Document
Schottky Diode
High Performance Schottky Diode Low Loss and Soft Recovery Common Cathode
Part number
DSSK18-0025BS
1 23
DSSK18-0025BS
preliminary
VRRM =
25 V
IFAV = 2x 10 A
VF = 0.37 V
Backside: cathode
Features / Advantages:
● Very low Vf ● Extremely low switching losses ● low Irm values ● Improved thermal behaviour ● High reliability circuit operation ● Low voltage peaks for reduced
protection circuits ● Low noise switching
Applications:
● Rectifiers in switch mode power supplies (SMPS)
● Free wheeling diode in low voltage converters
Package:
● Housing: TO-263 (D2Pak)
●rIndustry standard outline ●rEpoxy meets UL 94V-0 ●rRoHS compliant
Ratings
Symbol VRRM IR
VF
IFAV VF0 rF R thJC T VJ Ptot I FSM CJ
Definition
Conditions
max. repetitive reverse voltage reverse current forward voltage
average forward current
VR = VR =
25 V 25 V
IF = IF =
10 A 20 A
IF = 10 A
IF = 20 A
rectangular, d = 0.5
threshold voltage slope resistance
for power loss calculation only
thermal resistance junction to case virtual junction temperature total power dissipation max. forward surge current junction capacitance
t = 10 ms (50 Hz), sine VR = tbd V; f = 1 MHz
TVJ = 25°C TVJ = 25°C TVJ = 100°C TVJ = 25°C
TVJ = 125°C
TC = 140°C TVJ = 150°C
TC = TVJ = TVJ =
25°C 45°C 25°C
min. -55
typ. max. 25 10 40
0.45 0.56 0.37 0.51
10 0.20 14.6 1.70 150
75 140 tbd
Unit V
mA mA
V V V V A V mΩ K/W °C W A pF
IXYS reserves the right to change limits, conditions and dimensions.
© 2007 IXYS all rights reserved
Data according to IEC 60747and per diode unless otherwise specified
20071119
DSSK18-0025BS
preliminary
Ratings
Symbol I RMS RthCH Tstg Weight
Definition
RMS current thermal resistance case to heatsink storage temperature
Conditions per pin 1)
min. -55
typ. max. 35
0.25 150
2
Unit A
K/W °C g
FC mounting force with clip
20 60 N
1) IRMS is typically limited by: 1. pin-to-chip resistance; or by 2. current capability of the chip. In case of 1, a common cathode/anode configuration and a non-isolated backside, the whole current capability can be used by connecting the backside.
Product Marking
Part No.
Logo Date Code Order Code
XXXXXXXXX
IXYS yww
abcd
Ordering Standard
Part Name DSSK18-0025BS
Marking on Product DSSK18-0025BS
Delivering Mode Base Qty Code Key
Tape and Reel
800 499099
Similar Part DSB30C30PB
Package TO-220
Voltage class 30
IXYS reserves the right to change limits, conditions and dimensions.
© 2007 IXYS all rights reserved
Data according to IEC 60747and per diode unless otherwise specified
20071119
Outlines TO-263 (D2Pak)
DSSK18-0025BS
preliminary
IXYS reserves the right to change limits, conditions and dimensions.
© 2007 IXYS all rights reserved
Data according to IEC 60747and per diode unless otherwise specified
20071119
.