NUMBER
TYPE
BUS-12-087
TITLE
PRODUCT SPECIFICATION
PAGE
REVISION
Ribcage™ II Printed Wiring Board Connector System
1 of 21
AUTHORIZED BY
DATE
M
27 Feb 07
C. Martinez
CLASSIFICATION
UNRESTRICTED
1.0
GENERAL
This specification covers gold plated Rib CageTM II Printed Wiring Board Connectors designed for parallel
(vertical) interconnection of printed wiring boards in low power applications as well as Lead Free product that
meets the requirement of the European Union Directives of Restriction for Hazardous Substances (Directive
2002/95/EC).
The receptacle assemblies (Figure 1) are designed for mating with shrouded headers (Figure 2) having
double rows of .018 inch formed pins on .050 inch centers. This specification is composed of the following
sections:
Paragraph
1.0
2.0
3.0
3.1
3.2
3.3
3.4
3.5
3.6
3.7
4.0
4.1
4.2
4.3
4.4
Title
GENERAL
APPLICABLE DICUMENTS
REQUIREMENTS
Qualification
Materials-Receptacle Assemblies
Materials-Shrouded Headers
Design and Construction
Electrical Characteristics
Mechanical Characteristics
Environmental Conditions
PRODUCT QUALIFICATION PROVISIONS
Equipment Calibration
Inspection Conditions
Qualification Inspection
Requalification Testing
Page
1
1
2
2
2
3
3
3
9
11
15
15
15
15
15
2.0
APPLICABLE DOCUMENTS
The following documents, of the issue in effect on the date of the latest revision of this specification, shall
form a part of this specification to the extent specified herein.
SPECIFICATIONS
Federal
QQ-S-571 Solder:
QQ-N-290
Military
MIL-F-14256
MIL-M-24519
MIL-G-45204
MIL-C-45662
MIL-F-55110
Flux, Soldering, Liquid (Rosin Base), Activated
Molding Plastics, Polyester, Thermoplastic
Gold Plating, Electrodeposited
Calibration System Requirement
Printed Wiring Boards
Lead Alloy, Tin-lead Alloy, and Tin Alloy; Flux cored Ribbon
and Wire, Solid Form
Nickel Plating, Electrodeposited
Copyright FCI
Form E-3334
Rev F
GS-01-001
PDM: Rev:M
STATUS:
Released
Printed: Nov 28, 2010
.
NUMBER
TYPE
BUS-12-087
TITLE
PRODUCT SPECIFICATION
PAGE
REVISION
Ribcage™ II Printed Wiring Board Connector System
2 of 21
AUTHORIZED BY
DATE
M
27 Feb 07
C. Martinez
CLASSIFICATION
UNRESTRICTED
STANDARDS
Military
MIL-STD-202
MIL-STD-275
MIL-STD-1344
Test Methods for Electronic and Electrical Component Parts
Printing Wiring for Electronic Equipment
Test Methods for Electrical Connectors
INDUSTRY SPECIFICATIONS/STANDARDS
ASTM B-194
UL-94
3.0
REQUIREMENTS
3.1
Qualification
Connectors (Figure 1) and headers (Figure 2) furnished under this specification shall be products
capable of meeting the qualification test requirements specified herein. New products of the same
type shall be considered qualified by similarity pending actual testing.
3.2
Connector Materials
The material for each part shall be as specified herein, or equivalent. Substitute material shall meet
the performance requirements of this specification.
3.2.1 Contact - The contact shall be full hard (HM) Beryllium
Copper.
3.2.2 Insulator Housing - All housing material shall be rated
flame retardant 94 V0 in accordance with UL-94. The housing shall be glass filled
thermoplastic in accordance with MIL-M-24519.
3.2.3 Contact Finish - The contact shall be plated in the contact
area with 30 microinches (minimum) gold per MIL-G-45204, Type II, Grade C, over
nickel, per QQ-N-290, Class 2. In the soldering area the contact shall be tin/lead
plated 100 microinches min. over Nickel or pure tin plated 100 microinches min. over
Nickel.
Copper-Beryllium alloy Plate, Sheet, Strip, and Rolled Bar
Tests for Flammability of Plastic Materials
Copyright FCI
Form E-3334
Rev F
GS-01-001
PDM: Rev:M
STATUS:
Released
Printed: Nov 28, 2010
.
NUMBER
TYPE
BUS-12-087
TITLE
PRODUCT SPECIFICATION
PAGE
REVISION
Ribcage™ II Printed Wiring Board Connector System
3 of 21
AUTHORIZED BY
DATE
M
27 Feb 07
C. Martinez
CLASSIFICATION
UNRESTRICTED
3.3
Header Materials
3.3.1 Pin - The pin shall be 1/2 hard phosphor bronze.
3.3.2 Insulator Housing - All housing material shall be rated
flame retardant 94 V0 in accordance with UL-94. The housing shall be glass filled
thermoplastic, minimum heat deflection temperature 500 degrees F @ 264 PSI in
accordance with MIL-M-24519.
3.3.3 Pin Finish - The pin shall be plated with 30 microinches
(minimum) gold per MIL-G-45204, Type II Grade C over 50 microinches (minimum)
nickel per QQ-N-290 Class 2 in the contact area. In the soldering area the pin shall be
tin/lead plated 100 microinches min. over Nickel or pure tin plated 100 microinches
min. over Nickel.
3.4
Design and Construction
The connector shall be a multi-piece assembly having two rows of contacts with solder tail
terminations for installation in .023 inch diameter holes in a 1/16 inch thick printed wiring board. The
female end of the contact shall interface with 0.018 inch formed pins on .050 inch centers, as
appropriate.
3.4.1 Mating - The connector shall be capable of mating with a
maximum of 5.5 oz and minimum of 1.5 oz per position.
3.4.2 Workmanship - Connectors shall be uniform in quality and
shall be free from defects that will adversely affect life or serviceability.
3.4.3 Interchangeability - Connectors shall be capable of mating
with any FCI approved .050 inch center header.
3.5
Electrical Characteristics
3.5.1 Current Rating - The temperature rise above ambient shall
not exceed 30oC at any point in the system when all contacts are powered at 1.0
ampere or when one contact is powered at 2.5 amperes. The following details shall
apply:
a. Ambient Conditions - Still air at 25oC.
b. Reference - BUS-03-601
Copyright FCI
Form E-3334
Rev F
GS-01-001
PDM: Rev:M
STATUS:
Released
Printed: Nov 28, 2010
.
NUMBER
TYPE
BUS-12-087
TITLE
PRODUCT SPECIFICATION
PAGE
REVISION
Ribcage™ II Printed Wiring Board Connector System
4 of 21
AUTHORIZED BY
DATE
M
27 Feb 07
C. Martinez
CLASSIFICATION
UNRESTRICTED
Copyright FCI
Form E-3334
Rev F
GS-01-001
PDM: Rev:M
STATUS:
Released
Printed: Nov 28, 2010
.
NUMBER
TYPE
BUS-12-087
TITLE
PRODUCT SPECIFICATION
PAGE
REVISION
Ribcage™ II Printed Wiring Board Connector System
5 of 21
AUTHORIZED BY
DATE
M
27 Feb 07
C. Martinez
CLASSIFICATION
UNRESTRICTED
FIGURE 2 - RIB CAGETM MATING HEADER (P/N 87405)
Copyright FCI
Form E-3334
Rev F
GS-01-001
PDM: Rev:M
STATUS:
Released
Printed: Nov 28, 2010
.
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