• Due to the typhoon(Hagibis) in Japan, delivery of some products may be delayed. We apologize for any inconvenience and thank you for your understanding

2.5‑mm Pitch Board-To-Cable Connectors, DF1B Series【1-10,000 Pieces Per Package】

2.5‑mm Pitch Board-To-Cable Connectors, DF1B Series
  • Volume Discount

Connector for board-to-cable and cable-to-cable connections with 2.5-mm pitch. A wide variety of offerings, including choices in PCB mounting orientation, terminal arrangements, and terminal plating.

[Features]
· A new approach to contact pressure welding and crimping: A new type of connector where the contact-pressure-welded terminal is inserted into the casing.
· By combined use of insulation displacement terminals and crimp terminals, wires with different current ratings can coexist within the same case.
· Terminals can be replaced after wires are connected, allowing ease of maintenance.
· Since the insulation displacement area is protected by the housing, a high level of reliability is ensured.
· Insulation displacement can be performed simply by replacing the applicator of a conventional crimp machine, so no expensive insulation displacement machine is required.
· Headers support potting: A header with increased height to support potting of the board for waterproofing (via resin filling) is available.
· A wide variety of offerings: Each of the "board-to-board" and "relay" series offers both single-row and double-row terminal arrangements, as well as tin and gold standard plating.
In-stock items are made-to-order, so returns and cancellations are not possible. Thank you for your understanding.

PDF

Japanese Only

2.5‑mm Pitch Cable-to-Board and Cable-to-Cable Connector

Wide variation of circuit board mounting directions, contact configurations and contact platings are available

Wide variation of circuit board mounting directions, contact configurations and contact platings are available

Main Features of DF1B Series 2.5‑mm Pitch Board-to-Cable Connectors

Circuit board mounting height (crimp type)
Low-profile with 10‑mm and 2.5‑mm pitches.

Insulation displacement area protected by protector(ID type)
The insulation displacement area is protected by a protector, giving it excellent tensile strength and helping keep it clear of dust.

Easy assembly using simple tools(ID type)
No expensive ID machines required. Simply inserting the cable into the protector and tighten with an ID tool to assemble.

Supports in-line connections(pressure-welding type)
Supports in-line connections, making it possible to extract signals from the middle of the cable.

Supports signal extraction via in-line connections. Wire / DF1 ID connector / circuit board

Supports signal extraction via in-line connections.
Wire / DF1 ID connector / circuit board

Product Specifications

Product Information
Product NameDF1-PD2428SCB
HRS No.CL0541-0661-9-00
Basic Performance
Connector TypeContacts
Rated Current3 A
Rated Voltage (AC)250 V AC
Number of Matings and Un-Matings30
Contact PlatingGold
Wiring MethodCrimp
Compatible Wire TypeDiscrete wire
Compatible Wire Size (AWG)AWG 28 to 24
Operating Temperature Range-30 to 85°C
Mechanical Performance
Plating Thickness0.2 µm
Electrical Specifications
Withstand Voltage650 V max.
Product Size
UL-Type of Wire/CableUL 1061, 1007
Compatible Wire Coating Outer Diameter0.900 to 1.500 mm
Packaging Specifications
Sales UnitPack
Product Weight0.058 g
Connector TypeTerminals, sockets, headers, short pins, accessories
HarnessYes
Number of Contacts2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 20
No. of Rows (Mating Part)1
Mounting Pitch2.5 mm
Opening Pitch2.5 mm
Rated Current3 A
Rated Voltage (AC)250 V AC
Number of Matings and Un-MatingsTin plating: 30, Gold plating: 50
Board Mounting MethodThrough-hole DIP
Opening DirectionStraight, right-angle
Board Mounting StyleStandard on-board
Contact PlatingGold, tin
Wiring MethodCrimped, insulation displacement
Compatible Wire TypeDiscrete wire
Compatible Wire Size (AWG) Min.AWG 28, 24, 26
Compatible Wire Size (AWG) Max.AWG 26, 24
Operating Temperature Range (Max.)85, 80°C
Operating Temperature Range (Min.)-30, -35°C

Product Standards

RatingRated current
(Note 1)
Wire sizeAWG 24: 3 AOperating Temperature Range-30 to 85°C (Note 2)
AWG 26: 2 AOperating humidity range40 to 80%
AWG 28: 1 AStorage temperature range-10 to 60°C (Note 3)
Rated voltage250 V ACStorage temperature range40 to 70% (Note 3)

