TMC - 78 Series Breadboard, Optical Tops, Optical Tables, Breadboards and Supports

2 and 4 in. thick (50, 100mm)

78 Series

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TMC’s 78 Series CleanTop^® II Breadboards provide the ultimate in rigidity and damping for smaller tops. Available in both 2 and 4 inch thicknesses (50, 100 mm), these tops include the same patented CleanTop spill-proof hole technology and small cell, high-density steel honeycomb core as our largest tops.

These tops can be readily designed to meet custom requirements including custom mounting hole patterns, through-holes, special shapes and custom materials.

TMC’s 78 Series CleanTop^® II Breadboards are recommended for virtually all demanding breadboard applications.

Features

CleanTop II spill-proof hole design
3/16 in. (5 mm) skins
One level of fixed structural damping
2 in. (50 mm) or 4 in.(100 mm) total panel thickness

Damping Level: Standard

For more information about Dry Damping, Click Here .
For information about Breadboard Levelers Click Here

How to Order

Choose the size and thickness of the top that you need from the chart below.
You must specify the Hole Pattern / Threads and /or Laser Ports. Click here to see the Hole Pattern / Laser Port Suffix Chart.
Contact TMC for purchasing and shipping information.

Standard Dry Damping

Size Chart - Basic Part Number

Surface Dimensions			2" Thick Tops (50 mm)	4" Thick Tops (100 mm)
in.	ft.	m	2" Thick Tops (50 mm)	4" Thick Tops (100 mm)
12 x 12	1 x 1	0.3 x 0.3	78-105	78-205
12 x 24	1 x 2	0.3 x 0.6	78-107	78-207
12 x 36	1 x 3	0.3 x 0.9	78-108	78-208
12 x 48	1 x 4	0.3 x 1.2	78-109	78-209
12 x 72	1 x 6	0.3 x 1.8	78-110	78-210
20 x 30		0.5 x 0.75	78-111	78-211
20 x 40		0.5 x 1.0	78-112	78-212
24 x 24	2 x 2	0.6 x 0.6	78-113	78-213
24 x 36	2 x 3	0.6 x 0.9	78-115	78-215
24 x 48	2 x 4	0.6 x 1.2	78-119	78-219
24 x 60	2 x 5	0.6 x 1.5	78-121	78-221
24 x 72	2 x 6	0.6 x 1.8	78-123	78-223
24 x 96	2 x 8	0.6 x 2.4	78-124	78-224
30 x 30		0.75 x 0.75	78-125	78-225
30 x 36		0.75 x 0.9	78-127	78-227
30 x 40		0.75 x 1.0	78-129	78-229
30 x 48		0.75 X 1.2	78-131	78-231
30 x 60		0.75 x 1.5	78-132	78-232
30 x 72		0.75 x 1.8	78-191	78-291
30 x 96		0.75 x 2.4	78-192	78-292
36 x 36	3 x 3	0.9 x 0.9	78-133	78-233
36 x 48	3 x 4	0.9 x 1.2	78-135	78-235
36 x 60	3 x 5	0.9 x 1.5	78-136	78-236
36 x 72	3 x 6	0.9 x 1.8	78-139	78-239
36 x 96	3 x 8	0.9 x 2.4	78-140	78-240
40 x 40		1.0 x 1.0	78-141	78-241
40 x 60		1.0 x 1.5	78-143	78-243
40 x 80		1.0 x 2.0	78-144	78-244
48 x 48	4 x 4	1.2 x 1.2	78-147	78-247
48 x 60	4 x 5	1.2 x 1.5	78-149	78-249
48 x 72	4 x 6	1.2 x 1.8	78-151	78-251
48 x 96	4 x 8	1.2 x 2.4	78-155	78-255
Weight Factor (WF) (approx.); Area x WF = Total Weight			0.135 lb/in.² (0.01 kg/cm²⁾	0.195 lb/in.² (0.014 kg/cm²)

Suffix Chart Hole-Patterns/Laser Ports

Suffix	Hole Pattern-Threads	Double Density	Laser Port
00R	No holes	no	no
01R	1" centers - 1/4-20	no	yes
02R	1" centers - 1/4-20	no	no
11R	25 mm centers - M6	no	yes
12R	25 mm centers - M6	no	no
01DR	1" staggered centers-1/4 - 20	yes	yes
02DR	1" staggered centers-1/4 - 20	yes	no
11DR	25 mm staggered centers-M6	yes	yes
12DR	25 mm staggered centers-M6	yes	no

How to Select an Optical Top, Optical Table
20 Reasons for choosing TMC Optical Top, Optical Table
CleanTop® II Optical Tops & Optical Tables
Dry Damping
Options & Accessories
See Also: Optical Tops, Optical Tables
	Series 710 Optical Top, Optical Table
	Series 730 Optical Top, Optical Table
	Series 770 Optical Top, Optical Table
	Series 780 Optical Top, Optical Table
	Series 790 Optical Top, Optical Table
See Also: Supports
	4 Post System
	6 Post System
	Free Standing Posts
	Modular Posts
See Also: Optical Breadboards
	78 Series Breadboard
	77 Series Breadboard
	75 Series Breadboard
Contact an Application Engineer

General Specifications

	Core: Steel honeycomb, closed-cell, 0.010 in.
		(0.2mm) thick foil
	Core shear modulus: 275,000 psi
		(19,300 kg/cm²)
	Core cell size: <0.5 in.² (3 cm²)
	Core density: 13.3 lbs/ft³
		(230 kg/m³)
	Flatness: ± 0.005 in. (0.13mm)
	Top skin: 430 series
		ferromagnetic stainless steel
	Sidewalls: Damped, formed steel channel, vinyl covered
	Tapped holes: Backed by
		1 in. (25mm) long CleanTop ^®II nylon cups