PGB008CA10PR Просмотр технического описания (PDF) - Littelfuse, Inc

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производитель

PGB008CA10PR

SURFACE MOUNT ESD SUPPRESSORS 8-Line CA10

Littelfuse, Inc 

PULSEGUARD® SUPPRESSOR

SURFACE MOUNT ESD SUPPRESSORS

8-Line CA10

Generalized PulseGuard Response to ESD

(Positive and Negative Polarity ESD Pulses)

Generalized I-V Curve

(Positive and Negative Polarity ESD Pulses)

Trigger Voltage

Trigger

Voltage

Clamping Voltage

DEFINITIONS

Time (ns)

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

Clamping

Voltage

Voltage (V)

Capacitance vs. Frequency

** Note: 1,000 fF = 1 pF

70

60

50

40

0.5

1.0

1.5

2.0

Frequency (GHz)

Tt

Pd

Ct

Carrier Tape Specifications

Parts are delivered on 7” (178mm) reel, plastic carrier tape

Dd

Ds

+

+

+

+

+

+

+

Tw

Ph

Ps

Pw

Description

Ct - Cover tape thickness

Dd - Drive hole diameter

Ds - Drive hole spacing

Pd - Pocket depth

Ph - Pocket height

Ps - Pocket spacing

Pw - Pocket width

Tt - Carrier tape thickness

Tw - Carrier tape width

Measurement (mm)

0.06

1.50

4.00

1.02

5.38

4.00

2.44

0.30

12.00

2

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