11/10/00
Dimensions in inches and (millimeters)
.016 (0.4)
.056 (
1
.43
)
.037(0.95) .037(0.95)
ma
x
.
.004
(
0.1
)
.122 (3.1)
.016 (0.4) .016 (0.4)
1 2
3
Top View
.102 (2.6)
.007 (
0
.17
5)
.0
45 (
1
.15)
.110 (2.8)
.052 (
1
.33
)
.005
(
0
.1
25)
.094 (2.4)
.0
37 (
0
.95)

TO-236AB (SOT-23)
BCX70 Series
Small Signal Transistor (NPN)
Features
• NPN Silicon Epitaxial Planar Transistors for
switching and AF amplifier applications.
• Suited for low level, low noise, low frequency
applications in hybrid circuits.
• Low current, low voltage.
• As complementary types, BCX71 Series PNP
transistors are recommended.
Dimensions in inches and (millimeters)
Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified.
Parameter Symbol Value Unit
Collector-Base Voltage VCBO 45 V
Collector-Emitter Voltage VCEO 45 V
Emitter-Base Voltage VEBO 5.0 V
Collector Current IC 200 mA
Peak Base Current IB 50 mA
Power Dissipation Ptot 250 mW
Thermal Resistance Junction to Ambient Air RQ JA 500
(1)
°C/W
Junction Temperature Tj 150 C
Storage Temperature Range TS –65 to +150 C
Note: (1) Mounted on FR-4 printed-circuit board.
Mechanical Data
Case: SOT-23 Plastic Package
Weight: approx. 0.008g
Marking BCX70G = AG
Code: BCX70H = AH
BCX70J = AJ
BCX70K = AK
Packaging Codes/Options:
E8/10K per 13” reel (8mm tape), 30K/box
E9/3K per 7” reel (8mm tape), 30K/box
New Product
Pin Configuration
1 = Base 2 = Emitter
3 = Collector
0.079 (2.0)
0.037 (0.95)
0.035 (0.9)
0.031 (0.8)
0.037 (0.95)
Mounting Pad Layout