Spec. No. : C234A3-A
Issued Date : 2004.03.02
Revised Date : 2004.10.18
Page No. : 4/4
CYStech Electronics Corp.
TO-92 Dimension
Marking:
α2
A
B
1
2
3
BF420
α3
C
E
D
H
G
Style: Pin 1.Emitter 2.Collector 3.Base
α1
I
3-Lead TO-92 Plastic Package
CYStek Package Code: A3
F
*: Typical
Millimeters
Inches
Millimeters
Inches
Min. Max.
DIM
DIM
Min.
Max.
Min.
Max.
4.83
4.83
-
Min.
Max.
0.56
*2.54
*1.27
*5°
*2°
*2°
A
B
C
D
E
F
0.1704 0.1902
0.1704 0.1902
4.33
4.33
12.70
0.36
-
G
H
0.0142 0.0220
0.36
-
-
-
-
-
*0.1000
*0.0500
*5°
-
-
-
-
-
0.5000
-
I
0.0142 0.0220
*0.0500
0.1323 0.1480
0.56
*1.27
3.76
α1
α2
α3
-
*2°
3.36
*2°
Notes: 1.Controlling dimension: millimeters.
2.Maximum lead thickness includes lead finish thickness, and minimum lead thickness is the minimum thickness of base material.
3.If there is any question with packing specification or packing method, please contact your local CYStek sales office.
Material:
• Lead: 42 Alloy ; solder plating
• Mold Compound: Epoxy resin family, flammability solid burning class: UL94V-0
Important Notice:
• All rights are reserved. Reproduction in whole or in part is prohibited without the prior written approval of CYStek.
• CYStek reserves the right to make changes to its products without notice.
• CYStek semiconductor products are not warranted to be suitable for use in Life-Support Applications, or systems.
• CYStek assumes no liability for any consequence of customer product design, infringement of patents, or application assistance.
BF420A3/S
CYStek Product Specification
CYSTEKEC [ CYSTECH ELECTONICS CORP. ]
