A21
Catalog 1308390 Dimensions are in inches Dimensions are shown for USA: 1-800-522-6752 South America: 55-11-3611-1514
Issued 9-04 and millimeters unless otherwise reference purposes only. Canada: 1-905-470-4425 Hong Kong: 852-2735-1628
specified. Values in parentheses
Specifications subject
Mexico: 01-800-733-8926 Japan: 81-44-844-8013
www.tycoelectronics.com or brackets are metric equivalents. to change. C. America: 52-55-5-729-0425 UK: 44-141-810-8967
A
MRD Series
FEATURES:
• 40% PCB area space savings over standard rotary dips
• 50% Lower in profile than standard rotary dips
• Hexadecimal or binary code, complement available
• Deflection temperature of 250ºC for SMT reflow soldering
• Gold contacts, tin/lead terminals
• Sealed “O” ring design
MATERIAL SPECIFICATIONS:
Fixed Contacts/Terminals........Brass, gold plated / tin/lead
Moving Contacts......................BeCu, gold plated
Case Material ..........................PPS UL94V-0
Rotor ........................................Nylon UL94V-O
Cover Material ........................PPS UL94V-0
O-Ring ....................................Fluoro Rubber
ENVIRONMENTAL SPECIFICATIONS:
Operating Temperature............-10°C to +85°C
Storage Temperature................-45°C to +100°C
Solder Heat Resistance ............MIL-STD 202F, Method 210
IR Process Capability ..............EIA-364-56 Level II (250°C peak)
TYPICAL PERFORMANCE CHARACTERISTICS:
Contact Rating ........................0.4 VA Max. @ 20 VDC
Initial Contact Resistance........50m Max. @ 2 VDC 10mA
Insulation Resistance ..............1,000 Megohms max.
Dielectric Strength ..................300 VAC for 1 minute
Actuator Travel........................36° 10 Position, 22.5° 16 position
Operating Force ......................200 Grams avg.
Life Expectancy ......................20,000 Steps, mechanical
MRD10S
MRD16S
MRD10
MRD16C
36°
10X
.024/(0.60) X 45°
CHAMFER
.276
(7.01)
.276 ± .012
(7.01 ± 0.30)
SEE DETAIL “A”
.118
(2.99)
.010
(0.25)
.299
(7.59)
SURFACE MOUNT
.024/(0.60) X 45°
CHAMFER
SEE DETAIL “A”
.020
(0.50)
.276
(7.01)
.276
(7.01)
22.5°
16X
.130
(3.30)
.118
(3.00)
.030
(0.76)
.354
(8.99)
SEE DETAIL “B”
.102
(2.59)
.071
(1.80)
.031
(0.78)
DETAIL “A”
SCALE 8:1
.130
(3.30)
.126
(3.20)
.020
(0.50)
.047
(1.19)
DETAIL “B”
SCALE 8:1
.010
(0.25)
.003
(0.07)
0° - 10°
P.C. MOUNT
Rotary DIP Switches, Low Profile, Process Sealed, 7MM, Through Hole
and Surface Mount
MRD Shunts
