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Common Cathode Fast Recovery Epitaxial Diode (FRED)
DSEK 60
IFAVM = 2x 34 A VRRM = 200 V trr = 35 ns
VRSM V 200 200
VRRM V 200 200
Type
TO-247 AD
Version A
ISOPLUS 247TM
Version AR
DSEK 60-02A DSEK 60-02AR
A
C
A
A C A C (TAB)
A C A
Isolated back surface *
A = Anode, C = Cathode Symbol IFRMS IFAVM yyx IFRM IFSM Test Conditions TVJ = TVJM TC = 115C; rectangular, d = 0.5 tP < 10 ms; rep. rating, pulse width limited by TVJM TVJ = 45C; t = 10 ms (50 Hz), sine t = 8.3 ms (60 Hz), sine Maximum Ratings per leg 50 34 375 325 350 290 310 530 510 420 400 -40...+150 150 -40...+150 TC = 25C Mounting torque mounting force with clip 50/60 Hz, RMS, t = 1 minute, leads-to-tab 125 0.8...1.2 20...120 2500 6 A A A A A A A A2s A2s A2s A2s C C C W Nm N V~
* Patent pending
Features
q
q q q q
TVJ = 150C; t = 10 ms (50 Hz), sine t = 8.3 ms (60 Hz), sine I2t TVJ = 45C t = 10 ms (50 Hz), sine t = 8.3 ms (60 Hz), sine
q q q
International standard package JEDEC TO-247 AD Planar passivated chips Very short recovery time Extremely low switching losses Low IRM-values Soft recovery behavior Epoxy meets UL 94V-0
Version AR isolated and UL registered E153432
TVJ = 150C; t = 10 ms (50 Hz), sine t = 8.3 ms (60 Hz), sine TVJ TVJM Tstg Ptot Md * FC VISOL ** Weight
* Verson A only; ** Version AR only
Applications
q
q q
Rectifiers in switch mode power supplies (SMPS) Uninterruptible power supplies (UPS) Ultrasonic cleaners and welders
Advantages
g
q q
Symbol
Test Conditions
Characteristic Values per leg typ. max. 200 50 5 0.85 1.10 0.72 4.2 1 0.25 mA mA mA V V V mW K/W K/W ns A
q q q
IR
TVJ = 25C TVJ = 25C TVJ = 125C IF = 30 A;
VR VR VR TVJ TVJ
= VRRM = 0.8 * VRRM = 0.8 * VRRM = 150C = 25C
High reliability circuit operation Low voltage peaks for reduced protection circuits Low noise switching Low losses Operating at lower temperature or space saving by reduced cooling
VF VT0 rT RthJC RthCH trr IRM
For power-loss calculations only TVJ = TVJM
IF = 1 A; -di/dt = 100 A/ms; VR = 30 V; TVJ = 25C VR = 100 V; IF = 30 A; -diF/dt = 100 A/ms L 0.05 mH; TVJ = 25C
35 4
50 5
x IFAVM rating includes reverse blocking losses at TVJM, VR = 0.8 VRRM, duty cycle d = 0.5 Data according to IEC 60747 refer to a single diode unless otherwise stated. IXYS reserves the right to change limits, test conditions and dimensions
(c) 2000 IXYS All rights reserved
1-2
036
DSEK 60, 200V
120 A 100 IF 80 60 40 20 0 0.0
TVJ=150C TVJ=100C TVJ= 25C
0.8 C 0.6
TVJ= 100C VR = 100V
30
Qr
TVJ= 100C A V = 100V R 25
IRM 20
0.4
IF= 15A IF= 35A IF= 70A
IF= 15A IF= 35A IF= 70A
15 10
0.2 5 0.0 10 0 100 A/ms 1000 -diF/dt 0 200 400 600 A/ms 1000 800 -diF/dt
0.4
0.8 VF
1.2 V
Fig. 1 Forward current IF versus VF
Fig. 2 Typ. reverse recovery charge Qr versus -diF/dt
70 ns 60 trr 50 40
TVJ= 100C VR = 100V
Fig. 3 Typ. peak reverse current IRM versus -diF/dt
6 V 5 VFR 4 3
tfr TVJ= 100C IF = 35A VFR
1.6 1.4 Kf 1.2 1.0
1.8 s 1.5 tfr 1.2 0.9 0.6 0.3 0.0 A/ms 800
30 0.8 0.6 0.4 0 40 80 120 C 160 TVJ
IRM Qr
20 10 0 0 200 400
IF= 15A IF= 35A IF= 70A
2 1 0
600 A/ms 800 -diF/dt
1000
0
200
400
600 diF/dt
Fig. 4 Dynamic parameters Qr, IRM versus TVJ
1.2 K/W 1.0 0.8 ZthJC 0.6 0.4 0.2 0.0 0.001
Fig. 5 Typ. recovery time trr versus -diF/dt
Fig. 6 Typ. peak forward voltage VFR and tfr versus diF/dt
Dim. A B C D* E F G H J K L M Millimeter Min. Max. 19.81 20.32 20.80 21.46 15.75 16.26 3.55 3.65 4.32 5.4 1.65 1.0 10.8 4.7 0.4 2.2 5.49 6.2 2.13 4.5 1.4 11.0 5.3 0.8 2.54 Inches Min. Max. 0.780 0.819 0.610 0.140 0.170 0.212 0.065 0.040 0.426 0.185 0.016 0.087 0.800 0.845 0.640 0.144 0.216 0.244 0.084 0.177 0.055 0.433 0.209 0.031 0.102
Dimensions
DSEK 60-02
N
0.01
0.1
1 t
s
10
* ISOPLUS 247 TM without hole
Fig. 7 Transient thermal impedance junction to case
(c) 2000 IXYS All rights reserved
2-2

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