Littelfuse SMCJ-HRA Series User Manual

Smcj-hra series, Transient voltage suppression diodes, Tvs diode arrays

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Transient Voltage Suppression Diodes

34

TVS Diode Arrays

(SPA

Family of Products)

©2013 Littelfuse, Inc.

Specifications are subject to change without notice.

Revised: 10/24/13

Surface Mount – 1500W > SMCJ-HRA series

SMCJ-HRA Series

SMCJ-HRA devices are ideal for the high reliability
protection of I/O Interfaces, V

CC

bus and other vulnerable

circuits used in Telecom, Computer, Industrial and
Consumer electronic applications.

Applications

• High reliability devices

with fabrication and
assembly lots traceability

• Enhanced reliability

screening options are
available in reference to
MIL-PRF-19500. Refer to
screen process table for
more detail on screening
options

• For surface mounted

applications to optimize
board space

• Low profile package
• Built-in strain relief

V

BR

@T

J

= V

BR

@25°C x (1+

αT

x (T

J

- 25))

(

αT:Temperature Coefficient)

• Glass passivated chip

junction

• 1500W peak pulse power

capability at 10/1000μs
waveform, repetition rate
(duty cycles):0.01%

• Fast response time:

typically less than 1.0ps
from 0V to BV min

• Excellent clamping

capability

• Low incremental surge

resistance

• Typical I

R

less than 1µA

above 12V

• High Temperature

soldering guaranteed:
260°C/40 seconds at
terminals

• Plastic package has

Underwriters laboratory
flammability 94V-O

• Meet MSL level1, per

J-STD-020, LF maximun
peak of 260

°

C

• Matte tin lead–free plated
• Halogen free and RoHS
compliant

Features

The SMCJ-HRA High Reliability series is designed
specifically to protect sensitive electronic equipment from
voltage transients induced by lightning and other transient
voltage events. These are available with a variety of up-
screening options for enhanced reliability.

Description

Parameter

Symbol

Value

Unit

Peak Pulse Power Dissipation at

T

A

=25ºC by 10/1000µs waveform

(Fig.1)(Note 1), (Note 2)

P

PPM

1500

W

Power Dissipation on infinite heat

sink at T

A

=50

O

C

P

M(AV)

6.5

W

Peak Forward Surge Current, 8.3ms

Single Half Sine Wave (Note 3)

I

FSM

200

A

Maximum Instantaneous Forward

Voltage at 100A for Unidirectional

only (Note 4)

V

F

3.5/5.0

V

Operating Junction and Storage

Temperature Range

T

J

, T

STG

-55 to 150

°C

Typical Thermal Resistance Junction

to Lead

R

uJL

15

°C/W

Typical Thermal Resistance Junction

to Ambient

R

uJA

75

°C/W

Notes:
1. Non-repetitive current pulse , per Fig. 3 and derated above T

A

= 25

O

C per Fig. 2.

2. Mounted on copper pad area of 0.31x0.31” (8.0 x 8.0mm) to each terminal.
3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional

device only, duty cycle=4 per minute maximum.

4. V

F

<3.5V for V

BR

_

_

<

200V and V

F

<5.0V for V

BR

__

>

201V.

Maximum Ratings and Thermal Characteristics
(T

A

=25

O

C unless otherwise noted)

Agency Approvals

AGENCY

AGENCY FILE NUMBER

E230531

1

Functional Diagram

Bi-directional

Uni-directional

Cathode

Anode

RoHS

SMCJ-HRA Series

Bi-directional

Uni-directional

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