1
SDK CONNECTOR Reverse Type
GND
Connector outline
Write protect switch
1
[GND]
GND
GND GND
Card detection switch 1
[GND]
Write protect switch 2
25.3
22.3
1.3
3.7
Pattern prohibition area
Card detection switch 2
Circuit No.9
Circuit No.1
Circuit No.2
Circuit No.3
Circuit No.4
Circuit No.5
Circuit No.6
Circuit No.7
Circuit No.8
1.2±0.05
3.125
±0.05
3.875±0.05
13.225±0.05
9.925±0.05
8.325±0.05
6.725±0.05
7.075±0.05
9.075±0.05
5.475±0.05
5.5±0.05
11-1.1±0.05
0.9±0.05
14.675±0.05
1.6±0.05 9.7MAX 9.7MAX
4.5±0.05
26.1±0.05
23.1±0.05
1±0.05
2.5±0.1
2.1±0.05
0.8±0.05
1.45±0.05
8.8±0.05
26.1±0.05
30.5MIN
18.2MAX
1.2±0.05
2.5±0.1
1.2±0.05
1.6±0.05
13.225±0.05
14.475±0.05
1±0.05
0.9±0.05
1.2±0.05
13.425±0.05
0.625±0.05
1.875±0.05
This connector is designed for SD Card &
MMC (Multi media card), complying with
the SD Card Association standard, and is
with the switch for Write-protection & Card-
detection. And due to Push-push
mechanism design, its card can be easily
ejected by push-push operation.
Specifications –––––––––––––––––––
• Current rating: 0.5A AC, DC
• Voltage rating: 5V AC, DC
• Temperature range: 25˚C to +85˚C
(including temperature rise in applying
electrical current)
• Recommended PC board thickness: 0.6 to 1.0mm
〔When it is mounted on the FPC,
recommendable reinforcing layer thickness is 0.6mm min.〕
• Contact resistance:
(Signal part) Initial value/30m Ωmax.
After environmental testing/60m Ωmax.
(Switch part) Initial value/100m Ωmax.
After environmental testing/100m Ωmax.
• Insulation resistance: 1,000M Ωmin. at 500V DC
• Withstanding voltage: 500V AC/minute
* Compliant with RoHS.
* Refer to "General Instruction and Notice when using
Terminals and Connectors" at the end of this catalog.
* Contact JST for details.
• Space saving design,
27.1mm(W)
×
30.1mm(D)
×
2.8mm(H)
• The enough amount of card ejection (8.4mm)
• 10,000 mating cycles is guaranteed.
• Prevention of reverse card insertion
PC board layout (viewed from component side) and Assembly layout
2
SDK CONNECTOR
Reverse Type
9.075
7.075
5.475
3.875
1.875 0.625
3.125
5.125
6.725
8.325
9.925
（43.7）［when releasing a card］
(8.4)
29.7
（35.3）［when putting in a card］
（34.3）［when pushing in a card］ 0.4
14.175
27.1
2.8
25.3
8
Card detection switch 2
Card center
Card detection switch 1
Circuit No.9
Circuit No.1
Circuit No.2
Circuit No.3
Circuit No.4
Circuit No.5
Circuit No.6
Circuit No.7
Circuit No.8
SDKR-9BRS-K13-G-TB
Model No. Q’ty / reel
450
Material and Finish
Housing, Guide: Heat resisting resin, UL94V-0
Contact: Copper alloy, nickel-undercoated, selective gold-plated
Card detection switch: Copper alloy, nickel-undercoated, gold-plated
Write protect switch: Copper alloy, nickel-undercoated,
selective gold-plated, selective tin-plated (reflow treatment)
Card lock, Joint rod, Spring: Stainless
Shell: Stainless, nickel-undercoated, selective tin-plated (reflow treatment)
RoHS compliance This product displays (LF)(SN) on a label.
Connector
