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Reed Switches
　
Our broad product line allows the customer to select a product to suit the intended application and purpose, for everything from low-voltage signal lines to high-voltage power lines.　 　
Oki reed switches have extremely high-quality due to our proprietary technologies -- contact surface deactivation treatment, high-performance automatic sealing machines, and contact resistance measurement based on the flux scanning (FS) system. These technologies have earned us the top market
share in Japan. Also, our broad product line allows the customer to select a product to suit the intended application and purpose, for everything from low-voltage signal lines to high-voltage power lines
The reed switches comprise two ferromagnetic reeds placed with a gap in between and hermetically sealed in a glass tube. The glass tube is filled with inert gas to prevent the activation of the contacts. The surfaces of the reed contacts are plated with rhodium or iridium.

The reed switch is operated by the magnetic field of an energized coil or a permanent magnet which induces north (N) and south (S) poles on the reeds. The reed contacts are closed by this magnetic attractive force. When the magnetic field is removed, the reed elasticity causes the contacts to open the circuit.

The transfer type reed switch is normally ON, due to mechanical bias of the common (COM) lead, which is between the normally closed (N.C) reed contact and the normally open (N.O) reed contacts.

When an external magnetic field is induced, the N.C blade is not affected because it is non-magnetic but the COM lead is attracted by the N.O lead and moves. When the magnetic field is removed, COM lead again moves to the N.C lead by mechanical bias. .

Specification

Part no. Contract type Contact capacity Outer dimensions (mm) Features (Contact material)
Glass tube length Glass tube diameter Total length
ORD213 1A 1W 7.0max Ø1.80max 35.8 ± 0.3 Super ultra-miniature (Rh)
ORD213S-1 1A 1W 7.0max Ø1.80max 13.0 Super ultra-miniature SMD(Rh)
ORD211 1A 1W 10.0max Ø2.0max 35.7 ± 0.3 Ultra-miniature (Rh)
ORD219 1A 10W 12.0max Ø2.00max 44.3 ± 0.3 Miniature high-performance (Rh)
ORD221 1A 10W 13.0max Ø2.30max 44.2 ± 0.3 Miniature off-set type (Rh)
ORD2221 1A 10W 13.0max Ø2.30max 56.7 ± 0.3 Miniature off-set type long lead(Rh)
ORD228VL 1A 10W 14.0max Ø2.20max 44.3 ± 0.3 Miniature high-performance (Rh)
ORD228S-1 1A 10W 14.0max Ø2.20max 19.6 ± 0.3 Miniature high-performance SMD (Rh)
ORD2220 1A 10W 14.0max Ø2.20max 56.7 ± 0.3 Miniature wide differential (Rh)
ORD229 1A DC50W/AC70W 21.0max Ø2.75max 55.4 ± 0.3 High breakdown voltage (Rh)
ORD2210 1A DC50W/AC70W 21.0max Ø2.75max 55.4 ± 0.3 High power (Rh)
ORD2210V 1A 100W 21.0max Ø2.75max 55.4 ± 0.3 Vacuum, high power (Rh)
ORD2211 1A 50W (12V 3.4W lamp) 16.5max Ø2.80max 44.1 ± 0.3 Lamp load (Rh)
ORD2212 1A 10W 16.5max Ø2.80max 43.9 ± 0.3 Closed differential type, low sound (Rh)
ORD234 1A 10W 21.0max Ø3.50max 43.4 ± 0.3 Long-life (Rh)
ORD9215 1A 10W 17.0max Ø2.80max 44.1 ± 0.5 General purpose miniature-type (Rh)
ORD9216 1A 10W 14.0max Ø2.20max 44.3 ± 0.5 General purpose miniature-type (Rh)
ORT551 1C 3W 14.0max Ø2.54max N.O51.6 ± 0.3
N.C56.1 ± 0.3		 Ultra-miniature transfer (Rh)
ORD311 1A 10W 7.0max Ø1.80max 35.8 ± 0.3 Super ultra-miniature long-life (Ir)
ORD312 1A 30W 12.0max Ø2.00max 44.3 ± 0.3 High-power long-life (Ir)
RA-901 1A 10W 2.5 ± 0.2(W) 2.5 ± 0.2(H) 19.5 ± 0.2(L) Miniature SMD (Molded type)
RA-903 1A 1.0W 2.1 ± 0.2(W) 2.1 ± 0.2(H) 12.3 ± 0.2(L) Ultra-miniature SMD (Molded type)

Proximity Switches
A variety of packages are available to suit the switch mounting method. Switches are offered in the form which is easiest for the customer to use.
We fabricate proximity switches with high contact reliability using high-reliability, high-quality reed switches based on our unique contact surface deactivation treatment technology. These reed switches have the top market share in Japan. We use our own reed switches, so we can realize precise operating characteristics and functions
Part no. Contact type Contact capacity Package dimensions(mm) Features (Description)
H W L
RA-110 Series 1A 10W 6.0 10.0 32.0 General-purpose proximity switch
RA-200 Series 1A 10W 5.0 7.5 22.0 Compact proximity switch
RA-600 Series 1A 10W 19.0 6.0 29.0 PCB mounted open type
RA-700 Series 1A 10W   4.0 24.0 Miniature PCB mounted open type

Shock Sensors
Shock sensors must have extremely high-precision operating conditions and characteristics. We speedily provide custom products to suit customer specifications.
Through our technical alliance with Hamlin Electronics (USA) we have commercialized an electric safety sensor used in automotive air bag systems. RRPC Series products are comprised of a reed switch, magnet and spring. During acceleration detection, the magnet moves and the reed switch actuates. This actuation is adjusted to meet
specifications suited to the characteristics of each vehicle determined computer simulation, so products can be supplied with a short lead time.

Part no. Contact configuration External dimensions
(mm)		 Switching voltage (V) Switching current (A) Contact resistance (mΩ) Shock sensitivity Features
H W L Actuation time(ms) ON hold time(ms)
RRPC 1A07 Series 1A 20.7 12.2 12.7 16
max*		 10
max*		 150
max*		 8.0
max*		 18.0*
max		 Horizontal 1 contact
RRPC 1B07 Series 1B 20.7 12.2 12.7 20*
max		 16*
max		 150*
max		 8.0*
max		 18.0*
max		 Horizontal 1 contact
Remarks   Does not include terminals   ON for 5ms each time   HaverSine 15ms 20G  

TEL :  886 - (02) - 82610858 FAX : 886 - (02) - 82611885

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E-mail : hy@hy1688.com

E-mail : hy@hy1688.com.tw

236台北縣土城市中央路二段191號10樓之5

10F.-5, No.191, Sec. 2, Zhongyang Rd., Tucheng City, Taipei County Taiwan 236, R.O.C

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