MMBZ27VDA-V Datasheet, PDF (2/5 Pages) Vishay Siliconix – Small Signal Zener Diodes, Dual

MMBZ27VDA-V
Vishay Semiconductors
Electrical Characteristics
Partnumber
Breakdown
Voltage¹⁾
Test
Current
V_BR at I_T
I_T
V
mA
min max
MMBZ27VDA-V 25.65 28.35
1.0
Working
Peak
Reverse
Voltage
V_RWM
V
Max.
Reverse
Leakage
Current
I_R
nA
Max.
Reverse
Surge
Current
I_PP
A
22.0
80
1.0
Note:
1) _{VBR 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}
Max. Reverse
Voltage
(Clamping
Voltage)
V_C at I_RSM2)
V
38.0
Max.
Temperature
Coefficient
at V_BR
mV/°C
30
Max. Forward
Voltage
V_F at I_F
V
mA
1.1 200
Typical Characteristics
T_amb = 25 °C, unless otherwise specified
300
250
ALUMINA SUBSTRATE
200
150
FR-5 BOARD
100
50
0
0
18655
25 50
75 100 125 150 175
T, Temperature (°C)
Figure 1. Steady State Power Derating Curve
100
75
50
25
0
0
18657
25 50 ⁷⁵ 100 125 150 175 ²⁰⁰
TA ^-Ambient Temperature (°C)
Figure 3. Pulse Derating Curve
Pulse width (tp) is defined
tr
as that point where the
peak current decays to
Peak Value - IRSM ^{50 % of IRSM tr ≤ 10 µs}
100
Half Value -
IRSM
2
50
tp
0
0
18656
1
2
3
4
t, Time (ms)
Figure 2. Pulse Waveform
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2
Document Number 81294
Rev. 1.0, 08-Mar-06