38BC-4-V-3-S [GRAYHILL]
Actuates at Right Angle to Printed Circuit Board;型号: | 38BC-4-V-3-S |
厂家: | GRAYHILL, INC |
描述: | Actuates at Right Angle to Printed Circuit Board 开关 光电二极管 |
文件: | 总1页 (文件大小:61K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
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 In inches ꢀand millimetersꢁ
.200
ꢀ5,08ꢁ
38BT
Dim.
A
.190 ꢀ4,83ꢁ
DIA.
.200
ꢀ5,08ꢁ
.320
ꢀ8,13ꢁ
.100 ꢀ2,54ꢁ
DIA.
.177
ꢀ4,50ꢁ
.020 ꢀ0,51ꢁ
SQUARE
.180 ꢀ4,57ꢁ
DIA.
SPST
.130 ꢀ3,30ꢁ TYP.
.527 ꢀ13,39ꢁ
38BC
.527ꢀ13,39ꢁ
DIM "A"
.200
ꢀ5,08ꢁ
.320
ꢀ8,13ꢁ
.180
ꢀ4,57ꢁ
DIA.
.177
ꢀ4,50ꢁ
1
.200
.100
ꢀ2,54ꢁ
DIA.
.190
.130
ꢀ3,30ꢁ
TYP.
ꢀ4,83ꢁ
DIA.
.020 ꢀ0,51ꢁ
SQ. TYP.
.100
ꢀ2,54ꢁ
TYP.
SPDT
Unless otherwise indicated, tolerances are .010 ꢀ0,25ꢁ
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
Materials and Finishes
Base and Cover: Thermoplastic ꢀUL 94V-0ꢁ
Plunger: Thermoplastic ꢀUL 94V-0ꢁ, ꢀS
versions include an internal o-ring sealꢁ
Terminals: Copper alloy, gold or silver plate
ꢀas specifiedꢁ over nickel plate
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 agingꢁ
Spring: Plated music wire
Contact System: Copper alloy, gold or silver
plate ꢀas specifiedꢁ over nickel plate
Contact Resistance: Below 20 milliohms
typical initial at 2-4 Vdc, 100 mA, for both
silver and gold-plated contacts
CIRCUITRY
ORDERING INFORMATION
Series: 38BT = SPST, Momentary, Thru-Hole
Series: 38BC = SPDT, Momentary, Thru-Hole
Dimension A: 0 = 0.020" 4 = 0.215"
SPST–N.O.
38BT-4-V-3-S
SPST N.O.
Seal: S = O-Ring Seal, N = No Seal
Contact Material: 1 = Solder Dip over Gold
2 = Solder Dip over Silver
N.C.
TERM. 1
COMM
3 = Gold - RoHS Compliant
TERM. 2
N.O.
4 = Silver - RoHS Compliant
Orientation: V = Vertical to PCB
TERM. 3
SPDT–N.O.
Available from your local Grayhill Distributor. For prices and discounts, contact a local Sales
Office, an authorized local Distributor or Grayhill.
Pushbutton
Grayhill, Inc.
•
561 Hillgrove Avenue
•
LaGrange, Illinois 60525-5997
•
USA
•
Phone: 708-354-1040
•
Fax: 708-354-2820
•
www.grayhill.com
7
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