Ratings of DF1B Series 2.5‑mm Pitch Board-To-Cable Connectors

ItemStandardConditions
1. Insulation resistance1,000 MΩ or moreMeasure at 500 V DC
2. Withstand voltageThere shall be no flashover or dielectric breakdown.Energize at 650 V AC for 1 min.
3. Contact resistance30 mΩ or lessMeasure at 100 mA
4. Single unit insertion/extraction forceMin.: 0.44 N (45 gf), Max. 4.4 N (450 gf)Measure using a steel pin of □0.635 ±0.002 mm
5. Vibration resistanceThere shall be no discontinuity for 1 μs or greater.Frequency: 10 to 55 Hz, Single amplitude: 0.75 mm, Three directions, 2 hours
6. Humidity resistanceContact resistance: 30 mΩ or less, Insulation resistance: 1,000 MΩ or moreLeave at temperature 40 ±2°C and humidity 90 to 95% for 96 hours
7. Temperature cycleContact resistance: 30 mΩ or less, Insulation resistance: 1,000 MΩ or more(-55°C: 30 mins > 5 to 35°C: 10 mins > 85°C: 30 mins > 5 to 35°C: 10 mins) 5 cycles
8. Durability (mating / un-mating)Contact resistance: 30 mΩ or lessTin-plated: 30 timesGold-plated: 50 times
9. Solder heat resistanceNo melting of resin parts affecting performance.Flow: 250°C for 10 secondsManual solder: Soldering iron temperature of 300°C for 3 seconds

Standards and Conditions of DF1B Series 2.5‑mm Pitch Board-To-Cable Connectors

(Note 1) The rated current may vary depending on the wire size used. Only the rating of the header is 3 A.
(Note 2) This includes temperature increases caused by the flow of current.
(Note 3) The term "storage" refers to products stored for long periods of time prior to mounting and use. The operating temperature and humidity range are applicable in a non-energized state after board mounting.

Product Materials

ProductPart NameMaterialsFinishUL Standard
SocketInsulatorPolyamide resinWhite (natural)UL94V-0
ID contact for socketsContactsPhosphor bronzeTin plating or gold plating-
Crimp contacts for socketsContactsPhosphor bronzeTin plating or gold plating-
Pin headerInsulatorPolyamide resinWhite (natural)UL94V-0
ContactsBrassTin plating or gold plating-
In-line plugInsulatorPolyamide resinWhite (natural)UL94V-0
ID contact for inline plugsContactsPhosphor bronzeTin plating or gold plating-
Crimped contact for in-line plugsContactsPhosphor bronzeTin plating or gold plating-

Materials of DF1B Series 2.5‑mm Pitch Board-To-Cable Connectors

Part Number
DF1-PD2428SCB
DF1-PD2428SCFB
DF1B-2EP-2.5RC
DF1B-2ES-2.5RC
DF1B-2P-2.5DS(01)
DF1B-2P-2.5DSA(01)
DF1B-2S-2.5R
DF1B-3EP-2.5RC
DF1B-3ES-2.5RC
DF1B-3P-2.5DS(01)
DF1B-3P-2.5DSA(01)
DF1B-3S-2.5R
DF1B-4DP-2.5DS(01)
DF1B-4DP-2.5DSA(01)
DF1B-4DS-2.5RC
DF1B-4EP-2.5RC
DF1B-4ES-2.5RC
DF1B-4P-2.5DS(01)
DF1B-4P-2.5DSA(01)
DF1B-4S-2.5R
DF1B-5EP-2.5RC
DF1B-5ES-2.5RC
DF1B-5P-2.5DSA(01)
DF1B-5S-2.5R
DF1B-6DP-2.5DS(01)
DF1B-6DP-2.5DSA(01)
DF1B-6DS-2.5RC
DF1B-6EP-2.5RC
DF1B-6ES-2.5RC
DF1B-6P-2.5DS(01)
DF1B-6P-2.5DSA(01)
DF1B-6S-2.5R
DF1B-7EP-2.5RC
DF1B-7ES-2.5RC
DF1B-7P-2.5DSA(01)
DF1B-7S-2.5R
DF1B-8DP-2.5DS(01)
DF1B-8DP-2.5DSA(01)
DF1B-8DS-2.5RC
DF1B-8EP-2.5RC
DF1B-8ES-2.5RC
DF1B-8P-2.5DSA(01)
DF1B-8S-2.5R
DF1B-9EP-2.5RC
DF1B-9ES-2.5RC
DF1B-9S-2.5R
DF1B-10DEP-2.5RC
DF1B-10DES-2.5RC
DF1B-10DP-2.5DS(01)
DF1B-10DP-2.5DSA(01)
DF1B-10DS-2.5RC
DF1B-10EP-2.5RC
DF1B-10ES-2.5RC
DF1B-10P-2.5DS(01)
DF1B-10P-2.5DSA(01)
DF1B-10S-2.5R
DF1B-11EP-2.5RC
DF1B-11S-2.5R
DF1B-12DEP-2.5RC
DF1B-12DES-2.5RC
Part NumberNumber of pc(s). included in pkg.Volume DiscountDays to ShipRoHSConnector series initials Applicable pin/contact Number Of Cores Connector Type Rated Current
(A)
Wiring Method Connection direction Plating of part touching terminal Product Category Specifications Features Conforming wire size
(AWG)
Contact Pitch
(mm)
Operating Temperature Range
(°C)
Terminal pitch
(mm)
Special Notes Rated voltage (standard)
(V)

