38BT-4-H-1-S datasheet, PDF - EEWORLD Datasheet

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38BT-4-H-1-S: DescriptionPushbutton Switches Pushbutton Switch, .215" plunger, gold contact, o-ring seal; CategoryMechanical and electronic products switch; File Size134KB，1 Pages; ManufacturerGrayhill; Websitehttp://www.grayhill.com

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38BT-4-H-1-S Overview

Pushbutton Switches Pushbutton Switch, .215" plunger, gold contact, o-ring seal

38BT-4-H-1-S Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Reach Compliance Code	compliant
Actuator angle
Actuator length	0.215 inch
Actuator material	THERMOPLASTIC
Actuator type	PLUNGER
Other features	O-RING SEAL
body width	8.13 mm
body height	5.08 mm
Body length or diameter	9.27 mm
Nozzle length	0.162 inch
Casing type	UNTHREADED
Center contact plating	GOLD
Contact (AC) maximum rated R load	.02A@20VAC
Maximum contact current (AC)	0.02 A
Maximum contact current (DC)	0.02 A
Contact (DC) maximum rated power R load	0.4VA@20VDC
Contact (DC) maximum rated R load	.02A@20VDC
Contact function	OFF-(ON)
Contact resistance	0.02 mΩ
contact time	MAKE-BEFORE-BREAK
Maximum contact voltage (AC)	20 V
Maximum contact voltage (DC)	20 V
Dielectric withstand voltage	1000VAC V
Electrical life	80000 Cycle(s)
End contact material	COPPER ALLOY
End contact plating	GOLD
Shell material	BRASS
Insulation resistance	1000000000 Ω
insulator material	THERMOPLASTIC
JESD-609 code	e4
Manufacturer's serial number	38BT
Installation features	THROUGH HOLE-RIGHT ANGLE
Maximum operating temperature	85 °C
Minimum operating temperature	-30 °C
PCB hole count	4
Solderability	MIL-STD
surface mount	NO
Switch action	MOMENTARY
switch function	SPST
Switch type	PUSHBUTTON SWITCH
Terminal surface	GOLD
Terminal length	0.13 inch
Terminal material	COPPER ALLOY
Termination type	SOLDER
Base Number Matches	1

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Butt Contact Pushbutton Switches

SerieS 38Bt and 38BH

Sub-Miniature Horizontal PC Mount

FeatureS

• Drop-In Replacement for Industry Standard

• Sealed Plunger Option

• Printed Circuit Board Mount

• SPST and SPDT, Momentary Contact

diMenSiOnS

in inches (and millimeters)

38Bt

.249

(6,32)

.125

(3,18)

.215

(5,46)

.162

(4,11)

.025

(0,64) .130

(3,30)

.100 (2,54)

DIA.

.030

(0,76)

TYP.

.200

(5,08)

.125

(3,18)

.180 (4,57) .165 (4,19)

DIA.

.015 (0,38) TYP.

.200

(5,08)

.200

(5,08)

.030 (0,76) TYP.

.200 (5,08)

.020

(0,51)

TYP.

.200

(5,08)

.320 (8,13)

PC Mounting

.043 (1,09)

DIA. TYP.

Pushbutton Switches

SPSt

38BH

DIM. "A"

.162

(4.11)

.025

(0.64)

.130

(3.30)

.320

(8.13)

.200

(5.08)

.043 (1.09)

DIA. TYP.

PC Mounting

.100

(2.54)

TYP.

.249

(6.32)

.030

(0.76)

TYP.

.200

(5.08)

.180

.125

.100

(4.57) (3.18)

(2.54)

DIA.

.165

(4.19)

.015

(0.38)

TYP.

SPdt

.030

(0.76)

TYP.

.200

(5.08)

.020

(0.51)

TYP.

TERMINAL

IDENT-

IFICATION

.200

(5.08)

.200

(5.08)

SPeCiFiCatiOnS

rating Criteria

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 maximum

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

insulation resistance:

1000 megaohms

min.

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

Switch Support: Brass, tin-plated

CirCuitry

OrderinG inFOrMatiOn

38BX-4-H-3-n

Series: 38BT = SPST, Momentary, Thru Hole

Series: 38BH = SPDT, Momentary, Thru Hole

dimension a: 0 = 0.020" 4 = 0.215"

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: H = Horizontal to PCB

SPSt–n.O.

SPSt n.O.

COMM

TERM. 2

N.C.

TERM. 1

N.O.

TERM. 3

SPdt–n.O.

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

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

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