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TA7 Fiches technique(PDF) 2 Page - Vishay Siliconix

No de pièce TA7
Description  Small Signal Zener Diodes, Dual
PDF  5 Pages
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Fabricant  VISHAY [Vishay Siliconix]
Site Internet  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

TA7 Fiches technique(HTML) 2 Page - Vishay Siliconix

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Document Number 81294
Rev. 1.0, 08-Mar-06
MMBZ27VDA-V
Vishay Semiconductors
Electrical Characteristics
Note:
1) V
BR measured at pulse test current IT at an ambient temperature of 25 °C
2) Surge current waveform per Figure 2 and derate per Figure 3
Typical Characteristics
Tamb = 25 °C, unless otherwise specified
Partnumber
Breakdown
Voltage1)
Test
Current
Working
Peak
Reverse
Voltage
Max.
Reverse
Leakage
Current
Max.
Reverse
Surge
Current
Max. Reverse
Voltage
(Clamping
Voltage)
Max.
Temperature
Coefficient
Max. Forward
Voltage
VBR at IT
IT
VRWM
IR
IPP
VC at IRSM
2)
at VBR
VF
at IF
V
mA
V
nA
A
V
mV/°C
V
mA
min
max
MMBZ27VDA-V
25.65
28.35
1.0
22.0
80
1.0
38.0
30
1.1
200
Figure 1. Steady State Power Derating Curve
Figure 2. Pulse Waveform
0
25
50
75
100
125
150
175
50
0
300
100
150
200
250
ALUMINA SUBSTRATE
FR-5 BOARD
T, Temperature (°C)
18655
100
50
0
0
1
2
3
4
t, Time (ms)
tr
tp
Peak Value-IRSM
Half Value-
RSM
I
2
Pulse width (tp) is defined
as that point where the
peak current decays to
50 % of I
tr
≤ 10 µs
RSM
18656
Figure 3. Pulse Derating Curve
0
25
50
75
100
125
150
175
200
0
25
50
75
TA
Ambient Temperature (°C)
-
100
18657



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