SMAJ85CA Littelfuse Inc, SMAJ85CA Datasheet

SMAJ85CA

Manufacturer Part Number

SMAJ85CA

Description

DIODE TVS 85V 400W BIDIR 5% SMA

Manufacturer

Littelfuse Inc

Series

SMAJr

Datasheet

1.4879768.pdf (5 pages)

Specifications of SMAJ85CA

Voltage - Reverse Standoff (typ)

85V

Voltage - Breakdown

94.4V

Power (watts)

400W

Polarization

Bidirectional

Mounting Type

Surface Mount

Package / Case

DO-214AC, SMA

Polarity

Bidirectional

Channels

1 Channel

Clamping Voltage

137 V

Operating Voltage

85 V

Breakdown Voltage

94.4 V

Termination Style

SMD/SMT

Peak Surge Current

2.9 A

Peak Pulse Power Dissipation

400 W

Maximum Operating Temperature

+ 150 C

Minimum Operating Temperature

- 65 C

Dimensions

2.79 mm W x 4.5 mm L x 2.29 mm H

Lead Free Status / RoHS Status

Lead free by exemption / RoHS Compliant

Other names

SMAJ85CALFTR

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Current page: 1 of 5
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Notes:

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

2. Mounted on 5.0x5.0mm copper pad to each terminal.

3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional

4. V

Speciﬁcations are subject to change without notice.

Please refer to http://www.Littelfuse.com/series/SMAJ.html for current information.

Agency Approvals

Maximum Ratings and Thermal Characteristics

Parameter

Peak Pulse Power Dissipation at

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

Power Dissipation on inﬁnite heat

sink at T

Peak Forward Surge Current, 8.3ms

Single Half Sine Wave (Note 3)

Maximum Instantaneous Forward

Voltage at 25A for Unidirectional

only (Note 4)

Operating Junction and Storage

Temperature Range

Typical Thermal Resistance Junction

to Lead

Typical Thermal Resistance Junction

to Ambient

device only.

AGENCY

=25ºC by 10x1000μs waveform

< 3.5V for V

RoHS

=25

C unless otherwise noted)

=50

SMAJ Series

200V and V

< 6.5V for V

AGENCY FILE NUMBER

E230531

201V.

Symbol

, T

M(AV)

FSM

PPM

uJL

uJA

STG

=25ºC per Fig. 2.

Transient Voltage Suppression Diodes

Surface Mount – 400W > SMAJ series

-65 to 150

3.5V/6.5

Value

400

120

3.3

°C/W

Unit

Revision: January 09, 2009

°C

Description

The SMAJ series is designed speciﬁcally to protect

sensitive electronic equipment from voltage transients

induced by lightning and other transient voltage events.

Features

Applications

TVS devices are ideal for the protection of I/O Interfaces,

Computer, Industrial and Consumer electronic applications.

applications to optimize

board space

capability

capability at 10 x 1000μs

waveform, repetition rate

(duty cycle): 0.01%

bus and other vulnerable circuits used in Telecom,

above 12V

temperature coefﬁcient

ΔV

typically less than 1.0ps

from 0 Volts to V

soldering: 260°C/40

seconds at terminals

Underwriters Laboratory

Flammability 94V-O

Plated

= 0.1% x V

less than 1μA

@25°C x ΔT

SMAJ Series

min

Related parts for SMAJ85CA

SMAJ85CA Summary of contents

Page 1

SMAJ Series RoHS Agency Approvals AGENCY AGENCY FILE NUMBER E230531 Maximum Ratings and Thermal Characteristics (T = unless otherwise noted) A Parameter Symbol Peak Pulse Power Dissipation at T =25ºC by 10x1000μs waveform P A PPM (Fig.1)(Note 1), ...

Page 2

... RE ZE SMAJ58A SMAJ58CA RG ZG SMAJ60A SMAJ60CA RK ZK SMAJ64A SMAJ64CA RM ZM SMAJ70A SMAJ70CA RP ZP SMAJ75A SMAJ75CA RR ZR SMAJ78A SMAJ78CA RT ZT SMAJ85A SMAJ85CA RV ZV SMAJ90A SMAJ90CA RX ZX SMAJ100A SMAJ100CA RZ ZZ SMAJ110A SMAJ110CA SE VE SMAJ120A SMAJ120CA SG VG SMAJ130A SMAJ130CA SK VK SMAJ150A SMAJ150CA SM VM SMAJ160A ...

Page 3

Ratings and Characteristic Curves (T =25°C unless otherwise noted) A Figure 1 - Peak Pulse Power Rating Curve 10 1 0.2x0.2" (5.0x5.0mm) Copper Pad Area 0.1 0.000001 0.00001 0.0001 t -Pulse Width (sec.) d Figure 3 - Pulse Waveform 150 ...

Page 4

Transient Voltage Suppression Diodes Surface Mount – 400W > SMAJ series Soldering Parameters Reﬂow Condition - Temperature Min (T ) s(min) Pre Heat - Temperature Max (T ) s(max) - Time (min to max Average ramp up ...

Page 5

Part Numbering System SMAJ XXX VOLTAGE TOLERANCE BI-DIRECTIONAL VOLTAGE SERIES Packaging Component Part number Quantity Package SMAJxxxXX DO-214AC 5000 ©2009 Littelfuse, Inc. Speciﬁcations are subject to change without notice. Please refer to http://www.Littelfuse.com/series/SMAJ.html for current information. Transient ...

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