MA-102-55E Ohmite, MA-102-55E Datasheet

MA-102-55E

Manufacturer Part Number

MA-102-55E

Description

HEATSINK FOR TO-247 TO-264 BLK

Manufacturer

Ohmite

Series

Datasheet

1.MV-102-55E.pdf (1 pages)

Specifications of MA-102-55E

Package Cooled

TO-247 and TO-264

Attachment Method

Clip and PC Pin

Outline

55.00mm x 34.3mm

Height

1.520" (38.6mm)

Power Dissipation @ Temperature Rise

16.0W @ 42.5°C

Thermal Resistance @ Forced Air Flow

2°C/W @ 400 LFM

Product

Heatsinks

Mounting Style

Clip

Heatsink Material

Aluminum

Fin Style

Angled

Thermal Resistance

2 C / W

Dimensions

55 mm L x 34.1 mm W x 38.6 mm H

Designed For

TO-264, TO-247

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Thermal Resistance @ Natural

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

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Ohmite introduces the M

series, patented (Pat. No.

7,151,669), high performance,

low cost, configurable, scal-

able and compact heat sink

with matrix clip system for

TO-247 and TO-264 pack-

ages. This powerful heat sink

provides the easiest assembly,

largest surface area and small-

est footprint. It is the ideal type

of heat sink for high power

density and small size (1U or

2U) electronic packaging with

forced convection cooling.

s p e c i f i c a T i O n s

Heat Sink: Aluminum Alloy 6063-

Spring Clip: Music Wire, Per

Solder Foot: Cold-rolled Steel,

Interface thermal resistance:

Interface electrical isolation:

H e a T d i s s i p a T i O n

For two devices. (L = 1.0")

Ohmite Mfg. Co.

T5 or Equivalent with either

degreased or black anodized

finish.

ASTM A228 with bright nickel

plating

Per ASTM A-366 with pure tin

over copper strike. RoHS com-

pliant.

for improvement, use thermal

joint compound or 0.005 Grafoil

(TGon 800 by Laird)

Sil-Pad 900S by Bergquist or

equivalent

100

Series

M V - 1 0 2 - 5 5 E

1600 Golf Rd., Rolling Meadows, IL 60008 • 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com

O R D e R I N g I N F O R m A T I O N

Finish

A = black anodized

V = degreased

200

No. of clips

Heat Dissipated (watts)

Air Velocity (ft./min.)

400

RoHS Compliant

f e a T u r e s

• Minimum assembly cost and

• Maximum Thermal Transfer.

• Maximum Repeatability.

• Maximum Reliability. Resilient

• Design Flexibility. Maximum

600

labor. Spring Clips make the

mounting holes and fasteners

obsolete in assembly operations

& reduce costs.

Maximum surface area per unit

volume, efficient cooling fins &

consistent mounting force reduc-

es thermal resistance

Constant spring force over

repeated assembly/disassembly

spring action locks electronic

component in place. Fewer parts

in assembly and no fasteners

and washers required. Prevent

short circuit by eliminating metal

particles generated from hard-

ware or thread tapping

flexibility for dynamic device

locations and power up grading.

“Configure-to-Fit” & “Scale-to-

Meet” options give designers the

total freedom to configure the

heat sink to fit their packaging

designs and to scale the heat

sink to meet their power dissipa-

tions.

Length

(mm)

800

using the Worldwide inventory

1000

check product availability

search at ohmite.com

L a n d p a T T e r n

Heatsink with two clips for TO-264 and TO-247

part no.

* R-theta c-a for 18W dissipation total for two devices in natural convection

MV-102-55e

Ma-102-55e

(2.0mm)

(34.3mm)

0.83" (21.1mm)

0.95" (24.1mm)

1.35"

1.34" (34.1mm)

S T A N D A R D p A R T N u m b e R S F O R m S e R I e S

0.08"

M Series Heatsinks

part number

MV-102-55E

MA-102-55E

(1.8mm)

ø 0.07"

surface area

45 / 29,097

(in

/mm

C L

(3.6mm)

0.14"

2.01" (51mm)

2.17" (55mm)

(38.6mm)

description

No finish (degreased)

Black anodized

)

1.52"

user defined values

2.2 / 63

Weight

(oz./g)

C L

packaging

Bulk

resistance

(24.1mm)

Thermal

(2.5mm)

0.18"

(4.6mm)

(°c/w)*

ø 0.10"

0.95"

5.8

5.2

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