MMBZ27VDA-V_12 Datasheet, PDF (2/4 Pages) Vishay Siliconix – Small Signal Zener Diodes, Dual

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MMBZ27VDA-V
Vishay Semiconductors
ELECTRICAL CHARACTERISTICS (T_amb = 25 °C, unless otherwise specified)
PART NUMBER
ZENER VOLTAGE
RANGE ⁽¹⁾
TEST
CURRENT
REVERSE
VOLTAGE
MAX.
REVERSE
SURGE
CURRENT
MAX.
REVERSE
VOLTAGE
(CLAMPING
VOLTAGE) ⁽²⁾
MAX.
TEMPERATURE
COEFFICIENT
V_Z at I_ZT1
V
I_ZT1
V_R at I_R
I_PP
V_C at I_RSM
mA
V
nA
A
V
V_Z
mV/°C
MIN. NOM. MAX.
MAX.
MMBZ27VDA-V 25.65 27 28.35
1
22 80
1
38
30
Notes
(1) _{VZ measured at pulse test current IZT at an ambient temperature of 25 °C}
(2) _{Surge current waveform per figure 2 and derate per figure 3}
MAX.
FORWARD
VOLTAGE
V_F at I_F
V mA
1.1 200
BASIC CHARACTERISTICS (T_amb = 25 °C, unless otherwise specified)
300
250
Alumina substrate
200
150
FR-5 board
100
50
0
0 25 50 75 100 125 17 200
18655
T,Temperature (°C)
Fig. 1 - Steady State Power Derating Curve
100
75
50
25
0
0 25 50 75 100 125 150 175 200
18657
T_A - Ambient Temperature (°C)
Fig. 3 - Pulse Derating Curve
Pulse width (t_p) is defined as that
t_r
point where the peak current
decays to 50 % of I_RSM t_r ≤ 10 µs
100
Peak value - I_RSM
Half value -
I_RSM
2
50
t_p
0
0
1
2
3
4
5
18656
t - Time (ms)
Fig. 2 - Pulse Waveform
Rev. 1.2, 14-Sep-11
2
Document Number: 81294
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