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BZA856A PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 BZA856A
기능 Quadruple ESD transient voltage suppressor
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BZA856A 데이터시트, 핀배열, 회로
DISCRETE SEMICONDUCTORS
DATA SHEET
book, halfpage
MBD127
BZA800A-series
Quadruple ESD transient voltage
suppressor
Preliminary specification
2000 Apr 18




BZA856A pdf, 반도체, 판매, 대치품
Philips Semiconductors
Quadruple ESD transient voltage suppressor
Preliminary specification
BZA800A-series
10
IZSM
(A)
1
BZA856A
BZA862A
BZA868A
BZA820A
100
PZSM
(W)
BZA856A, BZA862A, BZA868A
BZA820A
10
0.1
0.01
0.1
1 10
tp (ms)
Fig.2 Maximum non-repetitive peak reverse
current as a function of pulse time.
1
0.01
0.1
1 10
tp (ms)
PZSM = VZSM × IZSM.
VZSM is the non-repetitive peak reverse voltage at IZSM.
Fig.3 Maximum non-repetitive peak reverse
power dissipation as a function of pulse
duration (square pulse).
200
Cd
(pF)
160
120
80
40
0
0
BZA856A
BZA862A
BZA868A
BZA820A
5 10 15
VR (V)
Tj = 25 °C; f = 1 MHz.
Fig.4 Diode capacitance as a function of reverse
voltage; typical values.
2000 Apr 18
4

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BZA856A 전자부품, 판매, 대치품
Philips Semiconductors
Quadruple ESD transient voltage suppressor
Device placement and printed-circuit board layout
Circuit board layout is of extreme importance in the
suppression of transients. The clamping voltage of the
BZA800A is determined by the peak transient current and
the rate of rise of that current (di/dt). Since parasitic
inductances can further add to the clamping voltage
(V = L di/dt) the series conductor lengths on the
printed-circuit board should be kept to a minimum. This
includes the lead length of the suppression element.
In addition to minimizing conductor length the following
printed-circuit board layout guidelines are recommended:
1. Place the suppression element close to the input
terminals or connectors.
2. Keep parallel signal paths to a minimum.
3. Avoid running protection conductors in parallel with
unprotected conductors.
4. Minimize all printed-circuit board loop areas including
power and ground loops.
5. Minimize the length of the transient return path to
ground.
6. Avoid using shared transient return paths to a common
ground point.
Preliminary specification
BZA800A-series
2000 Apr 18
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부품번호상세설명 및 기능제조사
BZA856A

Quadruple ESD transient voltage suppressor

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