CAT. NO. 4725 Complete Mounting Kit
• COMPLETE KITS OR INDIVIDUAL HARDWARE • PRE PACKAGED • UNIFORM HARDWARE AT LOW COST
These pre-packaged universal mounting kits provide all the necessary
hardware and insulators required to securely mount the semiconductor
to the chassis. Purchase the complete kit consisting of all hardware
included in one package.
Your choice of individual items available in 100 piece packages. We
welcome suggestions for improving these kits and will render prompt
quotations for specially packaged hardware.
Keystone does not supply any semiconductors.
ORDERING INFORMATION: Individual parts are sold in not less than 100 pieces of an item. Complete kits are ordered by specifying
the complete mounting kit catalog number.
FOR TO-3 CASE
FIG. 1
Item
A
B
C
D
E
F
G
Cat. No.
4696
4651
4698
4699
4004
4700
4701
Description
6-32 Screws
Mica Insulator
Shoulder Washers
Metal Washers
Solder Terminal
Lockwashers
6-32 Nuts
Quan
2
1
2
2
1
2
2
FOR TO-36 CASE
FIG. 2
Item
A
B
C
D
E
Cat. No.
4656
4702
4703
4704
4705
Description
Mica Insulator
Shoulder Washer
Metal Washers
Solder Terminal
10-32 Nuts
Quan
1
1
1
1
1
CAT. NO. 4727 Complete Mounting Kit
FIG. 3
FOR DO-4, TO -59, TO-60,
TO-62 CASE
Item
A
B
C
D
E
Cat. No.
4681
4702
4704
1477
4705
Description
Mica Insulator
Shoulder Washer
Solder Terminal
Lockwasher
10-32 Nuts
Quan
1
1
1
1
1
FIG. 3
FOR DO-5, TO-48,
TO-61 CASE
Item
A
B
C
D
E
Cat. No.
4682
4711
4712
1476
4713
Description
Mica Insulator
Shoulder Washer
Solder Terminal
Lockwasher
1/4-28 Nuts
Quan
1
1
1
1
1
Item
A
B
C
E
G
Cat. No.
4690
4672
3049
4693
4694
Description
4-40 Screws
Mica Insulator
Shoulder Washer
Lockwasher
4-40 Nuts
Quan
1
1
1
1
1
CAT. NO. 4729 Complete Mounting Kit CAT. NO. 4730 Complete Mounting Kit CAT. NO. 4724 Complete Mounting Kit CAT. NO. 4731 Complete Mounting Kit
FOR TO-220 CASE
FIG. 4
Item
A
B
D
E
Cat. No.
4683
3241
1485
4716
Description
Mica Insulator
Shoulder Washer
Lockwasher
5/16-24 Nuts
Quan
1
1
1
1
FOR TO-63 CASE
FIG. 3
CAT. NO. 4728 Complete Mounting Kit
Item
A
B
C
D
E
F
G
Cat. No.
4683
4663
343
4692
4693
4695
4694
Description
4-40 Screws
Mica Insulator
Shoulder Washers
Metal Washers
Lockwashers
Solder Terminal
4-40 Nut
Quan
2
1
2
2
2
2
2
FOR PLASTIC CASE
FIG. 4
CAT. NO. 4726Complete Mounting Kit
FOR TO-66 CASE
FIG. 1
Item
A
B
C
D
E
F
G
Cat. No.
4696
4666
4698
4699
4004
4700
4701
Description
6-32 Screws
Mica Insulator
Shoulder Washers
Metal Washers
Solder Terminal
Lockwashers
6-32 Nuts
Quan
2
1
2
2
1
2
2
POWER TRANSISTOR COVERS
FOR TO-3 CASES
FOR TO-66 CASES
Molded nylon covers easily mount over and insulate the power transistor.
Will withstand temperatures to approx. 300 ˚F.
Available with or without brass eyelets installed in mounting holes to
assure proper electrical contact with collector/case.
CAT. NO.
4632
4634
4633
4635
FOR
TO-3
TO-3
TO-66
TO-66
EYELETS
INSTALLED
NONE
TWO
NONE
TWO
I.D.
"A"
.210
.140
.155
.130
31-07 20th Road • Astoria, New York 11105-2017 • (718) 956-8900 • FAX (718) 956-9040
e-mail: kec@keyelco.com • WebSite: keyelco.com
