Nichrome Resistor Networks

on Ceramic Substrates

Model 688 Series

www.bitechnologies.com www.irctt.com www.welwyn-tt.com

General Note

TT electronics reserves the right to make changes in product specification without notice or liability.

All information is subject to TT electronics’ own data and is considered accurate at time of going to print.

© TT electronics plc

10.13

Outline Dimensions (Inch/mm)

Applicable Documents

Note: Leads are within .005/0.13 of true position. Maximum allowable mold excursion = 0.006”

Schematics

MIL-R-83401 — Resistor Networks, Fixed, Film, General Specifications

MIL-STD-202 — Test Methods for Electronics and Electrical Component Parts

.413

10.5

Max.

.104

2.64

Max.

Seating

Plane

.300

7.62

.0165 ± .0025

0.419 ± 0.064

Typ.

.050

1.27

Typ.

Max.

16

8

1

9

.010

0.25

+.003

–.001

+0.08

–0.02

Typ.

.032 ± .008

0.81 ± 0.20

.405 ± .005

10.3 ± 0.13

.0085 ± .0035

0.216 ± 0.089

0˚ To 8˚

1

16

688B - Bussed Resistors

1

16

688A - Isolated Resistors

OBSOLETE