TD-120-G-A The TD-120-G-A from Samtec is a 40-position, double-row male pin header with 2.54mm pitch. It features through-hole mounting, gold-plated phosphor bronze contacts, and a black glass-filled polyester insulator.
Mfr Part #:

TD-120-G-A

Available from 1 distributors
Mfr Name: Samtec Inc.
Samtec Inc.
The TD-120-G-A from Samtec is a 40-position, double-row male pin header with 2.54mm pitch. It features through-hole mounting, gold-plated phosphor bronze contacts, and a black glass-filled polyester insulator.
✓ Total Stock: 1 pcs
$ Price Range: $6.10 - $11.21

TD-120-G-A Available from 1 distributor

✓ Authorised
✓ Non-Authorised
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1 pcs
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TD-120-G-A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connector Type
Contact Finish
Contact Finish Thickness
Contact Length
Contact Material
Contact Shape
Contact Type
Fastening Type
Insulation Color
Insulation Height
Insulation Material
Lead Style
Material Flammability Rating
Mounting Type
Number of Positions
Number of Positions Loaded
Number of Rows
Operating Temperature
Overall Contact Length
Pitch
Row Spacing
Shrouding
Style
Tape & Reel
Termination

TD-120-G-A Description

Short technical summary and product information.

The TD-120-G-A is a double-row precision machined terminal strip from Samtec's TD series. It offers 40 positions arranged in two rows with a 2.54mm pitch, making it suitable for standard PCB layouts. The header uses through-hole solder termination and has an unshrouded design with a push-pull fastening mechanism.

 

The contacts are made of phosphor bronze with a gold finish of 20 microinches (0.51 µm) over 50 microinches of nickel, providing reliable conductivity and corrosion resistance. The insulator is black glass-filled polyester, rated UL94 V-0 for flammability, and the operating temperature range is -55°C to 125°C. The overall contact length is 12.12mm, with a contact length of 3.96mm and a row spacing of 2.54mm.

 

This header is designed for board-to-board applications and mates with Samtec series SS, SD, HSS, SL, SDL, ESS, and ESD. It is RoHS compliant but not suitable for lead-free soldering; only lead wave soldering is supported. The lead style is A, with a 0.018-inch diameter pin and 0.156-inch Y dimension.

TD-120-G-A Quick Information

Product Type: Header, Male Pins
Series: TD
Canonical Name: Samtec TD-120-G-A 40 Position Double Row Header
Subcategory: Male Pin Header

TD-120-G-A Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: No, Lead Wave Only

TD-120-G-A Estimated Pricing

Qty Low High
1+ $11.21 $11.21
11+ $11.20 $11.20
22+ $10.58 $10.58
55+ $8.49 $8.49
110+ $8.18 $8.18
253+ $7.46 $7.46
506+ $6.51 $6.51
1,001+ $6.10 $6.10

Estimated market price range - modelled values for guidance only, not live distributor offers.

TD-120-G-A Features

  • 40-position double-row male pin header.
  • 2.54mm pitch for standard PCB layouts.
  • Gold-plated phosphor bronze contacts.
  • Through-hole solder termination.
  • Black glass-filled polyester insulator rated UL94 V-0.

TD-120-G-A Applications

  • Board-to-board interconnections in industrial equipment.
  • Used in data communication and computing systems.
  • Suitable for high-reliability applications requiring gold contacts.
  • Ideal for dense PCB layouts with 2.54mm pitch.

TD-120-G-A FAQs

7 frequently asked questions generated from this part’s specifications.
How many positions does the TD-120-G-A have?

40 positions, arranged in two rows.

What is the pitch of this header?

2.54mm (0.100 inches).

What is the mounting type?

Through hole with solder termination.

What is the contact finish and thickness?

Gold finish with a thickness of 20 microinches (0.51 µm) over 50 microinches of nickel.

What is the operating temperature range?

-55°C to 125°C.

Is the TD-120-G-A RoHS compliant?

Yes, RoHS3 compliant as verified by the datasheet.

What is the insulator material and flammability rating?

Black glass-filled polyester with UL94 V-0 rating.

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