SPA-4
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| Probe
Specifications |
| Mechanical |
| Full
Travel: |
.250
(6.35) |
Recommended
Working Travel: |
.167
(4.24) |
| Mechanical
Life Exceeds: |
2
x 106 cycles |
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| Operating
Temperature |
| Standard
spring: |
-55°C
to +85°C |
| Alternate
spring: |
-55°C
to +150°C |
| Consult
factory for other temperature requirements, and applications below
-40° |
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| Electrical
(Static Conditions) |
| Current
Rating: |
7
amps |
| Maximum
continuous current, non-inductive at working travel |
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| Probe
Resistance |
50
milliohms |
| With
a standard deviation of <7 milliohms @ 25 mA test current |
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| Materials
and Finishes |
| Plunger: |
Heat-treated
beryllium copper, rhodium plated over hard nickel |
| Barrel: |
Work-hardened
nickel silver, gold plated over hard nickel |
| Spring
- Standard: |
Beryllium
copper |
| Spring
- Alternate: |
Stainless
steel |
| Ball: |
Brass,
gold plated |
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| Receptacle
Specifications |
| Mounting
Hole Size: |
.107/.109
(2.72/2.77) |
| A
2.75 mm drill is most commonly used |
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| Recommended
Wire Gauge: |
22-26
AWG |
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| Connections:
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SPR-4W
Crimp or push-on termination (AMP terminal 61260-1 or equivalent)
SPR-4W-1
Solder cup
SPR-4W-2
wire wrap/square post
SPR-4Y
Push-on termination (AMP terminal 60908-1 or equivalent)
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| Materials
and Finishes |
| Housing: |
Work-hardened
nickel silver, gold plated |
| Square
Post: |
Phosphor
bronze, gold plated |
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SPA-4
Test
Center .187 (4.80)
Tips
Spring
Force
Connectors
How
to Order
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Tips
(top)
Spring
Force
(top)
| Spring
Force in 0z. (grams) |
| Spring
Type |
|
Preload |
2/3
Travel |
| To
order add dash number to Model Number |
| Standard |
Shown |
2.2
(62) |
4.8
(136) |
| Alternate |
-1 |
3.2
(90) |
6.9
(196) |
| Optional
spring forces and materials are available |
Connectors
(top)
How
to Order (top)
For each
probe, specify the probe model and tip style as shown in the example below.
If required, specify the optional non-standard spring force.
Example:
Order
Form
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©1998-2003 Everett Charles Technologies. All rights reserved. Everett Charles Technologies, 700 E. Harrison Ave., Pomona, CA, 91767, U.S.A.
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