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Part Number Complete

7914-B500FL-3448

Number of Pins Polarizing key groove/key mount Days to Ship

Specification/Dimensions

Number of Pins
10

14

16

20

26

30

34

40

50

60
Clear
Polarizing key groove/key mount(Piece)
- Left and Right Each 1
- Single Side 1
- N/A
Clear

Days to Ship

All

6 Day(s) or Less
Clear

Specify Alterations

MIL connector IDC female connector (no lock) (7914-B500FL-3448)

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● Lead-free solder for environmental considerations.
● A standard MIL connector compliant with MIL specifications (MIL-C-83503) and with UL acquisition.
● UL No. E68080
● UL No. E45587 (Strain Relief)

Rated Current	Rated Voltage	Connection Resistance	Insulation Resistance	Withstand Voltage	Operating Temperature
1A	AC250V	Below 20 mΩ	1000 MΩ or more	1,000 VAC r.m.s / 1 min.	-55°C – 105°C

· Compatible Wire Size: AWG28 or 0.08 mm² Stranded 1.27 mm Pitch Flat Cables, Fusion Cable

Product Description

[Features]This is a female connector that allows for batch IDC together with 1.27 mm pitch ribbon cable. It is a lead-free type that takes into consideration the global environment. A standard MIL connector that is compliant with the MIL standard (MIL-C-83503) and UL-certified.

Specifications

MIL Press-fit Female Connector (Without Lock):Related Image

Model	Number of Cores	Weight g
Model	Number of Cores	Weight g
7910-B500FL-3448	10	2.00
7914-B500FL-3448	14	2.59
7916-B500FL-3448	16	2.88
7920-B500FL-3448	20	3.48
7926-B500FL-3448	26	4.36
7930-B500FL-3448	30	4.96
7934-B500FL-3448	34	5.54
7940-B500FL-3448	40	6.43
7950-B500FL-3448	50	7.89
7950-B700FL-3448	50	7.91
7960-B500FL-3448	60	9.39
7964-B500FL-3448	64	9.99

More Information

[ M ]Material / Finish

Item	Materials	Finish
Contact	Copper Alloy	Nickel Plating Gold Base Plating
Body	Glass Reinforced Polyester	UL94V-0, Gray
Cover	Glass-filled Polyester
Strain Relief	Polyester

: 30; 45; 60

Part Number
7914-B500FL-3448

Part Number	Price	Minimum Order Qty.	Volume Discount	Days to Ship	Number of Pins	Polarizing key groove/key mount (Piece)
	₹ 451.43	2 Piece(s)		6 Day(s) or more	14	Single Side 1

Connection Method for Pressure Welding Type MIL Socket Connector

The MIL standard socket connector is a small and highly versatile connector used for connecting various input/output signals, such as solenoid valves and programmable controllers in FA and SCSI and IDE in computers. The pressure welding type, which can connect cables easily, is especially popular and used widely. Although it is desirable to use dedicated tools specified by the manufacturer in terms of reliability of cable connection for the pressure welding type, most dedicated tools specified by the manufacturer usually cost about fifty to one hundred thousand yen. This kind of expense is out of the question when manufacturing a small prototype. Here we introduce a method for simple pressure welding, which can be useful when manufacturing prototypes or simple jigs. However, after processing, please thoroughly check the finish and connection before use.

(1) First of all, select the cable. Flat cables (photo 1) with wire spacing of 1.27 mm pitch can be used. Types of flat cables include the bridge type, which is nearly all gray wires except for red and green, the intermittent bonded gray type, in which the flat portion turns to loose wires partway through, and the twisted-pair flat type which is intermittent bonded and resistant to wire twisting noise; there are also flat cables with shields and color types using a variety of colors.

(2) Once you have selected the cable, cut it straight with scissors. (Picture 2) If it is cut curved or diagonally, the conductor may not reach the blade of the contact. Then apply the cut cable to the uneven portion of the holding plate. (Picture 3)

(3) Next, considering the cable draw-out direction, position the ▼ mark of the connector so that it matches the first wire (if it is gray type match with the red line, if it is color type match with the brown line) and apply the edge portion of the connector to the cable. Press down firmly with a finger so that the cable is not aslant. (Picture 4)

(4) After that you only need to clamp and weld with a vise or the simple pressure welding tool on P.a4209. (Picture 5) However, please perform the welding gradually and slowly. Also, if there is a lock lever as in the relay connector and the tool cannot be applied to the operation side, please use a wood block etc. so that there is always uniform force applied to the whole connector. Note that relay connector welding cannot be performed with a simple pressure welding tool.

(5) When the welding is complete, pull the connector out from the tool. (Picture 6) The strain relief is installed from the back of the connector so that the contact portion does not disconnect if force is applied to the cable during use. (Picture 7) Finally, check the conduction and the finished appearance of the pressure welding. (Picture 8)

Table of Possible Connectors for Pressure Welding

As well as MIL socket connectors, the simple pressure welding tool in the photos can be used for the following products.

Product Name	Model
D-sub Connector (EMI Pressure Welding Type)	FD-PF05 (Male) FD-P05 (Male) FD-S05 (Female)
Centronics Connector General-purpose Pressure Welding Spring-lock Type	57F-30*-20S (Male) 57F-40*-20S (Female)
Centronics Connector (EMI Pressure Welding Type)	57FE-30*-20N-D8 (Male) 57FE-40*-20N-D8 (Female)
FCN Pressure Welded Connector	FCN-367J***-AU-F (Female)
MIL Socket Connector Female Pressure Welding Contact Connector (without Lock)	HIF3-D-2.54R (Female) 79*-B500FL-3448 Cannot be used for 60 / 64 core type. The type with 2 guide keys also cannot be used
MIL Socket Connector Female Pressure Welding Contact Connector (with Lock)	XG4M-****-U

Caution: The attachment to hold the connector in place is not sold separately. When high reliability is required for the connection between the connector and the electrical wire, use a dedicated tool handled by the connector manufacturer.

Basic Information

Connector Shape	Square shape	Connector series initials	M/N/O	M/N/O	MIL
Applicable pin/contact	Female (socket)	Application	Cable to Circuit Board	Allowable Current(A)	1
Allowable Voltage(V)	250	Wire connection method	Pressure welding	Connection direction	Straight
Protection function (environmentally resistant)	None	Representative Standard	UL	Polarity Guide/Slot(Piece)	Central 1
Other standards (MIL)	○	Removal method	Others

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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