28 (4 x 7) Pos PLCC Socket Tin Surface Mount
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8428-21B1-RK-TR

DigiKey Part Number
3M2821B1TR-ND - Tape & Reel (TR)
3M2821B1CT-ND - Cut Tape (CT)
3M2821B1DKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
8428-21B1-RK-TR
Description
CONN SOCKET PLCC 28POS TIN
Customer Reference
Detailed Description
28 (4 x 7) Pos PLCC Socket Tin Surface Mount
Datasheet
 Datasheet
EDA/CAD Models
8428-21B1-RK-TR Models
Product Attributes
Type
Description
Select All
Category
Manufacturer
3M
Series
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Part Status
Last Time Buy
Type
PLCC
Number of Positions or Pins (Grid)
28 (4 x 7)
Pitch - Mating
0.050" (1.27mm)
Contact Finish - Mating
Tin
Contact Finish Thickness - Mating
160.0µin (4.06µm)
Contact Material - Mating
Copper Alloy
Mounting Type
Surface Mount
Features
Closed Frame
Termination
Solder
Pitch - Post
0.050" (1.27mm)
Contact Finish - Post
Tin
Contact Finish Thickness - Post
160.0µin (4.06µm)
Contact Material - Post
Copper Alloy
Housing Material
Polybutylene Terephthalate (PBT), Glass Filled
Operating Temperature
-40°C ~ 105°C
Termination Post Length
0.132" (3.35mm)
Material Flammability Rating
UL94 V-0
Current Rating (Amps)
1 A
Contact Resistance
15mOhm
Base Product Number
Product Questions and Answers

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In-Stock: 2,590
Check for Additional Incoming Stock
Last Time Buy Date: 31/3/2026
All prices are in AUD
Tape & Reel (TR)
QuantityUnit PriceExt Price
450$2.02400$910.80
900$1.92742$1,734.68
1,350$1.87307$2,528.64
2,250$1.80682$4,065.35
3,150$1.76446$5,558.05
4,500$1.72065$7,742.93
Manufacturers Standard Package
Cut Tape (CT)
QuantityUnit PriceExt Price
1$3.12000$3.12
10$2.64800$26.48
25$2.48240$62.06
50$2.36380$118.19
100$2.25080$225.08
Digi-Reel®
QuantityUnit PriceExt Price
1$3.44000$3.44
10$2.99900$29.99
25$2.87160$71.79
50$2.80760$140.38
100$2.67990$267.99
* All Digi-Reel orders will add a $9.50 reeling fee.
Unit Price without GST:$3.12000
Unit Price with GST:$3.43200