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參數(shù)資料
| 型號(hào)： | MD25M4B000-14 |
| 廠商： | POSITRONIC INDUSTRIES INC |
| 元件分類： | D-微型連接器 |
| 英文描述： | 25 CONTACT(S), MALE, D SUBMINIATURE CONNECTOR, SOLDER |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大?。?/td> | 468K |
| 代理商： | MD25M4B000-14 |
MATERIALS AND FINISHES:
Insulator:
Nylon resin, UL 94V-0, black color.
Contacts:
Precision machined copper alloy.
Contact Plating:
Professional performance Gold flash over
nickel plate. Other finishes available upon
request.
Shells:
Steel or brass with tin plate; zinc plate with
chromate seal, stainless steel passivated.
Other materials and finishes available upon
request.
Mounting Spacers
and Brackets:
Nylon; copper alloy or steel with zinc plate and
chromate seal or tin plate; phosphor bronze
with tin plate; stainless steel, passivated.
Push-On Fasteners:
Phosphor bronze or beryllium copper with tin
plate.
Jackscrew Systems:
Brass or steel with zinc plate and chromate
seal or clear zinc plate or tin plate; stainless
steel, passivated..
Vibration Lock Systems:
Slide lock and lock tabs, steel with nickel
plate.
Hoods:
Composite and plastic, UL 94V-0; brass or
steel with zinc plate and chromate seal; alu-
minum or aluminum with electroless nickel
plate; die cast zinc.
Non-magnetic versions are available, contact Technical Sales.
MECHANICAL CHARACTERISTICS:
Fixed Contacts:
Size 20 contact, male - 0.040 inch [1.02mm]
mating diameter. Female contact - rugged
open entry design.
Contact Retention
In Insulator:
6 lbs. [27N]
Resistance To Solder
500°F [260°C] for 10 seconds duration per
Iron Heat:
IEC 60512-6.
MELO-D SERIES TECHNICAL CHARACTERISTICS
5
DIMENSIONS ARE IN INCHES [MILLIMETERS].
ALL DIMENSIONS ARE SUBJECT TO CHANGE.
MD
SERIES
D-Sub
Positronic Industries
connectpositronic.com
PROFESSIONAL QUALITY
FIXED CONTACT
STANDARD DENSITY D-SUBMINIATURE
MD
SERIES
Size 20 Contacts, Fixed
IEC Publication 60807-2
Performance Level Two
U.L. Recognized
CSA Recognized
File #E49351
File #LR54219
Telecommunication
U.L. File #14098
Melo-D series connectors are professional quality connectors
recommended for use in sheltered, non-corrosive indoor or out-
door environments having normal ventilation, but without temper-
ature or humidity controls. These fixed contact connectors meet
the dimensional and performance requirements of IEC 60807-2,
Performance Level Two.
Melo-D series connectors utilize precision machined contacts
which are fixed within the connector body. The female contact is
an open entry design contact, precision machined of high tensile
phosphor bronze.
Six standard connector variants are offered in arrangements of 9,
15, 25, 29, 37 and 50 contacts. Each Melo-D connector variant is
available with contact terminations for solder cup, wrap post, and
straight and right angle (90°) printed board mount terminations featur-
ing a choice of three printed board footprints. Melo-D series connec-
tors are mateable and compatible with all D-subminiature connectors
conforming to IEC 60807-2, IEC 60807-3 and MIL-DTL-24308.
A wide assortment of printed board mounting hardware, cable
support hoods and locking systems is available from stock.
Contact
Solder cup contacts - 0.042 inch [1.06mm]
Terminations:
minimum
hole
diameter
for
20
AWG
[0.5mm2] wire maximum.
Straight Printed Board Mount - 0.028 inch
[0.71mm] termination diameter.
Right Angle (90°) Printed Board Mount -
0.028 inch [0.71mm] termination diameter
for all printed board footprints.
Wrap Post - 0.025 inch [0.64mm] square.
Shells:
Male shells may be dimpled for EMI/ESD
ground paths.
Polarization:
Trapezoidally shaped shells and polarized
jackscrews.
Mounting To Angle Brackets: Jackscrews and riveted fasteners with a
0.120 inch [3.05mm] clearance hole, and
threaded riveted fasteners with 4-40 threads
and nylon lock inserts.
Mounting To Printed Board: Rapid installation push-on fasteners and
threaded posts.
Locking Systems:
Jackscrews and vibration locking systems.
Mechanical Operations:
500 operations minimum per IEC 60512-5.
ELECTRICAL CHARACTERISTICS:
Contact Current Rating:
7.5 amperes nominal.
Initial Contact
Resistance:
0.008 ohms maximum.
Insulator Resistance:
5 G ohms.
Proof Voltage:
1000 V r.m.s.
Clearance and Creepage
Distance [minimum]:
0.039 inch [1.0mm].
Working Voltage:
300 V r.m.s.
CLIMATIC CHARACTERISTICS:
Temperature Range:
-55°C to +125°C.
Damp Heat, Steady
State:
10 days.
MD series connectors can be supplied with interfacial seals and sealed
between shell and insulator. This provides an additional
degree of moisture resistance. See Accessories catalog for details.
P
O
S
IT
R
O
N I C I N D U
S
T
R
IE
S
p
er
EU
Dire
ctive 2002
/9
5/
EC
RoHS
Compliant
For RoHS options
see page 10.
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