78HJ01GWT Datasheet, PDF (1/1 Pages) Grayhill, Inc – Compatible with SMT Assembly Including Infrared Reflow and Vapor-Phase

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
.023
.055 ± .010 (5,84)
(1,40 ± 0,25) REF.
.380 ± .010
(9,65 ± 0,25)
.025 (0,64) R.
.268 ± .010
(6,81 ± 0,25)
LENGTH ± .010 (0,25)
See OrDer iNFO
Recommended PC Pad Dimensions
.530
(13,46)
TyP.
.280 (7,11)
TyP.
.012 ± .001
(0,30 ± 0,03)
TyP.
.303 ± .015
(7,70 ± 0,38)
.424 ± .015
(10,77 ± 0,38) TyP.
.100 ± .005
CL CL (2,54 ± 0,13) TyP.
.295 + .000 – .020
(7,49 – 0,51)
.070 (1,78) TyP.
.100 (2,54) TyP.
CL CL
Circuitry
SPDT 2 Circuits (no common)
DPST
1
1
ON ¹
ON ¹
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 contacts
and also across open switch contacts. Initial:
750 volts; After Life: 500 volts
Current Carry Rating: 4 amps, maximum rise
of 20°C
Switch Capacitance: 2 pF at 1megahertz
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)
Terminal Strength: Per specification
Thermal Aging: 1,000 hours at 85°C; no
failures
Thermal Shock: Per specification; no failures;
passes contact resistance
Environmental Ratings
Meets all requirements of MIL- S-83504**. Where
Grayhill performance is superior, the MIL spec is
listed in parentheses.
Operating Temperature Range: -40°C to +
85°C
Storage Temperature Range: -55°C to + 85°C
Moisture Resistance: Per MIL-STD-202, Method
106
Soldering Information
Solderability: Per MIL-STD-202, Method 208
Soldering Heat Resistance: Per MIL-S-83504,
six second test
Recommended Processing Temperature:
220°C–230°C (1 pass—260°C maximum)
Processing Position: Switch is to be processed
Ordering Information: Tube Packaging
with all actuators in the closed (on) position as
shipped.
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.
Non-Conductive Parts: Cover is natural color
thermoplastic, actuators are white thermoplastic
(UL94V-O)
Tape and Reel Packaging
Meets requirements of EIA 481-2 or
EIA 481-3
13 INCH
DIAMETER REEL
CONDUCTIVE
PLASTIC EMBOSSED
TAPe
DIRECTION
OF FeeD
16mm
16 & 24mm
TAPe
1
1
1
1
1
1
2
2
2
3
3
3
4
4
4
No. of
Positions
1
2
3
4
5
Length
(inches)
0.280"
0.480"
0.680"
0.880"
1.080"
Length
(metric)
7,1 mm
12,2 mm
17,3 mm
22,4 mm
27,4 mm
Carrier Width
Dim. A
24 mm
24 mm
32 mm
44 mm
44 mm
Part Number*
SPDT
DPST
78HJ01GWT
78HJ02GWT
78HJ03GWT
78HJ04GWT
78HJ05GWT
78HF01GWT
78HF02GWT
78HF03GWT
78HF04GWT
78HF05GWT
* Insert "R" before the "T" in the Grayhill part number for tape and reel packaging (500 switches/
reel).
** Note: 100% matte tin terminal plating does not meet MIL-S-83504 for lead content.
16mm
PIN ONE LOCATION
32 & 44mm
TAPe
COVER TAPE
DIM. A (SEE ORDER INFO.)
Each reel has a 15.750 inch (390 mm)
minimum leader and a 6.30 inch (160 mm)
minimum trailer.
Available from your local Grayhill Distributor.For prices and discounts, contact a local Sales Office, an authorized local Distributor or Grayhill.
DIP
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: [phone] • Fax: [phone] • www.grayhill.com
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