENGTHS (f) AS SHOWN
200
AMPERES
6 5 4 3 2 1 0
TA=AMBIENT TEMPERATURE 0.375(9.5mm) LEAD P.C.BOARD MOUNTING RESISTIVE OR INDUCTIVE LOAD
8.3ms Single Half Since-Wave JEDEC Method MON-REPETITIVE TJ=150 J
100 50
REPETITIVE
1=.50"(12.7min)
10 1 5 10 50 100
AMBIENT TEMPERATURE, J
40
60
80
100
120
140
160
180
TEMPERATURE, J
Fig. 1-FORWARD CURRENT DERATING CURVE
Fig. 2-MAXIMUM PEAK FORWARD SURGE CURRENT
100
INSTANTANEOUS FORWARD CURRENT, AMPERES
CAPACITANCE, pF
100 30
50
10
10 1
TJ = 25 J f = 1MHz Visg = 50m Vp-p
1 5 10 50 100
3.0 1.0 0.3
Tj = 25 J Pulse Width = 300g s 2% Duty Cycle
REVERSE VOLTAGE, VOLTS
Fig. 4-TYPICAL JUNCTION CAPACITANCE
10
0.1
TA = 100 J
.03 .01 0.6
1.0 0.1
0.8
1.0
1.2
1.4
1.6
1.8
2.0
.01
TA = 25 J
INSTANTANEOUS FORWARD VOLTAGE, VOLTS
Fig. 3-TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS
0
20
40
60
80
100 120
140
PERCENT OF RATED PAK REVERSE VOLTAGE, %
Fig. 5-TYPICAL REVERSE CHARACTERISTICS


▲Up To Search▲   

 
Price & Availability of BY251

All Rights Reserved © IC-ON-LINE 2003 - 2022  

[Add Bookmark] [Contact Us] [Link exchange] [Privacy policy]
Mirror Sites :  [www.datasheet.hk]   [www.maxim4u.com]  [www.ic-on-line.cn] [www.ic-on-line.com] [www.ic-on-line.net] [www.alldatasheet.com.cn] [www.gdcy.com]  [www.gdcy.net]


 . . . . .
  We use cookies to deliver the best possible web experience and assist with our advertising efforts. By continuing to use this site, you consent to the use of cookies. For more information on cookies, please take a look at our Privacy Policy. X