页 638 - 二极管 - 齐纳 - 单 | 分立半导体产品 | 深圳黑森尔电子
联系我们
SalesDept@heisener.com +86-755-82705566

二极管 - 齐纳 - 单

记录 73,474
页  638/2,450
图片
零件编号
制造商
描述
封装
库存
数量
Tolerance
Power - Max
Impedance (Max) (Zzt)
Current - Reverse Leakage @ Vr
Voltage - Forward (Vf) (Max) @ If
Operating Temperature
Mounting Type
Package / Case
Supplier Device Package
JANS1N6318
Microsemi Corporation

DIODE ZENER 5.6V 500MW DO35

  • Voltage - Zener (Nom) (Vz): 5.6V
  • Tolerance: ±5%
  • Power - Max: 500mW
  • Impedance (Max) (Zzt): 8 Ohms
  • Current - Reverse Leakage @ Vr: 5µA @ 2.5V
  • Voltage - Forward (Vf) (Max) @ If: 1.4V @ 1A
  • Operating Temperature: -65°C ~ 175°C
  • Mounting Type: Through Hole
  • Package / Case: DO-204AH, DO-35, Axial
  • Supplier Device Package: DO-35
封装: DO-204AH, DO-35, Axial
库存7,216
±5%
500mW
8 Ohms
5µA @ 2.5V
1.4V @ 1A
-65°C ~ 175°C
Through Hole
DO-204AH, DO-35, Axial
DO-35
1N3033BUR-1
Microsemi Corporation

DIODE ZENER 36V 1W DO213AB

  • Voltage - Zener (Nom) (Vz): 36V
  • Tolerance: ±5%
  • Power - Max: 1W
  • Impedance (Max) (Zzt): 50 Ohms
  • Current - Reverse Leakage @ Vr: 10µA @ 27.4V
  • Voltage - Forward (Vf) (Max) @ If: 1.2V @ 200mA
  • Operating Temperature: -55°C ~ 175°C
  • Mounting Type: Surface Mount
  • Package / Case: DO-213AB, MELF
  • Supplier Device Package: DO-213AB
封装: DO-213AB, MELF
库存3,120
±5%
1W
50 Ohms
10µA @ 27.4V
1.2V @ 200mA
-55°C ~ 175°C
Surface Mount
DO-213AB, MELF
DO-213AB
1PMT5916AE3/TR13
Microsemi Corporation

DIODE ZENER 4.3V 3W DO216AA

  • Voltage - Zener (Nom) (Vz): 4.3V
  • Tolerance: ±10%
  • Power - Max: 3W
  • Impedance (Max) (Zzt): 6 Ohms
  • Current - Reverse Leakage @ Vr: 5µA @ 1V
  • Voltage - Forward (Vf) (Max) @ If: 1.2V @ 200mA
  • Operating Temperature: -55°C ~ 150°C
  • Mounting Type: Surface Mount
  • Package / Case: DO-216AA
  • Supplier Device Package: DO-216AA
封装: DO-216AA
库存3,776
±10%
3W
6 Ohms
5µA @ 1V
1.2V @ 200mA
-55°C ~ 150°C
Surface Mount
DO-216AA
DO-216AA
SMPZ3922B-E3/84A
Vishay Semiconductor Diodes Division

DIODE ZENER 7.5V 500MW DO220AA

  • Voltage - Zener (Nom) (Vz): 7.5V
  • Tolerance: ±5%
  • Power - Max: 500mW
  • Impedance (Max) (Zzt): 3 Ohms
  • Current - Reverse Leakage @ Vr: 150µA @ 6V
  • Voltage - Forward (Vf) (Max) @ If: 1.5V @ 200mA
  • Operating Temperature: -65°C ~ 150°C
  • Mounting Type: Surface Mount
  • Package / Case: DO-220AA
  • Supplier Device Package: DO-220AA (SMP)
封装: DO-220AA
库存2,160
±5%
500mW
3 Ohms
150µA @ 6V
1.5V @ 200mA
-65°C ~ 150°C
Surface Mount
DO-220AA
DO-220AA (SMP)
hot 1N5934B
ON Semiconductor

