# Protective strain relief sleeve Hirose TM21 white for connectors, model 37641.9

**URL:** https://aio.lv/en/product--hirose-376419--11439186
**Data updated:** 2026-02-15 12:36 (EET)
**Category:** Network Equipment Accessories
**Manufacturer:** Hirose
**Manufacturer code:** 37641.9
**EAN:** 4049759137120
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 11.49 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 9.50 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--hirose-376419--11439186

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 22.07.2026 | free |
| Pickup points | 27.07.2026 | 1.99 EUR |
| Courier delivery to door | 27.07.2026 | 4.99 EUR |

## Summary description

Hirose TM21 protective strain relief sleeve (model 37641.9) in white by EFB-Elektronik is an accessory for connector cable assemblies. It provides strain relief and basic mechanical protection at the cable-to-connector transition, helping to reduce stress on solder joints and wires. Suitable for use in cabling, equipment wiring and network installations where improved durability and cable routing are needed.

## Long description

The Hirose TM21 protective strain relief sleeve (white) is an accessory designed for connector cable assemblies to reinforce the cable-to-connector transition. Made to fit TM21 series connectors, this sleeve reduces mechanical stress on solder joints and conductor exits, providing basic protection against bending, pulling and abrasion at the connection point. Its compact form factor and neutral white color make it suitable for equipment wiring, cabling runs and network installations where tidy routing and added durability are required.
Advantages
This protective strain relief sleeve improves mechanical durability at the connector interface by redistributing flex and tension away from soldered joints and wire terminations. The sleeve assists in maintaining reliable electrical contact by lowering the likelihood of conductor fatigue or breakage caused by repeated movement. Its slim profile allows installation in confined spaces without significantly increasing connector footprint, and the white finish blends with light-coloured cables and panel layouts.
Suitable for
 Reinforcing cable-to-connector transitions in equipment wiring
 Network patch panels and cabling runs requiring strain relief
 Repair or refurbishment of assemblies to extend service life
 Applications with limited space where low-profile protection is needed
Key specifications
 Function: mechanical strain relief and basic abrasion protection at connector interface
 Compatibility: designed for TM21 series connector assemblies
 Color: white
 Form factor: low-profile sleeve for confined mounting areas
 Material characteristics: flexible insulating material suitable for cable routing
How to use
Slide the sleeve onto the cable before terminating or mating the connector, positioning it so the wider end covers the cable exit at the connector body. After soldering or crimping the conductor terminations and assembling the connector, push the sleeve forward until it seats against the connector housing to provide a smooth transition. Ensure the sleeve does not interfere with connector locking features or mating faces; trim excess cable jacket if necessary to achieve a secure fit.
Usage recommendations
For best results, select the sleeve size and material compatible with the cable diameter and operating environment. Avoid exposing the sleeve to excessive solvents or temperatures beyond typical equipment operating ranges. Inspect assemblies periodically for signs of wear at high-movement points and replace the sleeve if cracking or persistent deformation is observed.

## FAQ

### How much does the Hirose TM21 protective strain relief sleeve 37641.9 cost, and is it available for purchase?

The price is 11.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 509 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 22.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Hirose products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Hirose service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11439186/66079121_large.webp