Exhibit 21.1

SUBSIDIARIES OF TE CONNECTIVITY LTD.

(as of October 27, 2021)

Argentina	TE Connectivity Argentina S.R.L.
Australia	Grangehurst Enterprises Pty. Ltd.
	TE Connectivity Australia Pty Ltd
Austria	Tyco Electronics Austria GmbH
Barbados	Corcom West Indies Limited
	TE Connectivity Atlantic Holding Ltd.
Belgium	TE Connectivity Belgium BV
Bermuda	Tyco Electronics Eta Limited (In Member’s Voluntary Liquidation)
	Tyco Electronics Holdings (Bermuda) No. 7 Limited
	Tyco Electronics Lambda (In Member’s Voluntary Liquidation)
Brazil	ERNI Eletrônicos Ltda.
	Seacon Produtos e Servicos Opticos e Eletricos Ltda.
	TE Connectivity Brasil Indústria de Eletrônicos Ltda.
Canada	First Sensor Corp.
	TE Connectivity ULC
	Tyco Electronics Canada ULC
Chile	TE Connectivity Industrial y Comercial Chile Limitada
China	Alpha Technics (Xiamen) Limited
	Deutsch Connectors Trading (Shanghai) Co., Ltd.
	ERNI Electronics (China) Ltd
	ERNI Electronics (Shanghai) Co., Ltd.
	Fa Zuo Qin Electronics (Shanghai) Co., Ltd.
	Hirschmann Car Communication (Shanghai) Co. Ltd.
	Laird Connectivity (Shanghai) Limited
	MEAS Shenzhen Limited
	Measurement Specialties (Chengdu) Ltd.
	Measurement Specialties (China) Ltd.
	Measurement Technology (Chengdu) Ltd.
	Raychem Shanghai Cable Accessories Limited
	Raychem (Shanghai) Trading Ltd.
	Shanghai CII Electronics Co., Ltd (50%)
	Sibas Electronics (Xiamen) Co., Ltd.
	TE Connectivity Connectors (Suzhou) Co., Ltd.
	TE Connectivity (Kunshan) Company Limited
	TE Connectivity (Suzhou) Co., Ltd.
	TE Connectivity (Weifang) Ltd.
	Tyco Electronics AMP Guangdong Ltd
	Tyco Electronics AMP Qingdao Ltd.
	Tyco Electronics (Dongguan) Ltd
	Tyco Electronics (Kunshan) Ltd
	Tyco Electronics (Qingdao) Ltd.

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	Tyco Electronics (Shanghai) Co., Ltd
	Tyco Electronics (Shenzhen) Co. Ltd.
	Tyco Electronics (Suzhou) Ltd.
	Tyco Electronics Technology (SIP) Ltd.
	Tyco Electronics (Zhuhai) Ltd
Colombia	TE Connectivity Colombia S.A.S.
Costa Rica	Creganna Medical, Sociedad de Responsabilidad Limitada
Cyprus	Acalon Holdings Limited
	Raychem Technologies Limited
Czech Republic	TE Connectivity Czech s.r.o.
	TE Connectivity Trutnov s.r.o.
Denmark	TE Connectivity (Denmark) ApS
Dominican Republic	Raychem Dominicana S.A.
Finland	Tyco Electronics Finland Oy
France	Carrier Kheops BAC
	Compagnie Deutsch Distribution
	Connecteurs Electriques Deutsch
	Deutsch
	Deutsch Group
	Hirschmann Car Communication S.A.S.
	MEAS Europe
	MEAS France
	Tyco Electronics France SAS
	Tyco Electronics Group S.A. (French Branch)
	Tyco Electronics Holding France
	Tyco Electronics Idento
	TYCO ELECTRONICS-SIMEL
Germany	EEG Verwaltung GmbH
	EES Verwaltung GmbH
	EPG Verwaltung GmbH
	ERNI Deutschland GmbH
	ERNI Electronics GmbH & Co. KG
	ERNI Grundstücksverwaltungs GmbH
	ERNI Production GmbH & Co. KG
	First Sensor AG (71.90%)
	First Sensor Lewicki GmbH (71.90%)
	First Sensor Mobility GmbH (71.90%)
	Grundbesitz "Bohnland 16" GmbH
	Hirschmann Car Communication GmbH
	TE Connectivity EMEA Holding GmbH
	TE Connectivity Germany GmbH
	TE Connectivity Industrial GmbH
	TE Connectivity KISSLING Products GmbH
	TE Connectivity Sensors Germany GmbH
	TE Connectivity Sensors Germany Holding AG