DIODE ZENER 24V 3W AXIAL

  • Voltage - Zener (Nom) (Vz): 24V
  • Tolerance: ±5%
  • Power - Max: 3W
  • Impedance (Max) (Zzt): 19 Ohms
  • Current - Reverse Leakage @ Vr: 1µA @ 18.2V
  • Voltage - Forward (Vf) (Max) @ If: 1.5V @ 200mA
  • Operating Temperature: -65°C ~ 200°C
  • Mounting Type: Through Hole
  • Package / Case: DO-204AL, DO-41, Axial
  • Supplier Device Package: Axial
封装: DO-204AL, DO-41, Axial
库存216,000
±5%
3W
19 Ohms
1µA @ 18.2V
1.5V @ 200mA
-65°C ~ 200°C
Through Hole
DO-204AL, DO-41, Axial
Axial
1N5946CP/TR8
Microsemi Corporation

DIODE ZENER 75V 1.5W DO204AL

  • Voltage - Zener (Nom) (Vz): 75V
  • Tolerance: ±2%
  • Power - Max: 1.5W
  • Impedance (Max) (Zzt): 140 Ohms
  • Current - Reverse Leakage @ Vr: 1µA @ 56V
  • Voltage - Forward (Vf) (Max) @ If: 1.2V @ 200mA
  • Operating Temperature: -65°C ~ 150°C
  • Mounting Type: Through Hole
  • Package / Case: DO-204AL, DO-41, Axial
  • Supplier Device Package: DO-204AL (DO-41)
封装: DO-204AL, DO-41, Axial
库存4,656
±2%
1.5W
140 Ohms
1µA @ 56V
1.2V @ 200mA
-65°C ~ 150°C
Through Hole
DO-204AL, DO-41, Axial
DO-204AL (DO-41)
BZD27C220P RUG
Taiwan Semiconductor Corporation

DIODE, ZENER, 220V, 1000MW, %, S

  • Voltage - Zener (Nom) (Vz): 220.5V
  • Tolerance: ±5.66%
  • Power - Max: 1W
  • Impedance (Max) (Zzt): 900 Ohms
  • Current - Reverse Leakage @ Vr: 1µA @ 160V
  • Voltage - Forward (Vf) (Max) @ If: 1.2V @ 200mA
  • Operating Temperature: -55°C ~ 175°C (TJ)
  • Mounting Type: Surface Mount
  • Package / Case: DO-219AB
  • Supplier Device Package: Sub SMA
封装: DO-219AB
库存2,976
±5.66%
1W
900 Ohms
1µA @ 160V
1.2V @ 200mA
-55°C ~ 175°C (TJ)
Surface Mount
DO-219AB
Sub SMA
BZG05C8V2-E3-TR3
Vishay Semiconductor Diodes Division

DIODE ZENER 8.2V 1.25W DO214AC

  • Voltage - Zener (Nom) (Vz): 8.2V
  • Tolerance: ±5%
  • Power - Max: 1.25W
  • Impedance (Max) (Zzt): 5 Ohms
  • Current - Reverse Leakage @ Vr: 1µA @ 6.2V
  • Voltage - Forward (Vf) (Max) @ If: 1.2V @ 200mA
  • Operating Temperature: 150°C
  • Mounting Type: Surface Mount
  • Package / Case: DO-214AC, SMA
  • Supplier Device Package: DO-214AC
封装: DO-214AC, SMA
库存3,696
±5%
1.25W
5 Ohms
1µA @ 6.2V
1.2V @ 200mA
150°C
Surface Mount
DO-214AC, SMA
DO-214AC
DDZ9703S-7
Diodes Incorporated

DIODE ZENER 16V 200MW SOD323

  • Voltage - Zener (Nom) (Vz): 16V
  • Tolerance: ±5%
  • Power - Max: 200mW
  • Impedance (Max) (Zzt): -
  • Current - Reverse Leakage @ Vr: 50nA @ 12.1V
  • Voltage - Forward (Vf) (Max) @ If: 900mV @ 10mA
  • Operating Temperature: -65°C ~ 150°C
  • Mounting Type: Surface Mount
  • Package / Case: SC-76, SOD-323
  • Supplier Device Package: SOD-323
封装: SC-76, SOD-323
库存4,896
±5%
200mW
-
50nA @ 12.1V
900mV @ 10mA
-65°C ~ 150°C
Surface Mount
SC-76, SOD-323
SOD-323
CMSZ5258B BK
Central Semiconductor Corp

