收藏本站
MMBD4448
Document number: DS12011 Rev. 17 - 2
2 of 4
www.diodes.com
February 2011
? Diodes Incorporated
MMBD4448
Maximum Ratings
@TA
= 25°C unless otherwise specified
Characteristic Symbol Value Unit
Non-Repetitive Peak Reverse Voltage
VRM
100 V
Peak Repetitive Reverse Voltage
Working Peak Reverse Voltage
DC Blocking Voltage
VRRM
VRWM
VR
75 V
RMS Reverse Voltage
VR(RMS)
53 V
Forward Continuous Current (Note 4)
IFM
500 mA
Average Rectified Output Current (Note 4)
IO
250 mA
Non-Repetitive Peak Forward Surge Current @ t = 1.0μs
@ t = 1.0s
IFSM
4.0
1.0
A
Thermal Characteristics
Characteristic Symbol Value Unit
Power Dissipation (Note 4)
PD
350 mW
Thermal Resistance Junction to Ambient Air (Note 4)
RθJA
357
°C/W
Operating and Storage Temperature Range
TJ , TSTG
-65 to +150
°C
Electrical Characteristics
@TA
= 25°C unless otherwise specified
Characteristic Symbol Min Max Unit Test Condition
Reverse Breakdown Voltage (Note 5)
V(BR)R
75
?
V
IR
= 2.5
μA
Forward Voltage
VF
0.62
?
?
?
0.72
0.855
1.0
1.25
V
IF
= 5.0mA
IF
= 10mA
IF
= 100mA
IF
= 150mA
Reverse Current (Note 5)
IR
?
2.5
50
30
25
μA
μA
μA
nA
VR
= 75V
VR
= 75V, T
J
= 150
°C
VR
= 25V, T
J
= 150
°C
VR
= 20V
Total Capacitance
CT
?
4.0 pF VR
= 0, f = 1.0MHz
Reverse Recovery Time
trr
?
4.0 ns IF
= I
R
= 10mA,
Irr = 0.1 x IR, RL
= 100
Ω
Notes: 4. Part mounted on FR-4 board with recommended pad layout, which can be found on our website at http://www.diodes.com.
5. Short duration pulse test used to minimize self-heating effect.
0
0
100
120
80
160
200
P
,
P
O
WE
R
DISSI
P
A
T
I
O
N (mW)
D
T , AMBIENT TEMPERATURE (°C)A
Fig. 1 Power Derating Curve
200
300
500
40
400
Note 4
10
100
1,000
1
0.1
0
1.6
1.2
0.4
0.8
I, I
N
S
T
A
N
T
A
N
E
O
U
S
F
O
R
WA
R
D
C
U
R
R
E
N
T
(mA)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)F
Fig. 2 Typical Forward Characteristics
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*
相关PDF资料
MMBD4448H-7-F DIODE SWITCH 80V 350MW SOT23-3
MMBD4448HW-7-F DIODE SWITCH 80V 200MW SC70-3
MMBD4448W-7-F DIODE SWITCH 75V 200MW SC70-3
MMBD4448 DIODE 75V 200MA SOT23
MMBD6050LT3G DIODE SWITCHING 70V SOT-23
MMBD914 DIODE ULTRAFAST HI COND SOT-23
MMDL6050T1 DIODE SWITCHING 70V SOD-323
MMDL770T1G DIODE SCHOTTKY 70V SOD-323
相关代理商/技术参数
MMBD4448ADW 制造商:TRSYS 制造商全称:Transys Electronics 功能描述:Plastic-Encapsulate Diode
MMBD4448AQW 制造商:TRSYS 制造商全称:Transys Electronics 功能描述:Plastic-Encapsulate Diode
MMBD4448BPT 制造商:CHENMKO 制造商全称:Chenmko Enterprise Co. Ltd. 功能描述:SWITCHING DIODE ARRAY
MMBD4448CDW 制造商:TRSYS 制造商全称:Transys Electronics 功能描述:Plastic-Encapsulate Diode
MMBD4448DW 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:SURFACE MOUNT SWITCHING DIODE
MMBD4448DW_09 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:SURFACE MOUNT SWITCHING DIODE
MMBD4448DW_1 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:SURFACE MOUNT SWITCHING DIODE
MMBD4448DW_13 制造商:MCC 制造商全称:Micro Commercial Components 功能描述:200mW Switching Diodes