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	Tyco Electronics EC Verwaltungsgesellschaft mbH
	Tyco Electronics Germany Holdings GmbH
	Tyco Electronics Raychem GmbH
Gibraltar	Tyco Electronics (Gibraltar) Limited
Greece	Tyco Electronics Hellas MEPE
Guernsey	Cregstar Bidco Limited
Hong Kong	Alpha Technics Asia Limited
	ERNI Electronics Limited
	F.A.I. Technology (Hong Kong) Limited
	MEAS Asia Limited
	Raychem China Limited
	TE Connectivity (HKZ) Holding Limited
	TE Connectivity HK Limited
	Tyco Electronics H.K. Limited
	Tyco Electronics Hong Kong Holdings No. 2 Limited
	Tyco Electronics Hong Kong Holdings No. 3 Limited
	Wema Systems Hong Kong Limited (In Members’ Voluntary Liquidation)
Hungary	Hirschmann Car Communication Kft.
	Tyco Electronics Hungary Termelő Kft
India	CII Guardian International Limited (39.43%)
	Deutsch India Power Connectors (Pvt) Ltd
	DRI India Relays Private Limited
	RAYCHEM-RPG Private Limited (50%)
	TE Connectivity India Private Limited
	TE Connectivity Services India Private Limited
Indonesia	PT KRONE Indonesia (70%)
	PT. Tyco Electronics Indonesia
Ireland	Creganna Finance Ireland Limited
	Creganna Medical Ireland Limited
	Creganna Unlimited Company
	MEAS Ireland (Betatherm) Limited
	TE Connectivity Ireland Limited
	Tyco Electronics Group S.A. (Branch Office)
Israel	TE Connectivity Israel Ltd.
Italy	TE Connectivity Italia Distribution S.r.l.
	TE Connectivity Italia S.r.l.
Japan	ERNI Electronics K.K.
	Nikkiso-Therm Co., Ltd. (50.06%)
	Tyco Electronics Japan G.K.
Kenya	Tyco Electronics UK Ltd. (Kenya Branch)
Luxembourg	TE Connectivity Holding International I S.à r.l.

3

	TE Connectivity Holding International II S.a r.l.
	TE Connectivity Investments Holding S.à r.l.
	TE Connectivity LATAM Holding S.à r.l.
	TE Connectivity MOG Europe S.a r.l.
	TE Connectivity MOG Holding S.a r.l.
	TE Connectivity (US) Holding I S.à r.l.
	TE Connectivity (US) Holding II S.à r.l.
	Tyco Electronics Group S.A.
Malaysia	Laird Technologies (M) SDN. BHD.
	Tyco Electronics (Malaysia) Sdn. Bhd.
Mexico	AMP Amermex, S.A. de C.V.
	Cima de Acuna S.A. de C.V.
	Corcom, S.A. de C.V.
	Hirschmann Car Communication, S. de R.L. de C.V.
	Kemex Holding Company, S.A. de C.V.
	Potter & Brumfield de Mexico, S.A. de C.V.
	Seacon Global Production, S. de R.L. de C.V.
	TE Sensores, S. de R.L. de C.V.
	Termistores de Tecate, S.A. de C.V.
	Tyco Electronics Mexico, S. de R.L. de C.V.
	Tyco Electronics Tecnologias S. de R.L. de C.V.
	Tyco Submarine Systems, S.A. de C.V.
Morocco	TE Connectivity Morocco SARL
Netherlands	KLAY-Instruments BV (71.90%)
	TE Connectivity Nederland B.V.
New Zealand	Tyco Electronics NZ Limited
Nigeria	TE Connectivity Technology Solutions Limited
Norway	Precision Subsea AS
	TE Connectivity Norge AS
Paraguay	TE Connectivity Paraguay S.R.L.
Peru	TE Connectivity Peru S.A.C.
Philippines	TE Connectivity Manufacturing Philippines Inc.
	Tyco Electronics Philippines, Inc.
Poland	TE Connectivity Industrial Poland sp. z o.o.
	TE Connectivity Poland Services sp. z o.o.
	TYCO Electronics Polska Sp.z.o.o.
Portugal	Tyco Electronics Componentes Electromecanicos Lda.
Romania	TE Connectivity Sensor Solutions S.R.L.
Russia	Tyco Electronics RUS Limited Liability Company

