LOADED BOARD TEST PROBES 

SERIES
HIGH PERFORMANCE ALL GOLD 

 70 
.100 (2.54) CENTERS 

ECONOMY 

 73 
.250 (6.35) STROKE 

RHODIUM PLATED 

 74 

Tool Bar


Probe Technical Data
 Mechanical
MINIMUM CENTERS: .100 (2.54)
FULL TRAVEL: .250 (6.35)
WORKING TRAVEL: .167 (4.24)
OPERATING LIFE: 1,000,000 cycles

Electrical
MAXIMUM CURRENT: 5 amps continuous
at working travel, non-inductive
RESISTANCE: At 35mA test current

70 18 mOhms mean
73 60 mOhms mean
74 40 mOhms mean

Materials and Finishes
PLUNGER: Heat treated beryllium copper

70 24Kt gold plated over nickel
73 24Kt gold plated over nickel
74 Rhodium plated over nickel

BARREL: Nickel silver

70 24Kt gold plated ID and OD over nickel
73 No Finish
74 24Kt gold plated ID and OD over nickel

SPRING: Music wire

Spring Force +/- 20% oz. (grams)

 Spring Type

Preload

@ 2/3 Travel

-0

1.2 (34)

3.5 (99)

-1

2.0 (57)

5.5 (156)

-2

2.5 (71)

6.3 (179)

-3

3.5 (99)

9.0 (255)

-4

2.4 (68)

8.0 (227)

-5

.5 (14)

1.8 (51)

 -6

1.7 (48) 

10.0 (284) 

Note -6 Spring Available -H, SBT75-W only.

 

 

 

 


 



 
  
     
     
 		    
     
     
   
  
     

STEEL PLUNGERS: SEE ORDERING INFORMATION

 

 

RECEPTACLES

 Receptacle Technical Data  

Barrel extends from the top the receptacle by
.010

MOUNTING HOLE SIZE: .067/.069 (1.7/1.75)
diameter, #51 (1.75mm) drill
WIRE GAUGE: 22-26 AWG
CONNECTIONS:
R70-1/R73-1 Crimp
R70-2/R73-2 Vaccuum tight wire wrap
R70-3/R73-3 Solder cup
R70-4/R73-4 Vaccuum tight round pin
R70-5/R73-5 Flush mounted pin receptacle

  

Material and Finishes
RECEPTACLE BODY: Nickel silver
FINISH: (R70 Style) 24Kt gold plate
(R73 style) No finish

 

 

WIRE WRAP AND ROUND PIN:
Phosphor bronze, 24Kt gold plate
PIN RECEPTACLE: (-5 ONLY)
Four finger heat treated beryllium
copper contact with 24Kt gold plate.

 

 

INSERTION TOOLS:
IT70 Flush
IT70 Adjustable
CRIMP TOOL 22-26 AWG
CT 70