Página 2 - Littelfuse Inc. Productos - Relés de señales, hasta 2 A | Heisener Electronics
Contáctenos
SalesDept@heisener.com +86-755-83210559 ext. 803
Iniciar sesión/Registrar
Language Translation

* Please refer to the English Version as our Official Version.

BOM
Carro 0

Littelfuse Inc. Productos - Relés de señales, hasta 2 A

Registros 114
Página  2/5
Imagen
Nº de pieza
Fabricantes
Descripción
Paquete
En existencias
Cantidad
Coil Type
Coil Current
Coil Voltage
Contact Form
Contact Rating (Current)
Switching Voltage
Turn On Voltage (Max)
Turn Off Voltage (Min)
Operate Time
Release Time
Features
Mounting Type
Termination Style
HE721A1230
Littelfuse Inc.

RELAY REED SPST 500MA 12V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 12mA
  • Coil Voltage: 12VDC
  • Contact Form: SPST-NO (1 Form A)
  • Contact Rating (Current): 500mA
  • Switching Voltage: 200VDC - Max
  • Turn On Voltage (Max): 8 VDC
  • Turn Off Voltage (Min): 1 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: Diode, Electrostatic Shield
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias8.046
Non Latching
12mA
12VDC
SPST-NO (1 Form A)
500mA
200VDC - Max
8 VDC
1 VDC
1ms
1ms
Diode, Electrostatic Shield
Through Hole
PC Pin
HE721A0530
Littelfuse Inc.

RELAY REED SPST 500MA 5V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 10mA
  • Coil Voltage: 5VDC
  • Contact Form: SPST-NO (1 Form A)
  • Contact Rating (Current): 500mA
  • Switching Voltage: 200VDC - Max
  • Turn On Voltage (Max): 3.75 VDC
  • Turn Off Voltage (Min): 0.5 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: Diode, Electrostatic Shield
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias4.320
Non Latching
10mA
5VDC
SPST-NO (1 Form A)
500mA
200VDC - Max
3.75 VDC
0.5 VDC
1ms
1ms
Diode, Electrostatic Shield
Through Hole
PC Pin
HE721A0520
Littelfuse Inc.

RELAY REED SPST 500MA 5V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 10mA
  • Coil Voltage: 5VDC
  • Contact Form: SPST-NO (1 Form A)
  • Contact Rating (Current): 500mA
  • Switching Voltage: 200VDC - Max
  • Turn On Voltage (Max): 3.75 VDC
  • Turn Off Voltage (Min): 0.5 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: Electrostatic Shield
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias2.736
Non Latching
10mA
5VDC
SPST-NO (1 Form A)
500mA
200VDC - Max
3.75 VDC
0.5 VDC
1ms
1ms
Electrostatic Shield
Through Hole
PC Pin
hot HE722A0600
Littelfuse Inc.

RELAY REED DPST 500MA 5V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 33.3mA
  • Coil Voltage: 5VDC
  • Contact Form: DPST (2 Form A)
  • Contact Rating (Current): 500mA
  • Switching Voltage: 200VDC - Max
  • Turn On Voltage (Max): 3.75 VDC
  • Turn Off Voltage (Min): 0.5 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: -
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias240.000
Non Latching
33.3mA
5VDC
DPST (2 Form A)
500mA
200VDC - Max
3.75 VDC
0.5 VDC
1ms
1ms
-
Through Hole
PC Pin
HE722A1250
Littelfuse Inc.

RELAY REED DPST 500MA 12V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 24mA
  • Coil Voltage: 12VDC
  • Contact Form: DPST (2 Form A)
  • Contact Rating (Current): 500mA
  • Switching Voltage: 200VDC - Max
  • Turn On Voltage (Max): 8 VDC
  • Turn Off Voltage (Min): 1 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: Diode, External Magnetic Shield
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias6.264
Non Latching
24mA
12VDC
DPST (2 Form A)
500mA
200VDC - Max
8 VDC
1 VDC
1ms
1ms
Diode, External Magnetic Shield
Through Hole
PC Pin
HE721A1240
Littelfuse Inc.

RELAY REED SPST 500MA 12V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 12mA
  • Coil Voltage: 12VDC
  • Contact Form: SPST-NO (1 Form A)
  • Contact Rating (Current): 500mA
  • Switching Voltage: 200VDC - Max
  • Turn On Voltage (Max): 8 VDC
  • Turn Off Voltage (Min): 1 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: Magnetic Shield
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias4.554
Non Latching
12mA
12VDC
SPST-NO (1 Form A)
500mA
200VDC - Max
8 VDC
1 VDC
1ms
1ms
Magnetic Shield
Through Hole
PC Pin
HE721A1220
Littelfuse Inc.