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Saudi Arabia	Tyco Electronics Saudi Arabia Limited
Singapore	Creganna Medical Pte. Limited
	ERNI Asia Holding Pte. Ltd.
	Tyco Electronics Singapore Pte Ltd
Slovakia	Kissling Invest Slovensko s.r.o. “in liquidation”
	TE Connectivity Slovakia s.r.o.
South Africa	TE Connectivity South Africa Proprietary Limited
South Korea	Advanced Tube Technologies, Ltd. (50%)
	ERNI Electronics Korea LLC
	Tyco Electronics AMP Korea Co., Ltd.
	Tyco Electronics Raychem Korea Limited
Spain	microLIQUID, S.L.
	TE Connectivity Spain S.L.U.
	Tyco Iberia, S.L.
	Tyco Networks Iberica, S.L.
Sweden	First Sensor Scandinavia AB (71.90%)
	TE Connectivity Svenska AB
Switzerland	ERNI Electronics AG
	ERNI Finance AG
	ERNI Group AG
	ERNI International AG
	Jaquet Technology Group AG
	TE Connectivity Atlantic Switzerland GmbH
	TE Connectivity Finance Alpha II GmbH
	TE Connectivity Holding GmbH
	TE Connectivity Holding International II S.a r.l., Luxembourg (LU), Schaffhausen branch
	TE Connectivity Holding International II S.a r.l., Luxembourg (LU), Schaffhausen E-Finance branch
	TE Connectivity Ltd.
	TE Connectivity MOG Sales GmbH
	TE Connectivity Services GmbH
	TE Connectivity Solutions GmbH
	Tyco Electronics Finance Alpha GmbH
	Tyco Electronics (Schweiz) Holding II GmbH
	Tyco International Services GmbH (49.9375%)
Taiwan	Tyco Electronics Holdings (Bermuda) No. 7 Limited, Taiwan Branch
Thailand	ERNI Electronics (Thailand) Co., Ltd.
	TE Connectivity Distribution (Thailand) Limited
	TE Connectivity Manufacturing (Thailand) Company Limited
	Wema Environmental Technologies Ltd.
Tunisia	TE Connectivity Tunisia Sarl
Turkey	Tyco Elektronik AMP Ticaret Limited Sirketi
Ukraine	Tyco Electronics Ukraine Limited

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United Arab Emirates	Tyco Electronics Middle East FZE
United Kingdom	ADC Communications (UK) Ltd.
	Advanced Fiber Products Limited
	Critchley Group Limited
	First Sensor Technics Limited (71.90%)
	Polamco Limited
	Seacon (Europe) Limited
	TE Connectivity Limited
	Tyco Electronics Corby Limited
	Tyco Electronics Motors Ltd
	Tyco Electronics Precision Engineering Ltd.
	Tyco Electronics UK Holdings Ltd
	Tyco Electronics UK Ltd.
United States	999 Arques Corp. (37.5%)
	AdvancedCath Technologies, LLC
	Brantner and Associates, Inc.
	Brantner Holding LLC
	Codenoll Technology Corporation (73.99%)
	Creganna Medical Devices, Inc.
	DRI Relays Inc.
	ERNI Electronics, Inc.
	ERNI Holdings America, Inc.
	ERNI Production Virginia, Inc.
	ERNI Realty, Inc.
	First Sensor, Inc.
	Foundry Medical Innovations, Inc.
	Hirschmann Car Communication, Inc.
	Howard A. Schaevitz Technologies, Inc.
	LADD Distribution LLC
	Laird Connectivity Holdings LLC
	Measurement Specialties, Inc.
	MicroGroup, Inc.
	Precision Interconnect LLC
	Precision Wire Components, LLC
	Raychem International
	Raychem International Manufacturing LLC
	TacPro, LLC
	TE Connectivity Corporation
	TE Connectivity MOG LLC
	TE Connectivity US Group Holding II Inc.
	TE Connectivity US Group Holding Inc.
	TE Connectivity (US) Holding LLC
	The Whitaker LLC
	Tyco Electronics Latin America Holding LLC
	Tyco Electronics RIMC Holding LLC
	Wema Americas LLC
	Wi Inc.
Venezuela	AMP de Venezuela, C.A.
	Tyco Electronics de Venezuela, C.A.
Vietnam	TE Connectivity Vietnam Holding Company Limited

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