38BT4H2N datasheet, PDF - EEWORLD Datasheet

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38BT4H2N: DescriptionPushbutton Switch, SPST, Off-(on), Momentary, 1A, 28VDC, 4 PCB Hole Cnt, Solder Terminal, Through Hole-right Angle,; CategoryMechanical and electronic products switch; File Size63KB，1 Pages; ManufacturerGrayhill; Websitehttp://www.grayhill.com

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38BT4H2N Overview

Pushbutton Switch, SPST, Off-(on), Momentary, 1A, 28VDC, 4 PCB Hole Cnt, Solder Terminal, Through Hole-right Angle,

38BT4H2N Parametric

Parameter Name	Attribute value
Is it lead-free?	Contains lead
Is it Rohs certified?	incompatible
Maker	Grayhill
Reach Compliance Code	compliant
ECCN code	EAR99
Actuator angle
Actuator length	0.215 inch
Actuator material	THERMOPLASTIC
Actuator type	PLUNGER
Other features	W/O PLUNGER 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	SILVER
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
Contact function	OFF-(ON)
Contact resistance	0.02 mΩ
contact time	MAKE-BEFORE-BREAK
Maximum contact voltage (AC)	120 V
Maximum contact voltage (DC)	28 V
Dielectric withstand voltage	1000VAC V
Electrical life	80000 Cycle(s)
End contact material	COPPER ALLOY
End contact plating	SILVER
Shell material	BRASS
Insulation resistance	1000000000 Ω
insulator material	THERMOPLASTIC
JESD-609 code	e0
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	Tin/Lead (Sn/Pb)
Terminal length	0.13 inch
Terminal material	COPPER ALLOY
Termination type	SOLDER

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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

38BT

In inches (and millimeters)

C

L

.125

(3,18)

.215

(5,46)

.162

(4,11)

.025

(0,64) .130

(3,30)

.100 (2,54)

DIA.

.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.

.249

(6,32)

C

L

Pushbutton Switches

.030

(0,76)

TYP.

.200

(5,08)

SPST

38BH

C

L

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)

C

L

1

2

3

.030

(0.76)

TYP.

.200

(5.08)

.180

.125

.100

(4.57) (3.18)

(2.54)

DIA.

.165

(4.19)

.015

(0.38)

TYP.

.030

(0.76)

TYP.

.200

(5.08)

.020

(0.51)

TYP.

TERMINAL

IDENT-

IFICATION

.200

(5.08)

.200

(5.08)

SPDT

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

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

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)

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

Series:

38BT = SPST, Momentary, Thru Hole

Series:

38BH = SPDT, Momentary, Thru Hole

Dimension A:

0 = 0.020" 4 = 0.215"

38BX-4-H-3-N

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

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

SPST–N.O.

SPST N.O.

COMM

TERM. 2

N.C.

TERM. 1

N.O.

TERM. 3

SPDT–N.O.

Pushbutton

6

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

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