Storage & Operating Junction Temperature: -55 C to +150 C
E
Maximum Ratings @ 25
o
C Unless Otherwise Specified
Zener Current
I
F
100
mA
Maximum Forward
V
F
1.2
V
Voltage
Power Dissipation
P
(AV)
200
mWatt
(No te s A)
Peak Forward S urge
I
FSM
2.0
Amps
Current (Not e s B)
NOTES:
A. Mounted on 5.0mm2(.013mm thick) land areas.
B. Measured on 8.3ms, single half sine-wave or equivalent
square wave, duty cycle = 4 pulses per minute maximum
.
DIM
A
B
C
D
E
F
G
F
D
G
DIMENSIONS
INCHES
MM
MIN
MAX
MIN
MAX
.090
.107
2.30
2.70
.068
.078
1.75
1.95
.045
.054
1.15
1.35
.027
.038
0.70
0.95
.009
.014
0.25
0.35
.002
.006
0.05
0.15
.012
---
0.30
---
NOTE
SUGGESTED SOLDER
PAD LAYOUT
0.059"
0.039”
0.031”
www.mccsemi.com
MCC
BZT52C2V4S thru BZT52C39S
Electrical Characteristics @ 25
o
C Unless Otherwise Specified
MCC PART
NUMBER
NORMAL
ZENER
VOLTAGE
Vz@ Izt
TEST
CURRENT Izt
MAXIMUM ZENER
IMPEDANCE
‘B’ SUFFIX ONLY
Zzt @ Izt Zzk @ Izk=0.25mA
MAXIMUM REVERSE
LEAKAGE CURRENT
Ir @ Vr
TYPICAL
TEMP
COEFFICIENT
Marking
VOLTS
mA
OHMS
OHMS
uA
VOLTS
T
C
BZT52C2V4S
BZT52C2V7S
BZT52C3S
BZT52C3V3S
BZT52C3V6S
BZT52C3V9S
BZT52C4V3S
BZT52C4V7S
BZT52C5V1S
BZT52C5V6S
BZT52C6V2S
BZT52C6V8S
BZT52C7V5S
BZT52C8V2S
BZT52C9V1S
BZT52C10S
BZT52C11S
BZT52C12S
BZT52C13S
BZT52C15S
BZT52C16S
BZT52C18S
BZT52C20S
BZT52C22S
BZT52C24S
BZT52C27S
BZT52C30S
BZT52C33S
BZT52C36S
BZT52C39S
W1
W2
W3
W4
W5
W6
W7
W8
W9
WA
WB
WC
WD
WE
WF
WG
WH
WI
WK
WL
WM
WN
WO
WP
WR
WS
WT
WU
WW
WX
2.4
2.7
3.0
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
85
83
95
95
95
95
95
78
60
40
10
8.0
7.0
7.0
10
15
20
20
25
30
40
50
50
55
80
80
80
80
90
90
600
500
500
500
500
500
500
500
480
400
200
150
50
50
50
70
70
90
110
110
170
170
220
220
220
250
250
250
250
300
100
75
50
25
15
10
5.0
5.0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2.0
0.8
1.0
2.0
3.0
5.0
6.0
7.0
7.5
8.5
9.0
10
11
12
14
15
17
18
20
22.5
25
27
29
-0.075
-0.065
-0.060
-0.055
-0.055
-0.050
-0.035
-0.015
+0.005
+0.020
+0.030
+0.045
+0.050
+0.055
+0.065
+0.070
+0.075
+0.080
+0.080
+0.090
+0.090
+0.090
+0.090
+0.090
+0.090
+0.090
+0.090
+0.090
+0.090
+0.110
NOTE:
1.Tolerance and Type Number Designation. The type numbers listed have a standard tolerance on the nominal zener voltage of ±5%.
2.Specials Available Include:
A. Nominal zener voltages between the voltages shown and tighter voltage tolerances.
B. Matched sets.
3. Zener Voltage (V
Z
) Measurement. Guarantees the zener voltage when measured at 90 seconds while maintaining the lead temperature (T
L
) at 30
O
C, from the diode body.
4.Zener Impedance (Z
Z
) Derivation. The zener impedance is derived from the 60 cycle ac voltage, which results when an AC current having an rms value equal to 10% of the dc zener
current (I
ZT
or I
ZK
) is superimposed on I
ZT
or I
ZK
.
5. Surge Current (I
R
) Non-Repetitive. The rating listed in the electrical characteristics table is maximum peak, non-repetitive, reverse surge current of 1/2 square wave or equivalent sine
wave pulse of 1/120 second duration superimposed on the test current, I
ZT
, per JEDEC registration; however, actual device capability is as described in Figure 5.
语音作为自然的人机接口，可以使车载导航系统实现更安全、更人性化的操作。通过国内外车载导航系统的功能对比可知，支持语音交互是车载导航系统的一个发展趋势。另外，市场信息服务公司J.D Power and Associates的调研数据也表明，56％的消费者更倾向于选择声控的导航系统。因此，开发车载语音导航系统是很有意义的。目前，国内已经具备开发车载语音导航系统的技术基础，特别是文语转换TTS技术...[详细]
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