SIST EN IEC 61837-2:2018/A2:2026
(Amendment)Surface mounted piezoelectric devices for frequency control and selection - Standard outlines and terminal lead connections - Part 2: Ceramic enclosures (IEC 61837-2:2018/AMD2:2026)
General Information
- Abstract
- Status
- Published
- Public Enquiry End Date
- 26-Feb-2026
- Publication Date
- 26-Aug-2026
- Technical Committee
- I11 - Imaginarni 11
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 18-Aug-2026
- Due Date
- 23-Oct-2026
- Completion Date
- 27-Aug-2026
Overview
SIST EN IEC 61837-2:2018/A2:2026 is an important amendment to the international standard defining the outlines and terminal lead connections for surface mounted piezoelectric devices used in frequency control and selection. Part 2 of this standard specifically addresses ceramic enclosures, which are widely used in electronic component manufacturing. This amendment introduces updates to the designation of enclosures, adds detailed data sheets for new package types, and further clarifies terminal land connections for consistency across the industry.
Key Topics
- Surface Mounted Piezoelectric Devices: Establishes standard package outlines and lead connection configurations for SMD piezoelectric units, ensuring interchangeability and reliability.
- Ceramic Enclosures: Focuses on welded, leadless ceramic packages suitable for mounting on printed circuit boards, reflecting modern manufacturing practices.
- Updated Designations: Incorporates new enclosure types, updating reference tables to improve component selection and design.
- Terminal Lead Connections: Specifies standard terminal land patterns for various device types (e.g., crystal units, oscillators, filters, SAW devices) to aid designers in accurate PCB layout and assembly.
- Dimensional Reference: Provides precise measurements and tolerances for each ceramic SMD package, supporting accurate and uniform assembly in automated production lines.
Applications
This standard is highly relevant for sectors where reliable frequency control elements are essential, such as:
- Consumer Electronics: Used in smartphones, wearables, and IoT devices due to the compact size and robust performance of SMD piezoelectric devices.
- Telecommunications: Ensures stable signal processing and filtering in network infrastructure and wireless communications.
- Automotive Electronics: Critical for control modules and in-vehicle communication systems where vibration resistance and size constraints are significant.
- Industrial Controls: Implements standard package outlines for crystal oscillators and filters in automation, instrumentation, and sensor systems.
- Medical Devices: Ceramic packages provide durability and miniaturization required in implantable and portable medical technology.
By specifying dimensions and terminal connections, the standard simplifies sourcing and integration by supporting multi-vendor compatibility and streamlined production workflows.
Related Standards
For organizations or engineers seeking comprehensive coverage in frequency control component standardization, consider referencing these standards alongside SIST EN IEC 61837-2:2018/A2:2026:
- IEC 61837 Series: Covers outlines and connections for a wide range of electronic enclosure types, not limited to ceramic.
- IEC TC49 Standards: Addresses piezoelectric, dielectric, and electrostatic devices for frequency control, selection, and detection applications.
- EN IEC 61837-2:2018: The parent document, providing foundational requirements for ceramic surface mounted enclosures.
- ISO/IEC Directives: Outlines best practices for standards development and harmonization, supporting global compliance.
Practical Value
Adopting the updated SIST EN IEC 61837-2:2018/A2:2026 standard benefits manufacturers and designers by:
- Enabling Interchangeability: Standardized enclosures allow flexible component replacement and foster a competitive supply chain.
- Ensuring Consistency: Defined lead connections and package dimensions align worldwide practices, reducing errors in PCB design and assembly.
- Facilitating Compliance: Following international standards streamlines certification and market access for electronic products.
By ensuring uniformity in ceramic SMD package outlines and connections, this amendment strengthens reliability, promotes global trade, and underpins the seamless integration of frequency control components in modern electronics.
