TCST2103 Vishay Relay or Contactor (Dual-In-Line Sockets) In Stock

Name: TCST2103
Brand: Vishay
SKU: TCST2103
Availability: InStock

TCST2103 is a Vishay relay or Contactor. It offers 4 pins, -55°C to 85°C, Dual-In-Line Sockets packaging for 4-pin Dual-In-Line Sockets designs. From $0.00 in stock worldwide shipping.

ACTIVERelay or ContactorVerified Jun 2026

Package / Visual Reference

TCST2103Dual-In-Line Sockets

Quick Facts

Manufacturer: Vishay
Package: Dual-In-Line Sockets
Pin Count: 4
Lifecycle: ACTIVE
Datasheet: TCST2103 Datasheet PDF
Category: Relay or Contactor
Price: From $0.6097(MOQ 85)
Temp Range: -55.0°C to 85.0°C
RoHS: Compliant
Lead Time: 3–7 business days
Shipping: DHL Express · Worldwide

What are the key features of TCST2103?

Vishay relay or Contactor selected for signal switching applications
4-pin Dual-In-Line Sockets format supports practical PCB assembly and sourcing review
4 pins rating/detail available for engineering comparison
-55°C to 85°C parameter helps validate alternates and operating margin

What is TCST2103 used for?

TCST2103 is used in signal switching, control modules, instrumentation, and isolated interface circuits where a relay or Contactor must match documented board-level requirements. It is suitable for replacement sourcing and production builds that need 4 pins with the 4-pin Dual-In-Line Sockets format. Buyers commonly check it for BOM continuity, repair programs, and alternate approval.

What are the specifications of TCST2103?

Factory Lead Time	6Weeks
YTEOL	7.8
Coll-Emtr Bkdn Voltage-Min	70V
Configuration	SINGLE
Dark Current-Max	100nA
Forward Current-Max	0.06A
Gap Size	3.1mm
JESD-609 Code	e2
Mounting Feature	THROUGH HOLE MOUNT
Number of Functions	1
On-State Current-Max	0.004A
On-State Voltage-Max	70V
On-state Collector Current-Nom	4mA
Optoelectronic Device Type	TRANSISTOR OUTPUT SLOTTED SWITCH
Output Circuit Type	Transistor
Response Time-Max	0.00001s
Slot Width-Nom	3.1mm
Surface Mount	NO
Terminal Finish	TIN SILVER
Package	Dual-In-Line Sockets

Compliance & Regulatory

RoHS Status	Compliant
Lead-Free	Yes (Pb-Free)

Where can I find the TCST2103 datasheet?

TCST2103 Datasheet Download

Official datasheet from Vishay

What are equivalent replacements for TCST2103?

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

Which design conditions make TCST2103 a suitable relay or Contactor choice?

Use TCST2103 when the design needs a relay or Contactor with 4 pins. The listed Vishay context makes it suitable for controlled BOM sourcing and electrical fit checks.

How should buyers verify package fit for TCST2103?

For package review, confirm the 4-pin Dual-In-Line Sockets format and 4 pins against the PCB footprint before release. This helps prevent substitution errors during SMT assembly or repair sourcing.

What should procurement compare before approving an alternate to TCST2103?

Before approving an alternate, keep 4 pins, 4-pin Dual-In-Line Sockets, lifecycle status, and compliance assumptions aligned. Buyers should also verify date-code, lot, and test-document requirements for each order.

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Reference Price (USD)

From $0.6097

Buy from 1pc · Factory-direct pricing

Qty.	Unit Price	Ext. Price
85+	$0.9100	$77.35
150+	$0.7000	$105.00
300+	$0.6900	$207.00
750+	$0.6600	$495.00
4080+	$0.6210	$2533.64
8160+	$0.6097	$4975.15

pcs

Unit price: $0.9100 · Total: $77.35

In Stock · 24h Response · Worldwide Shipping

Direct Contact

WhatsApp Inquiry Email RFQ

Lead Time3-7 business days

MOQFrom 1 piece

ShippingDHL / FedEx / UPS

OriginChina (Authorized)

Response within 24 hours · Worldwide shipping

“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”

James Wright

Supply Chain Director, CircuitPro Ltd, UK