1998 Oct 15 2
NXP Semiconductors Product data sheet
Quadruple bidirectional ESD transient
voltage suppressor
BZA408B
FEATURES
• ESD rating >15 kV, according to IEC1000-4-2
• SOT457 surface mount package
• Non-clamping range: −5 V to +5 V
• Channel separation: >70 dB
• Low reverse current: <100 nA
• Low diode capacitance: <75 pF.
APPLICATIONS
• Protection of equipment, connected to data and
transmission lines, against voltage surges caused by
electrostatic discharge e.g:
– Computers and peripherals
– Audio and video equipment
– Communication systems
– Medical equipment
– Portable electronics.
DESCRIPTION
4-bit wide monolithic bidirectional ESD transient voltage
suppressor in a six lead SOT457 (SC-74) package.
PINNING
PIN DESCRIPTION
1 cathode 1
2, 5 ground
3 cathode 2
4 cathode 3
6 cathode 4
Fig.1 Simplified outline (SOT457) and symbol.
Marking code: Z8.
handbook, halfpage
132
4
56
Top view
MAM409
132
456
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL PARAMETER CONDITIONS MIN. MAX. UNIT
Per diode (pin 2 and / or 5 connected to ground)
I
ZSM
non-repetitive peak reverse current t
p
= 1 ms; square pulse; see Fig.2 − 2 A
P
ZSM
non-repetitive peak power t
p
= 1 ms; square pulse − 20 W
T
stg
storage temperature −65 +150 °C
T
j
junction temperature −65 +150 °C