RELAY REED SPST 500MA 12V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 12mA
  • Coil Voltage: 12VDC
  • Contact Form: SPST-NO (1 Form A)
  • Contact Rating (Current): 500mA
  • Switching Voltage: 200VDC - Max
  • Turn On Voltage (Max): 8 VDC
  • Turn Off Voltage (Min): 1 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: Electrostatic Shield
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias5.616
Non Latching
12mA
12VDC
SPST-NO (1 Form A)
500mA
200VDC - Max
8 VDC
1 VDC
1ms
1ms
Electrostatic Shield
Through Hole
PC Pin
HE722A0610
Littelfuse Inc.

RELAY REED DPST 500MA 5V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 33.3mA
  • Coil Voltage: 5VDC
  • Contact Form: DPST (2 Form A)
  • Contact Rating (Current): 500mA
  • Switching Voltage: 200VDC - Max
  • Turn On Voltage (Max): 3.75 VDC
  • Turn Off Voltage (Min): 0.5 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: Diode
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias8.694
Non Latching
33.3mA
5VDC
DPST (2 Form A)
500mA
200VDC - Max
3.75 VDC
0.5 VDC
1ms
1ms
Diode
Through Hole
PC Pin
HE3351A0500
Littelfuse Inc.

RELAY REED SPST 1A 5V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 40mA
  • Coil Voltage: 5VDC
  • Contact Form: SPST-NO (1 Form A)
  • Contact Rating (Current): 1A
  • Switching Voltage: 300VDC - Max
  • Turn On Voltage (Max): 3.75 VDC
  • Turn Off Voltage (Min): 0.5 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: -
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias8.244
Non Latching
40mA
5VDC
SPST-NO (1 Form A)
1A
300VDC - Max
3.75 VDC
0.5 VDC
1ms
1ms
-
Through Hole
PC Pin
HE751A2410
Littelfuse Inc.

RELAY REED SPST 500MA 24V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 11.1mA
  • Coil Voltage: 24VDC
  • Contact Form: SPST-NO (1 Form A)
  • Contact Rating (Current): 500mA
  • Switching Voltage: 300VDC - Max
  • Turn On Voltage (Max): 16 VDC
  • Turn Off Voltage (Min): 2 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: Diode
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias3.168
Non Latching
11.1mA
24VDC
SPST-NO (1 Form A)
500mA
300VDC - Max
16 VDC
2 VDC
1ms
1ms
Diode
Through Hole
PC Pin
HE3621A0540
Littelfuse Inc.

RELAY REED SPST 500MA 5V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 10mA
  • Coil Voltage: 5VDC
  • Contact Form: SPST-NO (1 Form A)
  • Contact Rating (Current): 500mA
  • Switching Voltage: 200VDC - Max
  • Turn On Voltage (Max): 3.75 VDC
  • Turn Off Voltage (Min): 0.5 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: Magnetic Shield
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias3.978
Non Latching
10mA
5VDC
SPST-NO (1 Form A)
500mA
200VDC - Max
3.75 VDC
0.5 VDC
1ms
1ms
Magnetic Shield
Through Hole
PC Pin
HE3621A0550
Littelfuse Inc.

RELAY REED SPST 500MA 5V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 10mA
  • Coil Voltage: 5VDC
  • Contact Form: SPST-NO (1 Form A)
  • Contact Rating (Current): 500mA
  • Switching Voltage: 200VDC - Max
  • Turn On Voltage (Max): 3.75 VDC
  • Turn Off Voltage (Min): 0.5 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: Diode, External Magnetic Shield
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias8.424
Non Latching
10mA
5VDC
SPST-NO (1 Form A)
500mA
200VDC - Max
3.75 VDC
0.5 VDC
1ms
1ms
Diode, External Magnetic Shield
Through Hole
PC Pin
HE751A1200
Littelfuse Inc.

RELAY REED SPST 500MA 12V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 12mA
  • Coil Voltage: 12VDC
  • Contact Form: SPST-NO (1 Form A)
  • Contact Rating (Current): 500mA
  • Switching Voltage: 300VDC - Max
  • Turn On Voltage (Max): 8 VDC
  • Turn Off Voltage (Min): 1 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: -
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias8.514
Non Latching
12mA
12VDC
SPST-NO (1 Form A)
500mA
300VDC - Max
8 VDC
1 VDC
1ms
1ms
-
Through Hole
PC Pin
HE721A0540
Littelfuse Inc.

RELAY REED SPST 500MA 5V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 10mA
  • Coil Voltage: 5VDC
  • Contact Form: SPST-NO (1 Form A)
  • Contact Rating (Current): 500mA
  • Switching Voltage: 200VDC - Max
  • Turn On Voltage (Max): 3.75 VDC
  • Turn Off Voltage (Min): 0.5 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: Magnetic Shield
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias6.606
Non Latching
10mA
5VDC
SPST-NO (1 Form A)
500mA
200VDC - Max
3.75 VDC
0.5 VDC
1ms
1ms
Magnetic Shield
Through Hole
PC Pin
HE3621A6012
Littelfuse Inc.

