Formosa MS 1N4448WS-FL

Formosa MS
SMD Switching Diode
1N4448WS-FL
List
List................................................................................................. 1
Package outline............................................................................... 2
Features.......................................................................................... 2
Mechanical data............................................................................... 2
Maximum ratings ............................................................................. 2
Rating and characteristic curves........................................................ 3
Pinning information........................................................................... 4
Marking........................................................................................... 4
Suggested solder pad layout............................................................. 4
Packing information.......................................................................... 5
Reel packing.................................................................................... 6
Suggested thermal profiles for soldering processes............................. 6
High reliability test capabilities........................................................... 7
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Page 1
Document ID
Issued Date
DS-221957
2011/09/08
Revised Date
-
Revision
Page.
A
7
Formosa MS
SMD Switching Diode
1N4448WS-FL
200mW Surface Mount Switching
Diode-100V
Package Outline
SOD-323FL
Features
• Fast Switching Device (trr<4.0ns) .
• General Purpose Diodes .
• Flat Lead SOD-323FL Small Outline Plastic Package .
• Surface Device Type Mounting .
• Lead-free parts for green partner, exceeds environmental
•
standards of MIL-STD-19500 /228
Suffix "-H" indicates Halogen-free parts, ex. 1N4448WS-FL-H
0.106(2.70)
0.091(2.30)
0.016(0.40)
0.010(0.25)
0.053(1.35)
0.045(1.15)
0.077(1.95)
0.063(1.60)
0.010(0.25)
0.002(0.05)
Mechanical data
• Epoxy : UL94-V0 rated flame retardant
• Case : Molded plastic, SOD-323FL
• Terminals :Plated terminals, solderable per MIL-STD-750,
0.039(1.00)
0.028(0.70)
Dimensions in inches and (millimeters)
Method 2026
• Polarity : Indicated by cathode band
• Mounting Position : Any
• Weight : Approximated 0.004 gram
Maximum ratings and Electrical Characteristics (AT
PARAMETER
T A=25 oC unless otherwise noted)
Symbol
1N4448WS-FL
UNIT
Repetitive Peak Reverse Voltage
V RRM
75
V
Non-Repetitive Peak Reverse Voltage
V RSM
100
V
Maximum average forward current at T A = 25 C
IO
150
mA
Peak forward surge current, 1.0us
I FSM
2.0
A
o
o
Power Dissipation derate above 25 C
PD
200
mW
Maximum forward voltage
VF
[email protected]
[email protected]
V
Maximum DC reverse current at rated DC blocking voltage T J = 25 oC
IR
0.025@20V
5.0@75V
Junction capacitance (Notes 1)
CJ
Maximum reverse recovery (Notes 2)
t rr
Operating and Storage Temperature Range
T J , T STG
uA
4.0
pF
4.0
ns
o
-55 to +150
C
Notes :
1. C J at V R = 0V, f = 1MHZ
2. From I F = 10mA to I R = 10mA, I RR = 1mA, R L = 100Ω
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Page 2
Document ID
Issued Date
DS-221957
2011/09/08
Revised Date
-
Revision
Page.
A
7
Rating and characteristic curves (1N4448WS-FL)
FIG.1-Power Dissipation
FIG.2 - Typical Reverse Characteristics
300
200
150
100
50
0
0
25
50
75
100
125
150
Ambient Temperature(°C)
FIG.3 - Typical Capacitance
FIG.4 - Typical Forward Voltage vs. Ambient Temperature
Forward Voltage,(V)
Power Dissipation,(mW)
250
Forward Current (mA)
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Page 3
Document ID
Issued Date
DS-221957
2011/09/08
Revised Date
-
Revision
Page.
A
7
Formosa MS
SMD Switching Diode
1N4448WS-FL
Pinning information
Pin
Pin1
Pin2
Simplified outline
cathode
anode
1
Symbol
2
1
2
Marking
Type number
Marking code
1N4448WS-FL
S2
Suggested solder pad layout
C
A
B
Dimensions in inches and (millimeters)
PACKAGE
A
B
C
SOD-323FL
0.032 (0.82)
0.022 (0.56)
0.069 (1.75)
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Page 4
Document ID
Issued Date
DS-221957
2011/09/08
Revised Date
-
Revision
Page.
