BAS21 / A / C / S
225mW SMD Switching Diode
Small Signal Diode
Surface device type mounting
Moisture sensitivity level 1
Matte Tin(Sn) lead finish with Nickel(Ni) underplate
Pb free version and RoHS compliant
Min Max Min Max
Case :SOT-23 small outline plastic package 2.80 3.00 0.110 0.118
1.20 1.40 0.047 0.055
0.30 0.50 0.012 0.020
1.80 2.00 0.071 0.079
2.25 2.55 0.089 0.100
0.90 1.20 0.035 0.043
Package Packing Marking
SOT-23 3K / 7" Reel JS
SOT-23 3K / 7" Reel JS2
SOT-23 3K / 7" Reel JS3
SOT-23 3K / 7" Reel JS4
SOT-23 3K / 7" Reel JS
SOT-23 3K / 7" Reel JS2
SOT-23 3K / 7" Reel JS3
SOT-23 3K / 7" Reel JS4
Maximum Ratings
Notes:1. Test Condition : 8.3ms Single half Sine-Wave Superimposed on Rated Load (JEDEC Method) Pulse Width=1 μsec
Notes:2. Valid provided that electrodes are kept at ambient temperature
°C
V
-55 to + 150
625
1
500
mA
Terminal: Matte tin plated, lead free., solderable
per MIL-STD-202, Method 208 guaranteed
Fast switching speed
Unit (mm)
Dimensions
Green compound (Halogen free) with suffix "G" on
packing code and prefix "G" on date code
B
C
Features
Mechanical Data Unit (inch)
A
D
E
F
Maximum Ratings and Electrical Characteristics
High temperature soldering guaranteed: 260°C/10s
Weight : 0.008gram (approximately)
G
Pin Configuration
Ordering Information
Part No.
Marking Code : JS,JS2,JS3,JS4
Power Dissipation
0.550 REF 0.022 REF
PD225
Suggested PAD Layou
t
BAS21C RFG
BAS21 RF
BAS21A RF
Repetitive Peak Forward Current IFRM
Mean Forward Current IO
Non-Repetitive Peak Forward Surge Current (Note 1)
Units
mW
250
200
mA
SymbolType Number Value
VRRM
SOT-23
Junction and Storage Temperature Range TJ, TSTG
IFSM A
Thermal Resistance (Junction to Ambient) (Note 2) RθJA °C/W
BAS21C RF
BAS21S RF
BAS21S RFG
Repetitive Peak Reverse Voltage
BAS21 RFG
BAS21A RFG
Rating at 25°C ambient temperature unless otherwise specified.
BAS21 BAS21SBAS21CBAS21A
B
A
C
D
2.0
0.079
0.95
0.037
0.9
0.035
0.8
0.031
F
E
G
Version : C10
BAS21 / A / C / S
225mW SMD Switching Diode
Small Signal Diode
Electrical Characteristics
Electrical Characteristics
IR=
IF=
IF=
Reverse Leakage Current VR=
Junction Capacitance
Tape & Reel specification
Reel width W1 12.30 ±0.20
D1 55 Min
Feed hole width
Carrier length B 2.77 ±0.10
Dimension(mm)
Carrier width A 3.15 ±0.10
Item Symbol
Reel inner diameter
Carrier depth C 1.22 ±0.10
1.50 ± 0.10
Reel outside diameter D 178 ± 1
Sprocket hole d
0.229 ±0.013
D2 13.0 ± 0.20
Sprocke hole position E 1.75 ±0.10
Punch hole position
Sprocke hole pitch
F 3.50 ±0.05
Tape width W 8.10 ±0.20
P0 4.00 ±0.10
Embossment center P1 2.00 ±0.05
Overall tape thickness T
-
VR=1V, f=1.0MHz
Forward Voltage
Reverse Breakdown Voltage 100μA
100mA
200mA
200V
Reverse Recovery Time IF=IR=10mA, RL=100Ω, IRR=1mA
μA
pF
ns
5
50.0
V(BR)
VF
CJ
Trr
IR
Units
V
V
V
MaxMinSymbolType Number
-
-
1.00
1.25
0.1
250
-
-
-
T
op
Co
v
e
r T
ape
Carieer Tap
e
A
n
y
Additional Label
(
If Required
)
TSC label
W1
D1D2
D
T
C
dP1
P0
A
B
F
W
E
Direction of Feed
Version : C10
BAS21 / A / C / S
225mW SMD Switching Diode
Small Signal Diode
Rating and Sharacteristic Curves
FIG 2 Reverse Current vs Junction Temperature
0.01
0.1
1
10
100
0 40 80 120 160 200
Reverse Current (uA)
FIG 3 Admissible Power Dissipation Curve
0
50
100
150
200
250
0 25 50 75 100 125 150 175 200
Power Dissipation (mW)
Ambient Temperature (°C)
Instantaneous Forward Voltage (V)
Ta=25°C
FIG 1 Typical Forward Characteristics
0.01
0.1
1
10
100
1000
0 0.3 0.6 0.9 1.2 1.5 1.8 2.1
Instantaneous Forward Current (mA)
TJ,Junction Temperature (°C)
Ta=25oC
Inataneous Forward Voltage (V)
VR=200V
Version : C10
