2908-05WB-MG

3
Interconnect Solutions
http://www.3M.com/interconnects/
3M is a trademark of 3M Company.
For technical, sales or ordering information call
800-225-5373
3M Card Connector microSD
Normal Polarization, Push-Push, Surfacemount 2900 Series
Physical
Electrical
Environmental
*"RoHS compliant" means that the product or part does not contain any of the following substances in excess of the following maximum concentration values
in any homogeneous material, unless the substance is in an application that is exempt under RoHS: (a) 0.1% (by weight) for lead, mercury, hexavalent
chromium, polybrominated biphenyls or polybrominated diphenyl ethers; or (b) 0.01% (by weight) for cadmium. Unless otherwise stated by 3M in writing,
this information represents 3M's knowledge and belief based upon information provided by third party suppliers to 3M.
microSD is a trademark of SD Association in Japan.
Insulation Material:
High Temperature Thermoplastic
Flammability:
UL 94V-0
Color:
Black
Contact Material:
Copper Alloy
Plating
Underplating:
50 μ″ [ 1.27 μm ] min. Nickel
Wiping Area:
15 μ″ [ 0.38 μm ] min. Gold
Termination Area:
3 μ″ [ 0.076 μm ] max. Gold flash
Cover Material:
Stainless Steel
Underplating:
40 μ″ [ 1.02 μm ] min. Nickel
Solder Area:
Gold flash
Lock Pin and Link Pin Material:
Stainless Steel
Spring Material:
Copper Alloy
Plating:
30 μ″ [ 0.762 μm ] min. Nickel
Marking:
3M Logo
Current Rating:
0.5 A
Insulation Resistance:
100 ΜΩ min.
Withstanding Voltage:
500 VAC for one minute
Operating Temperature:
-25°C to +85°C
Storage Temperature:
-40°C to +85°C
Process Rating:
Maximum 250°C, with 40 seconds over 230°C
TS-2197-02
Sheet 1 of 3
1.85 mm low profile height
Small size of 14.0 mm × 14.2 mm footprint
Smooth push–push eject mechanism
Card is retained when mated
Card polarization
Will accept a card thickness of 0.8 mm
Mechanism prevents card from flying out upon
ejection
Card detection indicator
Metal–shielded cover
microSD™ specification compliant
RoHS* compliant
Date Modified: October 31, 2006
3
Interconnect Solutions
http://www.3M.com/interconnects/
3M is a trademark of 3M Company.
For technical, sales or ordering information call
800-225-5373
3M Card Connector microSD
Normal Polarization, Push-Push, Surfacemount 2900 Series
TS-2197-02
Sheet 2 of 3
.0 .00 .000
mm ±.25 ±.15 ±.05
mm
[Inch]
Tolerance Unless Noted
[ ] Dimensions for Reference
Only
Notes:
* Card fully ejected position
** Card in locked position
*** Card fully pushed in
C
L
14.00
[0.551]
0.70
[0.028]
* * *
REF1.60
[0.063] * *
REF5.40
[0.213] *
14.20
[0.559]
15.20
[0.598]
1.85
[0.073]
5.74
[0.226]
1.24
[0.049]
7XPITCH 1.10
[0.043]
7.70
[0.303]
1.45
[0.057]
7.15
[0.282]
2X 1.20
[0.047]
2X0.60
[0.024]
FLAT
AREA
REF
12.90
[0.508]
1.30
[0.051]
0.85
[0.033]
0.60
[0.024]
FLAT
AREA
8X0.35
[0.014]
0.60
[0.024]
FLAT
AREA
8X
0.80
[0.03]
REF
13.90
[0.547]
1.30
[0.051]
CARD INSERTED
WITHOUT CARD
PAD NO. 2
(CARD)
CIRCUIT SCHEMATIC
CARD DETECT INDICATION
(PIN NO. 2)
(PIN NO. 2)
PAD NO. 2
(CARD)
TOP SIDE VIEW
BOTTOM SIDE VIEW
3
Interconnect Solutions
http://www.3M.com/interconnects/
3M is a trademark of 3M Company.
For technical, sales or ordering information call
800-225-5373
3M Card Connector microSD
Normal Polarization, Push-Push, Surfacemount 2900 Series
RECOMMENDED
PCB PATTERN LAYOUT ± 0.05 [0.002]
12.90
[0.508]
1.90
[0.075]
12.60
[0.496]
1.90
[0.075]
8X1.50
[0.059]
7.70
[0.303]
13.60
[0.535]
1.10
[0.043]
1.40
[0.055]
1.80
[0.071]
6.85
[0.270]
1.80
[0.071]
1.15
[0.045]
1.40
[0.055]
8X0.80
[0.032]
0.20
[0.008]
2X
1.10
[0.043] PITCH
0.40
[0.016]
1.24±0.03
[0.049±0.001]
0.60
[0.024]
1.40
[0.055]
0.25
[0.010]
5X1.15
[0.045]
#1
#2
#3 #4
#5
#6
#7
#8
PATTERN
PROHIBITION
AREA
TS-2197-02
Sheet 3 of 3
Ordering Information
29 - XX - X X XX - XX
Packing Options:
WB = 24 mm Tape and Reel
Ejection Type:
0 = Push-Push
2900 Series:
Plating Suffix:
MG = 15 µ" min. Au on contact
Au Flash on Tail (50 µ" Ni min. underplating) (RoHS* compliant)
Contact Count = 08
Card Polarization, Ejection Type, Overall Heght
5 = Normal, Spring-loaded Push Eject, 1.85 mm Height

2908-05WB-MG

Mfr. #:
Manufacturer:
3M
Description:
Memory Connectors Memory Card Connectors MICROSD 8P P/P SMT POLARIZED
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

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