78HF04GW [GRAYHILL]
Slide Dip Switch, 4 Switches, DPST, On-off, Latched, 0.15A, 30VDC, Solder Terminal, Surface Mount-straight;
| 型号： | 78HF04GW |
| 厂家： | 
GRAYHILL, INC |
| 描述： | Slide Dip Switch, 4 Switches, DPST, On-off, Latched, 0.15A, 30VDC, Solder Terminal, Surface Mount-straight 开关 |
| 文件： | 总1页 (文件大小：50K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Surface Mount DIP Switches
SERIES 78H
SPDT and DPST
FEATURES
• Compatible with SMT Assembly
Including Infrared Reflow and
Vapor-Phase
• Reliable Spring and Ball Contact
DIMENSIONS In inches (and millimeters)
SPDT, DPST, Top Actuated, Slide Operated
RecommendedPCPadDimensions
LENGTH ± .010 (0,25)
SEE ORDER INFO
.380 ± .010
(9,65 ± 0,25)
.023
.055 ± .010
(1,40 ± 0,25)
(5,84)
REF.
.530
(13,46)
TYP.
.280 (7,11)
TYP.
.268 ± .010
(6,81 ± 0,25)
.025 (0,64) R.
.303 ± .015
(7,70 ± 0,38)
.100 ± .005
(2,54 ± 0,13) TYP.
.295 + .000 – .020
(7,49 – 0,51)
.070 (1,78) TYP.
.100 (2,54) TYP.
C
.012 ± .001
(0,30 ± 0,03)
TYP.
C
L
L
.424 ± .015
(10,77 ± 0,38) TYP.
C
C
L
L
CIRCUITRY
Materials and Finishes
Shorting Member: Brass, gold-plated
over nickel barrier.
SPDT 2 Circuits (no common)
DPST
1
1
1
1
ON
ON
Base Contacts: Copper alloy, gold-plated
over nickel barrier.
Dot indicates
active circuit.
Terminals: Copper alloy, solder-plated over
nickel barrier.
OFF
ON
Non-Conductive Parts: Cover is natural color
thermoplastic,actuatorsarewhitethermoplastic
(UL94V-O)
SPECIFICATIONS
Electrical Ratings
Make-and-break Current Rating: 10,000
operations per switch position at 1 mA, 5 Vdc;
50 mA, 30 Vdc; or 150 mA, 30 Vdc
Contact Resistance: Initial: 30 mohms max.
After Life: 100 mohms max. (10 mA at 50 Vdc,
open circuit)
Terminal Strength: Per specification
ThermalAging:1,000hoursat85°C;nofailures
Thermal Shock: Per specification; no failures;
passes contact resistance
TAPE AND REEL PACKAGING
Meets requirements of EIA 481-2 or
EIA 481-3
Environmental Ratings
Insulation Resistance: Minimum, at 100 Vdc
betweenadjacentclosedcontactsandalsoacross
openswitchcontacts.Initial:2,000Mohms;After
Life: 1,000 Mohms
Dielectric Strength: Minimum voltage (AC,
RMS) measured between adjacent closed
contactsandalsoacrossopenswitchcontacts.
Initial: 750 volts; After Life: 500 volts
CurrentCarryRating:4amps,maximumriseof
20°C
Meets all requirements of MIL- S-83504. Where
Grayhillperformanceissuperior,theMILspecis
listed in parentheses.
OperatingTemperatureRange:-40°Cto+85°C
Storage Temperature Range: -55°C to + 85°C
MoistureResistance:Perspecification,Method
106
13 INCH
DIAMETER REEL
CONDUCTIVE
PLASTIC EMBOSSED
TAPE
Soldering Information
DIRECTION
OF FEED
Solderability:PerMIL-STD-202, Method208
SolderingHeatResistance:PerMIL-S-83504,
six second test
Recommended Processing Temperature:
220°C–230°C(1pass—260°Cmaximum)
ProcessingPosition:Switchistobeprocessed
with all actuators in the closed (on) position as
shipped.
Switch Capacitance: 2 pF at 1megahertz
16 & 24mm
16mm
TAPE
Mechanical Ratings
Mechanical Life: 20,000 operations per switch
position
Vibration Resistance: Per method 204, Test
Condition B. 1 mS opening (10 mS allowed)
Mechanical Shock: Per Method 213, Test
Condition A. 1 mS opening (10 mS allowed)
1
1
1
1
2
3
4
1
2
3
4
1
2
3
4
16mm
32 & 44mm
TAPE
ORDERING INFORMATION: Tube Packaging
PIN ONE LOCATION
COVER TAPE
No. of
Length
Length
Carrier Width
Dim. A
Part Number*
Positions
(inches)
(metric)
SPDT
DPST
DIM. A (SEE ORDER INFO.)
1
2
3
4
5
0.280"
0.480"
0.680"
0.880"
1.080"
7,1 mm
12,2 mm
17,3 mm
22,4 mm
27,4 mm
24 mm
24 mm
32 mm
44 mm
44 mm
78HJ01GW
78HJ02GW
78HJ03GW
78HJ04GW
78HJ05GW
78HF01GW
78HF02GW
78HF03GW
78HF04GW
78HF05GW
Each reel has a 15.750 inch (390 mm)
minimum leader and a 6.30 inch (160 mm)
minimumtrailer.
* Add "R" to the Grayhill part number for tape and reel packaging (500 switches/reel).
Available from your local Grayhill Distributor. For prices and discounts, contact a local Sales
Office, an authorized local Distributor or Grayhill.
B-7
Grayhill, Inc. • 5 6 1 Hillgrove Avenue • LaGrange, Illinois 6 0 5 2 5 -5 9 9 7 • USA • Phone: 7 0 8 -3 5 4 -1 0 4 0 • Fax: 7 0 8 -3 5 4 -2 8 2 0 • www.grayhill.com
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