MMBZ12VAT-Q
Low capacitance unidirectional double ESD protection diode
2 November 2023
Product data sheet
1. General description
Unidirectional double ElectroStatic Discharge (ESD) protection diode in a common anode
configuration, encapsulated in a SOT23 (TO-236AB) small Surface-Mounted Device (SMD) plastic
package. The device is designed for ESD and transient overvoltage protection of up to two signal
lines.
2. Features and benefits
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Unidirectional ESD protection of two lines
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Bidirectional ESD protection of one line
Very low diode capacitance: Cd ≤ 54 pF
Reverse stand-off voltage: VRWM = 8.5 V
Low clamping voltage: VCL = 20.7 V typ. at IPP = 7 A
ESD protection up to 30 kV (IEC 61000-4-2)
Ultra low leakage current: IRM < 1 nA
Qualified according to AEC-Q101 and recommended for use in automotive applications
3. Applications
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Computers and peripherals
Audio and video equipment
Cellular handsets and accessories
Automotive electronic control units
Portable electronics
4. Quick reference data
Table 1. Quick reference data
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VRWM
reverse standoff
voltage
Tamb = 25 °C
-
-
8.5
V
IPPM
Cd
rated peak pulse
current
tp = 8/20 µs
[1]
-
-
-
7
A
diode capacitance
f = 1 MHz; VR = 0 V; Tamb = 25 °C
45
54
pF
[1] Device stressed with 8/20 μs exponential decay waveform according to IEC 61000-4-5.