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BZA462A PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 BZA462A
기능 Quadruple ESD transient voltage suppressor
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BZA462A 데이터시트, 핀배열, 회로
DISCRETE SEMICONDUCTORS
DATA SHEET
book, halfpage
M3D302
BZA462A
Quadruple ESD transient voltage
suppressor
Product specification
Supersedes data of 1998 Oct 30
1999 May 25




BZA462A pdf, 반도체, 판매, 대치품
Philips Semiconductors
Quadruple ESD transient voltage suppressor
Product specification
BZA462A
10
handbook, halfpage
IZSM
(A)
1
101
MBK479
1 10
tp (ms)
1000
handbook, halfpage
Ptot
(mW)
800
600
400
200
0
0
50
MDA198
100 150 Ts (oC) 200
Fig.2 Maximum non-repetitive peak reverse
current as a function of pulse time.
All diodes loaded.
Fig.3 Power derating curve.
102
handbook, halfpage
PZSM
(W)
10
MBK481
1
101
1 10
tp (ms)
PZSM = VZSM × IZSM.
VZSM is the non-repetitive peak reverse voltage at IZSM.
Fig.4 Maximum non-repetitive peak reverse
power dissipation as a function of pulse
duration (square pulse).
1999 May 25
handboo2k,0h0alfpage
Cd
(pF)
160
MBK480
120
80
40
0
0 1 234 56
VR (V)
Tj = 25 °C; f = 1 MHz.
Fig.5 Diode capacitance as a function of reverse
voltage; typical values.
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BZA462A 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
BZA462A 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.
Product specification
BZA462A
1999 May 25
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부품번호상세설명 및 기능제조사
BZA462A

Quadruple ESD transient voltage suppressor

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