PRODUCT SPECIFICATION
Part
Number
Product
Description
Doc
Number
BD 1.27mm Series
D
Rev
1.27mm Board to Board Socket Connectors
BD Series
Prepared
By:
Checked
By:
CC
VJ
Date
26/03/20
Page
1
Approved
By:
PH
1.0 SCOPE
This specifies 1.27mm pitch Socket Connectors. The connector shall meet the performances,
specified here under the condition with the plug connector and the receptacle connector mated. This
specification covers the product standards, requirements, and qualification provisions.
2.0 APPLICABLE DOCUMENTS
At the time of this specifications release, the latest revisions of the following documents were used.
These documents shall form a part of this specification as described within this document.
2.1 Industry Specifications / Standards
UL-94 Flammability
ASTM B-103 Phosphor Bronze, Plate, Rod, Sheet, Strip and Rolled Bar.
2.2 EIA Specifications
EIA-364-D Electrical Connector / Socket Test Procedures Including Environmental Classifications.
3.0 REQUIREMENTS
3.1 Dimensional
Connectors shall meet the physical dimensions specified on the applicable product drawing.
3.2 Material
Each component shall be constructed of the materials specified within this document. Substitute materials
must meet the performance requirements of this specification.
3.2.1 Contacts
Phosphor Bronze or other equivalent copper alloys.
3.2.2 Housings
Nylon 6T or LCP, flame retardant 94V-0 per UL-94; or other high performance resin.
www.gct.co
PRODUCT SPECIFICATION
Part
Number
Product
Description
Doc
Number
BD 1.27mm Series
D
Rev
1.27mm Board to Board Socket Connectors
BD Series
Prepared
By:
Checked
By:
CC
VJ
Date
26/03/20
Page
2
Approved
By:
PH
3.3 Plating
3.3.1 Contact Under Plate and Finish
Under Plate: Nickel 50-100µ”
Finish:
• Gold Flash All Over (A)
• Selective gold flash contact area/tin on tail (B)
• Tin All Over (C) – 80µ” minimum
• Gold 10µ” (G) or 30µ” (I) on contact area. Tin 80µ” min. on Tail
3.4 Design
3.4.1 Mating
The connector shall be capable of mating and unmating manually with the test board.
3.5 Mechanical Requirements
3.5.1 Workmanship
The product shall be uniform in quality and free from defects (burrs, scratches, cracks, voids, etc.) that will
adversely affect the product performance.
3.5.2 Insertion Force
When measured in accordance with EIA-364-13B, 2.00N / Pin Max. (Receptacle / Plug)
3.5.3 Unmating Force
When measured in accordance with EIA-364-13B, the following details shall apply:
0.15N / Pin Min. initial (Receptacle / Plug),
3.5.4 Contact Retention Force
The end of a post shall be pushed in a perpendicular to base housing at a constant speed of
25.4 mm / minute. Min. Retention Force for 1.5N / Pin.
3.5.5 Durability
When measured in accordance with EIA-364-09C, the following details shall apply:
100 mating cycles at a rate of 25.4 mm / minute, contact resistance 30 mΩ Max.
www.gct.co
PRODUCT SPECIFICATION
Part
Number
Product
Description
Doc
Number
BD 1.27mm Series
D
Rev
1.27mm Board to Board Socket Connectors
BD Series
Prepared
By:
Checked
By:
CC
VJ
Date
26/03/20
Page
3
Approved
By:
PH
3.6 Electrical Requirements
3.6.1 Current Rating
1.0A, When measured in accordance with EIA-364-70, 1.0 A Max., based on a 30°C rise over ambient.
3.6.2 Voltage Rating
30V AC / DC. When measured in accordance with EIA-364-20B.
3.6.3 Low Level Circuit Resistance
When measured in accordance with EIA-364-23B, Initial: ≤20 mΩ, after environmental test: ≤30mΩ.
The following details shall apply:
(a). Current: 100 mA Max.
(b). Max. Open Circuit Voltage: 20 mV DC.
3.6.4 Dielectric Withstanding Voltage
There shall be of no evidence of flashover when the mated plug and receptacle are tested in accordance
with EIA-364-20B, The following details shall apply:
(a). Voltage: 300V AC at 50 Hz.
(b). Duration: 60 sec.
(c). Measurement Points: Measure across a Min. of 10 adjacent and 10 opposing contacts.
3.6.5 Insulation Resistance
Shall be a Min. of 1000 MΩ before conditioning and a Min. of 500 MΩ after conditioning. When
measured in accordance with EIA-364-21C, the following details shall apply:
(a). Voltage: 500 V DC / 1 Min.
(b). Measurement Points: Measure between 10 adjacent and 10 opposing contacts per plug and receptacle.
3.6.6 Capacitance
Measure the capacitance between adjacent unmated contacts. The capacitance shall not exceed a Max.
of 2 pF at 1 KHz.
www.gct.co
PRODUCT SPECIFICATION
Part
Number
Product
Description
Doc
Number
BD 1.27mm Series
D
Rev
1.27mm Board to Board Socket Connectors
BD Series
Prepared
By:
Checked
By:
CC
VJ
Date
26/03/20
Page
4
Approved
By:
PH
3.7 Environmental Requirements
3.7.1 Operating Temperature Range
-40°C~105°C.