RELAY REED SPST 500MA 12V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 6mA
  • Coil Voltage: 12VDC
  • Contact Form: SPST-NO (1 Form A)
  • Contact Rating (Current): 500mA
  • Switching Voltage: 200VDC - Max
  • Turn On Voltage (Max): 8 VDC
  • Turn Off Voltage (Min): 1 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: -
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias4.158
Non Latching
6mA
12VDC
SPST-NO (1 Form A)
500mA
200VDC - Max
8 VDC
1 VDC
1ms
1ms
-
Through Hole
PC Pin
HE721C2410
Littelfuse Inc.

RELAY REED SPDT 250MA 24V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 12mA
  • Coil Voltage: 24VDC
  • Contact Form: SPDT (1 Form C)
  • Contact Rating (Current): 250mA
  • Switching Voltage: 175VDC - Max
  • Turn On Voltage (Max): 16 VDC
  • Turn Off Voltage (Min): 2 VDC
  • Operate Time: 3ms
  • Release Time: 3ms
  • Features: Diode
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias2.412
Non Latching
12mA
24VDC
SPDT (1 Form C)
250mA
175VDC - Max
16 VDC
2 VDC
3ms
3ms
Diode
Through Hole
PC Pin
HE3321C0500
Littelfuse Inc.

RELAY REED SPDT 250MA 5V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 40mA
  • Coil Voltage: 5VDC
  • Contact Form: SPDT (1 Form C)
  • Contact Rating (Current): 250mA
  • Switching Voltage: 175VDC - Max
  • Turn On Voltage (Max): 3.75 VDC
  • Turn Off Voltage (Min): 0.5 VDC
  • Operate Time: 3ms
  • Release Time: 3ms
  • Features: -
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias6.444
Non Latching
40mA
5VDC
SPDT (1 Form C)
250mA
175VDC - Max
3.75 VDC
0.5 VDC
3ms
3ms
-
Through Hole
PC Pin
HE721C0500
Littelfuse Inc.

RELAY REED SPDT 250MA 5V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 25mA
  • Coil Voltage: 5VDC
  • Contact Form: SPDT (1 Form C)
  • Contact Rating (Current): 250mA
  • Switching Voltage: 175VDC - Max
  • Turn On Voltage (Max): 3.75 VDC
  • Turn Off Voltage (Min): 0.5 VDC
  • Operate Time: 3ms
  • Release Time: 3ms
  • Features: -
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias3.618
Non Latching
25mA
5VDC
SPDT (1 Form C)
250mA
175VDC - Max
3.75 VDC
0.5 VDC
3ms
3ms
-
Through Hole
PC Pin
hot HE3621A1200
Littelfuse Inc.

RELAY REED SPST 500MA 12V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 12mA
  • Coil Voltage: 12VDC
  • Contact Form: SPST-NO (1 Form A)
  • Contact Rating (Current): 500mA
  • Switching Voltage: 200VDC - Max
  • Turn On Voltage (Max): 8 VDC
  • Turn Off Voltage (Min): 1 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: -
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias7.614
Non Latching
12mA
12VDC
SPST-NO (1 Form A)
500mA
200VDC - Max
8 VDC
1 VDC
1ms
1ms
-
Through Hole
PC Pin
hot HE3621A0510
Littelfuse Inc.

RELAY REED SPST 500MA 5V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 10mA
  • Coil Voltage: 5VDC
  • Contact Form: SPST-NO (1 Form A)
  • Contact Rating (Current): 500mA
  • Switching Voltage: 200VDC - Max
  • Turn On Voltage (Max): 3.75 VDC
  • Turn Off Voltage (Min): 0.5 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: Diode
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias17.904
Non Latching
10mA
5VDC
SPST-NO (1 Form A)
500mA
200VDC - Max
3.75 VDC
0.5 VDC
1ms
1ms
Diode
Through Hole
PC Pin
HE721A1200
Littelfuse Inc.

RELAY REED SPST 500MA 12V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 12mA
  • Coil Voltage: 12VDC
  • Contact Form: SPST-NO (1 Form A)
  • Contact Rating (Current): 500mA
  • Switching Voltage: 200VDC - Max
  • Turn On Voltage (Max): 8 VDC
  • Turn Off Voltage (Min): 1 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: -
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias8.082
Non Latching
12mA
12VDC
SPST-NO (1 Form A)
500mA
200VDC - Max
8 VDC
1 VDC
1ms
1ms
-
Through Hole
PC Pin
HE3621A1250
Littelfuse Inc.

