38BT0-V-4-N datasheet, PDF - EEWORLD Datasheet

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38BT0-V-4-N: DescriptionPUSHBUTTON SWITCH, SPST, MOMENTARY, 1A, 28VDC, THROUGH HOLE-STRAIGHT, ROHS COMPLIANT; CategoryMechanical and electronic products switch; File Size56KB，1 Pages; ManufacturerGrayhill; Websitehttp://www.grayhill.com; Environmental Compliance

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38BT0-V-4-N Overview

PUSHBUTTON SWITCH, SPST, MOMENTARY, 1A, 28VDC, THROUGH HOLE-STRAIGHT, ROHS COMPLIANT

38BT0-V-4-N Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
package instruction	ROHS COMPLIANT
Reach Compliance Code	compliant
Actuator type	PLUNGER
body width	5.08 mm
body height	8.89 mm
Body length or diameter	8.13 mm
Contact (AC) maximum rated R load	1A@120VAC
Maximum contact current (AC)	1 A
Maximum contact current (DC)	1 A
Contact (DC) maximum rated R load	1A@28VDC
Maximum contact voltage (AC)	120 V
Maximum contact voltage (DC)	28 V
Electrical life	80000 Cycle(s)
JESD-609 code	e4
Manufacturer's serial number	38BT
Installation features	THROUGH HOLE-STRAIGHT
Maximum operating temperature	85 °C
Minimum operating temperature	-30 °C
surface mount	NO
Switch action	MOMENTARY
switch function	SPST
Switch type	PUSHBUTTON SWITCH
Terminal surface	SILVER
Termination type	SOLDER
Base Number Matches	1

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Butt Contact Pushbutton Switches

SERIES 38BT and 38BC

Sub-Miniature Vertical PC Mount

FEATURES

• Actuates at Right Angle to Printed Circuit

Board

• Drop-In Replacement for Industry

Standard

• SPST and SPDT, Momentary Contact

• Sealed Plunger Option

DIMENSIONS

38BT

Dim.

In inches (and millimeters)

.200

(5,08)

.190 (4,83)

DIA.

.100 (2,54)

DIA.

.200

(5,08)

.320

(8,13)

Pushbutton Switches

SPST

38BC

.180 (4,57)

DIA.

.177

(4,50)

.527 (13,39)

.130 (3,30) TYP.

.020 (0,51)

SQUARE

DIM "A"

.180

(4,57)

DIA.

.527(13,39)

.177

(4,50)

.320

(8,13)

.200

(5,08)

.200

SPDT

.190

(4,83)

DIA.

.100

(2,54)

DIA.

.130

(3,30)

TYP.

.100

(2,54)

TYP.

SPECIFICATIONS

Electrical Ratings

Operating Life:

80,000 make-and-break

cycles at full load

Contact Rating (resistive load):

Gold Contacts:

0.4 VA maximum at 20 Vac or

Vdc

Silver Contacts:

1.0 Amp maximum at 120

Vac or 28 Vdc

Contact Resistance:

Below 20 milliohms

typical initial at 2-4 Vdc, 100 mA, for both

silver and gold-plated contacts

Insulation Resistance:

1000 megaohms

minimum

Voltage Breakdown:

1000 Vrms minimum at

sea level

Operating Temperature:

-30°C. to +85°C.

Solderability:

Per MIL-STD-202F, Method

208D, or EIA RS-186E, Method 9 (1 hour

steam aging)

Unless otherwise indicated, tolerances are ± .010 (0,25)

Materials and Finishes

Base and Cover:

Thermoplastic (UL 94V-0)

Plunger:

Thermoplastic (UL 94V-0), (S

versions include an internal o-ring seal)

Terminals:

Copper alloy, gold or silver plate

(as specified) over nickel plate

Spring:

Plated music wire

Contact System:

Copper alloy, gold or silver

plate (as specified) over nickel plate

CIRCUITRY

ORDERING INFORMATION

Series:

38BT = SPST, Momentary, Thru-Hole

Series:

38BC = SPDT, Momentary, Thru-Hole

Dimension A:

0 = 0.020" 4 = 0.215"

38BT-4-V-3-S

SPST–N.O.

SPST N.O.

COMM

TERM. 2

N.C.

TERM. 1

N.O.

TERM. 3

Seal:

S = O-Ring Seal, N = No Seal

Contact Material:

1 = Solder Dip over Gold

2 = Solder Dip over Silver

3 = Gold - RoHS Compliant

4 = Silver - RoHS Compliant

Orientation:

V = Vertical to PCB

Available from your local Grayhill Distributor.

For prices and discounts, contact a local Sales

Office, an authorized local Distributor or Grayhill.

60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com

SPDT–N.O.

Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois

.020 (0,51)

SQ. TYP.

Pushbutton

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