3.7.2 Temperature Life
After exposure of the unmated connector to a high temperature operating environment, the contact
resistance shall not exceed the value specified in paragraph 3.6.3. Test shall be in accordance
with EIA-364-17B. The following details shall apply:
(a). Test Condition: 105°C, 96hours.
3.7.3 Thermal Shock Test
There shall be no evidence of physical damage when the mated module and socket are subjected to
transient acceleration. During and after each shock, the test shall show no evidence of discontinuity >1 ms.
The test shall be in accordance with EIA-364-32C, Test Condition a, b:
(a). Temperature: -40°C / 30minutes to +105°C / 30minutes, 5cycles,
(b). Initial, After Test THERMAL: Max. Circuit Resistance: 30 mΩ or below.
3.7.4 Humidity Test
After exposure of the plug and receptacle to a high humidity environment, the insulation resistance shall not
be less than 500 MΩ. The dielectric withstanding voltage shall be greater than 300V AC for 1 minute.
The test shall be in accordance with EIA-364-31B.
(a). Test Condition: (40±2°C, 90-95% RH, 96 hrs).
3.7.5 Salt Spray
After exposure, the contact resistance shall not exceed that specified (see paragraph 3.6.3). The insulation
resistance shall not be less than 500 MΩ (see paragraph 3.6.5). The dielectric withstanding voltage
shall be greater than 300V AC for 1 minute (see paragraph 3.6.4).
The test shall be in accordance with EIA-364-26B, The following details shall apply:
(a). Gold, Test Condition: 35±2°C, 16 hrs, 5% NaCL.
(b). Gold / Tin, Tin, Nickel Test Condition: 35±2°C, 8 hours, 5% NaCL.
(c). Special Handling: The mated sockets shall be mildly rinsed in water to remove salt residue and allowed
to dry for 24 hours at room temperature before measurements are to be taken.
www.gct.co
PRODUCT SPECIFICATION
Part
Number
Product
Description
Doc
Number
BD 1.27mm Series
D
Rev
1.27mm Board to Board Socket Connectors
BD Series
Prepared
By:
Checked
By:
CC
VJ
Date
26/03/20
Page
5
Approved
By:
PH
3.7.6 Resistance to Soldering Heat (Excluding the following materials: PBT Nylon 46, Nylon 66)
There shall be no evidence of physical damage to the insulator or finished product when the unmated socket
is subjected to the reflow soldering process. After exposure, the contact resistance shall not exceed that
specified in paragraph 3.6.3.
The following details shall apply:
(a). Test Condition: Test connector shall be placed on the PCB.
(b). Pre-Heat Temperature: 100~150°C for 60 seconds Max.
(c). Temperature: Min. 210°C for 30 seconds Max.
(d). Peak Temperature: 260±5°C, 10±5sec.
3.7.7 Solderability Test
After exposure, the contact solder tails shall have a minimum of 95% solder coverage. The covered area
must not show any evidence of voids or pinholes.
The test shall be in accordance with EIA-364-71B, the contact solder tails must have solder coverage of 95%
up. The plastics have no damage. The following details shall apply:
(a). Solder Dwell Time: Contacts shall be held above the solder for 3 to 5 seconds before being immersed
in the solder,
(b). Test Temperature: 245±3°C, 3~5 sec.
www.gct.co
PRODUCT SPECIFICATION
Part
Number
Product
Description
Doc
Number
BD 1.27mm Series
D
Rev
1.27mm Board to Board Socket Connectors
BD Series
Prepared
By:
Checked
By:
CC
VJ
Date
26/03/20
Page
6
Approved
By:
4.0 QUALITY ASSURANCE PROVISIONS
4.1 Inspection Conditions
Unless otherwise specified, all inspections shall be performed under the following ambient conditions.
(a). Temperature: 25±5°C,
(b). Relative Humidity: 30% to 70%,
(c). Barometric Pressure: Local Ambient.
4.2 Qualification Inspection
Qualification inspections shall be performed on sample units produced with production equipment.
4.2.1 Sample Selection
Connectors shall be prepared according to applicable instruction sheets. Samples shall be selected at
random from current production. A total of 26 samples are required for the specified test sequence.
4.2.2 Test Sequence
The sample connectors shall be subjected to the inspections specified in the order shown.
Test Item
A
B
C
D
E
F
G
H
Sample Size
3
3
3
3
5
3
3
3
Examination of Product
1,5
1,5
1,9
1,7
1,9
1,3
1,3
1,3
Terminal Resistance
2,4
2,4
2,8
2,8
Insulation Resistance
3,7
2,5
Dielectric Withstanding Voltage
4,6
3,6
Temperature Life
3
Humidity Test
Thermal Shock
4
3
Solderability
2
Resistance to Soldering Heat
2
Insertion Force
3,7
Unmating Force
4,6
Contact Resistance Force
2
Durability
Salt Spray
5
5
www.gct.co
PH
PRODUCT SPECIFICATION
Part
Number
Product
Description
Doc
Number
BD 1.27mm Series
D
Rev
1.27mm Board to Board Socket Connectors
Prepared
By:
BD Series
Checked
By:
CC
VJ
Date
26/03/20
Page
7
Approved
By:
Revision details :Revision
Information
Page
Release Date
A
Specification released.
-
22/03/10
B
Clarified underplating information.
2
16/08/13
C
Amended tin plating thickness.
2
07/10/13
D
Change voltage rating from 250V DC/AC to 30
DC/AC
3
26/03/20
www.gct.co
PH