Test Connections Inc.

3.74" MUSIC WIRE TRANSLATION PINS 

SERIES 75 

Tool Bar

These unique pins have the capability of testing SMD products on centers of: .050, .040, .025 and as low as .015 mil. They also allow testing of high density boards with the standard .100 mil. grid. It is possible to fan the pins up to .400 inches off center, and still maintains excellent contact. The use of a three plate system is recommended. Test Connections offers pins in six diameters and several different head styles to facilitate almost any application. Custom designs can also be supplied. 

MATERIAL:
Head:
Hardened Beryllium Copper, Gold Plated.
Shaft: Music Wire, Nickel Plated.

75-XXX
CONICAL
W/RADIUS
 
 For use with SMD pads and component holes.

PART NUMBER 

DIAMETER "A" 

75-122 

.020 (.51) 

75-003 

.023 (.58) 

75-001 

.032 (.81) 

75-135 

.040 (1.02) 

75-126 

.051 (1.30) 


 

 

75-XXX 90 DEG
CONE
W/FLAT
 
 Used for testing plated thru holes.
 

PART NUMBER 

DIAMETER "A" 

 DIM.
"B"

75-050 

.050 (1.27) 

 .015 (.381)

75-119 

.071 (1.80) 

 .015 (.381)

75-136 

.098 (2.50) 

 .015 (.381)

75-138 

138 (3.50) 

.015 (.381)  

75-156 

.156 (3.96) 

 .015 (.381)

75-141
POINTED TIP
 
 For use with SMD pads.
 

 PART NO.

 DIA. "A"

HEAD STYLE

 75-141

.016

 60 DEG.

 75-353

 .014

 75-140

 .012

 
75-99-XXX
120 DEG. CONE W/FLAT
 
 Used for testing plated thru holes.
 

PART NUMBER 

DIAMETER "A" 

 DIM.
"B"

75-99-061 

.061 (1.549) 

 .015 (.381)

75-99-119 

.071 (1.80) 

 .040 (1.016)

 75-99-080

 .080 (2.032)

 .015 (.381)

75-99-120 

.098 (2.50) 

 .061 (1.549)

75-99-138 

.138 (3.50) 

.093 (2.362)  

75-99-156 

.156 (3.96) 

 .112 (2.845)

75-99-185 

 .185 (4.699)

 .134 (3.404)

 

 

75-XXX
INSULATED
 
 An insulated pin, used when pins
may touch.
PART NO.  DIA. "A"  DIA. "B" 
75-164  .016 (.41)  .018 (.46) 
75-183  .020 (.51)  .022 (.56) 
75-169  .023 (.58)  .025 (.64) 
75-185  .032 (.81)  .034 (.86) 
 

75-120
DOME
 
Used with Gold Fingers.
 
75-186   Extra long pin for extended reach.
Gold plated for identity.
 



75-XXX
CONICAL
W/DOME
 
 Material: Spring Brass.

 PART NUMBER DIAMETER "A" 
75-167  .040 (1.02) 
75-168  .051 (1.30) 

 

75-110   Material: Music Wire.
Length: 3.74" O.A.L.

75-166
PYRAMID
 
 Material: Spring Brass.





 

 
75-005-G1   Material: Music Wire Gold Plated.


75-140   Material: Music Wire
Length: 3.74" O.A.L.


 
 

 

PART#

 Material:

 Dia.
 75-005T

 Tungsten wire

 .005(.127)
 75-008T

 Tungsten wire

 .008(.203)