Keystone Electronics Catalog K75 2025

SPRING & BUTTON CONTACTS

• Economical and reliable contacts are ideal for molded cases with self-contained battery compartments • “Solder Tab” design for either wire lead or PC mounting • Unique spring contacts adjust to variations in battery lengths • Reliable spring contacts assure low contact resistance and a dependable connection • Space saving, economical, excellent mechanical construction

MATERIAL: Plate: .020 (.51) Steel, Nickel Plate Spring: Spring Steel, Nickel Plate

Refer to page 42 for Battery Contact Layout & Mounting Details

BATTERY CONTACTS FOR MOLDED CASES

“AAA” • “AAAA” • “N” • “A23” • “A27”

(+) POSITIVE BUTTON

(-) NEGATIVE SPRING

DUAL CONTACT (RIGHT)

.827 [21.0] .453 [11.5]

.295 [7.5]

.315 [8.0]

.295 [7.5]

.315 [8.0]

.043 [1.09]

.043 [1.09]

.049 [1.24] DIA.

.049 [1.24] DIA.

.433 [11.0]

.157 [4.0]

.295 [7.5]

.276 [7.01]

.157 [4.0]

.315 [8.0]

.315 [8.0]

.125 [3.2]

.059 [1.50]

.055 [1.40]

.177 [4.5] (2) PLS

.055 [1.40]

.070 [1.78]

.055 [1.40] DIA. DIMPLE

.055 [1.40] DIA. DIMPLE

.378 [9.6] (2) PLS

CAT. NO. 5213

CAT. NO. 5203

CAT. NO. 5225

DUAL CONTACT (LEFT)

(-) NEGATIVE SPRING WITH TAB

(+) POSITIVE BUTTON WITH TAB

.362 [9.2]

.453 [11.5] .827 [21.0]

.334 [8.5]

.295 [7.5]

.362 [9.2]

.197 [5.0]

.409 [10.4]

.217 [5.5]

.409 [10.4]

.669 [17.0]

.217 [5.5]

.433 [11.0]

.669 [17.0]

.295 [7.5]

.276 [7.0]

.032 [0.81]

.051 [1.30] DIA. .062 [1.57] DIA.

.032 [0.81]

.062 [1.57] DIA. .051 [1.30] DIA.

.059 [1.50]

.059 [1.50]

.177 [4.5] (2) PLS

.118 [3.0]

.059 [1.50]

.070 [1.78]

.118 [3.0]

.378 [9.6] (2) PLS

CAT. NO. 5226

CAT. NO. 5204

CAT. NO. 5214

DUAL CONTACT (LEFT)

(-) NEGATIVE SPRING WITH TAB

DUAL CONTACT (RIGHT)

. 362 [9 . 2]

. 409 [10 . 4]

. 453 [11 . 5]

. 080 [2 . 0] I . D .

. 453 [11 . 5]

. 300 [7 . 6]

. 669 [17 . 0]

. 250 [6 . 4] REF . O . D .

. 250 [6 . 4] REF . O . D .

. 433 [11 . 0]

. 433 [11 . 0]

. 051 [1 . 3] DIA . HOLE

. 276 [7 . 0]

. 080 [2 . 0] I . D .

. 118 [3 . 0]

. 376 [9 . 6] (2) PLS

. 376 [9 . 6] (2) PLS

CAT. NO. 5234

CAT. NO. 5254

CAT. NO. 5259

“AA”

DUAL BUTTON CONTACT

DUAL SPRING CONTACT

.970 [24.6] .551 [14.0]

.551 [14.0] .970 [24.6]

.414 [10.5]

.500 [12.7]

.280 [7.1]

.500 [12.7]

.250 [6.4]

.250 [6.4]

.098 [2.5] DIA. (2) PLS

.140 [3.6]

.098 [2.5] DIA.

.100 [2.5] (2) PLS

CAT. NO. 5227

CAT. NO. 5228

17

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