General Purpose Probe

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General Purpose Probe

EPA-3 SPA-3

Test Center

.125 (3.18) TO ORDER, CALL 909-625-9390

Probe Specifications EPA-3A SPA-3A .080 (2.03) Typical 90 .100 .050 (2.54) (1.27) Typical Typical

Full Travel: .250 (6.35)

.080 (2.03)

SPA-3

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

EPA-3B SPA-3B

_____________________________________________________________________________ Electrical (Static Conditions) Current Rating: 6 amps 6 amps

30°

_____________________________________________________________________________ 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:

Maximum continuous current, non-inductive at working travel

.050 (1.27) Typical

EPA-3C SPA-3C

O.A.L. 1.30 (33.02)

.050 (1.27)

EPA-3D SPA-3D

General Purpose Probes

EPA-3

.062 (1.58)

.080 (2.03)

Spring Force in oz. (grams) Spring Type Preload

2/3 Travel

To order, add dash number to Model Number. Standard as shown 1.60 (45) Alternate -1 2.52 (71) Ultra High -2 4.18 (119)

4.5 (126) 6.5 (184) 11.7 (332) (SPA only)

Optional spring forces and materials are available.

EPA-3E SPA-3E

Receptacle Specifications

90

.100 (2.54)

EPA-3

EPA-3F SPA-3F

.100 (2.54)

EPA-3G SPA-3G

Full Travel: .250 (6.35)

.080 (2.03)

90°

Mounting Hole Size: .094/.096 (2.39/2.44) .094/.096 (2.39/2.44) A #41 or 2.4 mm drill is most commonly used. _____________________________________________________________________________ Recommended Wire Gauge: 22-26 AWG 22-26 AWG _____________________________________________________________________________ Connections: SPR-3W Crimp or push-on SPR-3W Crimp or push-on termination (AMP terminal termination (AMP terminal 60983-1 or equivalent) 60983-1 or equivalent) SPR-3W-1 Solder cup SPR-3W-1 Solder cup SPR-3W-2 wire wrap/square SPR-3W-2 wire wrap/square post post SPR-3Y Push-on termination SPR-3Y Push-on termination (AMP terminal 42827-2 or (AMP terminal 42827-2 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

.050 (1.27)

SPR-3W

EPA-3H SPA-3H

.180 Min. (4.57) .047 (1.19) Typical

.300 (7.62) Typical

.058 (1.47) Typical

O.A.L. 1.30 (33.02)

.100 (2.54)

EPA-3J SPA-3J

SPR-3W-1 Solder Cup

Press Ring +.004 .098 -.000 Typical (2.49)

Full Radius .050 (1.27)

.093 (2.36) Typical

1.20 (30.48)

SPR-3W-2

EPA-3T SPA-3T

1.57 (39.88)

.080 (2.03)

.025 (0.64)

.100 (2.54)

SPR-3Y

.975 (24.77)

SPA-3

Actual Size

64

Note: EPA tips shown for reference.

Dimensions in inches (millimeters)

Other applications: