Keystone Electronics Catalog K75 2025

SNAP-ON LEAF CONTACTS

• Economical and reliable contacts are ideal for molded cases with self contained battery compartments • Solder “ear” to facilitate soldering of wire lead

• Unique spring tension contact adjusts to variations in battery length • Reliable spring tension contacts assure low contact resistance

• Clips easily onto .060 (1.52) to .070 (1.78) wall • Sharp barbs securely anchor contact in place

Operating Temperature: -50°F TO 185°F (-45°C TO 85°C)

Refer to page 42 for Battery Contact Layout & Mounting Details

“AAAA” • “AAA” • “N” • “A23” • “A27”

.195 [5.0] REF.

.047 [1.19]

.234 [5.9]

.250 [6.4]

.062 [1.57]

.180 [4.6]

.281 [7.1] REF.

.338 [8.6]

.322 [8.2]

.187 [4.8]

.358 [9.1]

.125 [3.2] DIA.

.187 [4.8] DIA.

.011 [.29]

.109 [2.8]

CAT. NO. 204

CAT. NO. 238

MATERIAL : . 010 (.25) Spring Steel, Nickel Plate

MATERIAL : . 010 (.25) Stainless Steel, Nickel Plate

“AAA”

.410 [10.4] .660 [16.8]

.410 [10.4] .660 [16.8]

.187 [4.8] REF.

.180 [4.6]

.302 [7.7]

.338 [8.6]

.341 [8.7]

.358 [9.1]

.358 [9.1]

.187 [4.76] DIA.

.021 [.53]

.300 [7.6]

.125 [3.18] DIA.

.250 [6.4] TYP.

CAT. NO. 202

CAT. NO. 294

MATERIAL : . 010 (.25) Stainless Steel, Nickel Plate

MATERIAL : . 010 (.25) Spring Steel, Nickel Plate

.021 [.53] .187 [4.8] REF.

.187 [4.8] REF.

.410 [10.4] .660 [16.8]

.410 [10.4] .660 [16.8]

.021 [.53]

.180 [4.6]

.180 [4.6]

.341 [8.7]

.341 [8.7]

.358 [9.1]

.358 [9.1]

.250 [6.4] TYP.

.250 [6.4] TYP.

CAT. NO. 295

CAT. NO. 296

MATERIAL : . 010 (.25) Spring Steel, Nickel Plate

MATERIAL : . 010 (.25) Spring Steel, Nickel Plate

“AA” • “CR2” • “A” • “17500” • “18350” • “18650”

.254 [6.5] REF.

.312 [7.9]

.312 [7.9]

.062 [1.57]

.062 [1.6]

.240 [6.1]

.375 [9.5] REF

.450 [11.4]

.476 [12.1]

.250 [6.4]

.025 [0.6]

.175 [4.4] DIA.

CAT. NO. 209

CAT. NO. 228

MATERIAL: 012 (.30) Spring Steel, Nickel Plate

MATERIAL: 010 (.25) Stainless Steel, Nickel Plate

“AA”

The (2) two leaf contacts are separate, allowing a divider between the batteries.

.820 [20.8] .570 [14.5]

.820 [20.8]

.254 [6.5] REF.

.250 [6.3]

.250 [6.3]

.240 [6.1]

.375 [9.5] REF.

.055 [1.4]

.450 [11.4]

.370 [9.4]

.461 [11.7]

.256 [6.5]

.150 [3.8] DIA.

.035 [.89]

.570 [14.5]

CAT. NO. 288

CAT. NO. 292

MATERIAL: 012 (.30) Spring Steel, Nickel Plate

MATERIAL: 010 (.25) Stainless Steel, Nickel Plate

The (2) two leaf contacts are held together by a web. This design offers greater stability .

BATTERY CONTACTS FOR MOLDED CASES .250 [6.4] REF.

.820 [20.8]

.250 [6.3]

.250 [6.3]

.820 [20.8]

.254 [6.5] REF.

.027 [0.7]

.250 [6.3]

.250 [6.3]

.055 [1.4]

.240 [6.1]

.449 [11.4]

.256 [6.5]

.461 [11.7]

.256 [6.5]

.175 [4.4] DIA.

.570 [14.5]

CAT. NO. 291 Right

.570 [14.5]

CAT. NO. 210

CAT. NO. 290 Left (shown)

MATERIAL: 012 (.30) Spring Steel, Nickel Plate

MATERIAL: . 012 (.30) Spring Steel, Nickel Plate

20

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