Philips Semiconductors
Quadruple ESD transient voltage suppressor
Product specification
BZA456A
FEATURES
• ESD rating >8 kV, according to IEC1000-4-2
• SOT457 surface mount package
• Common anode configuration
• Non-clamping range −0.5 to 5.6 V
• Maximum reverse peak power dissipation:
24 W at tp = 1 ms
• Maximum clamping voltage at peak pulse current:
8 V at IZSM = 3 A.
PINNING
PIN
1
2
3
4
5
6
cathode 1
common
cathode 2
cathode 3
common
cathode 4
DESCRIPTION
APPLICATIONS
• Computers and peripherals
• Audio and video equipment
• Communication systems
• Medical equipment.
DESCRIPTION
Monolithic transient voltage suppressor diode in a six lead
SOT457 (SC-74) package for 4-bit wide ESD transient
suppression at 5.6 V level.
handbook, halfpag6e
5
4
1
3
2
4
5
6
1
2
3
Top view
MAM357
Marking code: Z6.
Fig.1 Simplified outline (SOT457) and symbol.
LIMITING VALUES
In accordance with the Absolute Maximum Rating System (IEC 134).
SYMBOL
PARAMETER
CONDITIONS
MIN.
Per diode
IZ
IF
IFSM
IZSM
Ptot
PZSM
working current
Ts = 60 °C; note 1
−
continuous forward current
Ts = 60 °C
−
non-repetitive peak forward current tp = 1 ms; square pulse
−
non-repetitive peak reverse current tp = 1 ms; square pulse; see Fig.2 −
total power dissipation
Ts = 60 °C; see Fig.3
−
non repetitive peak reverse power square pulse; tp = 1 ms; see Fig.4 −
dissipation
Tstg
storage temperature
−65
Tj
junction temperature
−65
Notes
1. Ts is the temperature at the soldering point of the anode pin.
2. DC working current limited by Ptot max.
MAX.
note 2
100
3.75
3
720
24
+150
+150
UNIT
mA
mA
A
A
mW
W
°C
°C
1999 May 25
2