100 Pieces Per Package

3 Day(s) or more -D· E· FMale-[Cable Connection] Cable Connection3Crimp-GoldTerminalNANA24–28NA-35 to +85NAPackaging Type: VariousUL CSA: 30V
2 Day(s) or more -D· E· FMale-[Cable Connection] Cable Connection3Crimp-GoldTerminalNANA24–28NA-35 to +85NAPackaging Type: ReelUL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FMale2[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalRelay PlugSingle rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FFemale2Panel Mount3[Other] Crimp/weldingStraightNo terminalRelay socketSingle rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V
2 Day(s) or more 10D· E· FMale2For PCB3[Other] Circuit Board Mounting (DIP)AngleGoldPin HeaderSingle rowNANA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FMale2For PCB3[Other] Circuit Board Mounting (DIP)StraightGoldPin HeaderSingle rowNANA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FFemale2[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalSocketSingle rowNANA2.5-35 to +852.5Applies to relay plugs (simple locks) and various pin headersUL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FMale3[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalRelay PlugSingle rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FFemale3Panel Mount3[Other] Crimp/weldingStraightNo terminalRelay socketSingle rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V
2 Day(s) or more 10D· E· FMale3For PCB3[Other] Circuit Board Mounting (DIP)AngleGoldPin HeaderSingle rowNANA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FMale3For PCB3[Other] Circuit Board Mounting (DIP)StraightGoldPin HeaderSingle rowNANA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FFemale3[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalSocketSingle rowNANA2.5-35 to +852.5Applies to relay plugs (simple locks) and various pin headersUL CSA: 30V
3 Day(s) or more -D· E· FMale4For PCB3[Other] Circuit Board Mounting (DIP)AngleGoldPin HeaderDouble rowNANA2.5-35 to +852.5-UL CSA: 30V
3 Day(s) or more -D· E· FMale4For PCB3[Other] Circuit Board Mounting (DIP)StraightGoldPin HeaderDouble rowNANA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FFemale4[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalSocketDouble rowNANA2.5-35 to +852.5Applies to relay plugs (simple locks) and various pin headersUL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FMale4[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalRelay PlugSingle rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FFemale4Panel Mount3[Other] Crimp/weldingStraightNo terminalRelay socketSingle rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V
2 Day(s) or more 10D· E· FMale4For PCB3[Other] Circuit Board Mounting (DIP)AngleGoldPin HeaderSingle rowNANA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FMale4For PCB3[Other] Circuit Board Mounting (DIP)StraightGoldPin HeaderSingle rowNANA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FFemale4[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalSocketSingle rowNANA2.5-35 to +852.5Applies to relay plugs (simple locks) and various pin headersUL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FMale5[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalRelay PlugSingle rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FFemale5Panel Mount3[Other] Crimp/weldingStraightNo terminalRelay socketSingle rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V
2 Day(s) or more 10D· E· FMale5For PCB3[Other] Circuit Board Mounting (DIP)StraightGoldPin HeaderSingle rowNANA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FFemale5[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalSocketSingle rowNANA2.5-35 to +852.5Applies to relay plugs (simple locks) and various pin headersUL CSA: 30V
3 Day(s) or more -D· E· FMale6For PCB3[Other] Circuit Board Mounting (DIP)AngleGoldPin HeaderDouble rowNANA2.5-35 to +852.5-UL CSA: 30V
3 Day(s) or more -D· E· FMale6For PCB3[Other] Circuit Board Mounting (DIP)StraightGoldPin HeaderDouble rowNANA2.5-35 to +852.5-UL CSA: 30V
3 Day(s) or more -D· E· FFemale6[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalSocketDouble rowNANA2.5-35 to +852.5Applies to relay plugs (simple locks) and various pin headersUL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FMale6[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalRelay PlugSingle rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FFemale6Panel Mount3[Other] Crimp/weldingStraightNo terminalRelay socketSingle rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V