A
7
Formosa MS
SMD Switching Diode
1N4448WS-FL
Packing information
P0
P1
d
E
F
B
A
W
P
D2
D1
T
C
W1
D
unit:mm
Item
Symbol
Tolerance
SOD-323FL
Carrier width
Carrier length
Carrier depth
Sprocket hole
13" Reel outside diameter
13" Reel inner diameter
7" Reel outside diameter
7" Reel inner diameter
Feed hole diameter
Sprocket hole position
Punch hole position
Punch hole pitch
Sprocket hole pitch
Embossment center
Overall tape thickness
Tape width
Reel width
A
B
C
d
D
D1
D
D1
D2
E
F
P
P0
P1
T
W
W1
0.1
0.1
0.1
0.1
2.0
min
2.0
min
0.5
0.1
0.1
0.1
0.1
0.1
0.1
0.3
1.0
1.46
2.95
1.25
1.50
178.00
62.00
13.00
1.75
3.50
4.00
4.00
2.00
0.23
8.00
11.40
Note:Devices are packed in accor dance with EIA standar RS-481-A and specifications listed above.
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Page 5
Document ID
Issued Date
DS-221957
2011/09/08
Revised Date
-
Revision
Page.
A
7
Formosa MS
SMD Switching Diode
1N4448WS-FL
Reel packing
PACKAGE
REEL SIZE
SOD-323FL
7"
REEL
(pcs)
COMPONENT
SPACING
(m/m)
BOX
(pcs)
4.0
3,000
30,000
INNER
BOX
(m/m)
REEL
DIA,
(m/m)
CARTON
SIZE
(m/m)
183*183*123
178
382*262*387
APPROX.
CARTON GROSS WEIGHT
(pcs)
(kg)
240,000
9.5
Suggested thermal profiles for soldering processes
1.Storage environment: Temperature=5 oC ~40 oC Humidity=55%±25%
2.Reflow soldering of surface-mount devices
Critical Zone
TL to TP
Tp
TP
Ramp-up
TL
TL
Tsmax
Temperature
Tsmin
tS
Preheat
Ramp-down
25
t25o C to Peak
Time
3.Reflow soldering
Profile Feature
Soldering Condition
Average ramp-up rate(T L to T P )
o
<3 C /sec
Preheat
-Temperature Min(Tsmin)
-Temperature Max(Tsmax)
-Time(min to max)(t s )
150 oC
200 oC
60~120sec
Tsmax to T L
-Ramp-upRate
<3 oC/sec
Time maintained above:
-Temperature(T L )
-Time(t L )
217 oC
60~260sec
255 oC-0/+5 oC
Peak Temperature(T P )
Time within 5 oC of actual Peak
Temperature(t P )
10~30sec
Ramp-down Rate
<6 oC/sec
Time 25 oC to Peak Temperature
<6minutes
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Page 6
Document ID
Issued Date
DS-221957
2011/09/08
Revised Date
-
Revision
Page.
A
7
Formosa MS
SMD Switching Diode
1N4448WS-FL
High reliability test capabilities
Item Test
Conditions
Reference
O
1. Solder Resistance
at 260 ± 5 C for 10 ± 2sec.
immerse body into solder 1/16"±1/32"
MIL-STD-750D
METHOD-2031
2. Solderability
at 245±5 OC for 5 sec.
MIL-STD-202F
METHOD-208
3. High Temperature Reverse Bias
V R=80% rate at T J=150 OC for 168 hrs.
MIL-STD-750D
METHOD-1038
4. Forward Operation Life
Rated average rectifier current at T A=25 OC for 500hrs.
MIL-STD-750D
METHOD-1027
T A = 25 OC, I F = I O
On state: power on for 5 min.
off state: power off for 5 min.
on and off for 500 cycles.
MIL-STD-750D
METHOD-1036
5. Intermittent Operation Life
6. Pressure Cooker
JESD22-A102
15P SIG at T A=121 OC for 4 hrs.
7. Temperature Cycling
-55 OC to +125 OC dwelled for 30 min.
and transferred for 5min. total 10 cycles.
8. Thermal Shock
0 OC for 5 min. rise to 100 OC for 5 min. total 10 cycles.
MIL-STD-750D
METHOD-1056
9. Forward Surge
Peak Forward Surge Current at t=1us
MIL-STD-750D
METHOD-4066-2
10. Humidity
at T A=85 OC, RH=85% for 1000hrs.
MIL-STD-750D
METHOD-1021
11. High Temperature Storage Life
at 175 OC for 1000 hrs.
MIL-STD-750D
METHOD-1031
http://www.formosams.com/
TEL:886-2-22696661
FAX:886-2-22696141
Page 7
MIL-STD-750D
METHOD-1051
Document ID
Issued Date
DS-221957
2011/09/08
Revised Date
-
Revision
Page.
A
7