Relations
- Effective Date
- 01-Oct-2026
Frequently Asked Questions
SIST EN IEC 61837-2:2018/A2:2026 is a amendment published by the Slovenian Institute for Standardization (SIST). Its full title is "Surface mounted piezoelectric devices for frequency control and selection - Standard outlines and terminal lead connections - Part 2: Ceramic enclosures (IEC 61837-2:2018/AMD2:2026)". This standard covers: Surface mounted piezoelectric devices for frequency control and selection - Standard outlines and terminal lead connections - Part 2: Ceramic enclosures (IEC 61837-2:2018/AMD2:2026)
Surface mounted piezoelectric devices for frequency control and selection - Standard outlines and terminal lead connections - Part 2: Ceramic enclosures (IEC 61837-2:2018/AMD2:2026)
SIST EN IEC 61837-2:2018/A2:2026 is classified under the following ICS (International Classification for Standards) categories: 31.140 - Piezoelectric devices. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN IEC 61837-2:2018/A2:2026 has the following relationships with other standards: It is inter standard links to SIST EN IEC 61837-2:2018. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
SIST EN IEC 61837-2:2018/A2:2026 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-oktober-2026
Površinsko nameščeni piezoelektrični elementi za krmiljenje in izbiranje
(filtriranje) frekvenc - Standardne mere in priključni kontakti - 2. del: Keramični
okrovi - Dopolnilo A2 (IEC 61837-2:2018/AMD2:2026)
Surface mounted piezoelectric devices for frequency control and selection - Standard
outlines and terminal lead connections - Part 2: Ceramic enclosures (IEC 61837-
2:2018/AMD2:2026)
Oberflächenmontierbare piezoelektrische Bauteile zur Frequenzstabilisierung und -
selektion - Norm-Gehäusemaße und Anschlüsse - Teil 2: Keramikgehäuse (IEC 61837-
2:2018/AMD2:2026)
Dispositifs piézoélectriques à montage en surface pour la commande et le choix de la
fréquence - Encombrements normalisés et connexions des sorties - Partie 2:
Enveloppes en céramique (IEC 61837-2:2018/AMD2:2026)
Ta slovenski standard je istoveten z: EN IEC 61837-2:2018/A2:2026
ICS:
31.140 Piezoelektrične naprave Piezoelectric devices
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN IEC 61837-2:2018/A2
NORME EUROPÉENNE
EUROPÄISCHE NORM August 2026
ICS 31.140
English Version
Surface mounted piezoelectric devices for frequency control and
selection - Standard outlines and terminal lead connections -
Part 2: Ceramic enclosures
(IEC 61837-2:2018/AMD2:2026)
Dispositifs piézoélectriques à montage en surface pour la Oberflächenmontierbare piezoelektrische Bauteile zur
commande et le choix de la fréquence - Encombrements Frequenzstabilisierung und -selektion - Norm-
normalisés et connexions des sorties - Partie 2: Enveloppes Gehäusemaße und Anschlüsse - Teil 2: Keramikgehäuse
en céramique (IEC 61837-2:2018/AMD2:2026)
(IEC 61837-2:2018/AMD2:2026)
This amendment A1 modifies the European Standard EN IEC 61837-2:2018; it was approved by CENELEC on 2026-07-23. CENELEC
members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this amendment the
status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This amendment exists in three official versions (English, French, German). A version in any other language made by translation under the
responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as
the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Türkiye and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2026 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 61837-2:2018/A2:2026 E
European foreword
The text of document 49/1523/CDV, future edition 3 of IEC 61837-2/AMD2, prepared by TC 49
"Piezoelectric, dielectric and electrostatic devices and associated materials for frequency control,
selection and detection" was submitted to the IEC-CENELEC parallel vote and approved by
CENELEC as EN IEC 61837-2:2018/A2:2026.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2027-08-31
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2029-08-31
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national committee. A
complete listing of these bodies can be found on the CENELEC website.
Endorsement notice
The text of the International Standard IEC 61837-2:2018/AMD2:2026 was approved by CENELEC as
a European Standard without any modification.
IEC 61837-2 ®
Edition 3.0 2026-06
INTERNATIONAL
STANDARD
AMENDMENT 2
Surface mounted piezoelectric devices for frequency control and selection -
Standard outlines and terminal lead connections -
Part 2: Ceramic enclosures
ICS 31.140 ISBN 978-2-8327-1254-2
IEC 61837-2:2018-05/AMD2:2026-06(en)
IEC 61837-2/AMD2:2026 © IEC 2026
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
Surface mounted piezoelectric devices for frequency control and
selection -
Standard outlines and terminal lead connections
Part 2: Ceramic enclosures
AMENDMENT 2
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote international
co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and
in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports,
Publicly Available Specifications (PAS) and Guides (hereafter referred to as "IEC Publication(s)"). Their
preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt with
may participate in this preparatory work. International, governmental and non-governmental organizations liaising
with
...