78HJ05GWT [GRAYHILL]
Surface Mount DIP Switches; 表面贴装DIP开关
| 型号： | 78HJ05GWT |
| 厂家： | 
GRAYHILL, INC |
| 描述： | Surface Mount DIP Switches |
| 文件： | 总1页 (文件大小：210K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Surface Mount DIP Switches
FEATURES
• Compatible with SMT Assembly
SERIES 78H
SPDT and DPST
Including Infrared Reflow and
Vapor-Phase
• Reliable Spring and Ball Contact
DIMENSIONS In inches (and millimeters)
SPDT, DPST, Top Actuated, Slide Operated
Recommended PC Pad Dimensions
LENGTH .010 (0,25)
SEE ORDER INFO
.380 .010
(9,65 0,25)
.023
(5,84)
REF.
.055 .010
(1,40 0,25)
.530
(13,46)
TꢀP.
.280 (7,11)
TꢀP.
.268 .010
(6,81 0,25)
.025 (0,64) R.
.303 .015
(7,70 0,38)
.424 .015
(10,77 0,38) TꢀP.
.100 .005
(2,54 0,13) TꢀP.
.295 + .000 – .020
(7,49 – 0,51)
.070 (1,78) TꢀP.
C
.012 .001
(0,30 0,03)
TꢀP.
C
.100 (2,54) TꢀP.
L
L
C
C
L
L
CIRCUITRY
SPDT 2 Circuits (no common)
DPST
Materials and Finishes
Shorting Member: Brass, gold-plated
over nickel barrier.
Base Contacts: Copper alloy, gold-plated
over nickel barrier.
Terminals: Copper alloy, matte tin-plated over
nickel barrier.
1
1
1
1
ON
ON
Dot indicates
active circuit.
OFF
ON
SPECIFICATIONS
Electrical Ratings
Make-and-break Current Rating: 2,000
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)
Insulation Resistance: Minimum, at 100 Vdc
between adjacent closed contacts and also
across open switch contacts. Initial: 2,000
Mohms; After Life: 1,000 Mohms
Dielectric Strength: Minimum voltage (AC,
RMS) measured between adjacent closed
contactsandalsoacrossopenswitchcontacts.
Initial: 750 volts; After Life: 500 volts
Current Carry Rating: 4 amps, maximum rise
of 20°C
Non-Conductive Parts: Cover is natural color
thermoplastic, actuatorsarewhitethermoplastic
(UL94V-O)
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
Meets all requirements of MIL- S-83504. Where
Grayhill performance is superior, the MIL spec is
listed in parentheses.
13 INCH
DIAMETER REEL
Operating Temperature Range: -40°C to +
85°C
Storage Temperature Range: -55°C to + 85°C
Moisture Resistance: Per MIL-STD-202,
Method 106
CONDUCTIVE
PLASTIC EMBOSSED
TAPE
DIRECTION
OF FEED
Soldering Information
Switch Capacitance: 2 pF at 1megahertz
16 & 24mm
Solderability: Per MIL-STD-202, Method 208
SolderingHeatResistance:PerMIL-S-83504,
six second test
16mm
TAPE
Mechanical Ratings
Mechanical Life: 2,000 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
Recommended Processing Temperature:
220°C–230°C (1 pass—260°C maximum)
ProcessingPosition:Switchistobeprocessed
with all actuators in the closed (on) position as
shipped.
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
(metric)
Carrier Width
Dim. A
Part Number*
Positions
(inches)
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
78HJ01GWT
78HJ02GWT
78HJ03GWT
78HJ04GWT
78HJ05GWT
78HF01GWT
78HF02GWT
78HF03GWT
78HF04GWT
78HF05GWT
Each reel has a 15.750 inch (390 mm)
minimum leader and a 6.30 inch (160 mm)
minimum trailer.
* Insert "R" before the "T" in 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.
DIP
7
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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