RELAY REED SPST 500MA 12V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 12mA
  • Coil Voltage: 12VDC
  • Contact Form: SPST-NO (1 Form A)
  • Contact Rating (Current): 500mA
  • Switching Voltage: 200VDC - Max
  • Turn On Voltage (Max): 8 VDC
  • Turn Off Voltage (Min): 1 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: Diode, External Magnetic Shield
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias14.340
Non Latching
12mA
12VDC
SPST-NO (1 Form A)
500mA
200VDC - Max
8 VDC
1 VDC
1ms
1ms
Diode, External Magnetic Shield
Through Hole
PC Pin
HE722A0510
Littelfuse Inc.

RELAY REED DPST 500MA 5V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 25mA
  • Coil Voltage: 5VDC
  • Contact Form: DPST (2 Form A)
  • Contact Rating (Current): 500mA
  • Switching Voltage: 200VDC - Max
  • Turn On Voltage (Max): 3.75 VDC
  • Turn Off Voltage (Min): 0.5 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: Diode
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias15.564
Non Latching
25mA
5VDC
DPST (2 Form A)
500mA
200VDC - Max
3.75 VDC
0.5 VDC
1ms
1ms
Diode
Through Hole
PC Pin
HE3621A1210
Littelfuse Inc.

RELAY REED SPST 500MA 12V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 12mA
  • Coil Voltage: 12VDC
  • Contact Form: SPST-NO (1 Form A)
  • Contact Rating (Current): 500mA
  • Switching Voltage: 200VDC - Max
  • Turn On Voltage (Max): 8 VDC
  • Turn Off Voltage (Min): 1 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: Diode
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias11.292
Non Latching
12mA
12VDC
SPST-NO (1 Form A)
500mA
200VDC - Max
8 VDC
1 VDC
1ms
1ms
Diode
Through Hole
PC Pin
HE721E2400
Littelfuse Inc.

RELAY REED SPDT 250MA 24V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 12mA
  • Coil Voltage: 24VDC
  • Contact Form: SPDT (1 Form C)
  • Contact Rating (Current): 250mA
  • Switching Voltage: 175VDC - Max
  • Turn On Voltage (Max): 16 VDC
  • Turn Off Voltage (Min): 2 VDC
  • Operate Time: 3ms
  • Release Time: 3ms
  • Features: -
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias14.148
Non Latching
12mA
24VDC
SPDT (1 Form C)
250mA
175VDC - Max
16 VDC
2 VDC
3ms
3ms
-
Through Hole
PC Pin
HE721C2430
Littelfuse Inc.

RELAY REED SPDT 250MA 24V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 12mA
  • Coil Voltage: 24VDC
  • Contact Form: SPDT (1 Form C)
  • Contact Rating (Current): 250mA
  • Switching Voltage: 175VDC - Max
  • Turn On Voltage (Max): 16 VDC
  • Turn Off Voltage (Min): 2 VDC
  • Operate Time: 3ms
  • Release Time: 3ms
  • Features: Diode, Electrostatic Shield
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias25.656
Non Latching
12mA
24VDC
SPDT (1 Form C)
250mA
175VDC - Max
16 VDC
2 VDC
3ms
3ms
Diode, Electrostatic Shield
Through Hole
PC Pin
HE721E0510
Littelfuse Inc.

RELAY REED SPDT 250MA 5V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 25mA
  • Coil Voltage: 5VDC
  • Contact Form: SPDT (1 Form C)
  • Contact Rating (Current): 250mA
  • Switching Voltage: 175VDC - Max
  • Turn On Voltage (Max): 3.75 VDC
  • Turn Off Voltage (Min): 0.5 VDC
  • Operate Time: 3ms
  • Release Time: 3ms
  • Features: Diode
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias8.916
Non Latching
25mA
5VDC
SPDT (1 Form C)
250mA
175VDC - Max
3.75 VDC
0.5 VDC
3ms
3ms
Diode
Through Hole
PC Pin
HE721A2430
Littelfuse Inc.

RELAY REED SPST 500MA 24V

  • Relay Type: Reed
  • Coil Type: Non Latching
  • Coil Current: 11.1mA
  • Coil Voltage: 24VDC
  • Contact Form: SPST-NO (1 Form A)
  • Contact Rating (Current): 500mA
  • Switching Voltage: 200VDC - Max
  • Turn On Voltage (Max): 16 VDC
  • Turn Off Voltage (Min): 2 VDC
  • Operate Time: 1ms
  • Release Time: 1ms
  • Features: Diode, Electrostatic Shield
  • Mounting Type: Through Hole
  • Termination Style: PC Pin
Paquete: -
En existencias20.016
Non Latching
11.1mA
24VDC
SPST-NO (1 Form A)
500mA
200VDC - Max
16 VDC
2 VDC
1ms
1ms
Diode, Electrostatic Shield
Through Hole
PC Pin