General Purpose Probe


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General Purpose Probe

EPA-4 SPA-4

Test Center

.187 (4.75) TO ORDER, CALL 909-625-9390 Probe Specifications

EPA-4

SPA-4

Mechanical Full Travel: .250 (6.35) .250 (6.35) Recommended Working Travel: .167 (4.24) .167 (4.24) 6 Mechanical Life Exceeds: 2 x 10 cycles 2 x 106 cycles _____________________________________________________________________________ Operating Temperature Standard spring: -55˚C to +85˚C -55˚C to +85˚C Alternate/Ultra High spring: -55˚C to +150˚C -55˚C to +150˚C

EPA-4A SPA-4A .100 (2.54) Typical

Full Travel: .250 (6.35)

.100 (2.54) Typical

90 .152 (3.86) .060 (1.53) Typical Typical

Consult factory for other temperature requirements, and applications below -40° C.

_____________________________________________________________________________ Electrical (Static Conditions) Current Rating: 7 amps 7 amps

EPA-4B SPA-4B

Maximum continuous current, non-inductive at working travel

_____________________________________________________________________________ Average Probe Resistance 35 mΩ 50 mΩ _____________________________________________________________________________ Materials and Finishes Plunger: Heat-treated beryllium copper, Heat-treated beryllium copper, gold plated over hard nickel rhodium plated over hard nickel Work-hardened nickel silver, Work-hardened nickel silver, Barrel: gold plated over hard nickel gold plated over hard nickel Spring: Beryllium copper, silver plated Beryllium copper, silver plated Standard: Stainless steel, silver plated Stainless steel, silver plated Alternate: Stainless steel Stainless steel Ultra High: Brass, gold plated Brass, gold plated Ball: Spring Force in oz. (grams) Spring Type Preload

2/3 Travel

To order, add dash number to Model Number. Standard as shown 2.2 (62) Alternate -1 3.2 (90) Ultra High -2 6.7 (190)

4.8 (136) 6.9 (196) 11.8 (335)

30°

.060 (1.53) Typical

O.A.L. 1.32 (33.44) Typical

.060 (1.53)

EPA-4D SPA-4D

.093 (2.36) Typical

EPA-4E SPA-4E

Receptacle Specifications .107/.109 (2.72/2.77)

General Purpose Probes

.093 (2.36)

Optional spring forces and materials are available.

Mounting Hole Size:

EPA-4C SPA-4C

.107/.109 (2.72/2.77)

90

A 2.75 mm drill is most commonly used.

_____________________________________________________________________________ Recommended Wire Gauge: 22-26 AWG 22-26 AWG _____________________________________________________________________________ Connections: SPR-4W Crimp or push-on SPR-4W Crimp or push-on termination (AMP terminal termination (AMP terminal 61260-1 or equivalent) 61260-1 or equivalent) SPR-4W-1 Solder cup SPR-4W-1 Solder cup SPR-4W-2 Wire wrap/square SPR-4W-2 Wire wrap/square post. post. SPR-4Y Push-on termination SPR-4Y Push-on termination (AMP terminal 60908-1 or (AMP terminal 60908-1 or equivalent) equivalent) _____________________________________________________________________________ Materials and Finishes Housing: Work-hardened nickel silver, Work-hardened nickel silver, gold plated over hard nickel gold plated over hard nickel Square Post: Phosphor bronze, gold plated Phosphor bronze, gold plated

SPR-4W

.180 Min. (4.57)

EPA-4F SPA-4F

.156 (3.96)

.100 (2.54) Typical

Full Travel: .250 (6.35)

.060 (1.53)

EPA-4H SPA-4H

.300 (7.62) Typical

.092 (2.34) Typical

O.A.L. 1.32 (33.53) Typical

SPR-4W-1 Solder Cup

EPA-4G SPA-4G 90°

.106 (2.69) Typical

1.20 (30.48)

.081 (2.06) Typical

.156 (3.96)

EPA-4

Press Ring +.004 .111 -.000 Typical (2.82)

.156 (3.96)

EPA-4J SPA-4J

Full Radius .060 (1.53)

SPR-4W-2 1.61 (40.9)

.093 (2.36) Typical

.025 (0.64)

SPR-4Y

.975 (24.77)

SPA-4

Actual Size Other applications:

Dimensions in inches (millimeters)

Note: EPA tips shown for reference.

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