Series LA-B3
Technical
METAL CASE, CASE-MOUNTED
SEMICONDUCTORS
Part Number Series LA-B3
Natural Conv. (
C/W): 12
Forced Air (
C/W): 3.7
Mounting Envelope: 1.63" x 1.29" x .75"
DESCRIPTION OF CURVES
A.
B.
C.
D.
E.
N.C. Horiz. Device Only
Mounted to G-10.
N.C Horiz. & Vert. With
Dissipator.
200 FPM w/Diss.
500 FPM w/Diss.
1000 FPM w/Diss.
Thermal Resistance Case to Sink is 0.1-0.3
C/W w/Joint Compound.
Derate 0.7
C/watt for unplated part in natural convection only.
Ordering Information
CTS IERC PART NO.
Unplated
Comm'l. Black
Anodize
Mil. Black
Anodize
Semiconductor
Accommodated
Hole patt. ref.
no.
Max. Weight
(Grams)
LA000B3U
LAT03B3U
LAIC3B3U
LA407B3U
LA394B3U
LA000B3CB
LAT03B3CB
LAIC3B3CB
LA407B3CB
LA394B3CB
LA000B3B
LAT03B3B
LAIC3B3B
LA407B3B
LA394B3B
Undrilled
TO-3
TO-3 IC
TO-3 (4-pin)
Universal
--
2
4
5
8
10.8
10.8
10.8
10.8
10.8
HOLE PATTERNS
2. Hole Pattern no. 236 accommodates TO-3s. Available in LA-
B series heat dissipators only.
4. Hole pattern no. 237 accommodates To-3 ICs. Available in
LA-B series heat dissipators only.
5. Hole pattern no. 407 accommodates TO-3s (4-pin). Available
in LA-B series heat dissipators only.
8. Hole pattern no. 394 (universal) accommodates TO-3s, TO-
66s, TO-126s, TO-127s, or T)-220s. Available in LA-B series
heat dissipators only.
CTS IERC, Heat Sinks and Thermal Management Solutions
413 North Moss Street, Burbank, California 91502 Tel: (818) 842-7277 Fax: (818) 848-8872
Rev. 08-29-03
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