38BM2-550 datasheet, PDF - EEWORLD Datasheet

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38BM2-550: DescriptionPushbutton Switches Pushbutton Switch, SPST, momentary, .020" plunger, gold contact, o-ring seal, reel; CategoryTopical application Mechanical and electrical/engineering/automation; File Size114KB，2 Pages; ManufacturerGrayhill; Websitehttp://www.grayhill.com

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38BM2-550 Overview

Pushbutton Switches Pushbutton Switch, SPST, momentary, .020" plunger, gold contact, o-ring seal, reel

38BM2-550 Parametric

Parameter Name	Attribute value
Product Category	Pushbutton Switches
Manufacturer	Grayhill
RoHS	Details
Product	Standard Switches
Contact Form	SPST
Switch Function	OFF - (ON)
Current Rating	400 mA
Voltage Rating AC	20 VAC
Voltage Rating DC	20 VDC
Power Rating	0.4 VA
Mounting Style	SMD/SMT
Mounting Type	Sealed
Termination Style	J Form Lead
Actuator	Plunger, Round
Packaging	Reel
Contact Plating	Gold
Flammability Rating	UL 94 V-0
Height	5.08 mm
Housing Material	Thermoplastic
Length	9.25 mm
Life	80000 Cycles
Factory Pack Quantity	550
Width	8.13 mm

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Butt Contact Pushbutton Switches

SerieS 38BM and 38BC

Sub-Miniature Surface Mount

FeatureS

• Surface Mount Process Compatible

• Sealed Construction

• SPST and SPDT, Momentary Contact

• Extended or Flush Plunger

• Drop-In Replacement for Industry Standard

SPeCiFiCatiOnS

diMenSiOnS

in inches (and millimeters)

38BM

Pushbutton Switches

38BC

.162

(4,11)

.024

(0,61)

.320

(8,13)

DIM "A"

.162

(4,11)

.200

(5,08)

.100 (2,54)

DIA.

.180 (4,57)

DIA.

.075

(1,91)

.289

(7,34)

.105 (2,67)

TYP.

.040

(1,02) .143

TYP. (3,63)

TYP.

PC Mounting

.070

(1,78)

.040

.128

(1,02)

(3,25)

TYP.

C

L

.024

(0,61)

.020 (0,51)

TYP.

.200.010

(5,080,25)

.410 (10,41)

MAX.

SPSt

.125

(3,18)

.030

(0,76)

.368 .080

(9,35) (2,03)

.080 (2,03)

TYP.

.150 (3,81)

TYP.

STANDOFF PADS

.070

(1.78)

.143

(6.63)

.200.010

(5,080,25)

.100

(2,54)

90˚

.320

(8.13)

.105

(2,67)

TYP.

.040

(1.02)

.125

(3,18)

.200

(5.08)

1

2

3

TERMINAL ID

.368 .128 (3,25)

(9.35)

.080 (2,03)

.080

(2,03)

.150

(3.81)

"A"

DIM "A"

.075

(1,91)

.030

(0,76)

.289

(7,34)

SPdt

rating Criteria

.410 (10,41)

MAX.

.040

(1.02)

TERMINAL PADS

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:

I.O. Amps 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)

Materials and Finishes

Base and Cover: Thermoplastic (UL 94V-0)

Plunger:

Thermoplastic (UL 94V-0), with

standard internal o-ring seal

terminals: Copper alloy, gold plate 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

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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Is it lead-free?	-	-	Lead free	-	Contains lead	Lead free	-	Lead free	Lead free
Is it Rohs certified?	-	-	conform to	-	incompatible	conform to	-	conform to	conform to
Reach Compliance Code	-	-	compliant	-	compliant	compliant	-	compliant	compliant
ECCN code	-	-	EAR99	-	EAR99	EAR99	-	EAR99	EAR99
Factory Lead Time	-	-	18 weeks	-	21 weeks	18 weeks	-	18 weeks	18 weeks
Actuator type	-	-	PLUNGER	-	PLUNGER	PLUNGER	-	PLUNGER	PLUNGER
body width	-	-	8.13 mm	-	8.13 mm	8.13 mm	-	8.13 mm	8.13 mm
body height	-	-	5.69 mm	-	5.69 mm	5.69 mm	-	5.69 mm	5.69 mm
Body length or diameter	-	-	9.25 mm	-	9.25 mm	9.25 mm	-	9.25 mm	9.25 mm
Contact (AC) maximum rated R load	-	-	1A@120VAC	-	.02A@20VAC	.02A@20VAC	-	1A@120VAC	1A@120VAC
Maximum contact current (AC)	-	-	1 A	-	0.02 A	0.02 A	-	1 A	1 A
Maximum contact current (DC)	-	-	1 A	-	0.02 A	0.02 A	-	1 A	1 A
Contact (DC) maximum rated R load	-	-	1A@28VDC	-	.02A@20VDC	.02A@20VDC	-	1A@28VDC	1A@28VDC
Maximum contact voltage (AC)	-	-	120 V	-	20 V	20 V	-	120 V	120 V
Maximum contact voltage (DC)	-	-	28 V	-	20 V	20 V	-	28 V	28 V
Electrical life	-	-	80000 Cycle(s)	-	80000 Cycle(s)	80000 Cycle(s)	-	80000 Cycle(s)	80000 Cycle(s)
JESD-609 code	-	-	e4	-	e0	e4	-	e4	e4
Installation features	-	-	SURFACE MOUNT-RIGHT ANGLE	-	SURFACE MOUNT-RIGHT ANGLE	SURFACE MOUNT-RIGHT ANGLE	-	SURFACE MOUNT-RIGHT ANGLE	SURFACE MOUNT-RIGHT ANGLE
Maximum operating temperature	-	-	85 °C	-	85 °C	85 °C	-	85 °C	85 °C
Minimum operating temperature	-	-	-30 °C	-	-30 °C	-30 °C	-	-30 °C	-30 °C
method of packing	-	-	TAPE AND REEL	-	TAPE AND REEL	TAPE AND REEL	-	TAPE AND REEL	TAPE AND REEL
surface mount	-	-	NO	-	NO	NO	-	NO	NO
Switch action	-	-	MOMENTARY	-	MOMENTARY	MOMENTARY	-	MOMENTARY	MOMENTARY
switch function	-	-	SPST	-	SPST	SPDT	-	SPDT	SPST
Switch type	-	-	PUSHBUTTON SWITCH	-	PUSHBUTTON SWITCH	PUSHBUTTON SWITCH	-	PUSHBUTTON SWITCH	PUSHBUTTON SWITCH
Terminal surface	-	-	Silver (Ag)	-	Tin/Lead (Sn/Pb)	Gold (Au)	-	Silver (Ag)	Silver (Ag)
Termination type	-	-	SOLDER	-	SOLDER	SOLDER	-	SOLDER	SOLDER
Base Number Matches	-	-	1	-	1	1	-	1	1

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