�0 BCF MKM : Matériel Thermique & Electronique BP 30139 02204 SOISSONS Cedex Tél 33 (0)323 53 09 58 http://www.bcfmkm.fr

FEATURES

CHANNEL, WEDGES AND END PIECESMaterial:_ Aluminum_Alloy_6061-T6_per_

ASTM-B-221Finish:_ See_finish_table_on_opposite_

page

SCREW & WASHERS_ .09_in_or_2.5_mm_hex._socket_

head_cap_screw,_depending_on_mounting_configuration

Material:_ Stainless_Steel_(300_Series)_

per_QQ-S-763_ASTM-A-582Finish:_ Passivated_per_MIL-S-5002_

Type_II

WEIGHT_ .115_oz/in_ (1.28_gm/cm)

Relative Clamping Force*

Relative Retention Force*

Relative Thermal Resistance*

Relative Price

.250(6.35) x .260(6.60) PROFILE

DESIGNED FOR HEAVY SHOCK, VIBRATION, & HEAT DISSIPATION

U-SHAPED CHANNEL ASSEMBLY. PROVIDES EVEN DISTRIBUTION

OF PRESSURE TO THE PCB.

LOCK WASHER & FLAT WASHER OPTION (LF)

CHANNEL DESIGN ACCOMMODATES ANY HOLE PATTERN NEEDED.

48SL = .300(7.62) + PC CARD THICKNESS47SL = .250(6.35) + PC CARD THICKNESS

RECOMMENDED GAP =

PCB

COLD PLATE

SERIES 48SL-5 WEDGE-LOK

48SL RECOMMENDED TORQUE = 115 oz-in (.8 N-m) 47SL RECOMMENDED TORQUE = 64 oz-in (.45 N-m)

Series 48SL Wedge-Lok

Patent no. 4,823,951

Also_47SL_version_available_(.225_x_.225)_call_factory_for_details

Wedge-Lok ® SerieS 48SL: high ThermaL TranSFer, .250 x .260

http://www.bcfmkm.fr ��

.260(6.60)

.250(6.35).130

(3.30)L = LENGTH .160 MAX

(4.06)

.800(20.32)B± .005(.13)

A±.005(.13)

1.10(27.9) .125(3.18)

.250(6.35)

SEE MOUNTING METHOD TABLE

LOCK NUT

ENGLISH LISTED FIRSTNOTE ON DIMENSIONS:

.XX (.X) =.02(.5).XXX(.XX)=.01(.25)

FOLLOWED BY METRIC IN PARENTHESES

TOLERANCES:UNLESS OTHERWISE

SPECIFIED

LF OPTION

LOCK WASHER

FLAT WASHER Provides additional resistance to shock and vibration(adds .06 (1.5) to screw length)

CAPABLE OF SAFELY EXPANDING .325(8.26)

.09(2.4) HEX HEAD SOCKET SCREW.

2.5 mm SUPPPLIED FOR METRIC MOUNTING

VI OPTIONLOCKEDUNLOCKED

.165(4.19)

RED AREAEXPOSED

RED AREACONCEALED

.227(5.77)

.50(12.7)

.33(8.4)

Indicates assembly is unlocked(adds .19 (4.8) to screw length)

-48 4.80(121.9) 2.90( 73.7) --50 5.00(127.0) 3.10( 78.7) --55 5.50(139.7) 3.60( 91.4) --58 5.80(147.3) 3.90( 99.1) --60 6.00(152.4) 4.10(104.1) 2.05( 52.1)-65 6.50(165.1) 4.60(116.8) 2.30( 58.4)-68 6.80(172.7) 4.90(124.5) 2.45( 62.2)-70 7.00(177.8) 5.10(129.5) 2.55( 64.8)-75 7.50(190.5) 5.60(142.2) 2.80( 71.1)-78 7.80(198.1) 5.90(149.9) 2.95( 74.9)-80 8.00(203.2) 6.10(154.9) 3.05( 77.5)-85 8.50(215.9) 6.60(167.6) 3.30( 83.8)-88 8.80(223.5) 6.90(175.3) 3.45( 87.6)-90 9.00(228.6) 7.10(180.3) 3.55( 90.2)

#DASH

L A B

MOUNTING DIMENSIONS

-120 12.00(304.8) 10.10(256.5) 5.05(128.3)-118 11.80(299.7) 9.90(251.5) 4.95(125.7)-115 11.50(292.1) 9.60(243.8) 4.80(121.9)-110 11.00(279.4) 9.10(231.1) 4.55(115.6)-108 10.80(274.3) 8.90(226.1) 4.45(113.0)-105 10.50(266.7) 8.60(218.4) 4.30(109.2)-100 10.00(254.0) 8.10(205.7) 4.05(102.9)-98 9.80(248.9) 7.90(200.7) 3.95(100.3)-95 9.50(241.3) 7.60(193.0) 3.80( 96.5)

S #2-56 UNC-2B T #0-80 UNF-2B

� MOUNTING METHOD TABLE

DASH # METHOD

M2 Metric Screws M2 X .4 M Metric Screws M2.5 X .45

� FINISH TABLE CodeLetter Finish (see pg.9 for RoHS Compliance)

C Chemical Film per MIL-C-5541, Class 1A, Gold, non RoHS compliantCC Chemical Film per MIL-C-5541, Class 1A, ClearEN Electroless Nickel per MIL-C-26074, Class 4, Grade B, BrightN Nickel Plate per QQ-N-290, Class 1, Grade G, Bright (.0002'')B Black Anodize per MIL-A-8625, Type II, Class 2, (.00005'' - .0003'')B3 Hard Black Anodize per MIL-A-8625, Type III, Class 2 (.002'')B3D Hard Black Anodize with Dry Film Lube per MIL-L46010

Part Number Code example: �8SL-5S-�8-C-LF

Series_48SL-5_Wedge-Lok_Firve-piece_High_Thermal_Transfer,_2-56_screw_mount,_4.8_inches_(121.9mm)_long,_chem_film,_with_lock_washer_and_flat_washer

Part Number Code (See_example_below)

Series �8SL-5 Wedge-Lok Five-piece HTT �8SL-5 x x -x -x -x

Optional Visual IndicatorVisual_Indicator_______________________________ __VINone_ __________________________________ _[Blank]

MountingSelect_code_letter_from_Mounting_Method_Table____________

LengthIn_1/10"_increments__________________________from_-48_(4.8")In_2.6mm_increments____________________ from_-48_(121.9mm)

FinishSelect_code_letter_from_Finish_Table___________________________ _

WashersLock_Washer_and_Flat_Washer____________________________________LFNone_ _________________________________________________ [Blank]

Wedge-Lok ® SerieS 48SL: high ThermaL TranSFer, .250 x .260