DIODE ZENER 36V 275MW SOT323

  • Voltage - Zener (Nom) (Vz): 36V
  • Tolerance: ±5%
  • Power - Max: 275mW
  • Impedance (Max) (Zzt): 70 Ohms
  • Current - Reverse Leakage @ Vr: 100nA @ 27V
  • Voltage - Forward (Vf) (Max) @ If: 900mV @ 10mA
  • Operating Temperature: -65°C ~ 150°C
  • Mounting Type: Surface Mount
  • Package / Case: SC-70, SOT-323
  • Supplier Device Package: SOT-323
封装: SC-70, SOT-323
库存3,040
±5%
275mW
70 Ohms
100nA @ 27V
900mV @ 10mA
-65°C ~ 150°C
Surface Mount
SC-70, SOT-323
SOT-323
SMPZ3932B-M3/85A
Vishay Semiconductor Diodes Division

DIODE ZENER 20V 500MW DO220AA

  • Voltage - Zener (Nom) (Vz): 20V
  • Tolerance: ±5%
  • Power - Max: 500mW
  • Impedance (Max) (Zzt): 14 Ohms
  • Current - Reverse Leakage @ Vr: 500nA @ 15.2V
  • Voltage - Forward (Vf) (Max) @ If: 1.5V @ 200mA
  • Operating Temperature: -65°C ~ 150°C
  • Mounting Type: Surface Mount
  • Package / Case: DO-220AA
  • Supplier Device Package: DO-220AA (SMP)
封装: DO-220AA
库存3,472
±5%
500mW
14 Ohms
500nA @ 15.2V
1.5V @ 200mA
-65°C ~ 150°C
Surface Mount
DO-220AA
DO-220AA (SMP)
BZT52H-B36,115
Nexperia USA Inc.

DIODE ZENER 36V 375MW SOD123F

  • Voltage - Zener (Nom) (Vz): 36V
  • Tolerance: ±2%
  • Power - Max: 375mW
  • Impedance (Max) (Zzt): 60 Ohms
  • Current - Reverse Leakage @ Vr: 50nA @ 25.2V
  • Voltage - Forward (Vf) (Max) @ If: 900mV @ 10mA
  • Operating Temperature: -65°C ~ 150°C
  • Mounting Type: Surface Mount
  • Package / Case: SOD-123F
  • Supplier Device Package: SOD-123F
封装: SOD-123F
库存4,880
±2%
375mW
60 Ohms
50nA @ 25.2V
900mV @ 10mA
-65°C ~ 150°C
Surface Mount
SOD-123F
SOD-123F
BZX85C30-TR
Vishay Semiconductor Diodes Division

DIODE ZENER 30V 1.3W DO41

  • Voltage - Zener (Nom) (Vz): 30V
  • Tolerance: ±5%
  • Power - Max: 1.3W
  • Impedance (Max) (Zzt): 30 Ohms
  • Current - Reverse Leakage @ Vr: 500nA @ 22V
  • Voltage - Forward (Vf) (Max) @ If: -
  • Operating Temperature: -55°C ~ 175°C
  • Mounting Type: Through Hole
  • Package / Case: DO-204AL, DO-41, Axial
  • Supplier Device Package: DO-41
封装: DO-204AL, DO-41, Axial
库存4,704
±5%
1.3W
30 Ohms
500nA @ 22V
-
-55°C ~ 175°C
Through Hole
DO-204AL, DO-41, Axial
DO-41
TZX4V7B-TR
Vishay Semiconductor Diodes Division

DIODE ZENER 4.7V 500MW DO35

  • Voltage - Zener (Nom) (Vz): 4.7V
  • Tolerance: -
  • Power - Max: 500mW
  • Impedance (Max) (Zzt): 100 Ohms
  • Current - Reverse Leakage @ Vr: 5µA @ 2V
  • Voltage - Forward (Vf) (Max) @ If: 1.5V @ 200mA
  • Operating Temperature: -65°C ~ 175°C
  • Mounting Type: Through Hole
  • Package / Case: DO-204AH, DO-35, Axial
  • Supplier Device Package: DO-35
封装: DO-204AH, DO-35, Axial
库存2,752
-
500mW
100 Ohms
5µA @ 2V
1.5V @ 200mA
-65°C ~ 175°C
Through Hole
DO-204AH, DO-35, Axial
DO-35
hot TZX3V3C-TAP
Vishay Semiconductor Diodes Division