2 Day(s) or more 10D· E· FMale6For PCB3[Other] Circuit Board Mounting (DIP)AngleGoldPin HeaderSingle rowNANA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FMale6For PCB3[Other] Circuit Board Mounting (DIP)StraightGoldPin HeaderSingle rowNANA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FFemale6[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalSocketSingle rowNANA2.5-35 to +852.5Applies to relay plugs (simple locks) and various pin headersUL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FMale7[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalRelay PlugSingle rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FFemale7Panel Mount3[Other] Crimp/weldingStraightNo terminalRelay socketSingle rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V
2 Day(s) or more 10D· E· FMale7For PCB3[Other] Circuit Board Mounting (DIP)StraightGoldPin HeaderSingle rowNANA2.5-35 to +852.5-UL CSA: 30V
3 Day(s) or more -D· E· FFemale7[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalSocketSingle rowNANA2.5-35 to +852.5Applies to relay plugs (simple locks) and various pin headersUL CSA: 30V
3 Day(s) or more -D· E· FMale8For PCB3[Other] Circuit Board Mounting (DIP)AngleGoldPin HeaderDouble rowNANA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FMale8For PCB3[Other] Circuit Board Mounting (DIP)StraightGoldPin HeaderDouble rowNANA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FFemale8[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalSocketDouble rowNANA2.5-35 to +852.5Applies to relay plugs (simple locks) and various pin headersUL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FMale8[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalRelay PlugSingle rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FFemale8Panel Mount3[Other] Crimp/weldingStraightNo terminalRelay socketSingle rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V
2 Day(s) or more 10D· E· FMale8For PCB3[Other] Circuit Board Mounting (DIP)StraightGoldPin HeaderSingle rowNANA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FFemale8[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalSocketSingle rowNANA2.5-35 to +852.5Applies to relay plugs (simple locks) and various pin headersUL CSA: 30V
3 Day(s) or more -D· E· FMale9[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalRelay PlugSingle rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V
3 Day(s) or more -D· E· FFemale9Panel Mount3[Other] Crimp/weldingStraightNo terminalRelay socketSingle rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V
3 Day(s) or more -D· E· FFemale9[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalSocketSingle rowNANA2.5-35 to +852.5Applies to relay plugs (simple locks) and various pin headersUL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FMale10[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalRelay PlugDouble rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FFemale10Panel Mount3[Other] Crimp/weldingStraightNo terminalRelay socketDouble rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V
3 Day(s) or more -D· E· FMale10For PCB3[Other] Circuit Board Mounting (DIP)AngleGoldPin HeaderDouble rowNANA2.5-35 to +852.5-UL CSA: 30V
3 Day(s) or more -D· E· FMale10For PCB3[Other] Circuit Board Mounting (DIP)StraightGoldPin HeaderDouble rowNANA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FFemale10[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalSocketDouble rowNANA2.5-35 to +852.5Applies to relay plugs (simple locks) and various pin headersUL CSA: 30V
3 Day(s) or more -D· E· FMale10[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalRelay PlugSingle rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V
3 Day(s) or more -D· E· FFemale10Panel Mount3[Other] Crimp/weldingStraightNo terminalRelay socketSingle rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V
2 Day(s) or more 10D· E· FMale10For PCB3[Other] Circuit Board Mounting (DIP)AngleGoldPin HeaderSingle rowNANA2.5-35 to +852.5-UL CSA: 30V
2 Day(s) or more 10D· E· FMale10For PCB3[Other] Circuit Board Mounting (DIP)StraightGoldPin HeaderSingle rowNANA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FFemale10[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalSocketSingle rowNANA2.5-35 to +852.5Applies to relay plugs (simple locks) and various pin headersUL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FMale11[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalRelay PlugSingle rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

5 Day(s) or more -D· E· FFemale11[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalSocketSingle rowNANA2.5-35 to +852.5Applies to relay plugs (simple locks) and various pin headersUL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FMale12[Cable Connection] Cable Connection3[Other] Crimp/weldingStraightNo terminalRelay PlugDouble rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V

100 Pieces Per Package

3 Day(s) or more -D· E· FFemale12Panel Mount3[Other] Crimp/weldingStraightNo terminalRelay socketDouble rowComplete LockNA2.5-35 to +852.5-UL CSA: 30V

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Basic Information

Connector Shape Rectangular D· E· F DF Allowable Voltage(V) AC250
Representative Standard UL / CSA

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