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© IRC Advanced Film Division

Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com

IRC Advanced Film Division

Ordering Data

DIP and SIP Networks

4700HT SIP Series

# OF

LEADS

DIM A

6

0.580" ± 0.015

8

0.780" ± 0.015

Environmental Data

Environmental Test

MIL-PRF-55342

Performance

Typical

Maximum

Thermal Shock

±0.02%

±0.10%

Short Time Overload

±0.02%

±0.05%

High Temperature Exposure

±0.03%

±0.10%

Effects of Solder

±0.01%

±0.10%

Moisture Resistance

±0.03%

±0.10%

Life

(1000 hours, 200°C, no load)

±0.08%

±1.0%

Life

(1000 hours, 150°C, rated power)

±0.02%

±0.05%

Power Derating Curve

50

150

200

100

50

10

100

Temperature in °C

Package Prefix

DIP = 1900HT Series; SIP = 4700HT SIP Series

Model

1987HT = 14-pin DIP bussed schematic B

1989HT = 14-pin DIP isolated schematic A

1998HT = 16-pin DIP bussed schematic B

1999HT = 16-pin DIP isolated schematic A

4761HT = 6-pin SIP bussed schematic C

4769HT = 6-pin SIP isolated schematic G

4781HT = 8-pin SIP bussed schematic C

4789HT = 8-pin SIP isolated schematic G

Physical Data (continued)

LEAD MATERIAL:

PLATED 30-50 µIN. NICKEL

25µIN MINIMUM GOLD

Pin 1 Indicator

0.187

″ ± 0.010

A

0.130

″ + 0.008/-0.010

0.020

″ ± 0.003

0.100

″ ± 0.005

0.135

″+ 0.015/-0.010

0.015

″ Min

Clean Lead

Above Seating Plane

0.050

″ ± 0.003

0.045

″ ± 0.015

0.070

″ ± 0.010

0.322

″ Ref

0.010

″ ± 0.001

0.026

″ ± 0.003

Schematic B

2

1

3 . . .

N-1

R

1

N

N-2 . . .

R

1

Schematic A

1

2

3 . . .

N-1

N

N-2 . . .

. . .

. . .

2

1

3

R

1

4

R

2

Schematic G

2

1

3

R

1

N

R

2

R

N-1

Schematic C

N-1

N

. . .

R

N-1

R

2

R

3

R

2

Schematic G

Schematic C

N = Number of pins

HT Series Issue November 2008 Sheet 3 of 3

SIP - 4789HT - 03 - 1001 F B

Optional Ratio Tolerance to R

1

F=±1.0%; D=±0.5%; C=±0.25%;

B = ±0.1%; A = ±0.05%

Absolute Tolerance

Standard MIL tolerance code

J = ±5%; G = ±2%; F=±1.0%; D=±0.5%; C = ±0.25%; B = ±0.1%

Resistance

Standard MIL resistance code.

Example: 1001 = 1000 Ω; 50R0 = 50Ω

Absolute TCR

01 = ±100ppm/°C; 02 = ±50ppm/°C; 03 = ±25ppm/°C