DIODE ZENER 3.3V 500MW DO35

  • Voltage - Zener (Nom) (Vz): 3.3V
  • Tolerance: -
  • Power - Max: 500mW
  • Impedance (Max) (Zzt): 100 Ohms
  • Current - Reverse Leakage @ Vr: 5µA @ 1V
  • Voltage - Forward (Vf) (Max) @ If: 1.5V @ 200mA
  • Operating Temperature: -65°C ~ 175°C
  • Mounting Type: Through Hole
  • Package / Case: DO-204AH, DO-35, Axial
  • Supplier Device Package: DO-35
封装: DO-204AH, DO-35, Axial
库存2,000
-
500mW
100 Ohms
5µA @ 1V
1.5V @ 200mA
-65°C ~ 175°C
Through Hole
DO-204AH, DO-35, Axial
DO-35
RD4-7MW-0-T1B-AT
Renesas

RD4.7MW(0)-T1B-AT - ZENER DIODES

  • Voltage - Zener (Nom) (Vz): -
  • Tolerance: -
  • Power - Max: -
  • Impedance (Max) (Zzt): -
  • Current - Reverse Leakage @ Vr: -
  • Voltage - Forward (Vf) (Max) @ If: -
  • Operating Temperature: 150°C (TJ)
  • Mounting Type: Surface Mount
  • Package / Case: TO-236-3, SC-59, SOT-23-3
  • Supplier Device Package: SC-59
封装: -
Request a Quote
-
-
-
-
-
150°C (TJ)
Surface Mount
TO-236-3, SC-59, SOT-23-3
SC-59
BZX84W-B47F
Nexperia USA Inc.

DIODE ZENER 47V 275MW SOT323

  • Voltage - Zener (Nom) (Vz): 47 V
  • Tolerance: ±2%
  • Power - Max: 275 mW
  • Impedance (Max) (Zzt): 170 Ohms
  • Current - Reverse Leakage @ Vr: 50 nA @ 32.9 V
  • Voltage - Forward (Vf) (Max) @ If: 900 mV @ 10 mA
  • Operating Temperature: 150°C (TJ)
  • Mounting Type: Surface Mount
  • Package / Case: SC-70, SOT-323
  • Supplier Device Package: SOT-323
封装: -
Request a Quote
±2%
275 mW
170 Ohms
50 nA @ 32.9 V
900 mV @ 10 mA
150°C (TJ)
Surface Mount
SC-70, SOT-323
SOT-323
DT-2326-TR
Microchip Technology

TEMPERATURE COMPENSATED

  • Voltage - Zener (Nom) (Vz): -
  • Tolerance: -
  • Power - Max: -
  • Impedance (Max) (Zzt): -
  • Current - Reverse Leakage @ Vr: -
  • Voltage - Forward (Vf) (Max) @ If: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
封装: -
Request a Quote
-
-
-
-
-
-
-
-
-
JANTX1N4477DUS-TR
Microchip Technology

VOLTAGE REGULATOR

  • Voltage - Zener (Nom) (Vz): 33 V
  • Tolerance: ±1%
  • Power - Max: 1.5 W
  • Impedance (Max) (Zzt): 25 Ohms
  • Current - Reverse Leakage @ Vr: 50 nA @ 26.4 V
  • Voltage - Forward (Vf) (Max) @ If: 1.5 V @ 1 A
  • Operating Temperature: -65°C ~ 175°C (TJ)
  • Mounting Type: Surface Mount
  • Package / Case: SQ-MELF, A
  • Supplier Device Package: D-5A
封装: -
Request a Quote
±1%
1.5 W
25 Ohms
50 nA @ 26.4 V
1.5 V @ 1 A
-65°C ~ 175°C (TJ)
Surface Mount
SQ-MELF, A
D-5A
HPZR-C5V6X
Nexperia USA Inc.

