D-Subminiature Straight PCB Tail
M21 Series
PART NUMBER LEGEND
M21X - XXX - XXX - XX
MOUNTING OPTIONS:
01 = .120" Mounting Holes
02 = Riveted, #4-40 clinch nuts
03 = Riveted, #4-40 jack screws
04 = Riveted, #4-40 standoffs with boardlocks
TAIL
02 = .180" PC Tail
03 = .500" Wire Wrap Tail
PROFILE
0 = Standard
1 = High
NUMBER OF POSITIONS
09, 15, 25, 37, 50
CONTACT TYPE
P = Plug
S = Socket
PLATING
S = 5 µin. Gold Nominal
8 = 30 µin. Select Gold Nominal
OPTIONS:
(add as suffix to end of part number)
EMI = Ferrule filtered version for EMI/RFI Suppresion
SPECIFICATIONS:
Material:
Shell: Steel, tin-plated
Insulator: Polybutylene Terephthalate (PBT), glass reinforced
thermoplastic, rated UL 94V-0
Insulator color: Black
Optional color: White
Contacts: Plug - Brass; Socket - Phosphor Bronze
Rivet insert: Brass, nickel-plated
Plating:
Per MIL-G-45204, Type II, Grade C on contact area over 50 µin
nominal nickel underplate to QQ-N-290, Class 2, Grade C, gold
flash on solder-pins
Electrical:
Operation voltage: 250 VDC max
Current rating: 3 Amps max
Contact resistance: 20 mΩ max
Insulation resistance: 3000 MΩ min @ 500 VDC between
adjacent contacts
Dielectric withstanding voltage: 1000 VAC RMS (sea level)
Capacitance: 2 pF max between adjacent contacts
Environmental:
Operating temperature: -55°C to +105°C
MATING OPTIONS:
Mates with Methode D-Sub Series M21 and M23 and all industry
standard D-Subminiature connectors.
ACCESSORIES:
Dustcovers, hardware
PACKAGING:
Anti-static plastic trays available
APPROVALS AND CERTIFICATIONS:
Select parts recognized under the component program
of Underwriters Laboratories, Inc. No. E167232
Certified by Canadian Standards Association No. LR75112
North and South America:
Methode Electronics, Inc. Connector Products
1700 Hicks Road • Rolling Meadows, IL 60008 USA
847-392-3500 • Toll Free: 800-323-6864 • Fax: 847-392-9404
Email: info@methode.com • Web: www.methode.com/connector/index.html
Europe:
Methode Electronics Ireland, Ltd.
Unit H, Crossagalla Business Park, Ballysimon Rd. • Limerick, Ireland
+353 (0) 61 401222 • Fax: +353 (0) 61 401942
Email: info@methode.ie • Web: ireland.methode.com/main.html
Far East:
Methode Electronics Far East, Pte. Ltd.
1 Tuas Lane, Jurong Town • Singapore 638610
65-68615444 • Fax: 65-68614777
Email: sales@methode.com.sg • Web: www.methode.com/mefe/index.html
D-Subminiature Straight PCB Tail
M21 Series
PLUG ASSEMBLY
MOUNTING OPTIONS
02 Option
03 Option
SOCKET ASSEMBLY
04 Option
PC Board Layout
Unit: Inch / mm
Dimensional: Socket Assembly
CONTACTS
9
15
25
37
50
A
.643 (16.33)
.971 (24.66)
1.511 (38.38)
2.159 (54.84)
2.064 (52.43)
B
.984 (24.99)
1.312 (33.32)
1.852 (47.04)
2.500 (63.50)
2.406 (61.11)
C
1.213 (30.81)
1.541 (39.14)
2.088 (53.04)
2.729 (69.32)
2.635 (66.93)
D
.759 (19.28)
1.083 (27.51)
1.625 (41.30)
2.272 (57.71)
2.178 (55.32)
CONTACTS
9
15
25
37
50
A
.666 (16.92)
.994 (25.25)
1.534 (38.96)
2.182 (55.42)
2.079 (52.81)
Dimensional: Plug Assembly
B
.984 (24.99)
1.312 (33.32)
1.852 (47.04)
2.500 (63.50)
2.406 (61.11)
C
1.213 (30.81)
1.541 (39.14)
2.088 (53.04)
2.729 (69.32)
2.635 (66.93)
D
.759 (19.28)
1.083 (27.51)
1.625 (41.30)
2.272 (57.71)
2.178 (55.32)
North and South America:
Methode Electronics, Inc. Connector Products
1700 Hicks Road • Rolling Meadows, IL 60008 USA
847-392-3500 • Toll Free: 800-323-6864 • Fax: 847-392-9404
Email: info@methode.com • Web: www.methode.com/connector/index.html
Europe:
Methode Electronics Ireland, Ltd.
Unit H, Crossagalla Business Park, Ballysimon Rd. • Limerick, Ireland
+353 (0) 61 401222 • Fax: +353 (0) 61 401942
Email: info@methode.ie • Web: ireland.methode.com/main.html
Far East:
Methode Electronics Far East, Pte. Ltd.
1 Tuas Lane, Jurong Town • Singapore 638610
65-68615444 • Fax: 65-68614777
Email: sales@methode.com.sg • Web: www.methode.com/mefe/index.html
