CYStech Electronics Corp.
5Amp. MOS BARRIER RECTIFIER
Spec. No. : C175SB
Issued Date : 2015.03.31
Revised Date :
Page No. : 1/7
SKM545USB
Features
150℃ operating junction temperature
I
F(AV)
V
RRM
V
F at
125°C
Tj
5A
45V
0.42V
150°C
Softest, fast switching capability
Reduced ultra-low forward voltage drop (VF) ; better efficiency
and cooler operation.
Lead-Free Finish; RoHS Compliant
Halogen and Antimony Free. “Green” Device
MCD technology provides a superior avalanche capability than schottky diodes
Mechanical Data
Case:
SMB/DO-214AA molded plastic
Mounting Position: Any
Weight: 0.093 grams (approximate)
Terminals: Terminals: Pure tin plated, solderable per MIL-STD-750 method 2026
Epoxy: UL 94V-0 rate flame retardant
Polarity : As marked.
DO-214AA (SMB)
Anode
Cathode
Ordering Information
Device
SKM545USB-0-T6-G
Package
DO-214AA (SMB)
Shipping
3000/Tape & Reel
(RoHS compliant package)
SKM545USB
CYStek Product Specification
CYStech Electronics Corp.
Marking Information
M545U = Product Type Marking Code
Y M = Date Code Marking
Y = Last One Digits of Year (ex: 4 for 2014)
M = Month code (1 ~ 9、10→A、11→B、12→C)
Spec. No. : C175SB
Issued Date : 2015.03.31
Revised Date :
Page No. : 2/7
Maximum Ratings and Electrical Characteristics
(
Rating at 25C ambient temperature unless otherwise specified.
Single phase, half wave, 60Hz,
resistive or inductive load. For capacitive load, derate current by 20%.)
Symbol Min. Typ.
V
DC
V
RRM
V
RMS
0.46
V
F
0.42
60
I
R
15
I
F(AV)
I
FSM
I
RRM
T
stg
T
J
120
2
150
150
Max.
45
45
32
0.49
0.45
300
35
5
Units
V
V
V
V
Parameter
Maximum DC blocking voltage
Maximum Recurrent peak reverse voltage
Maximum RMS voltage
Maximum instantaneous forward voltage T
C
=25°C
at
I
F
=15A
T
C
=125°C
Maximum instantaneous
V
R
=45 V, T
C
=25℃
V
R
=45 V, T
C
=125℃
reverse current at
Maximum Average forward rectified current @ T
C
=100℃
Non-repetitive peak forward surge current @
8.3ms single half sine wave superimposed on
rated load (JEDEC method)
Peak Repetitive Reverse Surge Current (2uS-1Khz)
Storage temperature range
Operating junction temperature range
μA
mA
A
A
A
℃
℃
-55
-55
Thermal Data
Parameter
Typical Thermal Resistance, Junction-to-ambient
(1)
Typical Resistance, Junction-to-case
(2)
Note
1. FR-4 PCB, 2oz. Copper. Minimum recommended pad layout.
2. Short duration pulse test used to minimize self-heating effect.
Symbol
R
th,j-a
R
th,j-c
Value
75
18
Unit
C/W
C/W
SKM545USB
CYStek Product Specification
CYStech Electronics Corp.
Recommended wave soldering condition
Product
Pb-free devices
Peak Temperature
260 +0/-5
C
Spec. No. : C175SB
Issued Date : 2015.03.31
Revised Date :
Page No. : 4/7
Soldering Time
5 +1/-1 seconds
Recommended temperature profile for IR reflow
Profile feature
Average ramp-up rate
(Tsmax to Tp)
Preheat
−Temperature Min(T
S
min)
−Temperature Max(T
S
max)
−Time(ts
min
to ts
max
)
Time maintained above:
−Temperature (T
L
)
− Time (t
L
)
Peak Temperature(T
P
)
Time within 5C of actual peak
temperature(tp)
Ramp down rate
Time 25
C
to peak
temperature
SKM545USB
Sn-Pb eutectic Assembly
3C/second max.
100C
150C
60-120 seconds
183C
60-150 seconds
240 +0/-5
C
10-30 seconds
6C/second max.
6 minutes max.
Pb-free Assembly
3C/second max.
150C
200C
60-180 seconds
217C
60-150 seconds
260 +0/-5
C
20-40 seconds
6C/second max.
8 minutes max.
CYStek Product Specification
Note : All temperatures refer to topside of the package, measured on the package body surface.
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