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BAS70 / 04 / 05 / 06
70mA Surface Mount Small Signal Diodes
Features
Low current rectification and high speed switching.
• Small surface mount type.
Up to 70mA current capability.
Low forward voltage drop (VF = 1.00V typ. @15mA)
Silicon epitaxial planar chip, metal silicon junction.
High speed ( trr < 5 ns )
Suffix "G" indicates Halogen-free part, ex.BAS70G.
Lead-free parts for green partner, exceeds environmental
standards of MIL-STD-19500 /228
Mechanical data
Epoxy:UL94-V0 rated flame retardant
Case : Molded plastic, SOT-23
Terminals : Solder plated, solderable per
MIL-STD-750, Method 2026
Mounting Position : Any
Weight : Approximated 0.008 gram
Outline
SOT-23
C
0.020 (0.50)
0.015 (0.37)
C
Marking code
0.040 (1.02)
0.035 (0.89)
AB
.081(2.04)
.070(1.78)
0.120 (3.04)
0.110 (2.80)
BAS70
AB
C
BAS70-06
AB
C
BAS70-05
AB
C
0.044 (1.11)
0.035 (0.89)
BAS70-04
AB
Dimensions in inches and (millimeters)
Maximum ratings and electrical characteristics
Rating at 25OC ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
Characteristic
Symbol BAS70 BAS70-04 BAS70-05 BAS70-06
Marking code
73, BE
74, CG
75, EH
76, GK
Peak Repetitive Reverse Voltage
Work Peak Reverse Voltage
DC Reverse Voltage
RMS Reverse Voltage
Forward Continuous Current(1)
Non-Repetitive Peak Forward Surge Current
Power Dissipation(1)
Thermal Resistance Junction to Ambient Air
Junction and Storage Temperature
@tp < 1.0s
VRRM
VRRM
VR
VR(RMS)
I F ( AV)
IFSM
PD
RθJA
TJ , TSTG
70
49
70
100
200
625
-65 ~ +150
UNIT
V
mAdc
mAdc
mW
OC/W
OC
Characteristic
Reverse Breakdown Voltage
I(BR) = 10uAdc
Reverse Voltage Leakage Current
VR = 50Vdc
Total Capacitance
VR = 0, f = 1.0MHz
Forward Voltage
Reverse Recovery Time
IF = 1.0mAdc
IF = 15mAdc
IF = IR = 10mAdc, VR = 5.0Vdc, IR(REC) = 1.0mAdc, RL = 100Ω
NOTE: 1.Valid provided that terminals are kept at ambient temperature.
2.Test period < 300us.
Symbol
V(BR)
IR
CD
VF
trr
1
MIN.
70
MAX.
0.1
2.0
410
1000
5.0
UNIT
Vdc
uAdc
pF
mVdc
nS
Document ID : DS-22K1U
Issued Date : 2010/05/05
Revised Date : 2012/05/31
Revision : C

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Rating and characteristic curves
BAS70 / 04 / 05 / 06
70mA Surface Mount Small Signal Diodes
FIG.1-TYPICAL FORWARD
CHARACTERISTICS
100
10 125OC
85OC
1.0
-40OC
0.1 25OC
0.01
0
0.2 0.4
0.6
FORWARD VOLTAGE,(V)
0.8
100
10
1.0
0.1
0.01
0.001
1.0 0
FIG.3 - TYPICAL REVERSE
CHARACTERISTICS
125OC
85OC
25OC
20 40
60
REVERSE VOLTAGE
80
FIG.3-DIFFERENTIAL FORWARD RESISTANCE AS
A FUNCTION OF FORWARD CURRENT
1000
f = 10KHz
100
10
FIG.4 - DIODE CAPACITANCE AS
A FUNCTION OF REVERSE VOLTAGE
2
f = 1KHz
TA = 25OC
1.5
1
0.5
1
0.1
1 10
FORWARD CURRENT,(mA)
0
100 0
20 40
60
REVERSE VOLTAGE
80
Notes:
2
Document ID : DS-22K1U
Issued Date : 2010/05/05
Revised Date : 2012/05/31
Revision : C

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BAS70 / 04 / 05 / 06
70mA Surface Mount Small Signal Diodes
SOT-23 foot print
A
B
C
D
E
ABCDE
0.037 (0.95) 0.037 (0.95) 0.035 (0.90) 0.031 (0.80) 0.079 (2.00)
Dimensions in inches and (millimeters)
CITC reserves the right to make changes to this document and its products and specifications at any
time without notice.
Customers should obtain and confirm the latest product information and specifications before final
design, purchase or use.
CITC makes no warranty, representation or guarantee regarding the suitability of its products for any
particular purpose, nor does CITC assume any liability for application assistance or customer product
design.
CITC does not warrant or accept any liability with products which are purchased or used for any
unintended or unauthorized application.
No license is granted by implication or otherwise under any intellectual property rights of CITC.
CITC products are not authorized for use as critical components in life support devices or systems
without express written approval of CITC.
http://www.citcorp.com.tw/
Tel:886-3-5600628
Fax:886-3-5600636
Add:Rm. 3, 2F., No.32, Taiyuan St., Zhubei City, Hsinchu County 302, Taiwan (R.O.C.)
3
Document ID : DS-22K1U
Issued Date : 2010/05/05
Revised Date : 2012/05/31
Revision : C