SMT & THRU HOLE
BARE AND LOADED BOARD TEST PROBES

.075 (1.91) CENTERS/.100 (2.54) STROKE

 SERIES 40

Tool Bar

Probe Technical Data
Mechanical
MINIMUM CENTERS:
.075 (1.91)
FULL TRAVEL: .100 (2.54)
WORKING TRAVEL: .067 (1.70)
OPERATING LIFE: 1,000,000 cylces

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

Materials and Finishes
PLUNGER:
Heat treated beryllium
copper, 24 Kt gold plated over nickel
BARREL: Nickel silver with 24 Kt gold
plated ID and OD over nickel
SPRING: Music wire
 
Spring Force +\-20% oz. (grams)

Spring Type 

Preload 

@ 2/3 Travel 

Standard 

1.1 (32) 

2.5 (71) 

- 1 

1.6 (45) 

3.8 (108) 

    
   


 
 
   
 
 
 

 

 

Tool Bar

Receptacle Technical Data

The top of the barrel sets flush with the top of the receptacle.
MOUNTING HOLE SIZE: .055
(1.4) diameter, #54 (1.4 mm) drill
WIRE GAUGE: 24-28 AWG
CONNECTIONS:
R40-1/R40FL-1
Crimp
R40-2/R40FL-2 Wire wrap
R40-3/R40FL-3 Solder cup
R40-5/R40FL-5 Wire wrap
Material and Finishes

RECEPTACLE: Nickel silver,
with 24 Kt gold plate
WIRE WRAP PIN: Phosphor Bronze
24 Kt gold plate over nickel  

 
 
 
 

PART NO. 

DIM. "A"

DIM. "B" 

R40-2/R40FL-2 

1.06 (26.92) 

.370 (9.40) 

R40-5/R40FL-5 

.950 (24.13) 

.260 (6.60) 

To Order
PROBE:

Select tip style and spring force
EXAMPLE: 40-A has a cup style tip
with a 2.5 oz. (71 grams) spring
RECEPTACLE:
Order part number as shown
INSERTION TOOL:
IT40/44
Flush
CRIMP TOOL: 24-28 AWG
CT40