Dimensions are in millimeters [inches]. All dimensions are subject to change.
Catalog A-004 rev. NC
Positronic believes the data contained herein to be reliable. Since the technical information is given free of charge, the user employs such information at
his own discretion and risk. Positronic assumes no responsibility for results obtained or damages incurred from use of such information in whole or in part.
Positronic Industries,
Inc
www.connectpositronic.com
www.positronicasia.com
1
TECHNICAL INFORMATION
Technical Characteristics
Materials and Finishes
Insulator:
Contacts:
Glass-filled nylon, UL 94V-0.
Precision machined copper
alloy with gold over nickel plate.
Circular Connectors
KING COBRA
Mechanical Characteristics
Polarization:
Removable Contacts:
Provided in insulator design.
Insert contact in rear face of insulator;
release from front face of insulator.
Size 22 Female contacts feature ”Open Entry”
500 cycles design and “Closed Entry”
1000 cycles minimum design options.
Electrical Characteristics
Contact Current Ratings
Size 16 Contacts:
20.0 amperes.
Size 20 Contacts:
7.5 amperes.
Size 22 Contacts:
3.0 amperes.
Initial Contact Resistance per IEC 512-2, Test 2b.
Size 16 Contacts:
0.003 ohms, maximum.
Size 20/22 Contacts:
0.005 ohms, maximum.
Insulator Resistance per IEC 512-2, Test 3a.
Insulator:
5 G ohms, minimum.
Proof Voltage
Size 16 Contacts:
Size 20/22 Contacts:
Working Voltage
Size 16 Contacts:
Size 20/22 Contacts:
Working temperature:
Dust and Water
Ingress Protecton:
1300 V r.m.s.
1000 V r.m.s.
433 V r.m.s.
333 V r.m.s.
-55°C to +125°C
IP65 per IEC 60529 in mated
condition (when jacketed cable
is used). Degree of protection is
dust-tight (no ingress of dust)
and protected against water
projected in jets from any direction.
Fixed Contacts:
Size 16 female contacts feature
”Closed Entry” 1000 cycles minimum design.
(Consult factory for higher cycle options.)
Size 20 female contacts feature
“Open Entry” 500 cycles design.
(Consult factory for “Closed Entry” options.)
Contact Retention in Insulator:
Size 16 Contacts:
45 N [10 lbs.] minimum.
Size 20/22 Contacts:
27 N [6 lbs.] minimum.
Coupling System:
Shock and Vibration:
(Consult factory)
Twist lock.
Pending.
Climatic Characteristics
Recognized
UL certification in process.
Consult factory for TÜV recognition.
Temperature Rise Curve
Tested per IEC 512-3,Test 5a
Temperature Rise Curve and Contact Performance
1000 Cycle Contact Performance
Contact Resistance - During Cycle Testing and Humidity Conditioning.
Contact resistance tested per IEC 512-2, Test 2b.
Contact Resistance (Ohms)
Rated Current (Amps)
Above curves developed separately using (a) KC316
connectors and 16 AWG wires, and (b) KC820
connectors and 20 AWG wires. All contacts under load.
Temperature Rise (°C)
Mating Cycle
Humidity conditioning per EIA-364-31B, Method II (Condition A) after 250,
500 and 1000 mating cycles. Above curves developed separately using
(a) KC316 connectors, and (b) KC820 connectors.
Positronic Industries, Inc
www.connectpositronic.com
www.positronicasia.com
2
Circular Connectors
KING COBRA
CONNECTOR DIMENSIONS AND
PCB HOLE PATTERNS
Outline Dimensions
Male Connector
Female Connector
Male Connector
Typical Part Number:
KC820M200
Specify code M2 in Step 2
Available in versions KC316 and KC820 only
Solder Cup Contacts
Version
KC316
KC820
1.40 mm
[0.055 inch]
1.19 mm
[0.047 inch]
ØD
Female Connector
Typical Part Number:
KC820F200
Specify code F2 in Step 2
PCB Mount Contact Dimensions and PCB Hole Patterns
Straight and Right Angle (90°) PCB Mount Male Connectors
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