NTE Electronics R21 Series Catalog Page

Features

• Subminiature Size for High Density Packaging

• Epoxy Sealed

• Class B Insulation

R21 Series

Subminiature, 1 Amp & 2 Amp, SPDT,
DC Power, Printed Circuit Mount
Relays

D81

DC OPERATED

Coil

Nom.

NTE Type No.

R21−5D1−12 12VDC SPDT 700 200mW 1A D81

R21−5D1−24 24VDC SPDT 2800 200mW 1A D81

R21−5D2−5/6 6VDC SPDT 100 360mW 2A D81

R21−5D2−12 12VDC SPDT 400 360mW 2A D81

R21−5D2−24 24VDC SPDT 1600 360mW 2A D81

Voltage

Contact

Arr.

Res.

Ohms

(Typ)

Nom.

Power

Max.

Contact

Cur. @

30VDC

or 125VAC

Diag

No.

.423

(10.75)

.620 (15.75)

.039 (1.0) Dia

6 Holes

.400 (10.16)

.100 (2.54)

.465

(11.81)

.125 (3.18)

.300

(7.62)

SPDT, 1 Form “C”

67

211

112

Electrical Specifications

Contact

Rating: See chart
Contact Material: Silver nickel, gold plated
Contact Resistance: 0.1 Ohms Max. initial

Coil

Coil Voltages: See Chart
Drop−out Voltage: Greater than 10% of nominal coil voltage
Resistance: See Chart

Operational Characteristics

Timing Value Operate Time: Approx 5 mS. . . . . .

Release Time: Approx 1 mS

Insulation Characteristics

Dielectric Strength

Contact To Coil: 1250 VRMS
Across Open Contacts: 750 VRMS
Insulation Resistance: 100 megohms Min.

@ 500 VDC

Environmental Characteristics

Operating: −25°C to +95°C (1A Type)

Operating: −25°C to +85°C (2A Type)

Mechanical Life: 100,000,000 operations min

Weight

Std: 3.5 gram approx.

at nominal

coil voltage

32

NTE Electronics, Inc. D Voice (973) 748−5089 D FAX (973) 748−6224 D http://www.nteinc.com