HPZR-C5V6/SOD123W/SOD2

  • Voltage - Zener (Nom) (Vz): 5.6 V
  • Tolerance: ±5%
  • Power - Max: 962 mW
  • Impedance (Max) (Zzt): 63.6 Ohms
  • Current - Reverse Leakage @ Vr: 600 µA @ 3.3 V
  • Voltage - Forward (Vf) (Max) @ If: 1 V @ 100 mA
  • Operating Temperature: 150°C (TJ)
  • Mounting Type: Surface Mount
  • Package / Case: SOD-123W
  • Supplier Device Package: SOD-123W
封装: -
库存7,509
±5%
962 mW
63.6 Ohms
600 µA @ 3.3 V
1 V @ 100 mA
150°C (TJ)
Surface Mount
SOD-123W
SOD-123W
1N5363BBULK
EIC SEMICONDUCTOR INC.

DIODE ZENER 30V 5W DO15

  • Voltage - Zener (Nom) (Vz): 30 V
  • Tolerance: ±5%
  • Power - Max: 5 W
  • Impedance (Max) (Zzt): 8 Ohms
  • Current - Reverse Leakage @ Vr: 500 nA @ 22.8 V
  • Voltage - Forward (Vf) (Max) @ If: 1.2 V @ 1 A
  • Operating Temperature: -65°C ~ 200°C (TJ)
  • Mounting Type: Through Hole
  • Package / Case: DO-204AC, DO-15, Axial
  • Supplier Device Package: DO-15
封装: -
Request a Quote
±5%
5 W
8 Ohms
500 nA @ 22.8 V
1.2 V @ 1 A
-65°C ~ 200°C (TJ)
Through Hole
DO-204AC, DO-15, Axial
DO-15
NTE5114A
NTE Electronics, Inc

DIODE ZENER 4.3V 5W DO35

  • Voltage - Zener (Nom) (Vz): 4.3 V
  • Tolerance: ±5%
  • Power - Max: 5 W
  • Impedance (Max) (Zzt): 2 Ohms
  • Current - Reverse Leakage @ Vr: -
  • Voltage - Forward (Vf) (Max) @ If: -
  • Operating Temperature: -65°C ~ 200°C
  • Mounting Type: Through Hole
  • Package / Case: DO-204AH, DO-35, Axial
  • Supplier Device Package: DO-35
封装: -
Request a Quote
±5%
5 W
2 Ohms
-
-
-65°C ~ 200°C
Through Hole
DO-204AH, DO-35, Axial
DO-35
BZX84C20VLFHT116
Rohm Semiconductor

DIODE ZENER 20V 250MW SSD3

  • Voltage - Zener (Nom) (Vz): 20 V
  • Tolerance: ±6%
  • Power - Max: 250 mW
  • Impedance (Max) (Zzt): 55 Ohms
  • Current - Reverse Leakage @ Vr: 100 nA @ 14 V
  • Voltage - Forward (Vf) (Max) @ If: -
  • Operating Temperature: 150°C (TJ)
  • Mounting Type: Surface Mount
  • Package / Case: TO-236-3, SC-59, SOT-23-3
  • Supplier Device Package: SSD3
封装: -
Request a Quote
±6%
250 mW
55 Ohms
100 nA @ 14 V
-
150°C (TJ)
Surface Mount
TO-236-3, SC-59, SOT-23-3
SSD3
BZX84B3V0-HE3_A-08
Vishay General Semiconductor - Diodes Division

DIODE ZENER 3V 300MW SOT23-3

  • Voltage - Zener (Nom) (Vz): 3 V
  • Tolerance: ±2%
  • Power - Max: 300 mW
  • Impedance (Max) (Zzt): 95 Ohms
  • Current - Reverse Leakage @ Vr: 10 µA @ 1 V
  • Voltage - Forward (Vf) (Max) @ If: -
  • Operating Temperature: 150°C (TJ)
  • Mounting Type: Surface Mount
  • Package / Case: TO-236-3, SC-59, SOT-23-3
  • Supplier Device Package: SOT-23-3
封装: -
Request a Quote
±2%
300 mW
95 Ohms
10 µA @ 1 V
-
150°C (TJ)
Surface Mount
TO-236-3, SC-59, SOT-23-3
SOT-23-3
1N5530BUR-1-TR
Microchip Technology

