Mfr Part #:

TSM-125-04-L-SV-A

Samtec TSM-125-04-L-SV-A is a 25 position single row 2.54mm pitch unshrouded header with surface mount termination and gold contact finish.

✓ Total Stock: 2 pcs

$ Price Range: $2.48 - $3.63

TSM-125-04-L-SV-A Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
Hybrid Electronics ✓ Non-Authorised Inventory information	2 pcs On Request	2 pcs	On Request	1	On Request	On Request	1420	On Request	On Request

TSM-125-04-L-SV-A Description

Short technical summary and product information.

The Samtec TSM-125-04-L-SV-A is a 25-position single row surface mount header from the TSM series. It features a 2.54mm pitch and unshrouded design suitable for board-to-board or cable connections. The header uses phosphor bronze contacts with gold plating on the post and matte tin on the tail, providing reliable connectivity.

This header is rated for 5.4A per pin when mated with SSM series and 495VAC when mated with BCS series. The operating temperature range is -55°C to +105°C with tin finish, and the insulation material is black liquid crystal polymer (LCP) with UL94 V-0 flammability rating.

The surface mount termination allows for automated assembly, and the part includes a board guide feature for alignment. The contact length is 3.05mm and post height is 4.82mm. This header is lead-free solderable and RoHS3 compliant.

TSM-125-04-L-SV-A Quick Information

Product Type: Header, Male Pins

Series: TSM

Canonical Name: Samtec TSM-125-04-L-SV-A 25 Position Single Row 2.54mm Pitch Surface Mount Header

Subcategory: Male Pins

TSM-125-04-L-SV-A Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

TSM-125-04-L-SV-A Estimated Pricing

Qty	Low	High
1+	$3.63	$3.63
54+	$3.56	$3.56
108+	$3.34	$3.34
504+	$2.91	$2.91
1,008+	$2.77	$2.77
2,007+	$2.48	$2.48

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

TSM-125-04-L-SV-A Features

25 position single row 2.54mm pitch header.
Surface mount termination for automated assembly.
Gold contact finish for reliable connections.
Rated 5.4A per pin and 495VAC voltage.
Unshrouded push-pull fastening design.

TSM-125-04-L-SV-A Applications

Used in board-to-board interconnect applications.
Suitable for cable-to-board connections.
Ideal for high-density signal routing.

TSM-125-04-L-SV-A FAQs

7 frequently asked questions generated from this part’s specifications.

How many positions does the TSM-125-04-L-SV-A have?

25 positions in a single row.

What is the pitch of this header?

2.54mm (0.100") pitch.

What is the current rating per pin?

5.4A per pin when mated with SSM series.

What is the voltage rating?

495VAC when mated with BCS series.

What is the mounting type?

Surface mount.

What is the operating temperature range?

-55°C to +105°C with tin finish.

What contact finish is used?

Gold on post, Matte Tin on tail (10 µ" Gold on post).

Category	Headers, Male Pins
Manufacturer Name	Samtec Inc.
Connector Type	Header
Contact Finish	Gold
Contact Finish Thickness	10.0µin (0.25µm)
Contact Length	3.05mm (0.120")
Contact Material	Phosphor Bronze
Contact Shape	Square
Contact Type	Male Pin
Current Rating	5.4A
Fastening Type	Push-Pull
Features	Board Guide
Insulation Color	Black
Insulation Height	2.54mm (0.100")
Insulation Material	Liquid Crystal Polymer (LCP)
Lead Spacing	2.54 mm
Lead Style	Single Row Vertical
Material Flammability Rating	UL94 V-0
Mounting Type	Surface Mount
Number of Positions	25
Number of Positions Loaded	All
Number of Rows	1
Operating Temperature	105°C
Pitch	2.54mm
Shrouding	Unshrouded
Style	Board to Board or Cable
Tape & Reel	No
Termination	Solder
Voltage Rating	495VAC