MH88612BV-4K View Datasheet(PDF) - Mitel Networks

Part Name

Description

View to exact match

MH88612BV-4K

Subscriber Line Interface Circuit (SLIC)

Mitel Networks 

MH88612BV-K

Advance Information

R1

~ 90 VRMS

- 48V

+

K1

VBAT

D4

D3

D2

D1

TIP

11 RF

MH88612BV-K

1 TF

15 RV

LPGND

2

3

VR

8

VX

9

TIP

Protection

Circuit

SHK 20

RING

+5V

C2

10 RING

13

RC

16

VRLY

14

K1

RD

17 CD

PD 7

19 C1

CAP

-+

R2

C4

VBAT VCC VEE AGND

18 12 5

6

C3

-48V +5V -5V

Q1

R3 RC

(Pin 13)

R4

Component List

= earth = ground

R1

200Ω + 10%, 1/4W

R2

470kΩ + 5%, 1/4W

R3, R4

10kΩ + 5%, 1/4W

C1

1.0µF, + 10%, 25V electrolytic capacitor

C2, C3

0.1µF, + 20%, 50V ceramic de-coupling capacitors

D1,D2, D3, D4 Diode rectifier 200V, 1A, IN4003

Q1

General purpose switching transistor

K1

Relay E/M, 5V or 6V, 1 Form C

C4

10nF - 56nF 20% 16V capacitor

Protection Circuit - Depending on the application the Protection circuit may need to provide

over-voltage and/or over-current protection. In certain circumstances no protection will be required.

Figure 3 - Typical Application Circuit

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4

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