Memory Card Sockets: Dashcam, POS & Data Logger

In a dashcam, POS terminal or data logger the memory card is a consumable and the socket is not — so the initial filter is the durability class, not the price. KINGCONN publishes 5,000 and 10,000 cycle classes across 19 microSD models and 15 full-size SD models; anything the end user touches should be specified at 10,000.

What each application actually needs

Application	How the card is handled	Specify	The trap
Dashcam	the user pulls the card for every incident	10,000 cycles + push-push + card detect	heat: a car interior runs far above room temperature
POS / till	configuration card changed rarely, machine never stops	10,000 cycles + push-lock	the card must not walk out
Industrial data logger	field staff swap cards wearing gloves	10,000 cycles + push-push	ejection needs a positive feel
Industrial / vision camera	card rarely moves but write volume is high	5,000 cycles is enough	the issue is bus generation and signal integrity

Push-push plus card detect

Push-push latching needs no ejector-lever clearance and works with gloves on. A card-detect switch lets firmware log "card removed" rather than "card failed" — in a dashcam that difference is the warranty conversation. The switch changes the terminal count, so decide it before layout.

Height options for slim housings

microSD profiles run 1.15mm to 1.68mm; full-size SD is 2.85mm and 2.95mm. For the newer media see the SD Express socket guide, and for the mechanism comparison see SD card socket types.

Sockets for user-swapped media

7MSDP-B0-2210microSD 10u" Push-Push Connector with post

7MSDP-F0-0029Micro SD Push Socket Internally Soldered with Detect Pin

7MSDP-F0-0030MICRO SD PUSH H:1.5mm

7MSDP-F0-0036Micro SD H1.45mm Push-Push Card Socket

7SDCN-F0-1012SD PUSH H:2.85mm

7SDCN-F0-0019SD PUSH LOCK CONN

7SDCN-F0-0026SD CONN REVERSE TYPE PUSH PUSH

7SDCN-F0-0033SD CONN REVERSE H:2.95mm

microSD and full-size SD sockets suited to user-swapped media: push-push, card detect, push-lock and reverse types.

Verification and RFQ

Every specification value on a part page carries its source drawing number. Browse Micro SD and SD, or send your durability class and height limit to service@kingconn.com.tw.

FAQ

What should a dashcam memory card socket specify?

Specify the 10,000-cycle class, a push-push mechanism and a card-detect switch, and check the operating temperature covers a hot car interior. The card is a consumable; the socket is not — it has to outlive many cards.

Why does card detect matter so much in a dashcam?

With card detect, firmware can tell "card removed" from "card failed". After an incident that distinction is the difference in a warranty or liability conversation; without the switch the recorder only knows it cannot read.

Is a POS socket the same as a dashcam socket?

The durability class is the same, but the mechanism is often push-lock instead: a till never stops, and the card must not be knocked out. A dashcam is the opposite — the user wants a fast one-handed eject.

What actually fails in a card socket?

3 things: mating cycles beyond the rated class, contacts scraped by a card inserted at an angle, and solder joints torn by side load. The first 2 are solved by durability class and mechanism, the third by choosing a part with locating bosses or through-hole legs.

microSD or full-size SD?

It depends on the user. Full-size SD is easier to handle with gloves and harder to drop, which suits vehicle and industrial use; microSD saves board area and enclosure height in slim devices. KINGCONN publishes both (19 microSD models, 15 SD models).