Overclamps


Heavy Duty and Medium Duty Overclamps

Linear Touch™ Overclamps
The LINEAR TOUCH™ series has an unrestricted open design for Push Pin placements in the X, Y axis & has linear Z axis motion, which eliminates wiping action. This line of overclamps feature precision machined aluminum and stainless steel parts for superior strength and smooth operation.

 

Open View Cutout 2-sm Frontview Cutout 1-sm
LT121200A

 

H+W LINEAR TOUCH™ Overclamps
Linear Touch
Overclamps
Outside Dimensions
of Overclamp
Maximum Board
Size
LT090800A 11.75″ x 10.81″ (298×275) 9.00″ x 8.75″ (228×222)
LT121200A 14.75″ x 14.81″ (374×376) 12.00″ x 12.75″ (304×323)
LT161200A 18.75″ x 14.81″ (476×376) 16.00″ x 12.75″ (407×323)
Fixture Kit Compatibility/Probe Capacity Recommendations
Linear Overclamp Operation

 


H+W Optional LINEAR TOUCH™ ESD Plates
LT09114 G1 .500″ (12.7mm) ESD FR4/G10 Press Plate
UUT 9.00″ x 8.75″ (228.4mm x 222.0mm)
LT09124 G1 .500″ (12.7 mm) ESD Lexan Press Plate
UUT 9.00″ x 8.75″ (228.4mm x 222.0mm)
LT09134 G1 .125″ (3.18 mm) ESD Lexan Protective Plate
UUT 9.00″ x 8.75″ (228.4mm x 222.0mm)
Note: A .090” (2.3mm) Aluminum Protective Cover is Available. Consult Factory for lead-times.

LT12114 G2 .500″ (12.7mm) ESD FR4/G10 Press Plate
UUT 12.00″ x 12.75″ (304.6mm x 323.6mm)
LT12124 G2 .500″ (12.7 mm) ESD Lexan Press Plate
UUT 12.00″ x 12.75″ (304.6mm x 323.6mm)
LT12134 G2 .125″ (3.18 mm) ESD Lexan Protective Plate
UUT 12.00″ x 12.75″ (304.6mm x 323.6mm)
Note: A .090” (2.3mm) Aluminum Protective Cover is Available. Consult Factory for lead-times.

LT16114 G3 .500″ (12.7mm) ESD FR4/G10 Press Plate
UUT 16.00″ x 12.75″ (406.9mm x 323.6mm)
LT16124 G3 .500″ (12.7 mm) ESD Lexan Press Plate
UUT 16.00″ x 12.75″ (406.9mm x 323.6mm)
LT16134 G3 .125″ (3.18 mm) ESD Lexan Protective Plate
UUT 16.00″ x 12.75″ (406.9mm x 323.6mm)
Note: A .090” (2.3mm) Aluminum Protective Cover is Available. Consult Factory for lead-times.

 


H+W Optional LINEAR TOUCH™ ESD Push Pins “Fixed Dimension”
LT00125 .425″(10.8mm) Length for .062″(1.57mm) PC Bd.
Sold in Bags of 100

 


H+W Optional LINEAR TOUCH™ Front/Rear Frame Stiffeners
LT09102 Stiffener for LT090800A – 2 required per unit
LT12102 Stiffener for LT121200A – 2 required per unit
LT16102 Stiffener for LT161200A – 2 required per unit

 


Medium Duty Overclamps

Standard Rail Type Overclamps
H+W Test Products has developed a series of overclamps that are adjustable in the X, Y and Z axis. These overclamps distribute pressure on the surface on the UUT. Perfect for vacuum fixtures, mechanical fixtures and Opens Testing applications. Overclamps open to 90 degrees. All overclamps are made out of aluminum and steel for strength against probe force and deflection. Nylon pressure fingers are included with each unit and optional steel pins with nylon tips are available.

 

 


H+W Line Overclamps
Standard
Overclamps
Lexan Plate
Overclamps
Minimum Overall
Fixture Size
Maximum Board
Size
No. Rails No. of Pins
FC40101A FC40301A 12″ x 16″ (304×405) 9.6″ x 6.5″ (243×165) 4 18
FC40102A FC40302A 16″ x 20″ (405×507) 13.6″ x 9.5″ (344×241) 5 18
FC40103A FC40303A 20″ x 24″ (507×608) 17.6″ x 13.5″ (446×342) 6 22
FC40104A FC40304A 16″ x 20″ (405×507) 17.6″ x 9.5″ (446×241) 5 18
FC40105A FC40305A 16″ x 20″ (Dual Well) 2-4.3″ x 9.5″ (109×241) 5 18

 


Side Access Units
H+W Test Products has developed a series of mechanical side access units that are designed to contact UUT fingers and/or I/O connectors. These units can be used with either vacuum or mechanical test fixtures.

 

Part Number Maximum Usable Size
FC50107A
FC50111A
7″ (180)
11″ (280)