VOLTAGE REGULATOR

  • Voltage - Zener (Nom) (Vz): 10 V
  • Tolerance: ±5%
  • Power - Max: 500 mW
  • Impedance (Max) (Zzt): 60 Ohms
  • Current - Reverse Leakage @ Vr: 50 nA @ 9.1 V
  • Voltage - Forward (Vf) (Max) @ If: 1.1 V @ 200 mA
  • Operating Temperature: -65°C ~ 175°C (TJ)
  • Mounting Type: Surface Mount
  • Package / Case: DO-213AA
  • Supplier Device Package: DO-213AA
封装: -
Request a Quote
±5%
500 mW
60 Ohms
50 nA @ 9.1 V
1.1 V @ 200 mA
-65°C ~ 175°C (TJ)
Surface Mount
DO-213AA
DO-213AA
JAN1N4122UR-1-TR
Microchip Technology

VOLTAGE REGULATOR

  • Voltage - Zener (Nom) (Vz): 36 V
  • Tolerance: ±5%
  • Power - Max: -
  • Impedance (Max) (Zzt): 200 Ohms
  • Current - Reverse Leakage @ Vr: 10 nA @ 27.4 V
  • Voltage - Forward (Vf) (Max) @ If: 1.1 V @ 200 mA
  • Operating Temperature: -65°C ~ 175°C
  • Mounting Type: Surface Mount
  • Package / Case: DO-213AA
  • Supplier Device Package: DO-213AA
封装: -
Request a Quote
±5%
-
200 Ohms
10 nA @ 27.4 V
1.1 V @ 200 mA
-65°C ~ 175°C
Surface Mount
DO-213AA
DO-213AA
BZG03C200-M3-08
Vishay General Semiconductor - Diodes Division

DIODE ZENER 200V 1.25W DO214AC

  • Voltage - Zener (Nom) (Vz): 200 V
  • Tolerance: ±6%
  • Power - Max: 1.25 W
  • Impedance (Max) (Zzt): 500 Ohms
  • Current - Reverse Leakage @ Vr: 1 µA @ 150 V
  • Voltage - Forward (Vf) (Max) @ If: 1.2 V @ 500 mA
  • Operating Temperature: 150°C (TJ)
  • Mounting Type: Surface Mount
  • Package / Case: DO-214AC, SMA
  • Supplier Device Package: DO-214AC (SMA)
封装: -
库存27,276
±6%
1.25 W
500 Ohms
1 µA @ 150 V
1.2 V @ 500 mA
150°C (TJ)
Surface Mount
DO-214AC, SMA
DO-214AC (SMA)
GZB27C
onsemi

DIODE ZENER

  • Voltage - Zener (Nom) (Vz): -
  • Tolerance: -
  • Power - Max: -
  • Impedance (Max) (Zzt): -
  • Current - Reverse Leakage @ Vr: -
  • Voltage - Forward (Vf) (Max) @ If: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
封装: -
Request a Quote
-
-
-
-
-
-
-
-
-
JANTX1N3821D-1-TR
Microchip Technology

VOLTAGE REGULATOR

  • Voltage - Zener (Nom) (Vz): 3.3 V
  • Tolerance: ±1%
  • Power - Max: 1 W
  • Impedance (Max) (Zzt): 10 Ohms
  • Current - Reverse Leakage @ Vr: 100 µA @ 1 V
  • Voltage - Forward (Vf) (Max) @ If: 1.2 V @ 200 mA
  • Operating Temperature: -65°C ~ 175°C
  • Mounting Type: Through Hole
  • Package / Case: DO-204AL, DO041, Axial
  • Supplier Device Package: DO-41
封装: -
Request a Quote
±1%
1 W
10 Ohms
100 µA @ 1 V
1.2 V @ 200 mA
-65°C ~ 175°C
Through Hole
DO-204AL, DO041, Axial
DO-41
HZK4ATL-S-E
Renesas Electronics Corporation

DIODE ZENER 0.5W

  • Voltage - Zener (Nom) (Vz): -
  • Tolerance: -
  • Power - Max: -
  • Impedance (Max) (Zzt): -
  • Current - Reverse Leakage @ Vr: -
  • Voltage - Forward (Vf) (Max) @ If: -
  • Operating Temperature: -
  • Mounting Type: -
  • Package / Case: -
  • Supplier Device Package: -
封装: -
Request a Quote
-
-
-
-
-
-
-
-
-