1N4448HWT
器件描述：SURFACE MOUNT FAST SWITCHING DIODE
器件厂商：DIODES [Diodes Incorporated]
文件大小：66KB，共3页
Sponsor by e络盟器件资料摘要：
DS30395 Rev. 1 - 2 1 of 2 1N4448HWT
www.diodes.com c227 Diodes Incorporated
1N4448HWT
SURFACE MOUNT FAST SWITCHING DIODE
Features
Mechanical Data
BA
C
D G
E
CATHODE MARK
T8
MARKING CODE
Characteristic Symbol Value Unit
Non-Repetitive Peak Reverse Voltage VRM 100 V
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
80 V
RMS Reverse Voltage VR(RMS) 57 V
Forward Continuous Current IFM 250 mA
Average Rectified Output Current IO 125 mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0c109s
@ t = 1.0s
I
FSM
2.0
1.0
A
Power Dissipation (Note 2) Pd 150 mW
Thermal Resistance Junction to Ambient (Note 2) Rc113JA 833 c176C/W
Operating and Storage Temperature Range Tj ,TSTG -65 to +150 c176C
Maximum Ratings
@ T
A
= 25c176C unless otherwise specified
Characteristic Symbol Min Max Unit Test Conditions
Reverse Breakdown Voltage (Note 3) V(BR)R 80 c190 V I
R
= 100c109A
Forward Voltage VF
0.62
c190
c190
c190
0.72
0.855
1.0
1.25
V
I
F
= 5.0mA
I
F
= 10mA
I
F
= 100mA
I
F
= 150mA
Peak Reverse Current (Note 3) IR c190
100
50
30
25
nA
c109A
c109A
nA
V
R
= 80V
V
R
= 75V, T
j
= 150c176C
V
R
= 25V, T
j
= 150c176C
V
R
= 20V
Total Capacitance CT c190 3.0 pF VR = 0.5V, f = 1.0MHz
Reverse Recovery Time trr c190 4.0 ns
I
F
= I
R
= 10mA,
I
rr
= 0.1 x I
R
,R
L
= 100c87
Electrical Characteristics
@ T
A
= 25c176C unless otherwise specified
c183 Fast Switching Speed
c183 Ultra-Small Surface Mount Package
c183 For General Purpose Switching Applications
c183 High Conductance
T
C
U
D
O
R
P
W
E
N
SOD-523
Dim Min Max
A 1.50 1.70
B 1.10 1.30
C 0.25 0.35
D 0.70 0.90
E 0.10 0.20
G 0.50 0.70
All Dimensions in mm
c183 Case: SOD-523, Molded Plastic
c183 Case material - UL Flammability Rating
Classification 94V-0
c183 Moisture sensitivity: Level 1 per J-STD-020A
c183 Terminals: Finish - Matte Tin (Note 1)
Solderable per MIL-STD-202, Method 208
c183 Polarity: Cathode Band
c183 Marking Code: T8
c183 Weight: 0.002 grams (approx.)
Device Packaging Shipping
1N4448HWT-7 SOD-523 3000/Tape & Reel
(Note 4)
Ordering Information
Note: 1. If lead-bearing terminal plating is required, please contact your Diodes Inc. sales representative for availability and minimum
order details.
2. Part mounted on FR-4 board with recommended pad layout, which can be found on our website
at http://www.diodes.com/datasheets/ap02001.pdf.
3. Short duration pulse test used so as to minimize self-heating effect.
4. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.
www.diodes.com c227 Diodes Incorporated
1N4448HWT
SURFACE MOUNT FAST SWITCHING DIODE
Features
Mechanical Data
BA
C
D G
E
CATHODE MARK
T8
MARKING CODE
Characteristic Symbol Value Unit
Non-Repetitive Peak Reverse Voltage VRM 100 V
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
V
RRM
V
RWM
V
R
80 V
RMS Reverse Voltage VR(RMS) 57 V
Forward Continuous Current IFM 250 mA
Average Rectified Output Current IO 125 mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0c109s
@ t = 1.0s
I
FSM
2.0
1.0
A
Power Dissipation (Note 2) Pd 150 mW
Thermal Resistance Junction to Ambient (Note 2) Rc113JA 833 c176C/W
Operating and Storage Temperature Range Tj ,TSTG -65 to +150 c176C
Maximum Ratings
@ T
A
= 25c176C unless otherwise specified
Characteristic Symbol Min Max Unit Test Conditions
Reverse Breakdown Voltage (Note 3) V(BR)R 80 c190 V I
R
= 100c109A
Forward Voltage VF
0.62
c190
c190
c190
0.72
0.855
1.0
1.25
V
I
F
= 5.0mA
I
F
= 10mA
I
F
= 100mA
I
F
= 150mA
Peak Reverse Current (Note 3) IR c190
100
50
30
25
nA
c109A
c109A
nA
V
R
= 80V
V
R
= 75V, T
j
= 150c176C
V
R
= 25V, T
j
= 150c176C
V
R
= 20V
Total Capacitance CT c190 3.0 pF VR = 0.5V, f = 1.0MHz
Reverse Recovery Time trr c190 4.0 ns
I
F
= I
R
= 10mA,
I
rr
= 0.1 x I
R
,R
L
= 100c87
Electrical Characteristics
@ T
A
= 25c176C unless otherwise specified
c183 Fast Switching Speed
c183 Ultra-Small Surface Mount Package
c183 For General Purpose Switching Applications
c183 High Conductance
T
C
U
D
O
R
P
W
E
N
SOD-523
Dim Min Max
A 1.50 1.70
B 1.10 1.30
C 0.25 0.35
D 0.70 0.90
E 0.10 0.20
G 0.50 0.70
All Dimensions in mm
c183 Case: SOD-523, Molded Plastic
c183 Case material - UL Flammability Rating
Classification 94V-0
c183 Moisture sensitivity: Level 1 per J-STD-020A
c183 Terminals: Finish - Matte Tin (Note 1)
Solderable per MIL-STD-202, Method 208
c183 Polarity: Cathode Band
c183 Marking Code: T8
c183 Weight: 0.002 grams (approx.)
Device Packaging Shipping
1N4448HWT-7 SOD-523 3000/Tape & Reel
(Note 4)
Ordering Information
Note: 1. If lead-bearing terminal plating is required, please contact your Diodes Inc. sales representative for availability and minimum
order details.
2. Part mounted on FR-4 board with recommended pad layout, which can be found on our website
at http://www.diodes.com/datasheets/ap02001.pdf.
3. Short duration pulse test used so as to minimize self-heating effect.
4. For Packaging Details, go to our website at http://www.diodes.com/datasheets/ap02007.pdf.