FEATURES
MJTP SERIES - 12 MM
SQUARE TACT SWITCHES
SPST momentary action.
Excellent tactile feed-back (Snap dome).
Long operating life for high reliability.
Molded-in terminals minimize wicking
of flux or solder.
Flush, round, keyed or square actuator.
Thru-hole mounting.
MATERIALS
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE.
MJTP1212
MJTP1212A
MJTP1212B
MJTP1212C
PBT, color black.
P.O.M. thermoplastic, color
black.
Cover:
Stainless steel.
Terminals:
Silver plated brass.
Shorting Contact: Silver plated phosphor
bronze.
Case:
Actuator:
GENERAL SPECIFICATIONS
ELECTRICALS
Contact rating:
Insulation resistance:
Dielectric withstanding voltage:
Contact resistance:
Electrical Life:
Contact bounce:
Plunger travel:
Actuation force:
Operating temperature range:
Storage temperature range:
Shock resistance:
Vibration resistance:
SOLDERING
Wave soldering:
Hand soldering:
Solvent washing:
US # MJTP1212
Flush actuator
EU # PHAP3320
50 mA @ 12 VDC
100 megohms min. (500 VDC)
250 VAC for 1 minute
100 milliohms max.
100,000 cycles min. (1,000,000 cycles available - consult factory)
less than 5 msec.
.012" ± .006" (0.30 ±0.15 mm)
160 grams ±50 grams (.35 lbs.)
-20°C to +70°C
-30°C to +80°C for 96 hours
30G (peak value) for 11 millisec. per Method 213B, MIL-STD-202F
(3 times each on 6 sides).
10-55-10 Hz. for 1 minute in X, Y and Z planes per Method 201A,
MIL-STD-202F (2 hours in each direction).
260°C max. for 5 seconds max..
30 watt iron max. controlled at 320°C for approx. 2 seconds
Non-washable.
US # MJTP1212A
Round actuator
EU # PHAP3320A
M
MECHANICALS, THERMALS, ENVIRONMENTALS
APEM
, 63 NECK ROAD, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (978) 372-3534 E-mail: info@apem.com
M1
US # MJTP1212B EU # PHAP3320B
Round keyed actuator
US # MJTP1212C
Square actuator
EU # PHAP3321
Caps available - see below
SCHEMATIC
PRINTED CIRCUIT
BOARD LAYOUT
Layout Tolerances;
Linear: ± .004" ( ± 0,1mm)
Holes: ± .002" ( ± 0,05mm)
CAPS
(for MJTP1212C only)
US # MJ121
Square cap
EU # U5540
US # MJ122
Round cap
EU # U5550
M
Note - add digit from table to
cap part numbers above for
color.
Example -
MJ1212
indicates
square black cap.
No.
1
2
3
5
6
7
Color
blue
black
green
yellow
red
ivory
M2
APEM
, 63 NECK ROAD, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (978) 372-3534 E-mail: info@apem.com
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE.