参数资料
型号: MMBD4448HTA-7-F
厂商: Diodes Inc
文件页数: 2/4页
文件大小: 82K
描述: DIODE SWITCH 80V 150MW SOT523
产品变化通告: Wire Change 16/Sept/2008
产品目录绘图: SOT-523 Top
标准包装: 1
电压 - 在 If 时为正向 (Vf)(最大): 1.25V @ 150mA
电流 - 在 Vr 时反向漏电: 100nA @ 70V
电流 - 平均整流 (Io)(每个二极管): 250mA
电压 - (Vr)(最大): 80V
反向恢复时间(trr): 4ns
二极管类型: 标准
速度: 快速恢复 =< 500 ns,> 200mA(Io)
二极管配置: 1 对共阳极
安装类型: 表面贴装
封装/外壳: SOT-523
供应商设备封装: SOT-523
包装: 标准包装
产品目录页面: 1596 (CN2011-ZH PDF)
其它名称: MMBD4448HTA-FDIDKR
MMBD4448HT /HTA /HTC /HTS
Document number: DS30263 Rev. 13 - 2
2 of 4
www.diodes.com
February 2011
? Diodes Incorporated
MMBD4448HT /HTA /HTC /HTS
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
80 V
RMS Reverse Voltage
VR(RMS)
57 V
Forward Continuous Current (Note 5)
IFM
500 mA
Average Rectified Output Current (Note 5)
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 5)
PD
150 mW
Thermal Resistance Junction to Ambient (Note 5)
RθJA
833
°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 6)
V(BR)R
80
?
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
Leakage Current (Note 6)
IR
?
100
50
30
25
nA
μA
μA
nA
VR
= 70V
VR
= 75V, T
J
= 150
°C
VR
= 25V, T
J
= 150
°C
VR
= 20V
Total Capacitance
CT
?
3.5 pF VR
= 6V, f = 1.0MHz
Reverse Recovery Time
trr
?
4.0 ns VR
= 6V, I
F = 5mA
Notes: 5. Device mounted on FR-4 PC board with recommended pad
layout, which can be found on
our website at http://www.diodes.com.
6. Short duration pulse test used to minimize self-heating effect.
0
0
50
100
150
200
250
120
160
40 80
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, Total Package (Note 5)
10
100
1,000
1
0.1
0
1.6
1.2
0.4 0.8
I , INS
T
AN
T
ANE
O
U
S
F
O
R
WA
R
D
C
U
R
R
EN
T
(mA)
F
V , INSTANTANEOUS FORWARD VOLTAGE (V)F
Fig. 2 Typical Forward Characteristics, Per Element
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