參數(shù)資料
型號: CA10
廠商: Littelfuse, Inc.
英文描述: SURFACE MOUNT ESD SUPPRESSORS, 8-Line CA10
中文描述: 表面貼裝ESD抑制器,8線CA10
文件頁數(shù): 2/3頁
文件大?。?/td> 180K
代理商: CA10
2
PULSEGUARD
SUPPRESSOR
SURFACE MOUNT ESD SUPPRESSORS
8-Line CA10
DEFINITIONS
Trigger Voltage:
The measured peak voltage across the ESD
suppressor before it transitions from high to low resistance.
It is manifested as a “spike” before the clamping voltage is
achieved. This voltage is typically well below the damage
threshold of on-chip IC protection.
Clamping Voltage:
The voltage level to which the ESD
impulse voltage is reduced. This is the voltage that the sup-
pressor holds at, until the ESD transient energy is dissipat-
ed.
ESD Impulse Voltage:
Also known as the ESD Threat Voltage.
This is the voltage that is “zapped” into the circuit. Voltages
generated by people can exceed 15 kV. The IEC 61000-4-2
defines four levels of impulse voltage for testing
purposes:
SEVERITY LEVEL
1
2
3
4
AIR DISCHARGE
2 kV
4 kV
8 kV
15 kV
DIRECT DISCHARGE
2 kV
4 kV
6 kV
8 kV
+
+
+
+
+
+
+
T
w
D
s
P
h
D
d
P
s
P
w
P
d
C
t
T
t
Carrier Tape Specifications
Parts are delivered on 7” (178mm) reel, plastic carrier tape
Description
C
t
- Cover tape thickness
D
d
- Drive hole diameter
D
s
- Drive hole spacing
P
d
- Pocket depth
P
h
- Pocket height
P
s
- Pocket spacing
P
w
- Pocket width
T
t
- Carrier tape thickness
T
w
- Carrier tape width
Measurement (mm)
0.06
1.50
4.00
1.02
5.38
4.00
2.44
0.30
12.00
Trigger Voltage
Clamping Voltage
Time (ns)
V
Trigger
Voltage
Clamping
Voltage
Voltage (V)
C
** Note: 1,000 fF = 1 pF
Frequency (GHz)
C
60
50
1.0
70
40
2.0
1.5
0.5
Generalized PulseGuard Response to ESD
(Positive and Negative Polarity ESD Pulses)
Generalized I-V Curve
(Positive and Negative Polarity ESD Pulses)
Capacitance vs. Frequency
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